.
/**
* This file contains the definition for the class assignment
*
* This class provides all the functionality for the new assign module.
*
* @package mod_assign
* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
// Assignment submission statuses.
define('ASSIGN_SUBMISSION_STATUS_NEW', 'new');
define('ASSIGN_SUBMISSION_STATUS_REOPENED', 'reopened');
define('ASSIGN_SUBMISSION_STATUS_DRAFT', 'draft');
define('ASSIGN_SUBMISSION_STATUS_SUBMITTED', 'submitted');
// Search filters for grading page.
define('ASSIGN_FILTER_SUBMITTED', 'submitted');
define('ASSIGN_FILTER_NOT_SUBMITTED', 'notsubmitted');
define('ASSIGN_FILTER_SINGLE_USER', 'singleuser');
define('ASSIGN_FILTER_REQUIRE_GRADING', 'require_grading');
// Marker filter for grading page.
define('ASSIGN_MARKER_FILTER_NO_MARKER', -1);
// Reopen attempt methods.
define('ASSIGN_ATTEMPT_REOPEN_METHOD_NONE', 'none');
define('ASSIGN_ATTEMPT_REOPEN_METHOD_MANUAL', 'manual');
define('ASSIGN_ATTEMPT_REOPEN_METHOD_UNTILPASS', 'untilpass');
// Special value means allow unlimited attempts.
define('ASSIGN_UNLIMITED_ATTEMPTS', -1);
// Marking workflow states.
define('ASSIGN_MARKING_WORKFLOW_STATE_NOTMARKED', 'notmarked');
define('ASSIGN_MARKING_WORKFLOW_STATE_INMARKING', 'inmarking');
define('ASSIGN_MARKING_WORKFLOW_STATE_READYFORREVIEW', 'readyforreview');
define('ASSIGN_MARKING_WORKFLOW_STATE_INREVIEW', 'inreview');
define('ASSIGN_MARKING_WORKFLOW_STATE_READYFORRELEASE', 'readyforrelease');
define('ASSIGN_MARKING_WORKFLOW_STATE_RELEASED', 'released');
// Name of file area for intro attachments.
define('ASSIGN_INTROATTACHMENT_FILEAREA', 'introattachment');
require_once($CFG->libdir . '/accesslib.php');
require_once($CFG->libdir . '/formslib.php');
require_once($CFG->dirroot . '/repository/lib.php');
require_once($CFG->dirroot . '/mod/assign/mod_form.php');
require_once($CFG->libdir . '/gradelib.php');
require_once($CFG->dirroot . '/grade/grading/lib.php');
require_once($CFG->dirroot . '/mod/assign/feedbackplugin.php');
require_once($CFG->dirroot . '/mod/assign/submissionplugin.php');
require_once($CFG->dirroot . '/mod/assign/renderable.php');
require_once($CFG->dirroot . '/mod/assign/gradingtable.php');
require_once($CFG->libdir . '/eventslib.php');
require_once($CFG->libdir . '/portfolio/caller.php');
/**
* Standard base class for mod_assign (assignment types).
*
* @package mod_assign
* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class assign {
/** @var stdClass the assignment record that contains the global settings for this assign instance */
private $instance;
/** @var stdClass the grade_item record for this assign instance's primary grade item. */
private $gradeitem;
/** @var context the context of the course module for this assign instance
* (or just the course if we are creating a new one)
*/
private $context;
/** @var stdClass the course this assign instance belongs to */
private $course;
/** @var stdClass the admin config for all assign instances */
private $adminconfig;
/** @var assign_renderer the custom renderer for this module */
private $output;
/** @var cm_info the course module for this assign instance */
private $coursemodule;
/** @var array cache for things like the coursemodule name or the scale menu -
* only lives for a single request.
*/
private $cache;
/** @var array list of the installed submission plugins */
private $submissionplugins;
/** @var array list of the installed feedback plugins */
private $feedbackplugins;
/** @var string action to be used to return to this page
* (without repeating any form submissions etc).
*/
private $returnaction = 'view';
/** @var array params to be used to return to this page */
private $returnparams = array();
/** @var string modulename prevents excessive calls to get_string */
private static $modulename = null;
/** @var string modulenameplural prevents excessive calls to get_string */
private static $modulenameplural = null;
/** @var array of marking workflow states for the current user */
private $markingworkflowstates = null;
/** @var bool whether to exclude users with inactive enrolment */
private $showonlyactiveenrol = null;
/** @var array cached list of participants for this assignment. The cache key will be group, showactive and the context id */
private $participants = array();
/**
* Constructor for the base assign class.
*
* Note: For $coursemodule you can supply a stdclass if you like, but it
* will be more efficient to supply a cm_info object.
*
* @param mixed $coursemodulecontext context|null the course module context
* (or the course context if the coursemodule has not been
* created yet).
* @param mixed $coursemodule the current course module if it was already loaded,
* otherwise this class will load one from the context as required.
* @param mixed $course the current course if it was already loaded,
* otherwise this class will load one from the context as required.
*/
public function __construct($coursemodulecontext, $coursemodule, $course) {
$this->context = $coursemodulecontext;
$this->course = $course;
// Ensure that $this->coursemodule is a cm_info object (or null).
$this->coursemodule = cm_info::create($coursemodule);
// Temporary cache only lives for a single request - used to reduce db lookups.
$this->cache = array();
$this->submissionplugins = $this->load_plugins('assignsubmission');
$this->feedbackplugins = $this->load_plugins('assignfeedback');
}
/**
* Set the action and parameters that can be used to return to the current page.
*
* @param string $action The action for the current page
* @param array $params An array of name value pairs which form the parameters
* to return to the current page.
* @return void
*/
public function register_return_link($action, $params) {
global $PAGE;
$params['action'] = $action;
$currenturl = $PAGE->url;
$currenturl->params($params);
$PAGE->set_url($currenturl);
}
/**
* Return an action that can be used to get back to the current page.
*
* @return string action
*/
public function get_return_action() {
global $PAGE;
$params = $PAGE->url->params();
if (!empty($params['action'])) {
return $params['action'];
}
return '';
}
/**
* Based on the current assignment settings should we display the intro.
*
* @return bool showintro
*/
public function show_intro() {
if ($this->get_instance()->alwaysshowdescription ||
time() > $this->get_instance()->allowsubmissionsfromdate) {
return true;
}
return false;
}
/**
* Return a list of parameters that can be used to get back to the current page.
*
* @return array params
*/
public function get_return_params() {
global $PAGE;
$params = $PAGE->url->params();
unset($params['id']);
unset($params['action']);
return $params;
}
/**
* Set the submitted form data.
*
* @param stdClass $data The form data (instance)
*/
public function set_instance(stdClass $data) {
$this->instance = $data;
}
/**
* Set the context.
*
* @param context $context The new context
*/
public function set_context(context $context) {
$this->context = $context;
}
/**
* Set the course data.
*
* @param stdClass $course The course data
*/
public function set_course(stdClass $course) {
$this->course = $course;
}
/**
* Get list of feedback plugins installed.
*
* @return array
*/
public function get_feedback_plugins() {
return $this->feedbackplugins;
}
/**
* Get list of submission plugins installed.
*
* @return array
*/
public function get_submission_plugins() {
return $this->submissionplugins;
}
/**
* Is blind marking enabled and reveal identities not set yet?
*
* @return bool
*/
public function is_blind_marking() {
return $this->get_instance()->blindmarking && !$this->get_instance()->revealidentities;
}
/**
* Does an assignment have submission(s) or grade(s) already?
*
* @return bool
*/
public function has_submissions_or_grades() {
$allgrades = $this->count_grades();
$allsubmissions = $this->count_submissions();
if (($allgrades == 0) && ($allsubmissions == 0)) {
return false;
}
return true;
}
/**
* Get a specific submission plugin by its type.
*
* @param string $subtype assignsubmission | assignfeedback
* @param string $type
* @return mixed assign_plugin|null
*/
public function get_plugin_by_type($subtype, $type) {
$shortsubtype = substr($subtype, strlen('assign'));
$name = $shortsubtype . 'plugins';
if ($name != 'feedbackplugins' && $name != 'submissionplugins') {
return null;
}
$pluginlist = $this->$name;
foreach ($pluginlist as $plugin) {
if ($plugin->get_type() == $type) {
return $plugin;
}
}
return null;
}
/**
* Get a feedback plugin by type.
*
* @param string $type - The type of plugin e.g comments
* @return mixed assign_feedback_plugin|null
*/
public function get_feedback_plugin_by_type($type) {
return $this->get_plugin_by_type('assignfeedback', $type);
}
/**
* Get a submission plugin by type.
*
* @param string $type - The type of plugin e.g comments
* @return mixed assign_submission_plugin|null
*/
public function get_submission_plugin_by_type($type) {
return $this->get_plugin_by_type('assignsubmission', $type);
}
/**
* Load the plugins from the sub folders under subtype.
*
* @param string $subtype - either submission or feedback
* @return array - The sorted list of plugins
*/
protected function load_plugins($subtype) {
global $CFG;
$result = array();
$names = core_component::get_plugin_list($subtype);
foreach ($names as $name => $path) {
if (file_exists($path . '/locallib.php')) {
require_once($path . '/locallib.php');
$shortsubtype = substr($subtype, strlen('assign'));
$pluginclass = 'assign_' . $shortsubtype . '_' . $name;
$plugin = new $pluginclass($this, $name);
if ($plugin instanceof assign_plugin) {
$idx = $plugin->get_sort_order();
while (array_key_exists($idx, $result)) {
$idx +=1;
}
$result[$idx] = $plugin;
}
}
}
ksort($result);
return $result;
}
/**
* Display the assignment, used by view.php
*
* The assignment is displayed differently depending on your role,
* the settings for the assignment and the status of the assignment.
*
* @param string $action The current action if any.
* @return string - The page output.
*/
public function view($action='') {
$o = '';
$mform = null;
$notices = array();
$nextpageparams = array();
if (!empty($this->get_course_module()->id)) {
$nextpageparams['id'] = $this->get_course_module()->id;
}
// Handle form submissions first.
if ($action == 'savesubmission') {
$action = 'editsubmission';
if ($this->process_save_submission($mform, $notices)) {
$action = 'redirect';
$nextpageparams['action'] = 'view';
}
} else if ($action == 'editprevioussubmission') {
$action = 'editsubmission';
if ($this->process_copy_previous_attempt($notices)) {
$action = 'redirect';
$nextpageparams['action'] = 'editsubmission';
}
} else if ($action == 'lock') {
$this->process_lock_submission();
$action = 'redirect';
$nextpageparams['action'] = 'grading';
} else if ($action == 'addattempt') {
$this->process_add_attempt(required_param('userid', PARAM_INT));
$action = 'redirect';
$nextpageparams['action'] = 'grading';
} else if ($action == 'reverttodraft') {
$this->process_revert_to_draft();
$action = 'redirect';
$nextpageparams['action'] = 'grading';
} else if ($action == 'unlock') {
$this->process_unlock_submission();
$action = 'redirect';
$nextpageparams['action'] = 'grading';
} else if ($action == 'setbatchmarkingworkflowstate') {
$this->process_set_batch_marking_workflow_state();
$action = 'redirect';
$nextpageparams['action'] = 'grading';
} else if ($action == 'setbatchmarkingallocation') {
$this->process_set_batch_marking_allocation();
$action = 'redirect';
$nextpageparams['action'] = 'grading';
} else if ($action == 'confirmsubmit') {
$action = 'submit';
if ($this->process_submit_for_grading($mform, $notices)) {
$action = 'redirect';
$nextpageparams['action'] = 'view';
} else if ($notices) {
$action = 'viewsubmitforgradingerror';
}
} else if ($action == 'submitotherforgrading') {
if ($this->process_submit_other_for_grading($mform, $notices)) {
$action = 'redirect';
$nextpageparams['action'] = 'grading';
} else {
$action = 'viewsubmitforgradingerror';
}
} else if ($action == 'gradingbatchoperation') {
$action = $this->process_grading_batch_operation($mform);
if ($action == 'grading') {
$action = 'redirect';
$nextpageparams['action'] = 'grading';
}
} else if ($action == 'submitgrade') {
if (optional_param('saveandshownext', null, PARAM_RAW)) {
// Save and show next.
$action = 'grade';
if ($this->process_save_grade($mform)) {
$action = 'redirect';
$nextpageparams['action'] = 'grade';
$nextpageparams['rownum'] = optional_param('rownum', 0, PARAM_INT) + 1;
$nextpageparams['useridlistid'] = optional_param('useridlistid', time(), PARAM_INT);
}
} else if (optional_param('nosaveandprevious', null, PARAM_RAW)) {
$action = 'redirect';
$nextpageparams['action'] = 'grade';
$nextpageparams['rownum'] = optional_param('rownum', 0, PARAM_INT) - 1;
$nextpageparams['useridlistid'] = optional_param('useridlistid', time(), PARAM_INT);
} else if (optional_param('nosaveandnext', null, PARAM_RAW)) {
$action = 'redirect';
$nextpageparams['action'] = 'grade';
$nextpageparams['rownum'] = optional_param('rownum', 0, PARAM_INT) + 1;
$nextpageparams['useridlistid'] = optional_param('useridlistid', time(), PARAM_INT);
} else if (optional_param('savegrade', null, PARAM_RAW)) {
// Save changes button.
$action = 'grade';
if ($this->process_save_grade($mform)) {
$action = 'redirect';
$nextpageparams['action'] = 'savegradingresult';
}
} else {
// Cancel button.
$action = 'redirect';
$nextpageparams['action'] = 'grading';
}
} else if ($action == 'quickgrade') {
$message = $this->process_save_quick_grades();
$action = 'quickgradingresult';
} else if ($action == 'saveoptions') {
$this->process_save_grading_options();
$action = 'redirect';
$nextpageparams['action'] = 'grading';
} else if ($action == 'saveextension') {
$action = 'grantextension';
if ($this->process_save_extension($mform)) {
$action = 'redirect';
$nextpageparams['action'] = 'grading';
}
} else if ($action == 'revealidentitiesconfirm') {
$this->process_reveal_identities();
$action = 'redirect';
$nextpageparams['action'] = 'grading';
}
$returnparams = array('rownum'=>optional_param('rownum', 0, PARAM_INT),
'useridlistid'=>optional_param('useridlistid', 0, PARAM_INT));
$this->register_return_link($action, $returnparams);
// Now show the right view page.
if ($action == 'redirect') {
$nextpageurl = new moodle_url('/mod/assign/view.php', $nextpageparams);
redirect($nextpageurl);
return;
} else if ($action == 'savegradingresult') {
$message = get_string('gradingchangessaved', 'assign');
$o .= $this->view_savegrading_result($message);
} else if ($action == 'quickgradingresult') {
$mform = null;
$o .= $this->view_quickgrading_result($message);
} else if ($action == 'grade') {
$o .= $this->view_single_grade_page($mform);
} else if ($action == 'viewpluginassignfeedback') {
$o .= $this->view_plugin_content('assignfeedback');
} else if ($action == 'viewpluginassignsubmission') {
$o .= $this->view_plugin_content('assignsubmission');
} else if ($action == 'editsubmission') {
$o .= $this->view_edit_submission_page($mform, $notices);
} else if ($action == 'grading') {
$o .= $this->view_grading_page();
} else if ($action == 'downloadall') {
$o .= $this->download_submissions();
} else if ($action == 'submit') {
$o .= $this->check_submit_for_grading($mform);
} else if ($action == 'grantextension') {
$o .= $this->view_grant_extension($mform);
} else if ($action == 'revealidentities') {
$o .= $this->view_reveal_identities_confirm($mform);
} else if ($action == 'plugingradingbatchoperation') {
$o .= $this->view_plugin_grading_batch_operation($mform);
} else if ($action == 'viewpluginpage') {
$o .= $this->view_plugin_page();
} else if ($action == 'viewcourseindex') {
$o .= $this->view_course_index();
} else if ($action == 'viewbatchsetmarkingworkflowstate') {
$o .= $this->view_batch_set_workflow_state($mform);
} else if ($action == 'viewbatchmarkingallocation') {
$o .= $this->view_batch_markingallocation($mform);
} else if ($action == 'viewsubmitforgradingerror') {
$o .= $this->view_error_page(get_string('submitforgrading', 'assign'), $notices);
} else {
$o .= $this->view_submission_page();
}
return $o;
}
/**
* Add this instance to the database.
*
* @param stdClass $formdata The data submitted from the form
* @param bool $callplugins This is used to skip the plugin code
* when upgrading an old assignment to a new one (the plugins get called manually)
* @return mixed false if an error occurs or the int id of the new instance
*/
public function add_instance(stdClass $formdata, $callplugins) {
global $DB;
$adminconfig = $this->get_admin_config();
$err = '';
// Add the database record.
$update = new stdClass();
$update->name = $formdata->name;
$update->timemodified = time();
$update->timecreated = time();
$update->course = $formdata->course;
$update->courseid = $formdata->course;
$update->intro = $formdata->intro;
$update->introformat = $formdata->introformat;
$update->alwaysshowdescription = !empty($formdata->alwaysshowdescription);
$update->submissiondrafts = $formdata->submissiondrafts;
$update->requiresubmissionstatement = $formdata->requiresubmissionstatement;
$update->sendnotifications = $formdata->sendnotifications;
$update->sendlatenotifications = $formdata->sendlatenotifications;
$update->sendstudentnotifications = $adminconfig->sendstudentnotifications;
if (isset($formdata->sendstudentnotifications)) {
$update->sendstudentnotifications = $formdata->sendstudentnotifications;
}
$update->duedate = $formdata->duedate;
$update->cutoffdate = $formdata->cutoffdate;
$update->allowsubmissionsfromdate = $formdata->allowsubmissionsfromdate;
$update->grade = $formdata->grade;
$update->completionsubmit = !empty($formdata->completionsubmit);
$update->teamsubmission = $formdata->teamsubmission;
$update->requireallteammemberssubmit = $formdata->requireallteammemberssubmit;
if (isset($formdata->teamsubmissiongroupingid)) {
$update->teamsubmissiongroupingid = $formdata->teamsubmissiongroupingid;
}
$update->blindmarking = $formdata->blindmarking;
$update->attemptreopenmethod = ASSIGN_ATTEMPT_REOPEN_METHOD_NONE;
if (!empty($formdata->attemptreopenmethod)) {
$update->attemptreopenmethod = $formdata->attemptreopenmethod;
}
if (!empty($formdata->maxattempts)) {
$update->maxattempts = $formdata->maxattempts;
}
$update->markingworkflow = $formdata->markingworkflow;
$update->markingallocation = $formdata->markingallocation;
if (empty($update->markingworkflow)) { // If marking workflow is disabled, make sure allocation is disabled.
$update->markingallocation = 0;
}
$returnid = $DB->insert_record('assign', $update);
$this->instance = $DB->get_record('assign', array('id'=>$returnid), '*', MUST_EXIST);
// Cache the course record.
$this->course = $DB->get_record('course', array('id'=>$formdata->course), '*', MUST_EXIST);
$this->save_intro_draft_files($formdata);
if ($callplugins) {
// Call save_settings hook for submission plugins.
foreach ($this->submissionplugins as $plugin) {
if (!$this->update_plugin_instance($plugin, $formdata)) {
print_error($plugin->get_error());
return false;
}
}
foreach ($this->feedbackplugins as $plugin) {
if (!$this->update_plugin_instance($plugin, $formdata)) {
print_error($plugin->get_error());
return false;
}
}
// In the case of upgrades the coursemodule has not been set,
// so we need to wait before calling these two.
$this->update_calendar($formdata->coursemodule);
$this->update_gradebook(false, $formdata->coursemodule);
}
$update = new stdClass();
$update->id = $this->get_instance()->id;
$update->nosubmissions = (!$this->is_any_submission_plugin_enabled()) ? 1: 0;
$DB->update_record('assign', $update);
return $returnid;
}
/**
* Delete all grades from the gradebook for this assignment.
*
* @return bool
*/
protected function delete_grades() {
global $CFG;
$result = grade_update('mod/assign',
$this->get_course()->id,
'mod',
'assign',
$this->get_instance()->id,
0,
null,
array('deleted'=>1));
return $result == GRADE_UPDATE_OK;
}
/**
* Delete this instance from the database.
*
* @return bool false if an error occurs
*/
public function delete_instance() {
global $DB;
$result = true;
foreach ($this->submissionplugins as $plugin) {
if (!$plugin->delete_instance()) {
print_error($plugin->get_error());
$result = false;
}
}
foreach ($this->feedbackplugins as $plugin) {
if (!$plugin->delete_instance()) {
print_error($plugin->get_error());
$result = false;
}
}
// Delete files associated with this assignment.
$fs = get_file_storage();
if (! $fs->delete_area_files($this->context->id) ) {
$result = false;
}
// Delete_records will throw an exception if it fails - so no need for error checking here.
$DB->delete_records('assign_submission', array('assignment'=>$this->get_instance()->id));
$DB->delete_records('assign_grades', array('assignment'=>$this->get_instance()->id));
$DB->delete_records('assign_plugin_config', array('assignment'=>$this->get_instance()->id));
// Delete items from the gradebook.
if (! $this->delete_grades()) {
$result = false;
}
// Delete the instance.
$DB->delete_records('assign', array('id'=>$this->get_instance()->id));
return $result;
}
/**
* Actual implementation of the reset course functionality, delete all the
* assignment submissions for course $data->courseid.
*
* @param stdClass $data the data submitted from the reset course.
* @return array status array
*/
public function reset_userdata($data) {
global $CFG, $DB;
$componentstr = get_string('modulenameplural', 'assign');
$status = array();
$fs = get_file_storage();
if (!empty($data->reset_assign_submissions)) {
// Delete files associated with this assignment.
foreach ($this->submissionplugins as $plugin) {
$fileareas = array();
$plugincomponent = $plugin->get_subtype() . '_' . $plugin->get_type();
$fileareas = $plugin->get_file_areas();
foreach ($fileareas as $filearea => $notused) {
$fs->delete_area_files($this->context->id, $plugincomponent, $filearea);
}
if (!$plugin->delete_instance()) {
$status[] = array('component'=>$componentstr,
'item'=>get_string('deleteallsubmissions', 'assign'),
'error'=>$plugin->get_error());
}
}
foreach ($this->feedbackplugins as $plugin) {
$fileareas = array();
$plugincomponent = $plugin->get_subtype() . '_' . $plugin->get_type();
$fileareas = $plugin->get_file_areas();
foreach ($fileareas as $filearea => $notused) {
$fs->delete_area_files($this->context->id, $plugincomponent, $filearea);
}
if (!$plugin->delete_instance()) {
$status[] = array('component'=>$componentstr,
'item'=>get_string('deleteallsubmissions', 'assign'),
'error'=>$plugin->get_error());
}
}
$assignssql = 'SELECT a.id
FROM {assign} a
WHERE a.course=:course';
$params = array('course'=>$data->courseid);
$DB->delete_records_select('assign_submission', "assignment IN ($assignssql)", $params);
$status[] = array('component'=>$componentstr,
'item'=>get_string('deleteallsubmissions', 'assign'),
'error'=>false);
if (!empty($data->reset_gradebook_grades)) {
$DB->delete_records_select('assign_grades', "assignment IN ($assignssql)", $params);
// Remove all grades from gradebook.
require_once($CFG->dirroot.'/mod/assign/lib.php');
assign_reset_gradebook($data->courseid);
// Reset revealidentities if both submissions and grades have been reset.
if ($this->get_instance()->blindmarking && $this->get_instance()->revealidentities) {
$DB->set_field('assign', 'revealidentities', 0, array('id' => $this->get_instance()->id));
}
}
}
// Updating dates - shift may be negative too.
if ($data->timeshift) {
shift_course_mod_dates('assign',
array('duedate', 'allowsubmissionsfromdate', 'cutoffdate'),
$data->timeshift,
$data->courseid, $this->get_instance()->id);
$status[] = array('component'=>$componentstr,
'item'=>get_string('datechanged'),
'error'=>false);
}
return $status;
}
/**
* Update the settings for a single plugin.
*
* @param assign_plugin $plugin The plugin to update
* @param stdClass $formdata The form data
* @return bool false if an error occurs
*/
protected function update_plugin_instance(assign_plugin $plugin, stdClass $formdata) {
if ($plugin->is_visible()) {
$enabledname = $plugin->get_subtype() . '_' . $plugin->get_type() . '_enabled';
if (!empty($formdata->$enabledname)) {
$plugin->enable();
if (!$plugin->save_settings($formdata)) {
print_error($plugin->get_error());
return false;
}
} else {
$plugin->disable();
}
}
return true;
}
/**
* Update the gradebook information for this assignment.
*
* @param bool $reset If true, will reset all grades in the gradbook for this assignment
* @param int $coursemoduleid This is required because it might not exist in the database yet
* @return bool
*/
public function update_gradebook($reset, $coursemoduleid) {
global $CFG;
require_once($CFG->dirroot.'/mod/assign/lib.php');
$assign = clone $this->get_instance();
$assign->cmidnumber = $coursemoduleid;
// Set assign gradebook feedback plugin status (enabled and visible).
$assign->gradefeedbackenabled = $this->is_gradebook_feedback_enabled();
$param = null;
if ($reset) {
$param = 'reset';
}
return assign_grade_item_update($assign, $param);
}
/**
* Load and cache the admin config for this module.
*
* @return stdClass the plugin config
*/
public function get_admin_config() {
if ($this->adminconfig) {
return $this->adminconfig;
}
$this->adminconfig = get_config('assign');
return $this->adminconfig;
}
/**
* Update the calendar entries for this assignment.
*
* @param int $coursemoduleid - Required to pass this in because it might
* not exist in the database yet.
* @return bool
*/
public function update_calendar($coursemoduleid) {
global $DB, $CFG;
require_once($CFG->dirroot.'/calendar/lib.php');
// Special case for add_instance as the coursemodule has not been set yet.
$instance = $this->get_instance();
if ($instance->duedate) {
$event = new stdClass();
$params = array('modulename'=>'assign', 'instance'=>$instance->id);
$event->id = $DB->get_field('event', 'id', $params);
$event->name = $instance->name;
$event->timestart = $instance->duedate;
// Convert the links to pluginfile. It is a bit hacky but at this stage the files
// might not have been saved in the module area yet.
$intro = $instance->intro;
if ($draftid = file_get_submitted_draft_itemid('introeditor')) {
$intro = file_rewrite_urls_to_pluginfile($intro, $draftid);
}
// We need to remove the links to files as the calendar is not ready
// to support module events with file areas.
$intro = strip_pluginfile_content($intro);
if ($this->show_intro()) {
$event->description = array(
'text' => $intro,
'format' => $instance->introformat
);
} else {
$event->description = array(
'text' => '',
'format' => $instance->introformat
);
}
if ($event->id) {
$calendarevent = calendar_event::load($event->id);
$calendarevent->update($event);
} else {
unset($event->id);
$event->courseid = $instance->course;
$event->groupid = 0;
$event->userid = 0;
$event->modulename = 'assign';
$event->instance = $instance->id;
$event->eventtype = 'due';
$event->timeduration = 0;
calendar_event::create($event);
}
} else {
$DB->delete_records('event', array('modulename'=>'assign', 'instance'=>$instance->id));
}
}
/**
* Update this instance in the database.
*
* @param stdClass $formdata - the data submitted from the form
* @return bool false if an error occurs
*/
public function update_instance($formdata) {
global $DB;
$adminconfig = $this->get_admin_config();
$update = new stdClass();
$update->id = $formdata->instance;
$update->name = $formdata->name;
$update->timemodified = time();
$update->course = $formdata->course;
$update->intro = $formdata->intro;
$update->introformat = $formdata->introformat;
$update->alwaysshowdescription = !empty($formdata->alwaysshowdescription);
$update->submissiondrafts = $formdata->submissiondrafts;
$update->requiresubmissionstatement = $formdata->requiresubmissionstatement;
$update->sendnotifications = $formdata->sendnotifications;
$update->sendlatenotifications = $formdata->sendlatenotifications;
$update->sendstudentnotifications = $adminconfig->sendstudentnotifications;
if (isset($formdata->sendstudentnotifications)) {
$update->sendstudentnotifications = $formdata->sendstudentnotifications;
}
$update->duedate = $formdata->duedate;
$update->cutoffdate = $formdata->cutoffdate;
$update->allowsubmissionsfromdate = $formdata->allowsubmissionsfromdate;
$update->grade = $formdata->grade;
if (!empty($formdata->completionunlocked)) {
$update->completionsubmit = !empty($formdata->completionsubmit);
}
$update->teamsubmission = $formdata->teamsubmission;
$update->requireallteammemberssubmit = $formdata->requireallteammemberssubmit;
if (isset($formdata->teamsubmissiongroupingid)) {
$update->teamsubmissiongroupingid = $formdata->teamsubmissiongroupingid;
}
$update->blindmarking = $formdata->blindmarking;
$update->attemptreopenmethod = ASSIGN_ATTEMPT_REOPEN_METHOD_NONE;
if (!empty($formdata->attemptreopenmethod)) {
$update->attemptreopenmethod = $formdata->attemptreopenmethod;
}
if (!empty($formdata->maxattempts)) {
$update->maxattempts = $formdata->maxattempts;
}
$update->markingworkflow = $formdata->markingworkflow;
$update->markingallocation = $formdata->markingallocation;
if (empty($update->markingworkflow)) { // If marking workflow is disabled, make sure allocation is disabled.
$update->markingallocation = 0;
}
$result = $DB->update_record('assign', $update);
$this->instance = $DB->get_record('assign', array('id'=>$update->id), '*', MUST_EXIST);
$this->save_intro_draft_files($formdata);
// Load the assignment so the plugins have access to it.
// Call save_settings hook for submission plugins.
foreach ($this->submissionplugins as $plugin) {
if (!$this->update_plugin_instance($plugin, $formdata)) {
print_error($plugin->get_error());
return false;
}
}
foreach ($this->feedbackplugins as $plugin) {
if (!$this->update_plugin_instance($plugin, $formdata)) {
print_error($plugin->get_error());
return false;
}
}
$this->update_calendar($this->get_course_module()->id);
$this->update_gradebook(false, $this->get_course_module()->id);
$update = new stdClass();
$update->id = $this->get_instance()->id;
$update->nosubmissions = (!$this->is_any_submission_plugin_enabled()) ? 1: 0;
$DB->update_record('assign', $update);
return $result;
}
/**
* Save the attachments in the draft areas.
*
* @param stdClass $formdata
*/
protected function save_intro_draft_files($formdata) {
if (isset($formdata->introattachments)) {
file_save_draft_area_files($formdata->introattachments, $this->get_context()->id,
'mod_assign', ASSIGN_INTROATTACHMENT_FILEAREA, 0);
}
}
/**
* Add elements in grading plugin form.
*
* @param mixed $grade stdClass|null
* @param MoodleQuickForm $mform
* @param stdClass $data
* @param int $userid - The userid we are grading
* @return void
*/
protected function add_plugin_grade_elements($grade, MoodleQuickForm $mform, stdClass $data, $userid) {
foreach ($this->feedbackplugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
$plugin->get_form_elements_for_user($grade, $mform, $data, $userid);
}
}
}
/**
* Add one plugins settings to edit plugin form.
*
* @param assign_plugin $plugin The plugin to add the settings from
* @param MoodleQuickForm $mform The form to add the configuration settings to.
* This form is modified directly (not returned).
* @param array $pluginsenabled A list of form elements to be added to a group.
* The new element is added to this array by this function.
* @return void
*/
protected function add_plugin_settings(assign_plugin $plugin, MoodleQuickForm $mform, & $pluginsenabled) {
global $CFG;
if ($plugin->is_visible() && !$plugin->is_configurable() && $plugin->is_enabled()) {
$name = $plugin->get_subtype() . '_' . $plugin->get_type() . '_enabled';
$pluginsenabled[] = $mform->createElement('hidden', $name, 1);
$mform->setType($name, PARAM_BOOL);
$plugin->get_settings($mform);
} else if ($plugin->is_visible() && $plugin->is_configurable()) {
$name = $plugin->get_subtype() . '_' . $plugin->get_type() . '_enabled';
$label = $plugin->get_name();
$label .= ' ' . $this->get_renderer()->help_icon('enabled', $plugin->get_subtype() . '_' . $plugin->get_type());
$pluginsenabled[] = $mform->createElement('checkbox', $name, '', $label);
$default = get_config($plugin->get_subtype() . '_' . $plugin->get_type(), 'default');
if ($plugin->get_config('enabled') !== false) {
$default = $plugin->is_enabled();
}
$mform->setDefault($plugin->get_subtype() . '_' . $plugin->get_type() . '_enabled', $default);
$plugin->get_settings($mform);
}
}
/**
* Add settings to edit plugin form.
*
* @param MoodleQuickForm $mform The form to add the configuration settings to.
* This form is modified directly (not returned).
* @return void
*/
public function add_all_plugin_settings(MoodleQuickForm $mform) {
$mform->addElement('header', 'submissiontypes', get_string('submissiontypes', 'assign'));
$submissionpluginsenabled = array();
$group = $mform->addGroup(array(), 'submissionplugins', get_string('submissiontypes', 'assign'), array(' '), false);
foreach ($this->submissionplugins as $plugin) {
$this->add_plugin_settings($plugin, $mform, $submissionpluginsenabled);
}
$group->setElements($submissionpluginsenabled);
$mform->addElement('header', 'feedbacktypes', get_string('feedbacktypes', 'assign'));
$feedbackpluginsenabled = array();
$group = $mform->addGroup(array(), 'feedbackplugins', get_string('feedbacktypes', 'assign'), array(' '), false);
foreach ($this->feedbackplugins as $plugin) {
$this->add_plugin_settings($plugin, $mform, $feedbackpluginsenabled);
}
$group->setElements($feedbackpluginsenabled);
$mform->setExpanded('submissiontypes');
}
/**
* Allow each plugin an opportunity to update the defaultvalues
* passed in to the settings form (needed to set up draft areas for
* editor and filemanager elements)
*
* @param array $defaultvalues
*/
public function plugin_data_preprocessing(&$defaultvalues) {
foreach ($this->submissionplugins as $plugin) {
if ($plugin->is_visible()) {
$plugin->data_preprocessing($defaultvalues);
}
}
foreach ($this->feedbackplugins as $plugin) {
if ($plugin->is_visible()) {
$plugin->data_preprocessing($defaultvalues);
}
}
}
/**
* Get the name of the current module.
*
* @return string the module name (Assignment)
*/
protected function get_module_name() {
if (isset(self::$modulename)) {
return self::$modulename;
}
self::$modulename = get_string('modulename', 'assign');
return self::$modulename;
}
/**
* Get the plural name of the current module.
*
* @return string the module name plural (Assignments)
*/
protected function get_module_name_plural() {
if (isset(self::$modulenameplural)) {
return self::$modulenameplural;
}
self::$modulenameplural = get_string('modulenameplural', 'assign');
return self::$modulenameplural;
}
/**
* Has this assignment been constructed from an instance?
*
* @return bool
*/
public function has_instance() {
return $this->instance || $this->get_course_module();
}
/**
* Get the settings for the current instance of this assignment
*
* @return stdClass The settings
*/
public function get_instance() {
global $DB;
if ($this->instance) {
return $this->instance;
}
if ($this->get_course_module()) {
$params = array('id' => $this->get_course_module()->instance);
$this->instance = $DB->get_record('assign', $params, '*', MUST_EXIST);
}
if (!$this->instance) {
throw new coding_exception('Improper use of the assignment class. ' .
'Cannot load the assignment record.');
}
return $this->instance;
}
/**
* Get the primary grade item for this assign instance.
*
* @return stdClass The grade_item record
*/
public function get_grade_item() {
if ($this->gradeitem) {
return $this->gradeitem;
}
$instance = $this->get_instance();
$params = array('itemtype' => 'mod',
'itemmodule' => 'assign',
'iteminstance' => $instance->id,
'courseid' => $instance->course,
'itemnumber' => 0);
$this->gradeitem = grade_item::fetch($params);
if (!$this->gradeitem) {
throw new coding_exception('Improper use of the assignment class. ' .
'Cannot load the grade item.');
}
return $this->gradeitem;
}
/**
* Get the context of the current course.
*
* @return mixed context|null The course context
*/
public function get_course_context() {
if (!$this->context && !$this->course) {
throw new coding_exception('Improper use of the assignment class. ' .
'Cannot load the course context.');
}
if ($this->context) {
return $this->context->get_course_context();
} else {
return context_course::instance($this->course->id);
}
}
/**
* Get the current course module.
*
* @return cm_info|null The course module or null if not known
*/
public function get_course_module() {
if ($this->coursemodule) {
return $this->coursemodule;
}
if (!$this->context) {
return null;
}
if ($this->context->contextlevel == CONTEXT_MODULE) {
$modinfo = get_fast_modinfo($this->get_course());
$this->coursemodule = $modinfo->get_cm($this->context->instanceid);
return $this->coursemodule;
}
return null;
}
/**
* Get context module.
*
* @return context
*/
public function get_context() {
return $this->context;
}
/**
* Get the current course.
*
* @return mixed stdClass|null The course
*/
public function get_course() {
global $DB;
if ($this->course) {
return $this->course;
}
if (!$this->context) {
return null;
}
$params = array('id' => $this->get_course_context()->instanceid);
$this->course = $DB->get_record('course', $params, '*', MUST_EXIST);
return $this->course;
}
/**
* Count the number of intro attachments.
*
* @return int
*/
protected function count_attachments() {
$fs = get_file_storage();
$files = $fs->get_area_files($this->get_context()->id, 'mod_assign', ASSIGN_INTROATTACHMENT_FILEAREA,
0, 'id', false);
return count($files);
}
/**
* Are there any intro attachments to display?
*
* @return boolean
*/
protected function has_visible_attachments() {
return ($this->count_attachments() > 0);
}
/**
* Return a grade in user-friendly form, whether it's a scale or not.
*
* @param mixed $grade int|null
* @param boolean $editing Are we allowing changes to this grade?
* @param int $userid The user id the grade belongs to
* @param int $modified Timestamp from when the grade was last modified
* @return string User-friendly representation of grade
*/
public function display_grade($grade, $editing, $userid=0, $modified=0) {
global $DB;
static $scalegrades = array();
$o = '';
if ($this->get_instance()->grade >= 0) {
// Normal number.
if ($editing && $this->get_instance()->grade > 0) {
if ($grade < 0) {
$displaygrade = '';
} else {
$displaygrade = format_float($grade, 2);
}
$o .= '';
$o .= '';
$o .= ' / ' . format_float($this->get_instance()->grade, 2);
return $o;
} else {
if ($grade == -1 || $grade === null) {
$o .= '-';
} else {
$item = $this->get_grade_item();
$o .= grade_format_gradevalue($grade, $item);
if ($item->get_displaytype() == GRADE_DISPLAY_TYPE_REAL) {
// If displaying the raw grade, also display the total value.
$o .= ' / ' . format_float($this->get_instance()->grade, 2);
}
}
return $o;
}
} else {
// Scale.
if (empty($this->cache['scale'])) {
if ($scale = $DB->get_record('scale', array('id'=>-($this->get_instance()->grade)))) {
$this->cache['scale'] = make_menu_from_list($scale->scale);
} else {
$o .= '-';
return $o;
}
}
if ($editing) {
$o .= '';
$o .= '';
return $o;
} else {
$scaleid = (int)$grade;
if (isset($this->cache['scale'][$scaleid])) {
$o .= $this->cache['scale'][$scaleid];
return $o;
}
$o .= '-';
return $o;
}
}
}
/**
* Load a list of users enrolled in the current course with the specified permission and group.
* 0 for no group.
*
* @param int $currentgroup
* @param bool $idsonly
* @return array List of user records
*/
public function list_participants($currentgroup, $idsonly) {
$key = $this->context->id . '-' . $currentgroup . '-' . $this->show_only_active_users();
if (!isset($this->participants[$key])) {
$users = get_enrolled_users($this->context, 'mod/assign:submit', $currentgroup, 'u.*', null, null, null,
$this->show_only_active_users());
$cm = $this->get_course_module();
$info = new \core_availability\info_module($cm);
$users = $info->filter_user_list($users);
$this->participants[$key] = $users;
}
if ($idsonly) {
$idslist = array();
foreach ($this->participants[$key] as $id => $user) {
$idslist[$id] = new stdClass();
$idslist[$id]->id = $id;
}
return $idslist;
}
return $this->participants[$key];
}
/**
* Load a count of valid teams for this assignment.
*
* @return int number of valid teams
*/
public function count_teams() {
$groups = groups_get_all_groups($this->get_course()->id,
0,
$this->get_instance()->teamsubmissiongroupingid,
'g.id');
$count = count($groups);
// See if there are any users in the default group.
$defaultusers = $this->get_submission_group_members(0, true);
if (count($defaultusers) > 0) {
$count += 1;
}
return $count;
}
/**
* Load a count of active users enrolled in the current course with the specified permission and group.
* 0 for no group.
*
* @param int $currentgroup
* @return int number of matching users
*/
public function count_participants($currentgroup) {
return count($this->list_participants($currentgroup, true));
}
/**
* Load a count of active users submissions in the current module that require grading
* This means the submission modification time is more recent than the
* grading modification time and the status is SUBMITTED.
*
* @return int number of matching submissions
*/
public function count_submissions_need_grading() {
global $DB;
if ($this->get_instance()->teamsubmission) {
// This does not make sense for group assignment because the submission is shared.
return 0;
}
$currentgroup = groups_get_activity_group($this->get_course_module(), true);
list($esql, $params) = get_enrolled_sql($this->get_context(), 'mod/assign:submit', $currentgroup, true);
$params['assignid'] = $this->get_instance()->id;
$params['submitted'] = ASSIGN_SUBMISSION_STATUS_SUBMITTED;
$sql = 'SELECT COUNT(s.userid)
FROM {assign_submission} s
LEFT JOIN {assign_grades} g ON
s.assignment = g.assignment AND
s.userid = g.userid AND
g.attemptnumber = s.attemptnumber
JOIN(' . $esql . ') e ON e.id = s.userid
WHERE
s.latest = 1 AND
s.assignment = :assignid AND
s.timemodified IS NOT NULL AND
s.status = :submitted AND
(s.timemodified > g.timemodified OR g.timemodified IS NULL)';
return $DB->count_records_sql($sql, $params);
}
/**
* Load a count of grades.
*
* @return int number of grades
*/
public function count_grades() {
global $DB;
if (!$this->has_instance()) {
return 0;
}
$currentgroup = groups_get_activity_group($this->get_course_module(), true);
list($esql, $params) = get_enrolled_sql($this->get_context(), 'mod/assign:submit', $currentgroup, true);
$params['assignid'] = $this->get_instance()->id;
$sql = 'SELECT COUNT(g.userid)
FROM {assign_grades} g
JOIN(' . $esql . ') e ON e.id = g.userid
WHERE g.assignment = :assignid';
return $DB->count_records_sql($sql, $params);
}
/**
* Load a count of submissions.
*
* @param bool $includenew When true, also counts the submissions with status 'new'.
* @return int number of submissions
*/
public function count_submissions($includenew = false) {
global $DB;
if (!$this->has_instance()) {
return 0;
}
$params = array();
$sqlnew = '';
if (!$includenew) {
$sqlnew = ' AND s.status <> :status ';
$params['status'] = ASSIGN_SUBMISSION_STATUS_NEW;
}
if ($this->get_instance()->teamsubmission) {
// We cannot join on the enrolment tables for group submissions (no userid).
$sql = 'SELECT COUNT(DISTINCT s.groupid)
FROM {assign_submission} s
WHERE
s.assignment = :assignid AND
s.timemodified IS NOT NULL AND
s.userid = :groupuserid' .
$sqlnew;
$params['assignid'] = $this->get_instance()->id;
$params['groupuserid'] = 0;
} else {
$currentgroup = groups_get_activity_group($this->get_course_module(), true);
list($esql, $enrolparams) = get_enrolled_sql($this->get_context(), 'mod/assign:submit', $currentgroup, true);
$params = array_merge($params, $enrolparams);
$params['assignid'] = $this->get_instance()->id;
$sql = 'SELECT COUNT(DISTINCT s.userid)
FROM {assign_submission} s
JOIN(' . $esql . ') e ON e.id = s.userid
WHERE
s.assignment = :assignid AND
s.timemodified IS NOT NULL ' .
$sqlnew;
}
return $DB->count_records_sql($sql, $params);
}
/**
* Load a count of submissions with a specified status.
*
* @param string $status The submission status - should match one of the constants
* @return int number of matching submissions
*/
public function count_submissions_with_status($status) {
global $DB;
$currentgroup = groups_get_activity_group($this->get_course_module(), true);
list($esql, $params) = get_enrolled_sql($this->get_context(), 'mod/assign:submit', $currentgroup, true);
$params['assignid'] = $this->get_instance()->id;
$params['assignid2'] = $this->get_instance()->id;
$params['submissionstatus'] = $status;
if ($this->get_instance()->teamsubmission) {
$sql = 'SELECT COUNT(s.groupid)
FROM {assign_submission} s
WHERE
s.latest = 1 AND
s.assignment = :assignid AND
s.timemodified IS NOT NULL AND
s.userid = :groupuserid AND
s.status = :submissionstatus';
$params['groupuserid'] = 0;
} else {
$sql = 'SELECT COUNT(s.userid)
FROM {assign_submission} s
JOIN(' . $esql . ') e ON e.id = s.userid
WHERE
s.latest = 1 AND
s.assignment = :assignid AND
s.timemodified IS NOT NULL AND
s.status = :submissionstatus';
}
return $DB->count_records_sql($sql, $params);
}
/**
* Utility function to get the userid for every row in the grading table
* so the order can be frozen while we iterate it.
*
* @return array An array of userids
*/
protected function get_grading_userid_list() {
$filter = get_user_preferences('assign_filter', '');
$table = new assign_grading_table($this, 0, $filter, 0, false);
$useridlist = $table->get_column_data('userid');
return $useridlist;
}
/**
* Generate zip file from array of given files.
*
* @param array $filesforzipping - array of files to pass into archive_to_pathname.
* This array is indexed by the final file name and each
* element in the array is an instance of a stored_file object.
* @return path of temp file - note this returned file does
* not have a .zip extension - it is a temp file.
*/
protected function pack_files($filesforzipping) {
global $CFG;
// Create path for new zip file.
$tempzip = tempnam($CFG->tempdir . '/', 'assignment_');
// Zip files.
$zipper = new zip_packer();
if ($zipper->archive_to_pathname($filesforzipping, $tempzip)) {
return $tempzip;
}
return false;
}
/**
* Finds all assignment notifications that have yet to be mailed out, and mails them.
*
* Cron function to be run periodically according to the moodle cron.
*
* @return bool
*/
public static function cron() {
global $DB;
// Only ever send a max of one days worth of updates.
$yesterday = time() - (24 * 3600);
$timenow = time();
$lastcron = $DB->get_field('modules', 'lastcron', array('name' => 'assign'));
// Collect all submissions from the past 24 hours that require mailing.
// Submissions are excluded if the assignment is hidden in the gradebook.
$sql = "SELECT g.id as gradeid, a.course, a.name, a.blindmarking, a.revealidentities,
g.*, g.timemodified as lastmodified, cm.id as cmid
FROM {assign} a
JOIN {assign_grades} g ON g.assignment = a.id
LEFT JOIN {assign_user_flags} uf ON uf.assignment = a.id AND uf.userid = g.userid
JOIN {course_modules} cm ON cm.course = a.course AND cm.instance = a.id
JOIN {modules} md ON md.id = cm.module AND md.name = 'assign'
JOIN {grade_items} gri ON gri.iteminstance = a.id AND gri.courseid = a.course AND gri.itemmodule = md.name
WHERE g.timemodified >= :yesterday AND
g.timemodified <= :today AND
uf.mailed = 0 AND gri.hidden = 0
ORDER BY a.course, cm.id";
$params = array('yesterday' => $yesterday, 'today' => $timenow);
$submissions = $DB->get_records_sql($sql, $params);
if (!empty($submissions)) {
mtrace('Processing ' . count($submissions) . ' assignment submissions ...');
// Preload courses we are going to need those.
$courseids = array();
foreach ($submissions as $submission) {
$courseids[] = $submission->course;
}
// Filter out duplicates.
$courseids = array_unique($courseids);
$ctxselect = context_helper::get_preload_record_columns_sql('ctx');
list($courseidsql, $params) = $DB->get_in_or_equal($courseids, SQL_PARAMS_NAMED);
$sql = 'SELECT c.*, ' . $ctxselect .
' FROM {course} c
LEFT JOIN {context} ctx ON ctx.instanceid = c.id AND ctx.contextlevel = :contextlevel
WHERE c.id ' . $courseidsql;
$params['contextlevel'] = CONTEXT_COURSE;
$courses = $DB->get_records_sql($sql, $params);
// Clean up... this could go on for a while.
unset($courseids);
unset($ctxselect);
unset($courseidsql);
unset($params);
// Message students about new feedback.
foreach ($submissions as $submission) {
mtrace("Processing assignment submission $submission->id ...");
// Do not cache user lookups - could be too many.
if (!$user = $DB->get_record('user', array('id'=>$submission->userid))) {
mtrace('Could not find user ' . $submission->userid);
continue;
}
// Use a cache to prevent the same DB queries happening over and over.
if (!array_key_exists($submission->course, $courses)) {
mtrace('Could not find course ' . $submission->course);
continue;
}
$course = $courses[$submission->course];
if (isset($course->ctxid)) {
// Context has not yet been preloaded. Do so now.
context_helper::preload_from_record($course);
}
// Override the language and timezone of the "current" user, so that
// mail is customised for the receiver.
cron_setup_user($user, $course);
// Context lookups are already cached.
$coursecontext = context_course::instance($course->id);
if (!is_enrolled($coursecontext, $user->id)) {
$courseshortname = format_string($course->shortname,
true,
array('context' => $coursecontext));
mtrace(fullname($user) . ' not an active participant in ' . $courseshortname);
continue;
}
if (!$grader = $DB->get_record('user', array('id'=>$submission->grader))) {
mtrace('Could not find grader ' . $submission->grader);
continue;
}
$modinfo = get_fast_modinfo($course, $user->id);
$cm = $modinfo->get_cm($submission->cmid);
// Context lookups are already cached.
$contextmodule = context_module::instance($cm->id);
if (!$cm->uservisible) {
// Hold mail notification for assignments the user cannot access until later.
continue;
}
// Need to send this to the student.
$messagetype = 'feedbackavailable';
$eventtype = 'assign_notification';
$updatetime = $submission->lastmodified;
$modulename = get_string('modulename', 'assign');
$uniqueid = 0;
if ($submission->blindmarking && !$submission->revealidentities) {
$uniqueid = self::get_uniqueid_for_user_static($submission->assignment, $user->id);
}
$showusers = $submission->blindmarking && !$submission->revealidentities;
self::send_assignment_notification($grader,
$user,
$messagetype,
$eventtype,
$updatetime,
$cm,
$contextmodule,
$course,
$modulename,
$submission->name,
$showusers,
$uniqueid);
$flags = $DB->get_record('assign_user_flags', array('userid'=>$user->id, 'assignment'=>$submission->assignment));
if ($flags) {
$flags->mailed = 1;
$DB->update_record('assign_user_flags', $flags);
} else {
$flags = new stdClass();
$flags->userid = $user->id;
$flags->assignment = $submission->assignment;
$flags->mailed = 1;
$DB->insert_record('assign_user_flags', $flags);
}
mtrace('Done');
}
mtrace('Done processing ' . count($submissions) . ' assignment submissions');
cron_setup_user();
// Free up memory just to be sure.
unset($courses);
}
// Update calendar events to provide a description.
$sql = 'SELECT id
FROM {assign}
WHERE
allowsubmissionsfromdate >= :lastcron AND
allowsubmissionsfromdate <= :timenow AND
alwaysshowdescription = 0';
$params = array('lastcron' => $lastcron, 'timenow' => $timenow);
$newlyavailable = $DB->get_records_sql($sql, $params);
foreach ($newlyavailable as $record) {
$cm = get_coursemodule_from_instance('assign', $record->id, 0, false, MUST_EXIST);
$context = context_module::instance($cm->id);
$assignment = new assign($context, null, null);
$assignment->update_calendar($cm->id);
}
return true;
}
/**
* Mark in the database that this grade record should have an update notification sent by cron.
*
* @param stdClass $grade a grade record keyed on id
* @return bool true for success
*/
public function notify_grade_modified($grade) {
global $DB;
$flags = $this->get_user_flags($grade->userid, true);
if ($flags->mailed != 1) {
$flags->mailed = 0;
}
return $this->update_user_flags($flags);
}
/**
* Update user flags for this user in this assignment.
*
* @param stdClass $flags a flags record keyed on id
* @return bool true for success
*/
public function update_user_flags($flags) {
global $DB;
if ($flags->userid <= 0 || $flags->assignment <= 0 || $flags->id <= 0) {
return false;
}
$result = $DB->update_record('assign_user_flags', $flags);
return $result;
}
/**
* Update a grade in the grade table for the assignment and in the gradebook.
*
* @param stdClass $grade a grade record keyed on id
* @param bool $reopenattempt If the attempt reopen method is manual, allow another attempt at this assignment.
* @return bool true for success
*/
public function update_grade($grade, $reopenattempt = false) {
global $DB;
$grade->timemodified = time();
if (!empty($grade->workflowstate)) {
$validstates = $this->get_marking_workflow_states_for_current_user();
if (!array_key_exists($grade->workflowstate, $validstates)) {
return false;
}
}
if ($grade->grade && $grade->grade != -1) {
if ($this->get_instance()->grade > 0) {
if (!is_numeric($grade->grade)) {
return false;
} else if ($grade->grade > $this->get_instance()->grade) {
return false;
} else if ($grade->grade < 0) {
return false;
}
} else {
// This is a scale.
if ($scale = $DB->get_record('scale', array('id' => -($this->get_instance()->grade)))) {
$scaleoptions = make_menu_from_list($scale->scale);
if (!array_key_exists((int) $grade->grade, $scaleoptions)) {
return false;
}
}
}
}
if (empty($grade->attemptnumber)) {
// Set it to the default.
$grade->attemptnumber = 0;
}
$result = $DB->update_record('assign_grades', $grade);
// If the conditions are met, allow another attempt.
$submission = null;
if ($this->get_instance()->teamsubmission) {
$submission = $this->get_group_submission($grade->userid, 0, false);
} else {
$submission = $this->get_user_submission($grade->userid, false);
}
if ($submission && $submission->attemptnumber == $grade->attemptnumber) {
$this->reopen_submission_if_required($grade->userid,
$submission,
$reopenattempt);
}
// Only push to gradebook if the update is for the latest attempt.
// Not the latest attempt.
if ($submission && $submission->attemptnumber != $grade->attemptnumber) {
return true;
}
if ($result) {
$this->gradebook_item_update(null, $grade);
\mod_assign\event\submission_graded::create_from_grade($this, $grade)->trigger();
}
return $result;
}
/**
* View the grant extension date page.
*
* Uses url parameters 'userid'
* or from parameter 'selectedusers'
*
* @param moodleform $mform - Used for validation of the submitted data
* @return string
*/
protected function view_grant_extension($mform) {
global $DB, $CFG;
require_once($CFG->dirroot . '/mod/assign/extensionform.php');
$o = '';
$batchusers = optional_param('selectedusers', '', PARAM_SEQUENCE);
$data = new stdClass();
$data->extensionduedate = null;
$userid = 0;
if (!$batchusers) {
$userid = required_param('userid', PARAM_INT);
$flags = $this->get_user_flags($userid, false);
$user = $DB->get_record('user', array('id'=>$userid), '*', MUST_EXIST);
if ($flags) {
$data->extensionduedate = $flags->extensionduedate;
}
$data->userid = $userid;
} else {
$data->batchusers = $batchusers;
}
$header = new assign_header($this->get_instance(),
$this->get_context(),
$this->show_intro(),
$this->get_course_module()->id,
get_string('grantextension', 'assign'));
$o .= $this->get_renderer()->render($header);
if (!$mform) {
$formparams = array($this->get_course_module()->id,
$userid,
$batchusers,
$this->get_instance(),
$data);
$mform = new mod_assign_extension_form(null, $formparams);
}
$o .= $this->get_renderer()->render(new assign_form('extensionform', $mform));
$o .= $this->view_footer();
return $o;
}
/**
* Get a list of the users in the same group as this user.
*
* @param int $groupid The id of the group whose members we want or 0 for the default group
* @param bool $onlyids Whether to retrieve only the user id's
* @param bool $excludesuspended Whether to exclude suspended users
* @return array The users (possibly id's only)
*/
public function get_submission_group_members($groupid, $onlyids, $excludesuspended = false) {
$members = array();
if ($groupid != 0) {
if ($onlyids) {
$allusers = groups_get_members($groupid, 'u.id');
} else {
$allusers = groups_get_members($groupid);
}
foreach ($allusers as $user) {
if ($this->get_submission_group($user->id)) {
$members[] = $user;
}
}
} else {
$allusers = $this->list_participants(null, $onlyids);
foreach ($allusers as $user) {
if ($this->get_submission_group($user->id) == null) {
$members[] = $user;
}
}
}
// Exclude suspended users, if user can't see them.
if ($excludesuspended || !has_capability('moodle/course:viewsuspendedusers', $this->context)) {
foreach ($members as $key => $member) {
if (!$this->is_active_user($member->id)) {
unset($members[$key]);
}
}
}
return $members;
}
/**
* Get a list of the users in the same group as this user that have not submitted the assignment.
*
* @param int $groupid The id of the group whose members we want or 0 for the default group
* @param bool $onlyids Whether to retrieve only the user id's
* @return array The users (possibly id's only)
*/
public function get_submission_group_members_who_have_not_submitted($groupid, $onlyids) {
$instance = $this->get_instance();
if (!$instance->teamsubmission || !$instance->requireallteammemberssubmit) {
return array();
}
$members = $this->get_submission_group_members($groupid, $onlyids);
foreach ($members as $id => $member) {
$submission = $this->get_user_submission($member->id, false);
if ($submission && $submission->status == ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
unset($members[$id]);
} else {
if ($this->is_blind_marking()) {
$members[$id]->alias = get_string('hiddenuser', 'assign') .
$this->get_uniqueid_for_user($id);
}
}
}
return $members;
}
/**
* Load the group submission object for a particular user, optionally creating it if required.
*
* @param int $userid The id of the user whose submission we want
* @param int $groupid The id of the group for this user - may be 0 in which
* case it is determined from the userid.
* @param bool $create If set to true a new submission object will be created in the database
* with the status set to "new".
* @param int $attemptnumber - -1 means the latest attempt
* @return stdClass The submission
*/
public function get_group_submission($userid, $groupid, $create, $attemptnumber=-1) {
global $DB;
if ($groupid == 0) {
$group = $this->get_submission_group($userid);
if ($group) {
$groupid = $group->id;
}
}
// Now get the group submission.
$params = array('assignment'=>$this->get_instance()->id, 'groupid'=>$groupid, 'userid'=>0);
if ($attemptnumber >= 0) {
$params['attemptnumber'] = $attemptnumber;
}
// Only return the row with the highest attemptnumber.
$submission = null;
$submissions = $DB->get_records('assign_submission', $params, 'attemptnumber DESC', '*', 0, 1);
if ($submissions) {
$submission = reset($submissions);
}
if ($submission) {
return $submission;
}
if ($create) {
$submission = new stdClass();
$submission->assignment = $this->get_instance()->id;
$submission->userid = 0;
$submission->groupid = $groupid;
$submission->timecreated = time();
$submission->timemodified = $submission->timecreated;
if ($attemptnumber >= 0) {
$submission->attemptnumber = $attemptnumber;
} else {
$submission->attemptnumber = 0;
}
// Work out if this is the latest submission.
$submission->latest = 0;
$params = array('assignment'=>$this->get_instance()->id, 'groupid'=>$groupid, 'userid'=>0);
if ($attemptnumber == -1) {
// This is a new submission so it must be the latest.
$submission->latest = 1;
} else {
// We need to work this out.
$result = $DB->get_records('assign_submission', $params, 'attemptnumber DESC', 'attemptnumber', 0, 1);
if ($result) {
$latestsubmission = reset($result);
}
if (!$latestsubmission || ($attemptnumber == $latestsubmission->attemptnumber)) {
$submission->latest = 1;
}
}
if ($submission->latest) {
// This is the case when we need to set latest to 0 for all the other attempts.
$DB->set_field('assign_submission', 'latest', 0, $params);
}
$submission->status = ASSIGN_SUBMISSION_STATUS_NEW;
$sid = $DB->insert_record('assign_submission', $submission);
return $DB->get_record('assign_submission', array('id' => $sid));
}
return false;
}
/**
* View a summary listing of all assignments in the current course.
*
* @return string
*/
private function view_course_index() {
global $USER;
$o = '';
$course = $this->get_course();
$strplural = get_string('modulenameplural', 'assign');
if (!$cms = get_coursemodules_in_course('assign', $course->id, 'm.duedate')) {
$o .= $this->get_renderer()->notification(get_string('thereareno', 'moodle', $strplural));
$o .= $this->get_renderer()->continue_button(new moodle_url('/course/view.php', array('id' => $course->id)));
return $o;
}
$strsectionname = '';
$usesections = course_format_uses_sections($course->format);
$modinfo = get_fast_modinfo($course);
if ($usesections) {
$strsectionname = get_string('sectionname', 'format_'.$course->format);
$sections = $modinfo->get_section_info_all();
}
$courseindexsummary = new assign_course_index_summary($usesections, $strsectionname);
$timenow = time();
$currentsection = '';
foreach ($modinfo->instances['assign'] as $cm) {
if (!$cm->uservisible) {
continue;
}
$timedue = $cms[$cm->id]->duedate;
$sectionname = '';
if ($usesections && $cm->sectionnum) {
$sectionname = get_section_name($course, $sections[$cm->sectionnum]);
}
$submitted = '';
$context = context_module::instance($cm->id);
$assignment = new assign($context, $cm, $course);
if (has_capability('mod/assign:grade', $context)) {
$submitted = $assignment->count_submissions_with_status(ASSIGN_SUBMISSION_STATUS_SUBMITTED);
} else if (has_capability('mod/assign:submit', $context)) {
$usersubmission = $assignment->get_user_submission($USER->id, false);
if (!empty($usersubmission->status)) {
$submitted = get_string('submissionstatus_' . $usersubmission->status, 'assign');
} else {
$submitted = get_string('submissionstatus_', 'assign');
}
}
$gradinginfo = grade_get_grades($course->id, 'mod', 'assign', $cm->instance, $USER->id);
if (isset($gradinginfo->items[0]->grades[$USER->id]) &&
!$gradinginfo->items[0]->grades[$USER->id]->hidden ) {
$grade = $gradinginfo->items[0]->grades[$USER->id]->str_grade;
} else {
$grade = '-';
}
$courseindexsummary->add_assign_info($cm->id, $cm->name, $sectionname, $timedue, $submitted, $grade);
}
$o .= $this->get_renderer()->render($courseindexsummary);
$o .= $this->view_footer();
return $o;
}
/**
* View a page rendered by a plugin.
*
* Uses url parameters 'pluginaction', 'pluginsubtype', 'plugin', and 'id'.
*
* @return string
*/
protected function view_plugin_page() {
global $USER;
$o = '';
$pluginsubtype = required_param('pluginsubtype', PARAM_ALPHA);
$plugintype = required_param('plugin', PARAM_TEXT);
$pluginaction = required_param('pluginaction', PARAM_ALPHA);
$plugin = $this->get_plugin_by_type($pluginsubtype, $plugintype);
if (!$plugin) {
print_error('invalidformdata', '');
return;
}
$o .= $plugin->view_page($pluginaction);
return $o;
}
/**
* This is used for team assignments to get the group for the specified user.
* If the user is a member of multiple or no groups this will return false
*
* @param int $userid The id of the user whose submission we want
* @return mixed The group or false
*/
public function get_submission_group($userid) {
$grouping = $this->get_instance()->teamsubmissiongroupingid;
$groups = groups_get_all_groups($this->get_course()->id, $userid, $grouping);
if (count($groups) != 1) {
return false;
}
return array_pop($groups);
}
/**
* Display the submission that is used by a plugin.
*
* Uses url parameters 'sid', 'gid' and 'plugin'.
*
* @param string $pluginsubtype
* @return string
*/
protected function view_plugin_content($pluginsubtype) {
$o = '';
$submissionid = optional_param('sid', 0, PARAM_INT);
$gradeid = optional_param('gid', 0, PARAM_INT);
$plugintype = required_param('plugin', PARAM_TEXT);
$item = null;
if ($pluginsubtype == 'assignsubmission') {
$plugin = $this->get_submission_plugin_by_type($plugintype);
if ($submissionid <= 0) {
throw new coding_exception('Submission id should not be 0');
}
$item = $this->get_submission($submissionid);
// Check permissions.
$this->require_view_submission($item->userid);
$o .= $this->get_renderer()->render(new assign_header($this->get_instance(),
$this->get_context(),
$this->show_intro(),
$this->get_course_module()->id,
$plugin->get_name()));
$o .= $this->get_renderer()->render(new assign_submission_plugin_submission($plugin,
$item,
assign_submission_plugin_submission::FULL,
$this->get_course_module()->id,
$this->get_return_action(),
$this->get_return_params()));
// Trigger event for viewing a submission.
\mod_assign\event\submission_viewed::create_from_submission($this, $item)->trigger();
} else {
$plugin = $this->get_feedback_plugin_by_type($plugintype);
if ($gradeid <= 0) {
throw new coding_exception('Grade id should not be 0');
}
$item = $this->get_grade($gradeid);
// Check permissions.
$this->require_view_submission($item->userid);
$o .= $this->get_renderer()->render(new assign_header($this->get_instance(),
$this->get_context(),
$this->show_intro(),
$this->get_course_module()->id,
$plugin->get_name()));
$o .= $this->get_renderer()->render(new assign_feedback_plugin_feedback($plugin,
$item,
assign_feedback_plugin_feedback::FULL,
$this->get_course_module()->id,
$this->get_return_action(),
$this->get_return_params()));
// Trigger event for viewing feedback.
\mod_assign\event\feedback_viewed::create_from_grade($this, $item)->trigger();
}
$o .= $this->view_return_links();
$o .= $this->view_footer();
return $o;
}
/**
* Rewrite plugin file urls so they resolve correctly in an exported zip.
*
* @param string $text - The replacement text
* @param stdClass $user - The user record
* @param assign_plugin $plugin - The assignment plugin
*/
public function download_rewrite_pluginfile_urls($text, $user, $plugin) {
$groupmode = groups_get_activity_groupmode($this->get_course_module());
$groupname = '';
if ($groupmode) {
$groupid = groups_get_activity_group($this->get_course_module(), true);
$groupname = groups_get_group_name($groupid).'-';
}
if ($this->is_blind_marking()) {
$prefix = $groupname . get_string('participant', 'assign');
$prefix = str_replace('_', ' ', $prefix);
$prefix = clean_filename($prefix . '_' . $this->get_uniqueid_for_user($user->id) . '_');
} else {
$prefix = $groupname . fullname($user);
$prefix = str_replace('_', ' ', $prefix);
$prefix = clean_filename($prefix . '_' . $this->get_uniqueid_for_user($user->id) . '_');
}
$subtype = $plugin->get_subtype();
$type = $plugin->get_type();
$prefix = $prefix . $subtype . '_' . $type . '_';
$result = str_replace('@@PLUGINFILE@@/', $prefix, $text);
return $result;
}
/**
* Render the content in editor that is often used by plugin.
*
* @param string $filearea
* @param int $submissionid
* @param string $plugintype
* @param string $editor
* @param string $component
* @return string
*/
public function render_editor_content($filearea, $submissionid, $plugintype, $editor, $component) {
global $CFG;
$result = '';
$plugin = $this->get_submission_plugin_by_type($plugintype);
$text = $plugin->get_editor_text($editor, $submissionid);
$format = $plugin->get_editor_format($editor, $submissionid);
$finaltext = file_rewrite_pluginfile_urls($text,
'pluginfile.php',
$this->get_context()->id,
$component,
$filearea,
$submissionid);
$params = array('overflowdiv' => true, 'context' => $this->get_context());
$result .= format_text($finaltext, $format, $params);
if ($CFG->enableportfolios) {
require_once($CFG->libdir . '/portfoliolib.php');
$button = new portfolio_add_button();
$portfolioparams = array('cmid' => $this->get_course_module()->id,
'sid' => $submissionid,
'plugin' => $plugintype,
'editor' => $editor,
'area'=>$filearea);
$button->set_callback_options('assign_portfolio_caller', $portfolioparams, 'mod_assign');
$fs = get_file_storage();
if ($files = $fs->get_area_files($this->context->id,
$component,
$filearea,
$submissionid,
'timemodified',
false)) {
$button->set_formats(PORTFOLIO_FORMAT_RICHHTML);
} else {
$button->set_formats(PORTFOLIO_FORMAT_PLAINHTML);
}
$result .= $button->to_html();
}
return $result;
}
/**
* Display a continue page after grading.
*
* @param string $message - The message to display.
* @return string
*/
protected function view_savegrading_result($message) {
$o = '';
$o .= $this->get_renderer()->render(new assign_header($this->get_instance(),
$this->get_context(),
$this->show_intro(),
$this->get_course_module()->id,
get_string('savegradingresult', 'assign')));
$gradingresult = new assign_gradingmessage(get_string('savegradingresult', 'assign'),
$message,
$this->get_course_module()->id);
$o .= $this->get_renderer()->render($gradingresult);
$o .= $this->view_footer();
return $o;
}
/**
* Display a continue page after quickgrading.
*
* @param string $message - The message to display.
* @return string
*/
protected function view_quickgrading_result($message) {
$o = '';
$o .= $this->get_renderer()->render(new assign_header($this->get_instance(),
$this->get_context(),
$this->show_intro(),
$this->get_course_module()->id,
get_string('quickgradingresult', 'assign')));
$lastpage = optional_param('lastpage', null, PARAM_INT);
$gradingresult = new assign_gradingmessage(get_string('quickgradingresult', 'assign'),
$message,
$this->get_course_module()->id,
false,
$lastpage);
$o .= $this->get_renderer()->render($gradingresult);
$o .= $this->view_footer();
return $o;
}
/**
* Display the page footer.
*
* @return string
*/
protected function view_footer() {
// When viewing the footer during PHPUNIT tests a set_state error is thrown.
if (!PHPUNIT_TEST) {
return $this->get_renderer()->render_footer();
}
return '';
}
/**
* Throw an error if the permissions to view this users submission are missing.
*
* @throws required_capability_exception
* @return none
*/
public function require_view_submission($userid) {
if (!$this->can_view_submission($userid)) {
throw new required_capability_exception($this->context, 'mod/assign:viewgrades', 'nopermission', '');
}
}
/**
* Throw an error if the permissions to view grades in this assignment are missing.
*
* @throws required_capability_exception
* @return none
*/
public function require_view_grades() {
if (!$this->can_view_grades()) {
throw new required_capability_exception($this->context, 'mod/assign:viewgrades', 'nopermission', '');
}
}
/**
* Does this user have view grade or grade permission for this assignment?
*
* @return bool
*/
public function can_view_grades() {
// Permissions check.
if (!has_any_capability(array('mod/assign:viewgrades', 'mod/assign:grade'), $this->context)) {
return false;
}
return true;
}
/**
* Does this user have grade permission for this assignment?
*
* @return bool
*/
public function can_grade() {
// Permissions check.
if (!has_capability('mod/assign:grade', $this->context)) {
return false;
}
return true;
}
/**
* Download a zip file of all assignment submissions.
*
* @return string - If an error occurs, this will contain the error page.
*/
protected function download_submissions() {
global $CFG, $DB;
// More efficient to load this here.
require_once($CFG->libdir.'/filelib.php');
$this->require_view_grades();
// Load all users with submit.
$students = get_enrolled_users($this->context, "mod/assign:submit", null, 'u.*', null, null, null,
$this->show_only_active_users());
// Build a list of files to zip.
$filesforzipping = array();
$fs = get_file_storage();
$groupmode = groups_get_activity_groupmode($this->get_course_module());
// All users.
$groupid = 0;
$groupname = '';
if ($groupmode) {
$groupid = groups_get_activity_group($this->get_course_module(), true);
$groupname = groups_get_group_name($groupid).'-';
}
// Construct the zip file name.
$filename = clean_filename($this->get_course()->shortname . '-' .
$this->get_instance()->name . '-' .
$groupname.$this->get_course_module()->id . '.zip');
// Get all the files for each student.
foreach ($students as $student) {
$userid = $student->id;
if ((groups_is_member($groupid, $userid) or !$groupmode or !$groupid)) {
// Get the plugins to add their own files to the zip.
$submissiongroup = false;
$groupname = '';
if ($this->get_instance()->teamsubmission) {
$submission = $this->get_group_submission($userid, 0, false);
$submissiongroup = $this->get_submission_group($userid);
if ($submissiongroup) {
$groupname = $submissiongroup->name . '-';
} else {
$groupname = get_string('defaultteam', 'assign') . '-';
}
} else {
$submission = $this->get_user_submission($userid, false);
}
if ($this->is_blind_marking()) {
$prefix = str_replace('_', ' ', $groupname . get_string('participant', 'assign'));
$prefix = clean_filename($prefix . '_' . $this->get_uniqueid_for_user($userid) . '_');
} else {
$prefix = str_replace('_', ' ', $groupname . fullname($student));
$prefix = clean_filename($prefix . '_' . $this->get_uniqueid_for_user($userid) . '_');
}
if ($submission) {
foreach ($this->submissionplugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
$pluginfiles = $plugin->get_files($submission, $student);
foreach ($pluginfiles as $zipfilename => $file) {
$subtype = $plugin->get_subtype();
$type = $plugin->get_type();
$prefixedfilename = clean_filename($prefix .
$subtype .
'_' .
$type .
'_' .
$zipfilename);
$filesforzipping[$prefixedfilename] = $file;
}
}
}
}
}
}
$result = '';
if (count($filesforzipping) == 0) {
$header = new assign_header($this->get_instance(),
$this->get_context(),
'',
$this->get_course_module()->id,
get_string('downloadall', 'assign'));
$result .= $this->get_renderer()->render($header);
$result .= $this->get_renderer()->notification(get_string('nosubmission', 'assign'));
$url = new moodle_url('/mod/assign/view.php', array('id'=>$this->get_course_module()->id,
'action'=>'grading'));
$result .= $this->get_renderer()->continue_button($url);
$result .= $this->view_footer();
} else if ($zipfile = $this->pack_files($filesforzipping)) {
\mod_assign\event\all_submissions_downloaded::create_from_assign($this)->trigger();
// Send file and delete after sending.
send_temp_file($zipfile, $filename);
// We will not get here - send_temp_file calls exit.
}
return $result;
}
/**
* Util function to add a message to the log.
*
* @deprecated since 2.7 - Use new events system instead.
* (see http://docs.moodle.org/dev/Migrating_logging_calls_in_plugins).
*
* @param string $action The current action
* @param string $info A detailed description of the change. But no more than 255 characters.
* @param string $url The url to the assign module instance.
* @param bool $return If true, returns the arguments, else adds to log. The purpose of this is to
* retrieve the arguments to use them with the new event system (Event 2).
* @return void|array
*/
public function add_to_log($action = '', $info = '', $url='', $return = false) {
global $USER;
$fullurl = 'view.php?id=' . $this->get_course_module()->id;
if ($url != '') {
$fullurl .= '&' . $url;
}
$args = array(
$this->get_course()->id,
'assign',
$action,
$fullurl,
$info,
$this->get_course_module()->id
);
if ($return) {
// We only need to call debugging when returning a value. This is because the call to
// call_user_func_array('add_to_log', $args) will trigger a debugging message of it's own.
debugging('The mod_assign add_to_log() function is now deprecated.', DEBUG_DEVELOPER);
return $args;
}
call_user_func_array('add_to_log', $args);
}
/**
* Lazy load the page renderer and expose the renderer to plugins.
*
* @return assign_renderer
*/
public function get_renderer() {
global $PAGE;
if ($this->output) {
return $this->output;
}
$this->output = $PAGE->get_renderer('mod_assign');
return $this->output;
}
/**
* Load the submission object for a particular user, optionally creating it if required.
*
* For team assignments there are 2 submissions - the student submission and the team submission
* All files are associated with the team submission but the status of the students contribution is
* recorded separately.
*
* @param int $userid The id of the user whose submission we want or 0 in which case USER->id is used
* @param bool $create optional - defaults to false. If set to true a new submission object
* will be created in the database with the status set to "new".
* @param int $attemptnumber - -1 means the latest attempt
* @return stdClass The submission
*/
public function get_user_submission($userid, $create, $attemptnumber=-1) {
global $DB, $USER;
if (!$userid) {
$userid = $USER->id;
}
// If the userid is not null then use userid.
$params = array('assignment'=>$this->get_instance()->id, 'userid'=>$userid, 'groupid'=>0);
if ($attemptnumber >= 0) {
$params['attemptnumber'] = $attemptnumber;
}
// Only return the row with the highest attemptnumber.
$submission = null;
$submissions = $DB->get_records('assign_submission', $params, 'attemptnumber DESC', '*', 0, 1);
if ($submissions) {
$submission = reset($submissions);
}
if ($submission) {
return $submission;
}
if ($create) {
$submission = new stdClass();
$submission->assignment = $this->get_instance()->id;
$submission->userid = $userid;
$submission->timecreated = time();
$submission->timemodified = $submission->timecreated;
$submission->status = ASSIGN_SUBMISSION_STATUS_NEW;
if ($attemptnumber >= 0) {
$submission->attemptnumber = $attemptnumber;
} else {
$submission->attemptnumber = 0;
}
// Work out if this is the latest submission.
$submission->latest = 0;
$params = array('assignment'=>$this->get_instance()->id, 'userid'=>$userid, 'groupid'=>0);
if ($attemptnumber == -1) {
// This is a new submission so it must be the latest.
$submission->latest = 1;
} else {
// We need to work this out.
$result = $DB->get_records('assign_submission', $params, 'attemptnumber DESC', 'attemptnumber', 0, 1);
$latestsubmission = null;
if ($result) {
$latestsubmission = reset($result);
}
if (empty($latestsubmission) || ($attemptnumber > $latestsubmission->attemptnumber)) {
$submission->latest = 1;
}
}
if ($submission->latest) {
// This is the case when we need to set latest to 0 for all the other attempts.
$DB->set_field('assign_submission', 'latest', 0, $params);
}
$sid = $DB->insert_record('assign_submission', $submission);
return $DB->get_record('assign_submission', array('id' => $sid));
}
return false;
}
/**
* Load the submission object from it's id.
*
* @param int $submissionid The id of the submission we want
* @return stdClass The submission
*/
protected function get_submission($submissionid) {
global $DB;
$params = array('assignment'=>$this->get_instance()->id, 'id'=>$submissionid);
return $DB->get_record('assign_submission', $params, '*', MUST_EXIST);
}
/**
* This will retrieve a user flags object from the db optionally creating it if required.
* The user flags was split from the user_grades table in 2.5.
*
* @param int $userid The user we are getting the flags for.
* @param bool $create If true the flags record will be created if it does not exist
* @return stdClass The flags record
*/
public function get_user_flags($userid, $create) {
global $DB, $USER;
// If the userid is not null then use userid.
if (!$userid) {
$userid = $USER->id;
}
$params = array('assignment'=>$this->get_instance()->id, 'userid'=>$userid);
$flags = $DB->get_record('assign_user_flags', $params);
if ($flags) {
return $flags;
}
if ($create) {
$flags = new stdClass();
$flags->assignment = $this->get_instance()->id;
$flags->userid = $userid;
$flags->locked = 0;
$flags->extensionduedate = 0;
$flags->workflowstate = '';
$flags->allocatedmarker = 0;
// The mailed flag can be one of 3 values: 0 is unsent, 1 is sent and 2 is do not send yet.
// This is because students only want to be notified about certain types of update (grades and feedback).
$flags->mailed = 2;
$fid = $DB->insert_record('assign_user_flags', $flags);
$flags->id = $fid;
return $flags;
}
return false;
}
/**
* This will retrieve a grade object from the db, optionally creating it if required.
*
* @param int $userid The user we are grading
* @param bool $create If true the grade will be created if it does not exist
* @param int $attemptnumber The attempt number to retrieve the grade for. -1 means the latest submission.
* @return stdClass The grade record
*/
public function get_user_grade($userid, $create, $attemptnumber=-1) {
global $DB, $USER;
// If the userid is not null then use userid.
if (!$userid) {
$userid = $USER->id;
}
$params = array('assignment'=>$this->get_instance()->id, 'userid'=>$userid);
if ($attemptnumber < 0) {
// Make sure this grade matches the latest submission attempt.
if ($this->get_instance()->teamsubmission) {
$submission = $this->get_group_submission($userid, 0, true);
} else {
$submission = $this->get_user_submission($userid, true);
}
if ($submission) {
$attemptnumber = $submission->attemptnumber;
}
}
if ($attemptnumber >= 0) {
$params['attemptnumber'] = $attemptnumber;
}
$grades = $DB->get_records('assign_grades', $params, 'attemptnumber DESC', '*', 0, 1);
if ($grades) {
return reset($grades);
}
if ($create) {
$grade = new stdClass();
$grade->assignment = $this->get_instance()->id;
$grade->userid = $userid;
$grade->timecreated = time();
$grade->timemodified = $grade->timecreated;
$grade->grade = -1;
$grade->grader = $USER->id;
if ($attemptnumber >= 0) {
$grade->attemptnumber = $attemptnumber;
}
$gid = $DB->insert_record('assign_grades', $grade);
$grade->id = $gid;
return $grade;
}
return false;
}
/**
* This will retrieve a grade object from the db.
*
* @param int $gradeid The id of the grade
* @return stdClass The grade record
*/
protected function get_grade($gradeid) {
global $DB;
$params = array('assignment'=>$this->get_instance()->id, 'id'=>$gradeid);
return $DB->get_record('assign_grades', $params, '*', MUST_EXIST);
}
/**
* Print the grading page for a single user submission.
*
* @param moodleform $mform
* @return string
*/
protected function view_single_grade_page($mform) {
global $DB, $CFG;
$o = '';
$instance = $this->get_instance();
require_once($CFG->dirroot . '/mod/assign/gradeform.php');
// Need submit permission to submit an assignment.
require_capability('mod/assign:grade', $this->context);
$header = new assign_header($instance,
$this->get_context(),
false,
$this->get_course_module()->id,
get_string('grading', 'assign'));
$o .= $this->get_renderer()->render($header);
// If userid is passed - we are only grading a single student.
$rownum = required_param('rownum', PARAM_INT);
$useridlistid = optional_param('useridlistid', time(), PARAM_INT);
$userid = optional_param('userid', 0, PARAM_INT);
$attemptnumber = optional_param('attemptnumber', -1, PARAM_INT);
$cache = cache::make_from_params(cache_store::MODE_SESSION, 'mod_assign', 'useridlist');
if (!$userid) {
if (!$useridlist = $cache->get($this->get_course_module()->id . '_' . $useridlistid)) {
$useridlist = $this->get_grading_userid_list();
}
$cache->set($this->get_course_module()->id . '_' . $useridlistid, $useridlist);
} else {
$rownum = 0;
$useridlist = array($userid);
}
if ($rownum < 0 || $rownum > count($useridlist)) {
throw new coding_exception('Row is out of bounds for the current grading table: ' . $rownum);
}
$last = false;
$userid = $useridlist[$rownum];
if ($rownum == count($useridlist) - 1) {
$last = true;
}
$user = $DB->get_record('user', array('id' => $userid));
if ($user) {
$viewfullnames = has_capability('moodle/site:viewfullnames', $this->get_course_context());
$usersummary = new assign_user_summary($user,
$this->get_course()->id,
$viewfullnames,
$this->is_blind_marking(),
$this->get_uniqueid_for_user($user->id),
get_extra_user_fields($this->get_context()),
!$this->is_active_user($userid));
$o .= $this->get_renderer()->render($usersummary);
}
$submission = $this->get_user_submission($userid, false, $attemptnumber);
$submissiongroup = null;
$teamsubmission = null;
$notsubmitted = array();
if ($instance->teamsubmission) {
$teamsubmission = $this->get_group_submission($userid, 0, false, $attemptnumber);
$submissiongroup = $this->get_submission_group($userid);
$groupid = 0;
if ($submissiongroup) {
$groupid = $submissiongroup->id;
}
$notsubmitted = $this->get_submission_group_members_who_have_not_submitted($groupid, false);
}
// Get the requested grade.
$grade = $this->get_user_grade($userid, false, $attemptnumber);
$flags = $this->get_user_flags($userid, false);
if ($this->can_view_submission($userid)) {
$gradelocked = ($flags && $flags->locked) || $this->grading_disabled($userid);
$extensionduedate = null;
if ($flags) {
$extensionduedate = $flags->extensionduedate;
}
$showedit = $this->submissions_open($userid) && ($this->is_any_submission_plugin_enabled());
$viewfullnames = has_capability('moodle/site:viewfullnames', $this->get_course_context());
$submissionstatus = new assign_submission_status($instance->allowsubmissionsfromdate,
$instance->alwaysshowdescription,
$submission,
$instance->teamsubmission,
$teamsubmission,
$submissiongroup,
$notsubmitted,
$this->is_any_submission_plugin_enabled(),
$gradelocked,
$this->is_graded($userid),
$instance->duedate,
$instance->cutoffdate,
$this->get_submission_plugins(),
$this->get_return_action(),
$this->get_return_params(),
$this->get_course_module()->id,
$this->get_course()->id,
assign_submission_status::GRADER_VIEW,
$showedit,
false,
$viewfullnames,
$extensionduedate,
$this->get_context(),
$this->is_blind_marking(),
'',
$instance->attemptreopenmethod,
$instance->maxattempts);
$o .= $this->get_renderer()->render($submissionstatus);
}
if ($grade) {
$data = new stdClass();
if ($grade->grade !== null && $grade->grade >= 0) {
$data->grade = format_float($grade->grade, 2);
}
if (!empty($flags->workflowstate)) {
$data->workflowstate = $flags->workflowstate;
}
if (!empty($flags->allocatedmarker)) {
$data->allocatedmarker = $flags->allocatedmarker;
}
} else {
$data = new stdClass();
$data->grade = '';
}
// Warning if required.
$allsubmissions = $this->get_all_submissions($userid);
if ($attemptnumber != -1) {
$params = array('attemptnumber'=>$attemptnumber + 1,
'totalattempts'=>count($allsubmissions));
$message = get_string('editingpreviousfeedbackwarning', 'assign', $params);
$o .= $this->get_renderer()->notification($message);
}
// Now show the grading form.
if (!$mform) {
$pagination = array('rownum'=>$rownum,
'useridlistid'=>$useridlistid,
'last'=>$last,
'userid'=>optional_param('userid', 0, PARAM_INT),
'attemptnumber'=>$attemptnumber);
$formparams = array($this, $data, $pagination);
$mform = new mod_assign_grade_form(null,
$formparams,
'post',
'',
array('class'=>'gradeform'));
}
$o .= $this->get_renderer()->heading(get_string('grade'), 3);
$o .= $this->get_renderer()->render(new assign_form('gradingform', $mform));
if (count($allsubmissions) > 1 && $attemptnumber == -1) {
$allgrades = $this->get_all_grades($userid);
$history = new assign_attempt_history($allsubmissions,
$allgrades,
$this->get_submission_plugins(),
$this->get_feedback_plugins(),
$this->get_course_module()->id,
$this->get_return_action(),
$this->get_return_params(),
true,
$useridlistid,
$rownum);
$o .= $this->get_renderer()->render($history);
}
\mod_assign\event\grading_form_viewed::create_from_user($this, $user)->trigger();
$o .= $this->view_footer();
return $o;
}
/**
* Show a confirmation page to make sure they want to release student identities.
*
* @return string
*/
protected function view_reveal_identities_confirm() {
require_capability('mod/assign:revealidentities', $this->get_context());
$o = '';
$header = new assign_header($this->get_instance(),
$this->get_context(),
false,
$this->get_course_module()->id);
$o .= $this->get_renderer()->render($header);
$urlparams = array('id'=>$this->get_course_module()->id,
'action'=>'revealidentitiesconfirm',
'sesskey'=>sesskey());
$confirmurl = new moodle_url('/mod/assign/view.php', $urlparams);
$urlparams = array('id'=>$this->get_course_module()->id,
'action'=>'grading');
$cancelurl = new moodle_url('/mod/assign/view.php', $urlparams);
$o .= $this->get_renderer()->confirm(get_string('revealidentitiesconfirm', 'assign'),
$confirmurl,
$cancelurl);
$o .= $this->view_footer();
\mod_assign\event\reveal_identities_confirmation_page_viewed::create_from_assign($this)->trigger();
return $o;
}
/**
* View a link to go back to the previous page. Uses url parameters returnaction and returnparams.
*
* @return string
*/
protected function view_return_links() {
$returnaction = optional_param('returnaction', '', PARAM_ALPHA);
$returnparams = optional_param('returnparams', '', PARAM_TEXT);
$params = array();
$returnparams = str_replace('&', '&', $returnparams);
parse_str($returnparams, $params);
$newparams = array('id' => $this->get_course_module()->id, 'action' => $returnaction);
$params = array_merge($newparams, $params);
$url = new moodle_url('/mod/assign/view.php', $params);
return $this->get_renderer()->single_button($url, get_string('back'), 'get');
}
/**
* View the grading table of all submissions for this assignment.
*
* @return string
*/
protected function view_grading_table() {
global $USER, $CFG;
// Include grading options form.
require_once($CFG->dirroot . '/mod/assign/gradingoptionsform.php');
require_once($CFG->dirroot . '/mod/assign/quickgradingform.php');
require_once($CFG->dirroot . '/mod/assign/gradingbatchoperationsform.php');
$o = '';
$cmid = $this->get_course_module()->id;
$links = array();
if (has_capability('gradereport/grader:view', $this->get_course_context()) &&
has_capability('moodle/grade:viewall', $this->get_course_context())) {
$gradebookurl = '/grade/report/grader/index.php?id=' . $this->get_course()->id;
$links[$gradebookurl] = get_string('viewgradebook', 'assign');
}
if ($this->is_any_submission_plugin_enabled() && $this->count_submissions()) {
$downloadurl = '/mod/assign/view.php?id=' . $cmid . '&action=downloadall';
$links[$downloadurl] = get_string('downloadall', 'assign');
}
if ($this->is_blind_marking() &&
has_capability('mod/assign:revealidentities', $this->get_context())) {
$revealidentitiesurl = '/mod/assign/view.php?id=' . $cmid . '&action=revealidentities';
$links[$revealidentitiesurl] = get_string('revealidentities', 'assign');
}
foreach ($this->get_feedback_plugins() as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
foreach ($plugin->get_grading_actions() as $action => $description) {
$url = '/mod/assign/view.php' .
'?id=' . $cmid .
'&plugin=' . $plugin->get_type() .
'&pluginsubtype=assignfeedback' .
'&action=viewpluginpage&pluginaction=' . $action;
$links[$url] = $description;
}
}
}
// Sort links alphabetically based on the link description.
core_collator::asort($links);
$gradingactions = new url_select($links);
$gradingactions->set_label(get_string('choosegradingaction', 'assign'));
$gradingmanager = get_grading_manager($this->get_context(), 'mod_assign', 'submissions');
$perpage = (int) get_user_preferences('assign_perpage', 10);
$filter = get_user_preferences('assign_filter', '');
$markerfilter = get_user_preferences('assign_markerfilter', '');
$workflowfilter = get_user_preferences('assign_workflowfilter', '');
$controller = $gradingmanager->get_active_controller();
$showquickgrading = empty($controller) && $this->can_grade();
$quickgrading = get_user_preferences('assign_quickgrading', false);
$showonlyactiveenrolopt = has_capability('moodle/course:viewsuspendedusers', $this->context);
$markingallocation = $this->get_instance()->markingworkflow &&
$this->get_instance()->markingallocation &&
has_capability('mod/assign:manageallocations', $this->context);
// Get markers to use in drop lists.
$markingallocationoptions = array();
if ($markingallocation) {
$markers = get_users_by_capability($this->context, 'mod/assign:grade');
$markingallocationoptions[''] = get_string('filternone', 'assign');
$markingallocationoptions[ASSIGN_MARKER_FILTER_NO_MARKER] = get_string('markerfilternomarker', 'assign');
foreach ($markers as $marker) {
$markingallocationoptions[$marker->id] = fullname($marker);
}
}
$markingworkflow = $this->get_instance()->markingworkflow;
// Get marking states to show in form.
$markingworkflowoptions = array();
if ($markingworkflow) {
$notmarked = get_string('markingworkflowstatenotmarked', 'assign');
$markingworkflowoptions[''] = get_string('filternone', 'assign');
$markingworkflowoptions[ASSIGN_MARKING_WORKFLOW_STATE_NOTMARKED] = $notmarked;
$markingworkflowoptions = array_merge($markingworkflowoptions, $this->get_marking_workflow_states_for_current_user());
}
// Print options for changing the filter and changing the number of results per page.
$gradingoptionsformparams = array('cm'=>$cmid,
'contextid'=>$this->context->id,
'userid'=>$USER->id,
'submissionsenabled'=>$this->is_any_submission_plugin_enabled(),
'showquickgrading'=>$showquickgrading,
'quickgrading'=>$quickgrading,
'markingworkflowopt'=>$markingworkflowoptions,
'markingallocationopt'=>$markingallocationoptions,
'showonlyactiveenrolopt'=>$showonlyactiveenrolopt,
'showonlyactiveenrol'=>$this->show_only_active_users());
$classoptions = array('class'=>'gradingoptionsform');
$gradingoptionsform = new mod_assign_grading_options_form(null,
$gradingoptionsformparams,
'post',
'',
$classoptions);
$batchformparams = array('cm'=>$cmid,
'submissiondrafts'=>$this->get_instance()->submissiondrafts,
'duedate'=>$this->get_instance()->duedate,
'attemptreopenmethod'=>$this->get_instance()->attemptreopenmethod,
'feedbackplugins'=>$this->get_feedback_plugins(),
'context'=>$this->get_context(),
'markingworkflow'=>$markingworkflow,
'markingallocation'=>$markingallocation);
$classoptions = array('class'=>'gradingbatchoperationsform');
$gradingbatchoperationsform = new mod_assign_grading_batch_operations_form(null,
$batchformparams,
'post',
'',
$classoptions);
$gradingoptionsdata = new stdClass();
$gradingoptionsdata->perpage = $perpage;
$gradingoptionsdata->filter = $filter;
$gradingoptionsdata->markerfilter = $markerfilter;
$gradingoptionsdata->workflowfilter = $workflowfilter;
$gradingoptionsform->set_data($gradingoptionsdata);
$actionformtext = $this->get_renderer()->render($gradingactions);
$header = new assign_header($this->get_instance(),
$this->get_context(),
false,
$this->get_course_module()->id,
get_string('grading', 'assign'),
$actionformtext);
$o .= $this->get_renderer()->render($header);
$currenturl = $CFG->wwwroot .
'/mod/assign/view.php?id=' .
$this->get_course_module()->id .
'&action=grading';
$o .= groups_print_activity_menu($this->get_course_module(), $currenturl, true);
// Plagiarism update status apearring in the grading book.
if (!empty($CFG->enableplagiarism)) {
require_once($CFG->libdir . '/plagiarismlib.php');
$o .= plagiarism_update_status($this->get_course(), $this->get_course_module());
}
// Load and print the table of submissions.
if ($showquickgrading && $quickgrading) {
$gradingtable = new assign_grading_table($this, $perpage, $filter, 0, true);
$table = $this->get_renderer()->render($gradingtable);
$page = optional_param('page', null, PARAM_INT);
$quickformparams = array('cm'=>$this->get_course_module()->id,
'gradingtable'=>$table,
'sendstudentnotifications' => $this->get_instance()->sendstudentnotifications,
'page' => $page);
$quickgradingform = new mod_assign_quick_grading_form(null, $quickformparams);
$o .= $this->get_renderer()->render(new assign_form('quickgradingform', $quickgradingform));
} else {
$gradingtable = new assign_grading_table($this, $perpage, $filter, 0, false);
$o .= $this->get_renderer()->render($gradingtable);
}
$currentgroup = groups_get_activity_group($this->get_course_module(), true);
$users = array_keys($this->list_participants($currentgroup, true));
if (count($users) != 0 && $this->can_grade()) {
// If no enrolled user in a course then don't display the batch operations feature.
$assignform = new assign_form('gradingbatchoperationsform', $gradingbatchoperationsform);
$o .= $this->get_renderer()->render($assignform);
}
$assignform = new assign_form('gradingoptionsform',
$gradingoptionsform,
'M.mod_assign.init_grading_options');
$o .= $this->get_renderer()->render($assignform);
return $o;
}
/**
* View entire grading page.
*
* @return string
*/
protected function view_grading_page() {
global $CFG;
$o = '';
// Need submit permission to submit an assignment.
$this->require_view_grades();
require_once($CFG->dirroot . '/mod/assign/gradeform.php');
// Only load this if it is.
$o .= $this->view_grading_table();
$o .= $this->view_footer();
\mod_assign\event\grading_table_viewed::create_from_assign($this)->trigger();
return $o;
}
/**
* Capture the output of the plagiarism plugins disclosures and return it as a string.
*
* @return string
*/
protected function plagiarism_print_disclosure() {
global $CFG;
$o = '';
if (!empty($CFG->enableplagiarism)) {
require_once($CFG->libdir . '/plagiarismlib.php');
$o .= plagiarism_print_disclosure($this->get_course_module()->id);
}
return $o;
}
/**
* Message for students when assignment submissions have been closed.
*
* @param string $title The page title
* @param array $notices The array of notices to show.
* @return string
*/
protected function view_notices($title, $notices) {
global $CFG;
$o = '';
$header = new assign_header($this->get_instance(),
$this->get_context(),
$this->show_intro(),
$this->get_course_module()->id,
$title);
$o .= $this->get_renderer()->render($header);
foreach ($notices as $notice) {
$o .= $this->get_renderer()->notification($notice);
}
$url = new moodle_url('/mod/assign/view.php', array('id'=>$this->get_course_module()->id, 'action'=>'view'));
$o .= $this->get_renderer()->continue_button($url);
$o .= $this->view_footer();
return $o;
}
/**
* Get the name for a user - hiding their real name if blind marking is on.
*
* @param stdClass $user The user record as required by fullname()
* @return string The name.
*/
public function fullname($user) {
if ($this->is_blind_marking()) {
$hasviewblind = has_capability('mod/assign:viewblinddetails', $this->get_context());
if ($hasviewblind) {
return fullname($user);
} else {
$uniqueid = $this->get_uniqueid_for_user($user->id);
return get_string('participant', 'assign') . ' ' . $uniqueid;
}
} else {
return fullname($user);
}
}
/**
* View edit submissions page.
*
* @param moodleform $mform
* @param array $notices A list of notices to display at the top of the
* edit submission form (e.g. from plugins).
* @return string The page output.
*/
protected function view_edit_submission_page($mform, $notices) {
global $CFG, $USER, $DB;
$o = '';
require_once($CFG->dirroot . '/mod/assign/submission_form.php');
// Need submit permission to submit an assignment.
$userid = optional_param('userid', $USER->id, PARAM_INT);
$user = $DB->get_record('user', array('id'=>$userid), '*', MUST_EXIST);
if ($userid == $USER->id) {
// User is editing their own submission.
require_capability('mod/assign:submit', $this->context);
$title = get_string('editsubmission', 'assign');
} else {
// User is editing another user's submission.
if (!$this->can_edit_submission($userid, $USER->id)) {
print_error('nopermission');
}
$name = $this->fullname($user);
$title = get_string('editsubmissionother', 'assign', $name);
}
if (!$this->submissions_open($userid)) {
$message = array(get_string('submissionsclosed', 'assign'));
return $this->view_notices($title, $message);
}
$o .= $this->get_renderer()->render(new assign_header($this->get_instance(),
$this->get_context(),
$this->show_intro(),
$this->get_course_module()->id,
$title));
if ($userid == $USER->id) {
// We only show this if it their submission.
$o .= $this->plagiarism_print_disclosure();
}
$data = new stdClass();
$data->userid = $userid;
if (!$mform) {
$mform = new mod_assign_submission_form(null, array($this, $data));
}
foreach ($notices as $notice) {
$o .= $this->get_renderer()->notification($notice);
}
$o .= $this->get_renderer()->render(new assign_form('editsubmissionform', $mform));
$o .= $this->view_footer();
\mod_assign\event\submission_form_viewed::create_from_user($this, $user)->trigger();
return $o;
}
/**
* See if this assignment has a grade yet.
*
* @param int $userid
* @return bool
*/
protected function is_graded($userid) {
$grade = $this->get_user_grade($userid, false);
if ($grade) {
return ($grade->grade !== null && $grade->grade >= 0);
}
return false;
}
/**
* Perform an access check to see if the current $USER can view this group submission.
*
* @param int $groupid
* @return bool
*/
public function can_view_group_submission($groupid) {
global $USER;
if (has_capability('mod/assign:grade', $this->context)) {
return true;
}
if (!is_enrolled($this->get_course_context(), $USER->id)) {
return false;
}
$members = $this->get_submission_group_members($groupid, true);
foreach ($members as $member) {
if ($member->id == $USER->id) {
return true;
}
}
return false;
}
/**
* Perform an access check to see if the current $USER can view this users submission.
*
* @param int $userid
* @return bool
*/
public function can_view_submission($userid) {
global $USER;
if (!$this->is_active_user($userid) && !has_capability('moodle/course:viewsuspendedusers', $this->context)) {
return false;
}
if (has_any_capability(array('mod/assign:viewgrades', 'mod/assign:grade'), $this->context)) {
return true;
}
if (!is_enrolled($this->get_course_context(), $userid)) {
return false;
}
if ($userid == $USER->id && has_capability('mod/assign:submit', $this->context)) {
return true;
}
return false;
}
/**
* Allows the plugin to show a batch grading operation page.
*
* @param moodleform $mform
* @return none
*/
protected function view_plugin_grading_batch_operation($mform) {
require_capability('mod/assign:grade', $this->context);
$prefix = 'plugingradingbatchoperation_';
if ($data = $mform->get_data()) {
$tail = substr($data->operation, strlen($prefix));
list($plugintype, $action) = explode('_', $tail, 2);
$plugin = $this->get_feedback_plugin_by_type($plugintype);
if ($plugin) {
$users = $data->selectedusers;
$userlist = explode(',', $users);
echo $plugin->grading_batch_operation($action, $userlist);
return;
}
}
print_error('invalidformdata', '');
}
/**
* Ask the user to confirm they want to perform this batch operation
*
* @param moodleform $mform Set to a grading batch operations form
* @return string - the page to view after processing these actions
*/
protected function process_grading_batch_operation(& $mform) {
global $CFG;
require_once($CFG->dirroot . '/mod/assign/gradingbatchoperationsform.php');
require_sesskey();
$markingallocation = $this->get_instance()->markingworkflow &&
$this->get_instance()->markingallocation &&
has_capability('mod/assign:manageallocations', $this->context);
$batchformparams = array('cm'=>$this->get_course_module()->id,
'submissiondrafts'=>$this->get_instance()->submissiondrafts,
'duedate'=>$this->get_instance()->duedate,
'attemptreopenmethod'=>$this->get_instance()->attemptreopenmethod,
'feedbackplugins'=>$this->get_feedback_plugins(),
'context'=>$this->get_context(),
'markingworkflow'=>$this->get_instance()->markingworkflow,
'markingallocation'=>$markingallocation);
$formclasses = array('class'=>'gradingbatchoperationsform');
$mform = new mod_assign_grading_batch_operations_form(null,
$batchformparams,
'post',
'',
$formclasses);
if ($data = $mform->get_data()) {
// Get the list of users.
$users = $data->selectedusers;
$userlist = explode(',', $users);
$prefix = 'plugingradingbatchoperation_';
if ($data->operation == 'grantextension') {
// Reset the form so the grant extension page will create the extension form.
$mform = null;
return 'grantextension';
} else if ($data->operation == 'setmarkingworkflowstate') {
return 'viewbatchsetmarkingworkflowstate';
} else if ($data->operation == 'setmarkingallocation') {
return 'viewbatchmarkingallocation';
} else if (strpos($data->operation, $prefix) === 0) {
$tail = substr($data->operation, strlen($prefix));
list($plugintype, $action) = explode('_', $tail, 2);
$plugin = $this->get_feedback_plugin_by_type($plugintype);
if ($plugin) {
return 'plugingradingbatchoperation';
}
}
foreach ($userlist as $userid) {
if ($data->operation == 'lock') {
$this->process_lock_submission($userid);
} else if ($data->operation == 'unlock') {
$this->process_unlock_submission($userid);
} else if ($data->operation == 'reverttodraft') {
$this->process_revert_to_draft($userid);
} else if ($data->operation == 'addattempt') {
if (!$this->get_instance()->teamsubmission) {
$this->process_add_attempt($userid);
}
}
}
if ($this->get_instance()->teamsubmission && $data->operation == 'addattempt') {
// This needs to be handled separately so that each team submission is only re-opened one time.
$this->process_add_attempt_group($userlist);
}
}
return 'grading';
}
/**
* Shows a form that allows the workflow state for selected submissions to be changed.
*
* @param moodleform $mform Set to a grading batch operations form
* @return string - the page to view after processing these actions
*/
protected function view_batch_set_workflow_state($mform) {
global $CFG, $DB;
require_once($CFG->dirroot . '/mod/assign/batchsetmarkingworkflowstateform.php');
$o = '';
$submitteddata = $mform->get_data();
$users = $submitteddata->selectedusers;
$userlist = explode(',', $users);
$formdata = array('id' => $this->get_course_module()->id,
'selectedusers' => $users);
$usershtml = '';
$usercount = 0;
$extrauserfields = get_extra_user_fields($this->get_context());
foreach ($userlist as $userid) {
if ($usercount >= 5) {
$usershtml .= get_string('moreusers', 'assign', count($userlist) - 5);
break;
}
$user = $DB->get_record('user', array('id'=>$userid), '*', MUST_EXIST);
$usershtml .= $this->get_renderer()->render(new assign_user_summary($user,
$this->get_course()->id,
has_capability('moodle/site:viewfullnames',
$this->get_course_context()),
$this->is_blind_marking(),
$this->get_uniqueid_for_user($user->id),
$extrauserfields,
!$this->is_active_user($userid)));
$usercount += 1;
}
$formparams = array(
'userscount' => count($userlist),
'usershtml' => $usershtml,
'markingworkflowstates' => $this->get_marking_workflow_states_for_current_user()
);
$mform = new mod_assign_batch_set_marking_workflow_state_form(null, $formparams);
$mform->set_data($formdata); // Initialises the hidden elements.
$o .= $this->get_renderer()->header();
$o .= $this->get_renderer()->render(new assign_form('setworkflowstate', $mform));
$o .= $this->view_footer();
\mod_assign\event\batch_set_workflow_state_viewed::create_from_assign($this)->trigger();
return $o;
}
/**
* Shows a form that allows the allocated marker for selected submissions to be changed.
*
* @param moodleform $mform Set to a grading batch operations form
* @return string - the page to view after processing these actions
*/
public function view_batch_markingallocation($mform) {
global $CFG, $DB;
require_once($CFG->dirroot . '/mod/assign/batchsetallocatedmarkerform.php');
$o = '';
$submitteddata = $mform->get_data();
$users = $submitteddata->selectedusers;
$userlist = explode(',', $users);
$formdata = array('id' => $this->get_course_module()->id,
'selectedusers' => $users);
$usershtml = '';
$usercount = 0;
$extrauserfields = get_extra_user_fields($this->get_context());
foreach ($userlist as $userid) {
if ($usercount >= 5) {
$usershtml .= get_string('moreusers', 'assign', count($userlist) - 5);
break;
}
$user = $DB->get_record('user', array('id'=>$userid), '*', MUST_EXIST);
$usershtml .= $this->get_renderer()->render(new assign_user_summary($user,
$this->get_course()->id,
has_capability('moodle/site:viewfullnames',
$this->get_course_context()),
$this->is_blind_marking(),
$this->get_uniqueid_for_user($user->id),
$extrauserfields,
!$this->is_active_user($userid)));
$usercount += 1;
}
$formparams = array(
'userscount' => count($userlist),
'usershtml' => $usershtml,
);
$markers = get_users_by_capability($this->get_context(), 'mod/assign:grade');
$markerlist = array();
foreach ($markers as $marker) {
$markerlist[$marker->id] = fullname($marker);
}
$formparams['markers'] = $markerlist;
$mform = new mod_assign_batch_set_allocatedmarker_form(null, $formparams);
$mform->set_data($formdata); // Initialises the hidden elements.
$o .= $this->get_renderer()->header();
$o .= $this->get_renderer()->render(new assign_form('setworkflowstate', $mform));
$o .= $this->view_footer();
\mod_assign\event\batch_set_marker_allocation_viewed::create_from_assign($this)->trigger();
return $o;
}
/**
* Ask the user to confirm they want to submit their work for grading.
*
* @param moodleform $mform - null unless form validation has failed
* @return string
*/
protected function check_submit_for_grading($mform) {
global $USER, $CFG;
require_once($CFG->dirroot . '/mod/assign/submissionconfirmform.php');
// Check that all of the submission plugins are ready for this submission.
$notifications = array();
$submission = $this->get_user_submission($USER->id, false);
$plugins = $this->get_submission_plugins();
foreach ($plugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
$check = $plugin->precheck_submission($submission);
if ($check !== true) {
$notifications[] = $check;
}
}
}
$data = new stdClass();
$adminconfig = $this->get_admin_config();
$requiresubmissionstatement = $this->get_instance()->requiresubmissionstatement &&
!empty($adminconfig->submissionstatement);
$submissionstatement = '';
if (!empty($adminconfig->submissionstatement)) {
// Format the submissino statement before its sent. We turn off para because this is going within
// a form element.
$options = array(
'context' => $this->get_context(),
'para' => false
);
$submissionstatement = format_text($adminconfig->submissionstatement, FORMAT_MOODLE, $options);
}
if ($mform == null) {
$mform = new mod_assign_confirm_submission_form(null, array($requiresubmissionstatement,
$submissionstatement,
$this->get_course_module()->id,
$data));
}
$o = '';
$o .= $this->get_renderer()->header();
$submitforgradingpage = new assign_submit_for_grading_page($notifications,
$this->get_course_module()->id,
$mform);
$o .= $this->get_renderer()->render($submitforgradingpage);
$o .= $this->view_footer();
\mod_assign\event\submission_confirmation_form_viewed::create_from_assign($this)->trigger();
return $o;
}
/**
* Print 2 tables of information with no action links -
* the submission summary and the grading summary.
*
* @param stdClass $user the user to print the report for
* @param bool $showlinks - Return plain text or links to the profile
* @return string - the html summary
*/
public function view_student_summary($user, $showlinks) {
global $CFG, $DB, $PAGE;
$instance = $this->get_instance();
$grade = $this->get_user_grade($user->id, false);
$flags = $this->get_user_flags($user->id, false);
$submission = $this->get_user_submission($user->id, false);
$o = '';
$teamsubmission = null;
$submissiongroup = null;
$notsubmitted = array();
if ($instance->teamsubmission) {
$teamsubmission = $this->get_group_submission($user->id, 0, false);
$submissiongroup = $this->get_submission_group($user->id);
$groupid = 0;
if ($submissiongroup) {
$groupid = $submissiongroup->id;
}
$notsubmitted = $this->get_submission_group_members_who_have_not_submitted($groupid, false);
}
if ($this->can_view_submission($user->id)) {
$showedit = $showlinks &&
($this->is_any_submission_plugin_enabled()) &&
$this->can_edit_submission($user->id);
$gradelocked = ($flags && $flags->locked) || $this->grading_disabled($user->id, false);
// Grading criteria preview.
$gradingmanager = get_grading_manager($this->context, 'mod_assign', 'submissions');
$gradingcontrollerpreview = '';
if ($gradingmethod = $gradingmanager->get_active_method()) {
$controller = $gradingmanager->get_controller($gradingmethod);
if ($controller->is_form_defined()) {
$gradingcontrollerpreview = $controller->render_preview($PAGE);
}
}
$showsubmit = ($showlinks && $this->submissions_open($user->id));
$showsubmit = ($showsubmit && $this->show_submit_button($submission, $teamsubmission));
$extensionduedate = null;
if ($flags) {
$extensionduedate = $flags->extensionduedate;
}
$viewfullnames = has_capability('moodle/site:viewfullnames', $this->get_course_context());
$submissionstatus = new assign_submission_status($instance->allowsubmissionsfromdate,
$instance->alwaysshowdescription,
$submission,
$instance->teamsubmission,
$teamsubmission,
$submissiongroup,
$notsubmitted,
$this->is_any_submission_plugin_enabled(),
$gradelocked,
$this->is_graded($user->id),
$instance->duedate,
$instance->cutoffdate,
$this->get_submission_plugins(),
$this->get_return_action(),
$this->get_return_params(),
$this->get_course_module()->id,
$this->get_course()->id,
assign_submission_status::STUDENT_VIEW,
$showedit,
$showsubmit,
$viewfullnames,
$extensionduedate,
$this->get_context(),
$this->is_blind_marking(),
$gradingcontrollerpreview,
$instance->attemptreopenmethod,
$instance->maxattempts);
if (has_capability('mod/assign:submit', $this->get_context(), $user)) {
$o .= $this->get_renderer()->render($submissionstatus);
}
require_once($CFG->libdir.'/gradelib.php');
require_once($CFG->dirroot.'/grade/grading/lib.php');
$gradinginfo = grade_get_grades($this->get_course()->id,
'mod',
'assign',
$instance->id,
$user->id);
$gradingitem = null;
$gradebookgrade = null;
if (isset($gradinginfo->items[0])) {
$gradingitem = $gradinginfo->items[0];
$gradebookgrade = $gradingitem->grades[$user->id];
}
// Check to see if all feedback plugins are empty.
$emptyplugins = true;
if ($grade) {
foreach ($this->get_feedback_plugins() as $plugin) {
if ($plugin->is_visible() && $plugin->is_enabled()) {
if (!$plugin->is_empty($grade)) {
$emptyplugins = false;
}
}
}
}
$gradereleased = true;
if ($this->get_instance()->markingworkflow &&
(empty($grade) || $flags->workflowstate != ASSIGN_MARKING_WORKFLOW_STATE_RELEASED)) {
$gradereleased = false;
$emptyplugins = true; // Don't show feedback plugins until released either.
}
$cangrade = has_capability('mod/assign:grade', $this->get_context());
// If there is a visible grade, show the summary.
if ((!empty($gradebookgrade->grade) || !$emptyplugins)
&& ($cangrade || !$gradebookgrade->hidden)) {
$gradefordisplay = null;
$gradeddate = null;
$grader = null;
$gradingmanager = get_grading_manager($this->get_context(), 'mod_assign', 'submissions');
// Only show the grade if it is not hidden in gradebook.
if (!empty($gradebookgrade->grade) && ($cangrade || !$gradebookgrade->hidden)) {
if ($controller = $gradingmanager->get_active_controller()) {
$menu = make_grades_menu($this->get_instance()->grade);
$controller->set_grade_range($menu, $this->get_instance()->grade > 0);
$gradefordisplay = $controller->render_grade($PAGE,
$grade->id,
$gradingitem,
$gradebookgrade->str_long_grade,
$cangrade);
} else {
$gradefordisplay = $this->display_grade($gradebookgrade->grade, false);
}
$gradeddate = $gradebookgrade->dategraded;
if (isset($grade->grader)) {
$grader = $DB->get_record('user', array('id'=>$grade->grader));
}
}
$feedbackstatus = new assign_feedback_status($gradefordisplay,
$gradeddate,
$grader,
$this->get_feedback_plugins(),
$grade,
$this->get_course_module()->id,
$this->get_return_action(),
$this->get_return_params());
$o .= $this->get_renderer()->render($feedbackstatus);
}
$allsubmissions = $this->get_all_submissions($user->id);
if (count($allsubmissions) > 1) {
$allgrades = $this->get_all_grades($user->id);
$history = new assign_attempt_history($allsubmissions,
$allgrades,
$this->get_submission_plugins(),
$this->get_feedback_plugins(),
$this->get_course_module()->id,
$this->get_return_action(),
$this->get_return_params(),
false,
0,
0);
$o .= $this->get_renderer()->render($history);
}
}
return $o;
}
/**
* Returns true if the submit subsission button should be shown to the user.
*
* @param stdClass $submission The users own submission record.
* @param stdClass $teamsubmission The users team submission record if there is one
* @return bool
*/
protected function show_submit_button($submission = null, $teamsubmission = null) {
if ($teamsubmission) {
if ($teamsubmission->status === ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
// The assignment submission has been completed.
return false;
} else if ($this->submission_empty($teamsubmission)) {
// There is nothing to submit yet.
return false;
} else if ($submission && $submission->status === ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
// The user has already clicked the submit button on the team submission.
return false;
}
} else if ($submission) {
if ($submission->status === ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
// The assignment submission has been completed.
return false;
} else if ($this->submission_empty($submission)) {
// There is nothing to submit.
return false;
}
} else {
// We've not got a valid submission or team submission.
return false;
}
// Last check is that this instance allows drafts.
return $this->get_instance()->submissiondrafts;
}
/**
* Get the grades for all previous attempts.
* For each grade - the grader is a full user record,
* and gradefordisplay is added (rendered from grading manager).
*
* @param int $userid If not set, $USER->id will be used.
* @return array $grades All grade records for this user.
*/
protected function get_all_grades($userid) {
global $DB, $USER, $PAGE;
// If the userid is not null then use userid.
if (!$userid) {
$userid = $USER->id;
}
$params = array('assignment'=>$this->get_instance()->id, 'userid'=>$userid);
$grades = $DB->get_records('assign_grades', $params, 'attemptnumber ASC');
$gradercache = array();
$cangrade = has_capability('mod/assign:grade', $this->get_context());
// Need gradingitem and gradingmanager.
$gradingmanager = get_grading_manager($this->get_context(), 'mod_assign', 'submissions');
$controller = $gradingmanager->get_active_controller();
$gradinginfo = grade_get_grades($this->get_course()->id,
'mod',
'assign',
$this->get_instance()->id,
$userid);
$gradingitem = null;
if (isset($gradinginfo->items[0])) {
$gradingitem = $gradinginfo->items[0];
}
foreach ($grades as $grade) {
// First lookup the grader info.
if (isset($gradercache[$grade->grader])) {
$grade->grader = $gradercache[$grade->grader];
} else {
// Not in cache - need to load the grader record.
$grade->grader = $DB->get_record('user', array('id'=>$grade->grader));
$gradercache[$grade->grader->id] = $grade->grader;
}
// Now get the gradefordisplay.
if ($controller) {
$controller->set_grade_range(make_grades_menu($this->get_instance()->grade), $this->get_instance()->grade > 0);
$grade->gradefordisplay = $controller->render_grade($PAGE,
$grade->id,
$gradingitem,
$grade->grade,
$cangrade);
} else {
$grade->gradefordisplay = $this->display_grade($grade->grade, false);
}
}
return $grades;
}
/**
* Get the submissions for all previous attempts.
*
* @param int $userid If not set, $USER->id will be used.
* @return array $submissions All submission records for this user (or group).
*/
protected function get_all_submissions($userid) {
global $DB, $USER;
// If the userid is not null then use userid.
if (!$userid) {
$userid = $USER->id;
}
$params = array();
if ($this->get_instance()->teamsubmission) {
$groupid = 0;
$group = $this->get_submission_group($userid);
if ($group) {
$groupid = $group->id;
}
// Params to get the group submissions.
$params = array('assignment'=>$this->get_instance()->id, 'groupid'=>$groupid, 'userid'=>0);
} else {
// Params to get the user submissions.
$params = array('assignment'=>$this->get_instance()->id, 'userid'=>$userid);
}
// Return the submissions ordered by attempt.
$submissions = $DB->get_records('assign_submission', $params, 'attemptnumber ASC');
return $submissions;
}
/**
* View submissions page (contains details of current submission).
*
* @return string
*/
protected function view_submission_page() {
global $CFG, $DB, $USER, $PAGE;
$instance = $this->get_instance();
$o = '';
$postfix = '';
if ($this->has_visible_attachments()) {
$postfix = $this->render_area_files('mod_assign', ASSIGN_INTROATTACHMENT_FILEAREA, 0);
}
$o .= $this->get_renderer()->render(new assign_header($instance,
$this->get_context(),
$this->show_intro(),
$this->get_course_module()->id,
'', '', $postfix));
// Display plugin specific headers.
$plugins = array_merge($this->get_submission_plugins(), $this->get_feedback_plugins());
foreach ($plugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
$o .= $this->get_renderer()->render(new assign_plugin_header($plugin));
}
}
if ($this->can_view_grades()) {
$draft = ASSIGN_SUBMISSION_STATUS_DRAFT;
$submitted = ASSIGN_SUBMISSION_STATUS_SUBMITTED;
if ($instance->teamsubmission) {
$summary = new assign_grading_summary($this->count_teams(),
$instance->submissiondrafts,
$this->count_submissions_with_status($draft),
$this->is_any_submission_plugin_enabled(),
$this->count_submissions_with_status($submitted),
$instance->cutoffdate,
$instance->duedate,
$this->get_course_module()->id,
$this->count_submissions_need_grading(),
$instance->teamsubmission);
$o .= $this->get_renderer()->render($summary);
} else {
$summary = new assign_grading_summary($this->count_participants(0),
$instance->submissiondrafts,
$this->count_submissions_with_status($draft),
$this->is_any_submission_plugin_enabled(),
$this->count_submissions_with_status($submitted),
$instance->cutoffdate,
$instance->duedate,
$this->get_course_module()->id,
$this->count_submissions_need_grading(),
$instance->teamsubmission);
$o .= $this->get_renderer()->render($summary);
}
}
$grade = $this->get_user_grade($USER->id, false);
$submission = $this->get_user_submission($USER->id, false);
if ($this->can_view_submission($USER->id)) {
$o .= $this->view_student_summary($USER, true);
}
$o .= $this->view_footer();
\mod_assign\event\submission_status_viewed::create_from_assign($this)->trigger();
return $o;
}
/**
* Convert the final raw grade(s) in the grading table for the gradebook.
*
* @param stdClass $grade
* @return array
*/
protected function convert_grade_for_gradebook(stdClass $grade) {
$gradebookgrade = array();
if ($grade->grade >= 0) {
$gradebookgrade['rawgrade'] = $grade->grade;
}
// Allow "no grade" to be chosen.
if ($grade->grade == -1) {
$gradebookgrade['rawgrade'] = NULL;
}
$gradebookgrade['userid'] = $grade->userid;
$gradebookgrade['usermodified'] = $grade->grader;
$gradebookgrade['datesubmitted'] = null;
$gradebookgrade['dategraded'] = $grade->timemodified;
if (isset($grade->feedbackformat)) {
$gradebookgrade['feedbackformat'] = $grade->feedbackformat;
}
if (isset($grade->feedbacktext)) {
$gradebookgrade['feedback'] = $grade->feedbacktext;
}
return $gradebookgrade;
}
/**
* Convert submission details for the gradebook.
*
* @param stdClass $submission
* @return array
*/
protected function convert_submission_for_gradebook(stdClass $submission) {
$gradebookgrade = array();
$gradebookgrade['userid'] = $submission->userid;
$gradebookgrade['usermodified'] = $submission->userid;
$gradebookgrade['datesubmitted'] = $submission->timemodified;
return $gradebookgrade;
}
/**
* Update grades in the gradebook.
*
* @param mixed $submission stdClass|null
* @param mixed $grade stdClass|null
* @return bool
*/
protected function gradebook_item_update($submission=null, $grade=null) {
global $CFG;
require_once($CFG->dirroot.'/mod/assign/lib.php');
// Do not push grade to gradebook if blind marking is active as
// the gradebook would reveal the students.
if ($this->is_blind_marking()) {
return false;
}
// If marking workflow is enabled and grade is not released then don't send to gradebook yet.
if ($this->get_instance()->markingworkflow && !empty($grade)) {
$flags = $this->get_user_flags($grade->userid, false);
if (empty($flags->workflowstate) || $flags->workflowstate != ASSIGN_MARKING_WORKFLOW_STATE_RELEASED) {
return false;
}
}
if ($submission != null) {
if ($submission->userid == 0) {
// This is a group submission update.
$team = groups_get_members($submission->groupid, 'u.id');
foreach ($team as $member) {
$membersubmission = clone $submission;
$membersubmission->groupid = 0;
$membersubmission->userid = $member->id;
$this->gradebook_item_update($membersubmission, null);
}
return;
}
$gradebookgrade = $this->convert_submission_for_gradebook($submission);
} else {
$gradebookgrade = $this->convert_grade_for_gradebook($grade);
}
// Grading is disabled, return.
if ($this->grading_disabled($gradebookgrade['userid'])) {
return false;
}
$assign = clone $this->get_instance();
$assign->cmidnumber = $this->get_course_module()->idnumber;
// Set assign gradebook feedback plugin status (enabled and visible).
$assign->gradefeedbackenabled = $this->is_gradebook_feedback_enabled();
return assign_grade_item_update($assign, $gradebookgrade);
}
/**
* Update team submission.
*
* @param stdClass $submission
* @param int $userid
* @param bool $updatetime
* @return bool
*/
protected function update_team_submission(stdClass $submission, $userid, $updatetime) {
global $DB;
if ($updatetime) {
$submission->timemodified = time();
}
// First update the submission for the current user.
$mysubmission = $this->get_user_submission($userid, true, $submission->attemptnumber);
$mysubmission->status = $submission->status;
$this->update_submission($mysubmission, 0, $updatetime, false);
// Now check the team settings to see if this assignment qualifies as submitted or draft.
$team = $this->get_submission_group_members($submission->groupid, true);
$allsubmitted = true;
$anysubmitted = false;
$result = true;
if ($submission->status != ASSIGN_SUBMISSION_STATUS_REOPENED) {
foreach ($team as $member) {
$membersubmission = $this->get_user_submission($member->id, false, $submission->attemptnumber);
// If no submission found for team member and member is active then everyone has not submitted.
if (!$membersubmission || $membersubmission->status != ASSIGN_SUBMISSION_STATUS_SUBMITTED
&& ($this->is_active_user($member->id))) {
$allsubmitted = false;
if ($anysubmitted) {
break;
}
} else {
$anysubmitted = true;
}
}
if ($this->get_instance()->requireallteammemberssubmit) {
if ($allsubmitted) {
$submission->status = ASSIGN_SUBMISSION_STATUS_SUBMITTED;
} else {
$submission->status = ASSIGN_SUBMISSION_STATUS_DRAFT;
}
$result = $DB->update_record('assign_submission', $submission);
} else {
if ($anysubmitted) {
$submission->status = ASSIGN_SUBMISSION_STATUS_SUBMITTED;
} else {
$submission->status = ASSIGN_SUBMISSION_STATUS_DRAFT;
}
$result = $DB->update_record('assign_submission', $submission);
}
} else {
// Set the group submission to reopened.
foreach ($team as $member) {
$membersubmission = $this->get_user_submission($member->id, true, $submission->attemptnumber);
$membersubmission->status = ASSIGN_SUBMISSION_STATUS_REOPENED;
$result = $DB->update_record('assign_submission', $membersubmission) && $result;
}
$result = $DB->update_record('assign_submission', $submission) && $result;
}
$this->gradebook_item_update($submission);
return $result;
}
/**
* Update grades in the gradebook based on submission time.
*
* @param stdClass $submission
* @param int $userid
* @param bool $updatetime
* @param bool $teamsubmission
* @return bool
*/
protected function update_submission(stdClass $submission, $userid, $updatetime, $teamsubmission) {
global $DB;
if ($teamsubmission) {
return $this->update_team_submission($submission, $userid, $updatetime);
}
if ($updatetime) {
$submission->timemodified = time();
}
$result= $DB->update_record('assign_submission', $submission);
if ($result) {
$this->gradebook_item_update($submission);
}
return $result;
}
/**
* Is this assignment open for submissions?
*
* Check the due date,
* prevent late submissions,
* has this person already submitted,
* is the assignment locked?
*
* @param int $userid - Optional userid so we can see if a different user can submit
* @param bool $skipenrolled - Skip enrollment checks (because they have been done already)
* @param stdClass $submission - Pre-fetched submission record (or false to fetch it)
* @param stdClass $flags - Pre-fetched user flags record (or false to fetch it)
* @param stdClass $gradinginfo - Pre-fetched user gradinginfo record (or false to fetch it)
* @return bool
*/
public function submissions_open($userid = 0,
$skipenrolled = false,
$submission = false,
$flags = false,
$gradinginfo = false) {
global $USER;
if (!$userid) {
$userid = $USER->id;
}
$time = time();
$dateopen = true;
$finaldate = false;
if ($this->get_instance()->cutoffdate) {
$finaldate = $this->get_instance()->cutoffdate;
}
if ($flags === false) {
$flags = $this->get_user_flags($userid, false);
}
if ($flags && $flags->locked) {
return false;
}
// User extensions.
if ($finaldate) {
if ($flags && $flags->extensionduedate) {
// Extension can be before cut off date.
if ($flags->extensionduedate > $finaldate) {
$finaldate = $flags->extensionduedate;
}
}
}
if ($finaldate) {
$dateopen = ($this->get_instance()->allowsubmissionsfromdate <= $time && $time <= $finaldate);
} else {
$dateopen = ($this->get_instance()->allowsubmissionsfromdate <= $time);
}
if (!$dateopen) {
return false;
}
// Now check if this user has already submitted etc.
if (!$skipenrolled && !is_enrolled($this->get_course_context(), $userid)) {
return false;
}
// Note you can pass null for submission and it will not be fetched.
if ($submission === false) {
if ($this->get_instance()->teamsubmission) {
$submission = $this->get_group_submission($userid, 0, false);
} else {
$submission = $this->get_user_submission($userid, false);
}
}
if ($submission) {
if ($this->get_instance()->submissiondrafts && $submission->status == ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
// Drafts are tracked and the student has submitted the assignment.
return false;
}
}
// See if this user grade is locked in the gradebook.
if ($gradinginfo === false) {
$gradinginfo = grade_get_grades($this->get_course()->id,
'mod',
'assign',
$this->get_instance()->id,
array($userid));
}
if ($gradinginfo &&
isset($gradinginfo->items[0]->grades[$userid]) &&
$gradinginfo->items[0]->grades[$userid]->locked) {
return false;
}
return true;
}
/**
* Render the files in file area.
*
* @param string $component
* @param string $area
* @param int $submissionid
* @return string
*/
public function render_area_files($component, $area, $submissionid) {
global $USER;
$fs = get_file_storage();
$browser = get_file_browser();
$files = $fs->get_area_files($this->get_context()->id,
$component,
$area,
$submissionid,
'timemodified',
false);
return $this->get_renderer()->assign_files($this->context, $submissionid, $area, $component);
}
/**
* Capability check to make sure this grader can edit this submission.
*
* @param int $userid - The user whose submission is to be edited
* @param int $graderid (optional) - The user who will do the editing (default to $USER->id).
* @return bool
*/
public function can_edit_submission($userid, $graderid = 0) {
global $USER;
if (empty($graderid)) {
$graderid = $USER->id;
}
if ($userid == $graderid &&
$this->submissions_open($userid) &&
has_capability('mod/assign:submit', $this->context, $graderid)) {
// User can edit their own submission.
return true;
}
if (!has_capability('mod/assign:editothersubmission', $this->context, $graderid)) {
return false;
}
$cm = $this->get_course_module();
if (groups_get_activity_groupmode($cm) == SEPARATEGROUPS) {
// These arrays are indexed by groupid.
$studentgroups = array_keys(groups_get_activity_allowed_groups($cm, $userid));
$gradergroups = array_keys(groups_get_activity_allowed_groups($cm, $graderid));
return count(array_intersect($studentgroups, $gradergroups)) > 0;
}
return true;
}
/**
* Returns a list of teachers that should be grading given submission.
*
* @param int $userid The submission to grade
* @return array
*/
protected function get_graders($userid) {
// Potential graders should be active users only.
$potentialgraders = get_enrolled_users($this->context, "mod/assign:grade", null, 'u.*', null, null, null, true);
$graders = array();
if (groups_get_activity_groupmode($this->get_course_module()) == SEPARATEGROUPS) {
if ($groups = groups_get_all_groups($this->get_course()->id, $userid, $this->get_course_module()->groupingid)) {
foreach ($groups as $group) {
foreach ($potentialgraders as $grader) {
if ($grader->id == $userid) {
// Do not send self.
continue;
}
if (groups_is_member($group->id, $grader->id)) {
$graders[$grader->id] = $grader;
}
}
}
} else {
// User not in group, try to find graders without group.
foreach ($potentialgraders as $grader) {
if ($grader->id == $userid) {
// Do not send self.
continue;
}
if (!groups_has_membership($this->get_course_module(), $grader->id)) {
$graders[$grader->id] = $grader;
}
}
}
} else {
foreach ($potentialgraders as $grader) {
if ($grader->id == $userid) {
// Do not send self.
continue;
}
// Must be enrolled.
if (is_enrolled($this->get_course_context(), $grader->id)) {
$graders[$grader->id] = $grader;
}
}
}
return $graders;
}
/**
* Returns a list of users that should receive notification about given submission.
*
* @param int $userid The submission to grade
* @return array
*/
protected function get_notifiable_users($userid) {
// Potential users should be active users only.
$potentialusers = get_enrolled_users($this->context, "mod/assign:receivegradernotifications",
null, 'u.*', null, null, null, true);
$notifiableusers = array();
if (groups_get_activity_groupmode($this->get_course_module()) == SEPARATEGROUPS) {
if ($groups = groups_get_all_groups($this->get_course()->id, $userid, $this->get_course_module()->groupingid)) {
foreach ($groups as $group) {
foreach ($potentialusers as $potentialuser) {
if ($potentialuser->id == $userid) {
// Do not send self.
continue;
}
if (groups_is_member($group->id, $potentialuser->id)) {
$notifiableusers[$potentialuser->id] = $potentialuser;
}
}
}
} else {
// User not in group, try to find graders without group.
foreach ($potentialusers as $potentialuser) {
if ($potentialuser->id == $userid) {
// Do not send self.
continue;
}
if (!groups_has_membership($this->get_course_module(), $potentialuser->id)) {
$notifiableusers[$potentialuser->id] = $potentialuser;
}
}
}
} else {
foreach ($potentialusers as $potentialuser) {
if ($potentialuser->id == $userid) {
// Do not send self.
continue;
}
// Must be enrolled.
if (is_enrolled($this->get_course_context(), $potentialuser->id)) {
$notifiableusers[$potentialuser->id] = $potentialuser;
}
}
}
return $notifiableusers;
}
/**
* Format a notification for plain text.
*
* @param string $messagetype
* @param stdClass $info
* @param stdClass $course
* @param stdClass $context
* @param string $modulename
* @param string $assignmentname
*/
protected static function format_notification_message_text($messagetype,
$info,
$course,
$context,
$modulename,
$assignmentname) {
$formatparams = array('context' => $context->get_course_context());
$posttext = format_string($course->shortname, true, $formatparams) .
' -> ' .
$modulename .
' -> ' .
format_string($assignmentname, true, $formatparams) . "\n";
$posttext .= '---------------------------------------------------------------------' . "\n";
$posttext .= get_string($messagetype . 'text', 'assign', $info)."\n";
$posttext .= "\n---------------------------------------------------------------------\n";
return $posttext;
}
/**
* Format a notification for HTML.
*
* @param string $messagetype
* @param stdClass $info
* @param stdClass $course
* @param stdClass $context
* @param string $modulename
* @param stdClass $coursemodule
* @param string $assignmentname
*/
protected static function format_notification_message_html($messagetype,
$info,
$course,
$context,
$modulename,
$coursemodule,
$assignmentname) {
global $CFG;
$formatparams = array('context' => $context->get_course_context());
$posthtml = '
';
$posthtml .= '';
return $posthtml;
}
/**
* Message someone about something (static so it can be called from cron).
*
* @param stdClass $userfrom
* @param stdClass $userto
* @param string $messagetype
* @param string $eventtype
* @param int $updatetime
* @param stdClass $coursemodule
* @param stdClass $context
* @param stdClass $course
* @param string $modulename
* @param string $assignmentname
* @param bool $blindmarking
* @param int $uniqueidforuser
* @return void
*/
public static function send_assignment_notification($userfrom,
$userto,
$messagetype,
$eventtype,
$updatetime,
$coursemodule,
$context,
$course,
$modulename,
$assignmentname,
$blindmarking,
$uniqueidforuser) {
global $CFG;
$info = new stdClass();
if ($blindmarking) {
$userfrom = clone($userfrom);
$info->username = get_string('participant', 'assign') . ' ' . $uniqueidforuser;
$userfrom->firstname = get_string('participant', 'assign');
$userfrom->lastname = $uniqueidforuser;
$userfrom->email = $CFG->noreplyaddress;
} else {
$info->username = fullname($userfrom, true);
}
$info->assignment = format_string($assignmentname, true, array('context'=>$context));
$info->url = $CFG->wwwroot.'/mod/assign/view.php?id='.$coursemodule->id;
$info->timeupdated = userdate($updatetime, get_string('strftimerecentfull'));
$postsubject = get_string($messagetype . 'small', 'assign', $info);
$posttext = self::format_notification_message_text($messagetype,
$info,
$course,
$context,
$modulename,
$assignmentname);
$posthtml = '';
if ($userto->mailformat == 1) {
$posthtml = self::format_notification_message_html($messagetype,
$info,
$course,
$context,
$modulename,
$coursemodule,
$assignmentname);
}
$eventdata = new stdClass();
$eventdata->modulename = 'assign';
$eventdata->userfrom = $userfrom;
$eventdata->userto = $userto;
$eventdata->subject = $postsubject;
$eventdata->fullmessage = $posttext;
$eventdata->fullmessageformat = FORMAT_PLAIN;
$eventdata->fullmessagehtml = $posthtml;
$eventdata->smallmessage = $postsubject;
$eventdata->name = $eventtype;
$eventdata->component = 'mod_assign';
$eventdata->notification = 1;
$eventdata->contexturl = $info->url;
$eventdata->contexturlname = $info->assignment;
message_send($eventdata);
}
/**
* Message someone about something.
*
* @param stdClass $userfrom
* @param stdClass $userto
* @param string $messagetype
* @param string $eventtype
* @param int $updatetime
* @return void
*/
public function send_notification($userfrom,
$userto,
$messagetype,
$eventtype,
$updatetime) {
self::send_assignment_notification($userfrom,
$userto,
$messagetype,
$eventtype,
$updatetime,
$this->get_course_module(),
$this->get_context(),
$this->get_course(),
$this->get_module_name(),
$this->get_instance()->name,
$this->is_blind_marking(),
$this->get_uniqueid_for_user($userfrom->id));
}
/**
* Notify student upon successful submission copy.
*
* @param stdClass $submission
* @return void
*/
protected function notify_student_submission_copied(stdClass $submission) {
global $DB, $USER;
$adminconfig = $this->get_admin_config();
// Use the same setting for this - no need for another one.
if (empty($adminconfig->submissionreceipts)) {
// No need to do anything.
return;
}
if ($submission->userid) {
$user = $DB->get_record('user', array('id'=>$submission->userid), '*', MUST_EXIST);
} else {
$user = $USER;
}
$this->send_notification($user,
$user,
'submissioncopied',
'assign_notification',
$submission->timemodified);
}
/**
* Notify student upon successful submission.
*
* @param stdClass $submission
* @return void
*/
protected function notify_student_submission_receipt(stdClass $submission) {
global $DB, $USER;
$adminconfig = $this->get_admin_config();
if (empty($adminconfig->submissionreceipts)) {
// No need to do anything.
return;
}
if ($submission->userid) {
$user = $DB->get_record('user', array('id'=>$submission->userid), '*', MUST_EXIST);
} else {
$user = $USER;
}
if ($submission->userid == $USER->id) {
$this->send_notification(core_user::get_noreply_user(),
$user,
'submissionreceipt',
'assign_notification',
$submission->timemodified);
} else {
$this->send_notification($USER,
$user,
'submissionreceiptother',
'assign_notification',
$submission->timemodified);
}
}
/**
* Send notifications to graders upon student submissions.
*
* @param stdClass $submission
* @return void
*/
protected function notify_graders(stdClass $submission) {
global $DB, $USER;
$instance = $this->get_instance();
$late = $instance->duedate && ($instance->duedate < time());
if (!$instance->sendnotifications && !($late && $instance->sendlatenotifications)) {
// No need to do anything.
return;
}
if ($submission->userid) {
$user = $DB->get_record('user', array('id'=>$submission->userid), '*', MUST_EXIST);
} else {
$user = $USER;
}
if ($notifyusers = $this->get_notifiable_users($user->id)) {
foreach ($notifyusers as $notifyuser) {
$this->send_notification($user,
$notifyuser,
'gradersubmissionupdated',
'assign_notification',
$submission->timemodified);
}
}
}
/**
* Submit a submission for grading.
*
* @param stdClass $data - The form data
* @param array $notices - List of error messages to display on an error condition.
* @return bool Return false if the submission was not submitted.
*/
public function submit_for_grading($data, $notices) {
global $USER;
$userid = $USER->id;
if (!empty($data->userid)) {
$userid = $data->userid;
}
// Need submit permission to submit an assignment.
if ($userid == $USER->id) {
require_capability('mod/assign:submit', $this->context);
} else {
if (!$this->can_edit_submission($userid, $USER->id)) {
print_error('nopermission');
}
}
$instance = $this->get_instance();
if ($instance->teamsubmission) {
$submission = $this->get_group_submission($userid, 0, true);
} else {
$submission = $this->get_user_submission($userid, true);
}
if (!$this->submissions_open($userid)) {
$notices[] = get_string('submissionsclosed', 'assign');
return false;
}
if ($instance->requiresubmissionstatement && empty($data->submissionstatement) && $USER->id == $userid) {
return false;
}
if ($submission->status != ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
// Give each submission plugin a chance to process the submission.
$plugins = $this->get_submission_plugins();
foreach ($plugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
$plugin->submit_for_grading($submission);
}
}
$submission->status = ASSIGN_SUBMISSION_STATUS_SUBMITTED;
$this->update_submission($submission, $userid, true, $instance->teamsubmission);
$completion = new completion_info($this->get_course());
if ($completion->is_enabled($this->get_course_module()) && $instance->completionsubmit) {
$completion->update_state($this->get_course_module(), COMPLETION_COMPLETE, $userid);
}
if (!empty($data->submissionstatement) && $USER->id == $userid) {
\mod_assign\event\statement_accepted::create_from_submission($this, $submission)->trigger();
}
$this->notify_graders($submission);
$this->notify_student_submission_receipt($submission);
\mod_assign\event\assessable_submitted::create_from_submission($this, $submission, false)->trigger();
return true;
}
$notices[] = get_string('submissionsclosed', 'assign');
return false;
}
/**
* A students submission is submitted for grading by a teacher.
*
* @return bool
*/
protected function process_submit_other_for_grading($mform, $notices) {
global $USER, $CFG;
require_sesskey();
$userid = optional_param('userid', $USER->id, PARAM_INT);
if (!$this->submissions_open($userid)) {
$notices[] = get_string('submissionsclosed', 'assign');
return false;
}
$data = new stdClass();
$data->userid = $userid;
return $this->submit_for_grading($data, $notices);
}
/**
* Assignment submission is processed before grading.
*
* @param moodleform|null $mform If validation failed when submitting this form - this is the moodleform.
* It can be null.
* @return bool Return false if the validation fails. This affects which page is displayed next.
*/
protected function process_submit_for_grading($mform, $notices) {
global $CFG;
require_once($CFG->dirroot . '/mod/assign/submissionconfirmform.php');
require_sesskey();
if (!$this->submissions_open()) {
$notices[] = get_string('submissionsclosed', 'assign');
return false;
}
$instance = $this->get_instance();
$data = new stdClass();
$adminconfig = $this->get_admin_config();
$requiresubmissionstatement = $instance->requiresubmissionstatement &&
!empty($adminconfig->submissionstatement);
$submissionstatement = '';
if (!empty($adminconfig->submissionstatement)) {
// Format the submissino statement before its sent. We turn off para because this is going within
// a form element.
$options = array(
'context' => $this->get_context(),
'para' => false
);
$submissionstatement = format_text($adminconfig->submissionstatement, FORMAT_MOODLE, $options);
}
if ($mform == null) {
$mform = new mod_assign_confirm_submission_form(null, array($requiresubmissionstatement,
$submissionstatement,
$this->get_course_module()->id,
$data));
}
$data = $mform->get_data();
if (!$mform->is_cancelled()) {
if ($mform->get_data() == false) {
return false;
}
return $this->submit_for_grading($data, $notices);
}
return true;
}
/**
* Save the extension date for a single user.
*
* @param int $userid The user id
* @param mixed $extensionduedate Either an integer date or null
* @return boolean
*/
public function save_user_extension($userid, $extensionduedate) {
global $DB;
// Need submit permission to submit an assignment.
require_capability('mod/assign:grantextension', $this->context);
if (!is_enrolled($this->get_course_context(), $userid)) {
return false;
}
if (!has_capability('mod/assign:submit', $this->context, $userid)) {
return false;
}
if ($this->get_instance()->duedate && $extensionduedate) {
if ($this->get_instance()->duedate > $extensionduedate) {
return false;
}
}
if ($this->get_instance()->allowsubmissionsfromdate && $extensionduedate) {
if ($this->get_instance()->allowsubmissionsfromdate > $extensionduedate) {
return false;
}
}
$flags = $this->get_user_flags($userid, true);
$flags->extensionduedate = $extensionduedate;
$result = $this->update_user_flags($flags);
if ($result) {
\mod_assign\event\extension_granted::create_from_assign($this, $userid)->trigger();
}
return $result;
}
/**
* Save extension date.
*
* @param moodleform $mform The submitted form
* @return boolean
*/
protected function process_save_extension(& $mform) {
global $DB, $CFG;
// Include extension form.
require_once($CFG->dirroot . '/mod/assign/extensionform.php');
require_sesskey();
$batchusers = optional_param('selectedusers', '', PARAM_SEQUENCE);
$userid = 0;
if (!$batchusers) {
$userid = required_param('userid', PARAM_INT);
$user = $DB->get_record('user', array('id'=>$userid), '*', MUST_EXIST);
}
$mform = new mod_assign_extension_form(null, array($this->get_course_module()->id,
$userid,
$batchusers,
$this->get_instance(),
null));
if ($mform->is_cancelled()) {
return true;
}
if ($formdata = $mform->get_data()) {
if ($batchusers) {
$users = explode(',', $batchusers);
$result = true;
foreach ($users as $userid) {
$result = $this->save_user_extension($userid, $formdata->extensionduedate) && $result;
}
return $result;
} else {
return $this->save_user_extension($userid, $formdata->extensionduedate);
}
}
return false;
}
/**
* Save quick grades.
*
* @return string The result of the save operation
*/
protected function process_save_quick_grades() {
global $USER, $DB, $CFG;
// Need grade permission.
require_capability('mod/assign:grade', $this->context);
require_sesskey();
// Make sure advanced grading is disabled.
$gradingmanager = get_grading_manager($this->get_context(), 'mod_assign', 'submissions');
$controller = $gradingmanager->get_active_controller();
if (!empty($controller)) {
return get_string('errorquickgradingvsadvancedgrading', 'assign');
}
$users = array();
// First check all the last modified values.
$currentgroup = groups_get_activity_group($this->get_course_module(), true);
$participants = $this->list_participants($currentgroup, true);
// Gets a list of possible users and look for values based upon that.
foreach ($participants as $userid => $unused) {
$modified = optional_param('grademodified_' . $userid, -1, PARAM_INT);
// Gather the userid, updated grade and last modified value.
$record = new stdClass();
$record->userid = $userid;
if ($modified >= 0) {
$record->grade = unformat_float(optional_param('quickgrade_' . $record->userid, -1, PARAM_TEXT));
$record->workflowstate = optional_param('quickgrade_' . $record->userid.'_workflowstate', false, PARAM_TEXT);
$record->allocatedmarker = optional_param('quickgrade_' . $record->userid.'_allocatedmarker', false, PARAM_INT);
} else {
// This user was not in the grading table.
continue;
}
$record->lastmodified = $modified;
$record->gradinginfo = grade_get_grades($this->get_course()->id,
'mod',
'assign',
$this->get_instance()->id,
array($userid));
$users[$userid] = $record;
}
if (empty($users)) {
return get_string('nousersselected', 'assign');
}
list($userids, $params) = $DB->get_in_or_equal(array_keys($users), SQL_PARAMS_NAMED);
$params['assignid1'] = $this->get_instance()->id;
$params['assignid2'] = $this->get_instance()->id;
// Check them all for currency.
$grademaxattempt = 'SELECT mxg.userid, MAX(mxg.attemptnumber) AS maxattempt
FROM {assign_grades} mxg
WHERE mxg.assignment = :assignid1 GROUP BY mxg.userid';
$sql = 'SELECT u.id as userid, g.grade as grade, g.timemodified as lastmodified, uf.workflowstate, uf.allocatedmarker
FROM {user} u
LEFT JOIN ( ' . $grademaxattempt . ' ) gmx ON u.id = gmx.userid
LEFT JOIN {assign_grades} g ON
u.id = g.userid AND
g.assignment = :assignid2 AND
g.attemptnumber = gmx.maxattempt
LEFT JOIN {assign_user_flags} uf ON uf.assignment = g.assignment AND uf.userid = g.userid
WHERE u.id ' . $userids;
$currentgrades = $DB->get_recordset_sql($sql, $params);
$modifiedusers = array();
foreach ($currentgrades as $current) {
$modified = $users[(int)$current->userid];
$grade = $this->get_user_grade($modified->userid, false);
// Check to see if the grade column was even visible.
$gradecolpresent = optional_param('quickgrade_' . $modified->userid, false, PARAM_INT) !== false;
// Check to see if the outcomes were modified.
if ($CFG->enableoutcomes) {
foreach ($modified->gradinginfo->outcomes as $outcomeid => $outcome) {
$oldoutcome = $outcome->grades[$modified->userid]->grade;
$paramname = 'outcome_' . $outcomeid . '_' . $modified->userid;
$newoutcome = optional_param($paramname, -1, PARAM_FLOAT);
// Check to see if the outcome column was even visible.
$outcomecolpresent = optional_param($paramname, false, PARAM_FLOAT) !== false;
if ($outcomecolpresent && ($oldoutcome != $newoutcome)) {
// Can't check modified time for outcomes because it is not reported.
$modifiedusers[$modified->userid] = $modified;
continue;
}
}
}
// Let plugins participate.
foreach ($this->feedbackplugins as $plugin) {
if ($plugin->is_visible() && $plugin->is_enabled() && $plugin->supports_quickgrading()) {
// The plugins must handle is_quickgrading_modified correctly - ie
// handle hidden columns.
if ($plugin->is_quickgrading_modified($modified->userid, $grade)) {
if ((int)$current->lastmodified > (int)$modified->lastmodified) {
return get_string('errorrecordmodified', 'assign');
} else {
$modifiedusers[$modified->userid] = $modified;
continue;
}
}
}
}
if (($current->grade < 0 || $current->grade === null) &&
($modified->grade < 0 || $modified->grade === null)) {
// Different ways to indicate no grade.
$modified->grade = $current->grade; // Keep existing grade.
}
// Treat 0 and null as different values.
if ($current->grade !== null) {
$current->grade = floatval($current->grade);
}
$gradechanged = $gradecolpresent && $current->grade !== $modified->grade;
$markingallocationchanged = $this->get_instance()->markingworkflow &&
$this->get_instance()->markingallocation &&
($modified->allocatedmarker !== false) &&
($current->allocatedmarker != $modified->allocatedmarker);
$workflowstatechanged = $this->get_instance()->markingworkflow &&
($modified->workflowstate !== false) &&
($current->workflowstate != $modified->workflowstate);
if ($gradechanged || $markingallocationchanged || $workflowstatechanged) {
// Grade changed.
if ($this->grading_disabled($modified->userid)) {
continue;
}
if ((int)$current->lastmodified > (int)$modified->lastmodified) {
// Error - record has been modified since viewing the page.
return get_string('errorrecordmodified', 'assign');
} else {
$modifiedusers[$modified->userid] = $modified;
}
}
}
$currentgrades->close();
$adminconfig = $this->get_admin_config();
$gradebookplugin = $adminconfig->feedback_plugin_for_gradebook;
// Ok - ready to process the updates.
foreach ($modifiedusers as $userid => $modified) {
$grade = $this->get_user_grade($userid, true);
$flags = $this->get_user_flags($userid, true);
$grade->grade= grade_floatval(unformat_float($modified->grade));
$grade->grader= $USER->id;
$gradecolpresent = optional_param('quickgrade_' . $userid, false, PARAM_INT) !== false;
// Save plugins data.
foreach ($this->feedbackplugins as $plugin) {
if ($plugin->is_visible() && $plugin->is_enabled() && $plugin->supports_quickgrading()) {
$plugin->save_quickgrading_changes($userid, $grade);
if (('assignfeedback_' . $plugin->get_type()) == $gradebookplugin) {
// This is the feedback plugin chose to push comments to the gradebook.
$grade->feedbacktext = $plugin->text_for_gradebook($grade);
$grade->feedbackformat = $plugin->format_for_gradebook($grade);
}
}
}
// These will be set to false if they are not present in the quickgrading
// form (e.g. column hidden).
$workflowstatemodified = ($modified->workflowstate !== false) &&
($flags->workflowstate != $modified->workflowstate);
$allocatedmarkermodified = ($modified->allocatedmarker !== false) &&
($flags->allocatedmarker != $modified->allocatedmarker);
if ($workflowstatemodified) {
$flags->workflowstate = $modified->workflowstate;
}
if ($allocatedmarkermodified) {
$flags->allocatedmarker = $modified->allocatedmarker;
}
if ($workflowstatemodified || $allocatedmarkermodified) {
$this->update_user_flags($flags);
}
$this->update_grade($grade);
// Allow teachers to skip sending notifications.
if (optional_param('sendstudentnotifications', true, PARAM_BOOL)) {
$this->notify_grade_modified($grade);
}
// Save outcomes.
if ($CFG->enableoutcomes) {
$data = array();
foreach ($modified->gradinginfo->outcomes as $outcomeid => $outcome) {
$oldoutcome = $outcome->grades[$modified->userid]->grade;
$paramname = 'outcome_' . $outcomeid . '_' . $modified->userid;
// This will be false if the input was not in the quickgrading
// form (e.g. column hidden).
$newoutcome = optional_param($paramname, false, PARAM_INT);
if ($newoutcome !== false && ($oldoutcome != $newoutcome)) {
$data[$outcomeid] = $newoutcome;
}
}
if (count($data) > 0) {
grade_update_outcomes('mod/assign',
$this->course->id,
'mod',
'assign',
$this->get_instance()->id,
$userid,
$data);
}
}
}
return get_string('quickgradingchangessaved', 'assign');
}
/**
* Reveal student identities to markers (and the gradebook).
*
* @return void
*/
public function reveal_identities() {
global $DB;
require_capability('mod/assign:revealidentities', $this->context);
if ($this->get_instance()->revealidentities || empty($this->get_instance()->blindmarking)) {
return false;
}
// Update the assignment record.
$update = new stdClass();
$update->id = $this->get_instance()->id;
$update->revealidentities = 1;
$DB->update_record('assign', $update);
// Refresh the instance data.
$this->instance = null;
// Release the grades to the gradebook.
// First create the column in the gradebook.
$this->update_gradebook(false, $this->get_course_module()->id);
// Now release all grades.
$adminconfig = $this->get_admin_config();
$gradebookplugin = $adminconfig->feedback_plugin_for_gradebook;
$grades = $DB->get_records('assign_grades', array('assignment'=>$this->get_instance()->id));
$plugin = $this->get_feedback_plugin_by_type($gradebookplugin);
foreach ($grades as $grade) {
// Fetch any comments for this student.
if ($plugin && $plugin->is_enabled() && $plugin->is_visible()) {
$grade->feedbacktext = $plugin->text_for_gradebook($grade);
$grade->feedbackformat = $plugin->format_for_gradebook($grade);
}
$this->gradebook_item_update(null, $grade);
}
\mod_assign\event\identities_revealed::create_from_assign($this)->trigger();
}
/**
* Reveal student identities to markers (and the gradebook).
*
* @return void
*/
protected function process_reveal_identities() {
if (!confirm_sesskey()) {
return false;
}
return $this->reveal_identities();
}
/**
* Save grading options.
*
* @return void
*/
protected function process_save_grading_options() {
global $USER, $CFG;
// Include grading options form.
require_once($CFG->dirroot . '/mod/assign/gradingoptionsform.php');
// Need submit permission to submit an assignment.
require_capability('mod/assign:grade', $this->context);
require_sesskey();
// Is advanced grading enabled?
$gradingmanager = get_grading_manager($this->get_context(), 'mod_assign', 'submissions');
$controller = $gradingmanager->get_active_controller();
$showquickgrading = empty($controller);
if (!is_null($this->context)) {
$showonlyactiveenrolopt = has_capability('moodle/course:viewsuspendedusers', $this->context);
} else {
$showonlyactiveenrolopt = false;
}
$markingallocation = $this->get_instance()->markingworkflow &&
$this->get_instance()->markingallocation &&
has_capability('mod/assign:manageallocations', $this->context);
// Get markers to use in drop lists.
$markingallocationoptions = array();
if ($markingallocation) {
$markingallocationoptions[''] = get_string('filternone', 'assign');
$markingallocationoptions[ASSIGN_MARKER_FILTER_NO_MARKER] = get_string('markerfilternomarker', 'assign');
$markers = get_users_by_capability($this->context, 'mod/assign:grade');
foreach ($markers as $marker) {
$markingallocationoptions[$marker->id] = fullname($marker);
}
}
// Get marking states to show in form.
$markingworkflowoptions = array();
if ($this->get_instance()->markingworkflow) {
$notmarked = get_string('markingworkflowstatenotmarked', 'assign');
$markingworkflowoptions[''] = get_string('filternone', 'assign');
$markingworkflowoptions[ASSIGN_MARKING_WORKFLOW_STATE_NOTMARKED] = $notmarked;
$markingworkflowoptions = array_merge($markingworkflowoptions, $this->get_marking_workflow_states_for_current_user());
}
$gradingoptionsparams = array('cm'=>$this->get_course_module()->id,
'contextid'=>$this->context->id,
'userid'=>$USER->id,
'submissionsenabled'=>$this->is_any_submission_plugin_enabled(),
'showquickgrading'=>$showquickgrading,
'quickgrading'=>false,
'markingworkflowopt' => $markingworkflowoptions,
'markingallocationopt' => $markingallocationoptions,
'showonlyactiveenrolopt'=>$showonlyactiveenrolopt,
'showonlyactiveenrol'=>$this->show_only_active_users());
$mform = new mod_assign_grading_options_form(null, $gradingoptionsparams);
if ($formdata = $mform->get_data()) {
set_user_preference('assign_perpage', $formdata->perpage);
if (isset($formdata->filter)) {
set_user_preference('assign_filter', $formdata->filter);
}
if (isset($formdata->markerfilter)) {
set_user_preference('assign_markerfilter', $formdata->markerfilter);
}
if (isset($formdata->workflowfilter)) {
set_user_preference('assign_workflowfilter', $formdata->workflowfilter);
}
if ($showquickgrading) {
set_user_preference('assign_quickgrading', isset($formdata->quickgrading));
}
if (!empty($showonlyactiveenrolopt)) {
$showonlyactiveenrol = isset($formdata->showonlyactiveenrol);
set_user_preference('grade_report_showonlyactiveenrol', $showonlyactiveenrol);
$this->showonlyactiveenrol = $showonlyactiveenrol;
}
}
}
/**
* Take a grade object and print a short summary for the log file.
* The size limit for the log file is 255 characters, so be careful not
* to include too much information.
*
* @deprecated since 2.7
*
* @param stdClass $grade
* @return string
*/
public function format_grade_for_log(stdClass $grade) {
global $DB;
$user = $DB->get_record('user', array('id' => $grade->userid), '*', MUST_EXIST);
$info = get_string('gradestudent', 'assign', array('id'=>$user->id, 'fullname'=>fullname($user)));
if ($grade->grade != '') {
$info .= get_string('grade') . ': ' . $this->display_grade($grade->grade, false) . '. ';
} else {
$info .= get_string('nograde', 'assign');
}
return $info;
}
/**
* Take a submission object and print a short summary for the log file.
* The size limit for the log file is 255 characters, so be careful not
* to include too much information.
*
* @deprecated since 2.7
*
* @param stdClass $submission
* @return string
*/
public function format_submission_for_log(stdClass $submission) {
global $DB;
$info = '';
if ($submission->userid) {
$user = $DB->get_record('user', array('id' => $submission->userid), '*', MUST_EXIST);
$name = fullname($user);
} else {
$group = $this->get_submission_group($submission->userid);
if ($group) {
$name = $group->name;
} else {
$name = get_string('defaultteam', 'assign');
}
}
$status = get_string('submissionstatus_' . $submission->status, 'assign');
$params = array('id'=>$submission->userid, 'fullname'=>$name, 'status'=>$status);
$info .= get_string('submissionlog', 'assign', $params) . ' ';
foreach ($this->submissionplugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
$info .= ' ' . $plugin->format_for_log($submission);
}
}
return $info;
}
/**
* Require a valid sess key and then call copy_previous_attempt.
*
* @param array $notices Any error messages that should be shown
* to the user at the top of the edit submission form.
* @return bool
*/
protected function process_copy_previous_attempt(&$notices) {
require_sesskey();
return $this->copy_previous_attempt($notices);
}
/**
* Copy the current assignment submission from the last submitted attempt.
*
* @param array $notices Any error messages that should be shown
* to the user at the top of the edit submission form.
* @return bool
*/
public function copy_previous_attempt(&$notices) {
global $USER, $CFG;
require_capability('mod/assign:submit', $this->context);
$instance = $this->get_instance();
if ($instance->teamsubmission) {
$submission = $this->get_group_submission($USER->id, 0, true);
} else {
$submission = $this->get_user_submission($USER->id, true);
}
if (!$submission || $submission->status != ASSIGN_SUBMISSION_STATUS_REOPENED) {
$notices[] = get_string('submissionnotcopiedinvalidstatus', 'assign');
return false;
}
$flags = $this->get_user_flags($USER->id, false);
// Get the flags to check if it is locked.
if ($flags && $flags->locked) {
$notices[] = get_string('submissionslocked', 'assign');
return false;
}
if ($instance->submissiondrafts) {
$submission->status = ASSIGN_SUBMISSION_STATUS_DRAFT;
} else {
$submission->status = ASSIGN_SUBMISSION_STATUS_SUBMITTED;
}
$this->update_submission($submission, $USER->id, true, $instance->teamsubmission);
// Find the previous submission.
if ($instance->teamsubmission) {
$previoussubmission = $this->get_group_submission($USER->id, 0, true, $submission->attemptnumber - 1);
} else {
$previoussubmission = $this->get_user_submission($USER->id, true, $submission->attemptnumber - 1);
}
if (!$previoussubmission) {
// There was no previous submission so there is nothing else to do.
return true;
}
$pluginerror = false;
foreach ($this->get_submission_plugins() as $plugin) {
if ($plugin->is_visible() && $plugin->is_enabled()) {
if (!$plugin->copy_submission($previoussubmission, $submission)) {
$notices[] = $plugin->get_error();
$pluginerror = true;
}
}
}
if ($pluginerror) {
return false;
}
\mod_assign\event\submission_duplicated::create_from_submission($this, $submission)->trigger();
$complete = COMPLETION_INCOMPLETE;
if ($submission->status == ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
$complete = COMPLETION_COMPLETE;
}
$completion = new completion_info($this->get_course());
if ($completion->is_enabled($this->get_course_module()) && $instance->completionsubmit) {
$completion->update_state($this->get_course_module(), $complete, $USER->id);
}
if (!$instance->submissiondrafts) {
// There is a case for not notifying the student about the submission copy,
// but it provides a record of the event and if they then cancel editing it
// is clear that the submission was copied.
$this->notify_student_submission_copied($submission);
$this->notify_graders($submission);
// The same logic applies here - we could not notify teachers,
// but then they would wonder why there are submitted assignments
// and they haven't been notified.
\mod_assign\event\assessable_submitted::create_from_submission($this, $submission, true)->trigger();
}
return true;
}
/**
* Determine if the current submission is empty or not.
*
* @param submission $submission the students submission record to check.
* @return bool
*/
public function submission_empty($submission) {
$allempty = true;
foreach ($this->submissionplugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
if (!$allempty || !$plugin->is_empty($submission)) {
$allempty = false;
}
}
}
return $allempty;
}
/**
* Save assignment submission for the current user.
*
* @param stdClass $data
* @param array $notices Any error messages that should be shown
* to the user.
* @return bool
*/
public function save_submission(stdClass $data, & $notices) {
global $CFG, $USER, $DB;
$userid = $USER->id;
if (!empty($data->userid)) {
$userid = $data->userid;
}
$user = clone($USER);
if ($userid == $USER->id) {
require_capability('mod/assign:submit', $this->context);
} else {
$user = $DB->get_record('user', array('id'=>$userid), '*', MUST_EXIST);
if (!$this->can_edit_submission($userid, $USER->id)) {
print_error('nopermission');
}
}
$instance = $this->get_instance();
if ($instance->teamsubmission) {
$submission = $this->get_group_submission($userid, 0, true);
} else {
$submission = $this->get_user_submission($userid, true);
}
if ($instance->submissiondrafts) {
$submission->status = ASSIGN_SUBMISSION_STATUS_DRAFT;
} else {
$submission->status = ASSIGN_SUBMISSION_STATUS_SUBMITTED;
}
$flags = $this->get_user_flags($userid, false);
// Get the flags to check if it is locked.
if ($flags && $flags->locked) {
print_error('submissionslocked', 'assign');
return true;
}
$pluginerror = false;
foreach ($this->submissionplugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
if (!$plugin->save($submission, $data)) {
$notices[] = $plugin->get_error();
$pluginerror = true;
}
}
}
$allempty = $this->submission_empty($submission);
if ($pluginerror || $allempty) {
if ($allempty) {
$notices[] = get_string('submissionempty', 'mod_assign');
}
return false;
}
$this->update_submission($submission, $userid, true, $instance->teamsubmission);
// Logging.
if (isset($data->submissionstatement) && ($userid == $USER->id)) {
\mod_assign\event\statement_accepted::create_from_submission($this, $submission)->trigger();
}
$complete = COMPLETION_INCOMPLETE;
if ($submission->status == ASSIGN_SUBMISSION_STATUS_SUBMITTED) {
$complete = COMPLETION_COMPLETE;
}
$completion = new completion_info($this->get_course());
if ($completion->is_enabled($this->get_course_module()) && $instance->completionsubmit) {
$completion->update_state($this->get_course_module(), $complete, $userid);
}
if (!$instance->submissiondrafts) {
$this->notify_student_submission_receipt($submission);
$this->notify_graders($submission);
\mod_assign\event\assessable_submitted::create_from_submission($this, $submission, true)->trigger();
}
return true;
}
/**
* Save assignment submission.
*
* @param moodleform $mform
* @param array $notices Any error messages that should be shown
* to the user at the top of the edit submission form.
* @return bool
*/
protected function process_save_submission(&$mform, &$notices) {
global $CFG, $USER;
// Include submission form.
require_once($CFG->dirroot . '/mod/assign/submission_form.php');
$userid = optional_param('userid', $USER->id, PARAM_INT);
// Need submit permission to submit an assignment.
require_sesskey();
if (!$this->submissions_open($userid)) {
$notices[] = get_string('duedatereached', 'assign');
return false;
}
$instance = $this->get_instance();
$data = new stdClass();
$data->userid = $userid;
$mform = new mod_assign_submission_form(null, array($this, $data));
if ($mform->is_cancelled()) {
return true;
}
if ($data = $mform->get_data()) {
return $this->save_submission($data, $notices);
}
return false;
}
/**
* Determine if this users grade can be edited.
*
* @param int $userid - The student userid
* @param bool $checkworkflow - whether to include a check for the workflow state.
* @return bool $gradingdisabled
*/
public function grading_disabled($userid, $checkworkflow=true) {
global $CFG;
if ($checkworkflow && $this->get_instance()->markingworkflow) {
$grade = $this->get_user_grade($userid, false);
$validstates = $this->get_marking_workflow_states_for_current_user();
if (!empty($grade) && !empty($grade->workflowstate) && !array_key_exists($grade->workflowstate, $validstates)) {
return true;
}
}
$gradinginfo = grade_get_grades($this->get_course()->id,
'mod',
'assign',
$this->get_instance()->id,
array($userid));
if (!$gradinginfo) {
return false;
}
if (!isset($gradinginfo->items[0]->grades[$userid])) {
return false;
}
$gradingdisabled = $gradinginfo->items[0]->grades[$userid]->locked ||
$gradinginfo->items[0]->grades[$userid]->overridden;
return $gradingdisabled;
}
/**
* Get an instance of a grading form if advanced grading is enabled.
* This is specific to the assignment, marker and student.
*
* @param int $userid - The student userid
* @param stdClass|false $grade - The grade record
* @param bool $gradingdisabled
* @return mixed gradingform_instance|null $gradinginstance
*/
protected function get_grading_instance($userid, $grade, $gradingdisabled) {
global $CFG, $USER;
$grademenu = make_grades_menu($this->get_instance()->grade);
$allowgradedecimals = $this->get_instance()->grade > 0;
$advancedgradingwarning = false;
$gradingmanager = get_grading_manager($this->context, 'mod_assign', 'submissions');
$gradinginstance = null;
if ($gradingmethod = $gradingmanager->get_active_method()) {
$controller = $gradingmanager->get_controller($gradingmethod);
if ($controller->is_form_available()) {
$itemid = null;
if ($grade) {
$itemid = $grade->id;
}
if ($gradingdisabled && $itemid) {
$gradinginstance = $controller->get_current_instance($USER->id, $itemid);
} else if (!$gradingdisabled) {
$instanceid = optional_param('advancedgradinginstanceid', 0, PARAM_INT);
$gradinginstance = $controller->get_or_create_instance($instanceid,
$USER->id,
$itemid);
}
} else {
$advancedgradingwarning = $controller->form_unavailable_notification();
}
}
if ($gradinginstance) {
$gradinginstance->get_controller()->set_grade_range($grademenu, $allowgradedecimals);
}
return $gradinginstance;
}
/**
* Add elements to grade form.
*
* @param MoodleQuickForm $mform
* @param stdClass $data
* @param array $params
* @return void
*/
public function add_grade_form_elements(MoodleQuickForm $mform, stdClass $data, $params) {
global $USER, $CFG;
$settings = $this->get_instance();
$rownum = $params['rownum'];
$last = $params['last'];
$useridlistid = $params['useridlistid'];
$userid = $params['userid'];
$attemptnumber = $params['attemptnumber'];
if (!$userid) {
$cache = cache::make_from_params(cache_store::MODE_SESSION, 'mod_assign', 'useridlist');
if (!$useridlist = $cache->get($this->get_course_module()->id . '_' . $useridlistid)) {
$useridlist = $this->get_grading_userid_list();
$cache->set($this->get_course_module()->id . '_' . $useridlistid, $useridlist);
}
} else {
$useridlist = array($userid);
$rownum = 0;
$useridlistid = '';
}
$userid = $useridlist[$rownum];
$grade = $this->get_user_grade($userid, false, $attemptnumber);
$submission = null;
if ($this->get_instance()->teamsubmission) {
$submission = $this->get_group_submission($userid, 0, false, $attemptnumber);
} else {
$submission = $this->get_user_submission($userid, false, $attemptnumber);
}
// Add advanced grading.
$gradingdisabled = $this->grading_disabled($userid);
$gradinginstance = $this->get_grading_instance($userid, $grade, $gradingdisabled);
$mform->addElement('header', 'gradeheader', get_string('grade'));
if ($gradinginstance) {
$gradingelement = $mform->addElement('grading',
'advancedgrading',
get_string('grade').':',
array('gradinginstance' => $gradinginstance));
if ($gradingdisabled) {
$gradingelement->freeze();
} else {
$mform->addElement('hidden', 'advancedgradinginstanceid', $gradinginstance->get_id());
$mform->setType('advancedgradinginstanceid', PARAM_INT);
}
} else {
// Use simple direct grading.
if ($this->get_instance()->grade > 0) {
$name = get_string('gradeoutof', 'assign', $this->get_instance()->grade);
if (!$gradingdisabled) {
$gradingelement = $mform->addElement('text', 'grade', $name);
$mform->addHelpButton('grade', 'gradeoutofhelp', 'assign');
$mform->setType('grade', PARAM_RAW);
} else {
$mform->addElement('hidden', 'grade', $name);
$mform->hardFreeze('grade');
$mform->setType('grade', PARAM_RAW);
$strgradelocked = get_string('gradelocked', 'assign');
$mform->addElement('static', 'gradedisabled', $name, $strgradelocked);
$mform->addHelpButton('gradedisabled', 'gradeoutofhelp', 'assign');
}
} else {
$grademenu = array(-1 => get_string("nograde")) + make_grades_menu($this->get_instance()->grade);
if (count($grademenu) > 1) {
$gradingelement = $mform->addElement('select', 'grade', get_string('grade') . ':', $grademenu);
// The grade is already formatted with format_float so it needs to be converted back to an integer.
if (!empty($data->grade)) {
$data->grade = (int)unformat_float($data->grade);
}
$mform->setType('grade', PARAM_INT);
if ($gradingdisabled) {
$gradingelement->freeze();
}
}
}
}
$gradinginfo = grade_get_grades($this->get_course()->id,
'mod',
'assign',
$this->get_instance()->id,
$userid);
if (!empty($CFG->enableoutcomes)) {
foreach ($gradinginfo->outcomes as $index => $outcome) {
$options = make_grades_menu(-$outcome->scaleid);
if ($outcome->grades[$userid]->locked) {
$options[0] = get_string('nooutcome', 'grades');
$mform->addElement('static',
'outcome_' . $index . '[' . $userid . ']',
$outcome->name . ':',
$options[$outcome->grades[$userid]->grade]);
} else {
$options[''] = get_string('nooutcome', 'grades');
$attributes = array('id' => 'menuoutcome_' . $index );
$mform->addElement('select',
'outcome_' . $index . '[' . $userid . ']',
$outcome->name.':',
$options,
$attributes);
$mform->setType('outcome_' . $index . '[' . $userid . ']', PARAM_INT);
$mform->setDefault('outcome_' . $index . '[' . $userid . ']',
$outcome->grades[$userid]->grade);
}
}
}
$capabilitylist = array('gradereport/grader:view', 'moodle/grade:viewall');
if (has_all_capabilities($capabilitylist, $this->get_course_context())) {
$urlparams = array('id'=>$this->get_course()->id);
$url = new moodle_url('/grade/report/grader/index.php', $urlparams);
$usergrade = '-';
if (isset($gradinginfo->items[0]->grades[$userid]->str_grade)) {
$usergrade = $gradinginfo->items[0]->grades[$userid]->str_grade;
}
$gradestring = $this->get_renderer()->action_link($url, $usergrade);
} else {
$usergrade = '-';
if (isset($gradinginfo->items[0]->grades[$userid]) &&
!$gradinginfo->items[0]->grades[$userid]->hidden) {
$usergrade = $gradinginfo->items[0]->grades[$userid]->str_grade;
}
$gradestring = $usergrade;
}
if ($this->get_instance()->markingworkflow) {
$states = $this->get_marking_workflow_states_for_current_user();
$options = array('' => get_string('markingworkflowstatenotmarked', 'assign')) + $states;
$mform->addElement('select', 'workflowstate', get_string('markingworkflowstate', 'assign'), $options);
$mform->addHelpButton('workflowstate', 'markingworkflowstate', 'assign');
}
if ($this->get_instance()->markingworkflow &&
$this->get_instance()->markingallocation &&
has_capability('mod/assign:manageallocations', $this->context)) {
$markers = get_users_by_capability($this->context, 'mod/assign:grade');
$markerlist = array('' => get_string('choosemarker', 'assign'));
foreach ($markers as $marker) {
$markerlist[$marker->id] = fullname($marker);
}
$mform->addElement('select', 'allocatedmarker', get_string('allocatedmarker', 'assign'), $markerlist);
$mform->addHelpButton('allocatedmarker', 'allocatedmarker', 'assign');
$mform->disabledIf('allocatedmarker', 'workflowstate', 'eq', ASSIGN_MARKING_WORKFLOW_STATE_READYFORREVIEW);
$mform->disabledIf('allocatedmarker', 'workflowstate', 'eq', ASSIGN_MARKING_WORKFLOW_STATE_INREVIEW);
$mform->disabledIf('allocatedmarker', 'workflowstate', 'eq', ASSIGN_MARKING_WORKFLOW_STATE_READYFORRELEASE);
$mform->disabledIf('allocatedmarker', 'workflowstate', 'eq', ASSIGN_MARKING_WORKFLOW_STATE_RELEASED);
}
$mform->addElement('static', 'currentgrade', get_string('currentgrade', 'assign'), $gradestring);
if (count($useridlist) > 1) {
$strparams = array('current'=>$rownum+1, 'total'=>count($useridlist));
$name = get_string('outof', 'assign', $strparams);
$mform->addElement('static', 'gradingstudent', get_string('gradingstudent', 'assign'), $name);
}
// Let feedback plugins add elements to the grading form.
$this->add_plugin_grade_elements($grade, $mform, $data, $userid);
// Hidden params.
$mform->addElement('hidden', 'id', $this->get_course_module()->id);
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden', 'rownum', $rownum);
$mform->setType('rownum', PARAM_INT);
$mform->setConstant('rownum', $rownum);
$mform->addElement('hidden', 'useridlistid', $useridlistid);
$mform->setType('useridlistid', PARAM_INT);
$mform->addElement('hidden', 'attemptnumber', $attemptnumber);
$mform->setType('attemptnumber', PARAM_INT);
$mform->addElement('hidden', 'ajax', optional_param('ajax', 0, PARAM_INT));
$mform->setType('ajax', PARAM_INT);
if ($this->get_instance()->teamsubmission) {
$mform->addElement('header', 'groupsubmissionsettings', get_string('groupsubmissionsettings', 'assign'));
$mform->addElement('selectyesno', 'applytoall', get_string('applytoteam', 'assign'));
$mform->setDefault('applytoall', 1);
}
// Do not show if we are editing a previous attempt.
if ($attemptnumber == -1 && $this->get_instance()->attemptreopenmethod != ASSIGN_ATTEMPT_REOPEN_METHOD_NONE) {
$mform->addElement('header', 'attemptsettings', get_string('attemptsettings', 'assign'));
$attemptreopenmethod = get_string('attemptreopenmethod_' . $this->get_instance()->attemptreopenmethod, 'assign');
$mform->addElement('static', 'attemptreopenmethod', get_string('attemptreopenmethod', 'assign'), $attemptreopenmethod);
$attemptnumber = 0;
if ($submission) {
$attemptnumber = $submission->attemptnumber;
}
$maxattempts = $this->get_instance()->maxattempts;
if ($maxattempts == ASSIGN_UNLIMITED_ATTEMPTS) {
$maxattempts = get_string('unlimitedattempts', 'assign');
}
$mform->addelement('static', 'maxattemptslabel', get_string('maxattempts', 'assign'), $maxattempts);
$mform->addelement('static', 'attemptnumberlabel', get_string('attemptnumber', 'assign'), $attemptnumber + 1);
$ismanual = $this->get_instance()->attemptreopenmethod == ASSIGN_ATTEMPT_REOPEN_METHOD_MANUAL;
$issubmission = !empty($submission);
$isunlimited = $this->get_instance()->maxattempts == ASSIGN_UNLIMITED_ATTEMPTS;
$islessthanmaxattempts = $issubmission && ($submission->attemptnumber < ($this->get_instance()->maxattempts-1));
if ($ismanual && (!$issubmission || $isunlimited || $islessthanmaxattempts)) {
$mform->addElement('selectyesno', 'addattempt', get_string('addattempt', 'assign'));
$mform->setDefault('addattempt', 0);
}
}
$mform->addElement('selectyesno', 'sendstudentnotifications', get_string('sendstudentnotifications', 'assign'));
// Get assignment visibility information for student.
$modinfo = get_fast_modinfo($settings->course, $userid);
$cm = $modinfo->get_cm($this->get_course_module()->id);
// Don't allow notification to be sent if student can't access assignment.
if (!$cm->uservisible) {
$mform->setDefault('sendstudentnotifications', 0);
$mform->freeze('sendstudentnotifications');
} else {
$mform->setDefault('sendstudentnotifications', $this->get_instance()->sendstudentnotifications);
}
$mform->addElement('hidden', 'action', 'submitgrade');
$mform->setType('action', PARAM_ALPHA);
$buttonarray=array();
$name = get_string('savechanges', 'assign');
$buttonarray[] = $mform->createElement('submit', 'savegrade', $name);
if (!$last) {
$name = get_string('savenext', 'assign');
$buttonarray[] = $mform->createElement('submit', 'saveandshownext', $name);
}
$buttonarray[] = $mform->createElement('cancel', 'cancelbutton', get_string('cancel'));
$mform->addGroup($buttonarray, 'buttonar', '', array(' '), false);
$mform->closeHeaderBefore('buttonar');
$buttonarray=array();
if ($rownum > 0) {
$name = get_string('previous', 'assign');
$buttonarray[] = $mform->createElement('submit', 'nosaveandprevious', $name);
}
if (!$last) {
$name = get_string('nosavebutnext', 'assign');
$buttonarray[] = $mform->createElement('submit', 'nosaveandnext', $name);
}
if (!empty($buttonarray)) {
$mform->addGroup($buttonarray, 'navar', '', array(' '), false);
}
// The grading form does not work well with shortforms.
$mform->setDisableShortforms();
}
/**
* Add elements in submission plugin form.
*
* @param mixed $submission stdClass|null
* @param MoodleQuickForm $mform
* @param stdClass $data
* @param int $userid The current userid (same as $USER->id)
* @return void
*/
protected function add_plugin_submission_elements($submission,
MoodleQuickForm $mform,
stdClass $data,
$userid) {
foreach ($this->submissionplugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible() && $plugin->allow_submissions()) {
$plugin->get_form_elements_for_user($submission, $mform, $data, $userid);
}
}
}
/**
* Check if feedback plugins installed are enabled.
*
* @return bool
*/
public function is_any_feedback_plugin_enabled() {
if (!isset($this->cache['any_feedback_plugin_enabled'])) {
$this->cache['any_feedback_plugin_enabled'] = false;
foreach ($this->feedbackplugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
$this->cache['any_feedback_plugin_enabled'] = true;
break;
}
}
}
return $this->cache['any_feedback_plugin_enabled'];
}
/**
* Check if submission plugins installed are enabled.
*
* @return bool
*/
public function is_any_submission_plugin_enabled() {
if (!isset($this->cache['any_submission_plugin_enabled'])) {
$this->cache['any_submission_plugin_enabled'] = false;
foreach ($this->submissionplugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible() && $plugin->allow_submissions()) {
$this->cache['any_submission_plugin_enabled'] = true;
break;
}
}
}
return $this->cache['any_submission_plugin_enabled'];
}
/**
* Add elements to submission form.
* @param MoodleQuickForm $mform
* @param stdClass $data
* @return void
*/
public function add_submission_form_elements(MoodleQuickForm $mform, stdClass $data) {
global $USER;
$userid = $data->userid;
// Team submissions.
if ($this->get_instance()->teamsubmission) {
$submission = $this->get_group_submission($userid, 0, false);
} else {
$submission = $this->get_user_submission($userid, false);
}
// Submission statement.
$adminconfig = $this->get_admin_config();
$requiresubmissionstatement = $this->get_instance()->requiresubmissionstatement &&
!empty($adminconfig->submissionstatement);
$draftsenabled = $this->get_instance()->submissiondrafts;
// Only show submission statement if we are editing our own submission.
if ($requiresubmissionstatement && !$draftsenabled && $userid == $USER->id) {
$submissionstatement = '';
if (!empty($adminconfig->submissionstatement)) {
// Format the submissino statement before its sent. We turn off para because this is going within
// a form element.
$options = array(
'context' => $this->get_context(),
'para' => false
);
$submissionstatement = format_text($adminconfig->submissionstatement, FORMAT_MOODLE, $options);
}
$mform->addElement('checkbox', 'submissionstatement', '', $submissionstatement);
$mform->addRule('submissionstatement', get_string('required'), 'required', null, 'client');
}
$this->add_plugin_submission_elements($submission, $mform, $data, $userid);
// Hidden params.
$mform->addElement('hidden', 'id', $this->get_course_module()->id);
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden', 'userid', $userid);
$mform->setType('userid', PARAM_INT);
$mform->addElement('hidden', 'action', 'savesubmission');
$mform->setType('action', PARAM_TEXT);
}
/**
* Revert to draft.
*
* @param int $userid
* @return boolean
*/
public function revert_to_draft($userid) {
global $DB, $USER;
// Need grade permission.
require_capability('mod/assign:grade', $this->context);
if ($this->get_instance()->teamsubmission) {
$submission = $this->get_group_submission($userid, 0, false);
} else {
$submission = $this->get_user_submission($userid, false);
}
if (!$submission) {
return false;
}
$submission->status = ASSIGN_SUBMISSION_STATUS_DRAFT;
$this->update_submission($submission, $userid, true, $this->get_instance()->teamsubmission);
// Give each submission plugin a chance to process the reverting to draft.
$plugins = $this->get_submission_plugins();
foreach ($plugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
$plugin->revert_to_draft($submission);
}
}
// Update the modified time on the grade (grader modified).
$grade = $this->get_user_grade($userid, true);
$grade->grader = $USER->id;
$this->update_grade($grade);
$completion = new completion_info($this->get_course());
if ($completion->is_enabled($this->get_course_module()) &&
$this->get_instance()->completionsubmit) {
$completion->update_state($this->get_course_module(), COMPLETION_INCOMPLETE, $userid);
}
\mod_assign\event\submission_status_updated::create_from_submission($this, $submission)->trigger();
return true;
}
/**
* Revert to draft.
* Uses url parameter userid if userid not supplied as a parameter.
*
* @param int $userid
* @return boolean
*/
protected function process_revert_to_draft($userid = 0) {
require_sesskey();
if (!$userid) {
$userid = required_param('userid', PARAM_INT);
}
return $this->revert_to_draft($userid);
}
/**
* Prevent student updates to this submission
*
* @param int $userid
* @return bool
*/
public function lock_submission($userid) {
global $USER, $DB;
// Need grade permission.
require_capability('mod/assign:grade', $this->context);
// Give each submission plugin a chance to process the locking.
$plugins = $this->get_submission_plugins();
$submission = $this->get_user_submission($userid, false);
$flags = $this->get_user_flags($userid, true);
$flags->locked = 1;
$this->update_user_flags($flags);
foreach ($plugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
$plugin->lock($submission, $flags);
}
}
$user = $DB->get_record('user', array('id' => $userid), '*', MUST_EXIST);
\mod_assign\event\submission_locked::create_from_user($this, $user)->trigger();
return true;
}
/**
* Set the workflow state for multiple users
*
* @return void
*/
protected function process_set_batch_marking_workflow_state() {
global $CFG, $DB;
// Include batch marking workflow form.
require_once($CFG->dirroot . '/mod/assign/batchsetmarkingworkflowstateform.php');
$formparams = array(
'userscount' => 0, // This form is never re-displayed, so we don't need to
'usershtml' => '', // initialise these parameters with real information.
'markingworkflowstates' => $this->get_marking_workflow_states_for_current_user()
);
$mform = new mod_assign_batch_set_marking_workflow_state_form(null, $formparams);
if ($mform->is_cancelled()) {
return true;
}
if ($formdata = $mform->get_data()) {
$useridlist = explode(',', $formdata->selectedusers);
$state = $formdata->markingworkflowstate;
foreach ($useridlist as $userid) {
$flags = $this->get_user_flags($userid, true);
$flags->workflowstate = $state;
$gradingdisabled = $this->grading_disabled($userid);
// Will not apply update if user does not have permission to assign this workflow state.
if (!$gradingdisabled && $this->update_user_flags($flags)) {
if ($state == ASSIGN_MARKING_WORKFLOW_STATE_RELEASED) {
// Update Gradebook.
$assign = clone $this->get_instance();
$assign->cmidnumber = $this->get_course_module()->idnumber;
// Set assign gradebook feedback plugin status.
$assign->gradefeedbackenabled = $this->is_gradebook_feedback_enabled();
assign_update_grades($assign, $userid);
}
$user = $DB->get_record('user', array('id' => $userid), '*', MUST_EXIST);
\mod_assign\event\workflow_state_updated::create_from_user($this, $user, $state)->trigger();
}
}
}
}
/**
* Set the marking allocation for multiple users
*
* @return void
*/
protected function process_set_batch_marking_allocation() {
global $CFG, $DB;
// Include batch marking allocation form.
require_once($CFG->dirroot . '/mod/assign/batchsetallocatedmarkerform.php');
$formparams = array(
'userscount' => 0, // This form is never re-displayed, so we don't need to
'usershtml' => '' // initialise these parameters with real information.
);
$markers = get_users_by_capability($this->get_context(), 'mod/assign:grade');
$markerlist = array();
foreach ($markers as $marker) {
$markerlist[$marker->id] = fullname($marker);
}
$formparams['markers'] = $markerlist;
$mform = new mod_assign_batch_set_allocatedmarker_form(null, $formparams);
if ($mform->is_cancelled()) {
return true;
}
if ($formdata = $mform->get_data()) {
$useridlist = explode(',', $formdata->selectedusers);
$marker = $DB->get_record('user', array('id' => $formdata->allocatedmarker), '*', MUST_EXIST);
foreach ($useridlist as $userid) {
$flags = $this->get_user_flags($userid, true);
if ($flags->workflowstate == ASSIGN_MARKING_WORKFLOW_STATE_READYFORREVIEW ||
$flags->workflowstate == ASSIGN_MARKING_WORKFLOW_STATE_INREVIEW ||
$flags->workflowstate == ASSIGN_MARKING_WORKFLOW_STATE_READYFORRELEASE ||
$flags->workflowstate == ASSIGN_MARKING_WORKFLOW_STATE_RELEASED) {
continue; // Allocated marker can only be changed in certain workflow states.
}
$flags->allocatedmarker = $marker->id;
if ($this->update_user_flags($flags)) {
$user = $DB->get_record('user', array('id' => $userid), '*', MUST_EXIST);
\mod_assign\event\marker_updated::create_from_marker($this, $user, $marker)->trigger();
}
}
}
}
/**
* Prevent student updates to this submission.
* Uses url parameter userid.
*
* @param int $userid
* @return void
*/
protected function process_lock_submission($userid = 0) {
require_sesskey();
if (!$userid) {
$userid = required_param('userid', PARAM_INT);
}
return $this->lock_submission($userid);
}
/**
* Unlock the student submission.
*
* @param int $userid
* @return bool
*/
public function unlock_submission($userid) {
global $USER, $DB;
// Need grade permission.
require_capability('mod/assign:grade', $this->context);
// Give each submission plugin a chance to process the unlocking.
$plugins = $this->get_submission_plugins();
$submission = $this->get_user_submission($userid, false);
$flags = $this->get_user_flags($userid, true);
$flags->locked = 0;
$this->update_user_flags($flags);
foreach ($plugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
$plugin->unlock($submission, $flags);
}
}
$user = $DB->get_record('user', array('id' => $userid), '*', MUST_EXIST);
\mod_assign\event\submission_unlocked::create_from_user($this, $user)->trigger();
return true;
}
/**
* Unlock the student submission.
* Uses url parameter userid.
*
* @param int $userid
* @return bool
*/
protected function process_unlock_submission($userid = 0) {
require_sesskey();
if (!$userid) {
$userid = required_param('userid', PARAM_INT);
}
return $this->unlock_submission($userid);
}
/**
* Apply a grade from a grading form to a user (may be called multiple times for a group submission).
*
* @param stdClass $formdata - the data from the form
* @param int $userid - the user to apply the grade to
* @param int $attemptnumber - The attempt number to apply the grade to.
* @return void
*/
protected function apply_grade_to_user($formdata, $userid, $attemptnumber) {
global $USER, $CFG, $DB;
$grade = $this->get_user_grade($userid, true, $attemptnumber);
$gradingdisabled = $this->grading_disabled($userid);
$gradinginstance = $this->get_grading_instance($userid, $grade, $gradingdisabled);
if (!$gradingdisabled) {
if ($gradinginstance) {
$grade->grade = $gradinginstance->submit_and_get_grade($formdata->advancedgrading,
$grade->id);
} else {
// Handle the case when grade is set to No Grade.
if (isset($formdata->grade)) {
$grade->grade = grade_floatval(unformat_float($formdata->grade));
}
}
if (isset($formdata->workflowstate) || isset($formdata->allocatedmarker)) {
$flags = $this->get_user_flags($userid, true);
$flags->workflowstate = isset($formdata->workflowstate) ? $formdata->workflowstate : $flags->workflowstate;
$flags->allocatedmarker = isset($formdata->allocatedmarker) ? $formdata->allocatedmarker : $flags->allocatedmarker;
$this->update_user_flags($flags);
}
}
$grade->grader= $USER->id;
$adminconfig = $this->get_admin_config();
$gradebookplugin = $adminconfig->feedback_plugin_for_gradebook;
// Call save in plugins.
foreach ($this->feedbackplugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
if (!$plugin->save($grade, $formdata)) {
$result = false;
print_error($plugin->get_error());
}
if (('assignfeedback_' . $plugin->get_type()) == $gradebookplugin) {
// This is the feedback plugin chose to push comments to the gradebook.
$grade->feedbacktext = $plugin->text_for_gradebook($grade);
$grade->feedbackformat = $plugin->format_for_gradebook($grade);
}
}
}
$this->update_grade($grade, !empty($formdata->addattempt));
// Note the default if not provided for this option is true (e.g. webservices).
// This is for backwards compatibility.
if (!isset($formdata->sendstudentnotifications) || $formdata->sendstudentnotifications) {
$this->notify_grade_modified($grade);
}
}
/**
* Save outcomes submitted from grading form.
*
* @param int $userid
* @param stdClass $formdata
* @param int $sourceuserid The user ID under which the outcome data is accessible. This is relevant
* for an outcome set to a user but applied to an entire group.
*/
protected function process_outcomes($userid, $formdata, $sourceuserid = null) {
global $CFG, $USER;
if (empty($CFG->enableoutcomes)) {
return;
}
if ($this->grading_disabled($userid)) {
return;
}
require_once($CFG->libdir.'/gradelib.php');
$data = array();
$gradinginfo = grade_get_grades($this->get_course()->id,
'mod',
'assign',
$this->get_instance()->id,
$userid);
if (!empty($gradinginfo->outcomes)) {
foreach ($gradinginfo->outcomes as $index => $oldoutcome) {
$name = 'outcome_'.$index;
$sourceuserid = $sourceuserid !== null ? $sourceuserid : $userid;
if (isset($formdata->{$name}[$sourceuserid]) &&
$oldoutcome->grades[$userid]->grade != $formdata->{$name}[$sourceuserid]) {
$data[$index] = $formdata->{$name}[$sourceuserid];
}
}
}
if (count($data) > 0) {
grade_update_outcomes('mod/assign',
$this->course->id,
'mod',
'assign',
$this->get_instance()->id,
$userid,
$data);
}
}
/**
* If the requirements are met - reopen the submission for another attempt.
* Only call this function when grading the latest attempt.
*
* @param int $userid The userid.
* @param stdClass $submission The submission (may be a group submission).
* @param bool $addattempt - True if the "allow another attempt" checkbox was checked.
* @return bool - true if another attempt was added.
*/
protected function reopen_submission_if_required($userid, $submission, $addattempt) {
$instance = $this->get_instance();
$maxattemptsreached = !empty($submission) &&
$submission->attemptnumber >= ($instance->maxattempts - 1) &&
$instance->maxattempts != ASSIGN_UNLIMITED_ATTEMPTS;
$shouldreopen = false;
if ($instance->attemptreopenmethod == ASSIGN_ATTEMPT_REOPEN_METHOD_UNTILPASS) {
// Check the gradetopass from the gradebook.
$gradeitem = $this->get_grade_item();
if ($gradeitem) {
$gradegrade = grade_grade::fetch(array('userid' => $userid, 'itemid' => $gradeitem->id));
if ($gradegrade && !$gradegrade->is_passed()) {
$shouldreopen = true;
}
}
}
if ($instance->attemptreopenmethod == ASSIGN_ATTEMPT_REOPEN_METHOD_MANUAL &&
!empty($addattempt)) {
$shouldreopen = true;
}
if ($shouldreopen && !$maxattemptsreached) {
$this->add_attempt($userid);
return true;
}
return false;
}
/**
* Save grade update.
*
* @param int $userid
* @param stdClass $data
* @return bool - was the grade saved
*/
public function save_grade($userid, $data) {
// Need grade permission.
require_capability('mod/assign:grade', $this->context);
$instance = $this->get_instance();
$submission = null;
if ($instance->teamsubmission) {
$submission = $this->get_group_submission($userid, 0, false, $data->attemptnumber);
} else {
$submission = $this->get_user_submission($userid, false, $data->attemptnumber);
}
if ($instance->teamsubmission && $data->applytoall) {
$groupid = 0;
if ($this->get_submission_group($userid)) {
$group = $this->get_submission_group($userid);
if ($group) {
$groupid = $group->id;
}
}
$members = $this->get_submission_group_members($groupid, true, $this->show_only_active_users());
foreach ($members as $member) {
// User may exist in multple groups (which should put them in the default group).
$this->apply_grade_to_user($data, $member->id, $data->attemptnumber);
$this->process_outcomes($member->id, $data, $userid);
}
} else {
$this->apply_grade_to_user($data, $userid, $data->attemptnumber);
$this->process_outcomes($userid, $data);
}
return true;
}
/**
* Save grade.
*
* @param moodleform $mform
* @return bool - was the grade saved
*/
protected function process_save_grade(&$mform) {
global $CFG;
// Include grade form.
require_once($CFG->dirroot . '/mod/assign/gradeform.php');
require_sesskey();
$instance = $this->get_instance();
$rownum = required_param('rownum', PARAM_INT);
$attemptnumber = optional_param('attemptnumber', -1, PARAM_INT);
$useridlistid = optional_param('useridlistid', time(), PARAM_INT);
$userid = optional_param('userid', 0, PARAM_INT);
$cache = cache::make_from_params(cache_store::MODE_SESSION, 'mod_assign', 'useridlist');
if (!$userid) {
if (!$useridlist = $cache->get($this->get_course_module()->id . '_' . $useridlistid)) {
$useridlist = $this->get_grading_userid_list();
$cache->set($this->get_course_module()->id . '_' . $useridlistid, $useridlist);
}
} else {
$useridlist = array($userid);
$rownum = 0;
}
$last = false;
$userid = $useridlist[$rownum];
if ($rownum == count($useridlist) - 1) {
$last = true;
}
$data = new stdClass();
$gradeformparams = array('rownum'=>$rownum,
'useridlistid'=>$useridlistid,
'last'=>false,
'attemptnumber'=>$attemptnumber,
'userid'=>optional_param('userid', 0, PARAM_INT));
$mform = new mod_assign_grade_form(null,
array($this, $data, $gradeformparams),
'post',
'',
array('class'=>'gradeform'));
if ($formdata = $mform->get_data()) {
return $this->save_grade($userid, $formdata);
} else {
return false;
}
}
/**
* This function is a static wrapper around can_upgrade.
*
* @param string $type The plugin type
* @param int $version The plugin version
* @return bool
*/
public static function can_upgrade_assignment($type, $version) {
$assignment = new assign(null, null, null);
return $assignment->can_upgrade($type, $version);
}
/**
* This function returns true if it can upgrade an assignment from the 2.2 module.
*
* @param string $type The plugin type
* @param int $version The plugin version
* @return bool
*/
public function can_upgrade($type, $version) {
if ($type == 'offline' && $version >= 2011112900) {
return true;
}
foreach ($this->submissionplugins as $plugin) {
if ($plugin->can_upgrade($type, $version)) {
return true;
}
}
foreach ($this->feedbackplugins as $plugin) {
if ($plugin->can_upgrade($type, $version)) {
return true;
}
}
return false;
}
/**
* Copy all the files from the old assignment files area to the new one.
* This is used by the plugin upgrade code.
*
* @param int $oldcontextid The old assignment context id
* @param int $oldcomponent The old assignment component ('assignment')
* @param int $oldfilearea The old assignment filearea ('submissions')
* @param int $olditemid The old submissionid (can be null e.g. intro)
* @param int $newcontextid The new assignment context id
* @param int $newcomponent The new assignment component ('assignment')
* @param int $newfilearea The new assignment filearea ('submissions')
* @param int $newitemid The new submissionid (can be null e.g. intro)
* @return int The number of files copied
*/
public function copy_area_files_for_upgrade($oldcontextid,
$oldcomponent,
$oldfilearea,
$olditemid,
$newcontextid,
$newcomponent,
$newfilearea,
$newitemid) {
// Note, this code is based on some code in filestorage - but that code
// deleted the old files (which we don't want).
$count = 0;
$fs = get_file_storage();
$oldfiles = $fs->get_area_files($oldcontextid,
$oldcomponent,
$oldfilearea,
$olditemid,
'id',
false);
foreach ($oldfiles as $oldfile) {
$filerecord = new stdClass();
$filerecord->contextid = $newcontextid;
$filerecord->component = $newcomponent;
$filerecord->filearea = $newfilearea;
$filerecord->itemid = $newitemid;
$fs->create_file_from_storedfile($filerecord, $oldfile);
$count += 1;
}
return $count;
}
/**
* Add a new attempt for each user in the list - but reopen each group assignment
* at most 1 time.
*
* @param array $useridlist Array of userids to reopen.
* @return bool
*/
protected function process_add_attempt_group($useridlist) {
$groupsprocessed = array();
$result = true;
foreach ($useridlist as $userid) {
$groupid = 0;
$group = $this->get_submission_group($userid);
if ($group) {
$groupid = $group->id;
}
if (empty($groupsprocessed[$groupid])) {
$result = $this->process_add_attempt($userid) && $result;
$groupsprocessed[$groupid] = true;
}
}
return $result;
}
/**
* Check for a sess key and then call add_attempt.
*
* @param int $userid int The user to add the attempt for
* @return bool - true if successful.
*/
protected function process_add_attempt($userid) {
require_sesskey();
return $this->add_attempt($userid);
}
/**
* Add a new attempt for a user.
*
* @param int $userid int The user to add the attempt for
* @return bool - true if successful.
*/
protected function add_attempt($userid) {
require_capability('mod/assign:grade', $this->context);
if ($this->get_instance()->attemptreopenmethod == ASSIGN_ATTEMPT_REOPEN_METHOD_NONE) {
return false;
}
if ($this->get_instance()->teamsubmission) {
$oldsubmission = $this->get_group_submission($userid, 0, false);
} else {
$oldsubmission = $this->get_user_submission($userid, false);
}
if (!$oldsubmission) {
return false;
}
// No more than max attempts allowed.
if ($this->get_instance()->maxattempts != ASSIGN_UNLIMITED_ATTEMPTS &&
$oldsubmission->attemptnumber >= ($this->get_instance()->maxattempts - 1)) {
return false;
}
// Create the new submission record for the group/user.
if ($this->get_instance()->teamsubmission) {
$newsubmission = $this->get_group_submission($userid, 0, true, $oldsubmission->attemptnumber + 1);
} else {
$newsubmission = $this->get_user_submission($userid, true, $oldsubmission->attemptnumber + 1);
}
// Set the status of the new attempt to reopened.
$newsubmission->status = ASSIGN_SUBMISSION_STATUS_REOPENED;
// Give each submission plugin a chance to process the add_attempt.
$plugins = $this->get_submission_plugins();
foreach ($plugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
$plugin->add_attempt($oldsubmission, $newsubmission);
}
}
$this->update_submission($newsubmission, $userid, false, $this->get_instance()->teamsubmission);
return true;
}
/**
* Get an upto date list of user grades and feedback for the gradebook.
*
* @param int $userid int or 0 for all users
* @return array of grade data formated for the gradebook api
* The data required by the gradebook api is userid,
* rawgrade,
* feedback,
* feedbackformat,
* usermodified,
* dategraded,
* datesubmitted
*/
public function get_user_grades_for_gradebook($userid) {
global $DB, $CFG;
$grades = array();
$assignmentid = $this->get_instance()->id;
$adminconfig = $this->get_admin_config();
$gradebookpluginname = $adminconfig->feedback_plugin_for_gradebook;
$gradebookplugin = null;
// Find the gradebook plugin.
foreach ($this->feedbackplugins as $plugin) {
if ($plugin->is_enabled() && $plugin->is_visible()) {
if (('assignfeedback_' . $plugin->get_type()) == $gradebookpluginname) {
$gradebookplugin = $plugin;
}
}
}
if ($userid) {
$where = ' WHERE u.id = :userid ';
} else {
$where = ' WHERE u.id != :userid ';
}
// When the gradebook asks us for grades - only return the last attempt for each user.
$params = array('assignid1'=>$assignmentid,
'assignid2'=>$assignmentid,
'userid'=>$userid);
$graderesults = $DB->get_recordset_sql('SELECT
u.id as userid,
s.timemodified as datesubmitted,
g.grade as rawgrade,
g.timemodified as dategraded,
g.grader as usermodified
FROM {user} u
LEFT JOIN {assign_submission} s
ON u.id = s.userid and s.assignment = :assignid1 AND
s.latest = 1
JOIN {assign_grades} g
ON u.id = g.userid and g.assignment = :assignid2 AND
g.attemptnumber = s.attemptnumber' .
$where, $params);
foreach ($graderesults as $result) {
$gradebookgrade = clone $result;
// Now get the feedback.
if ($gradebookplugin) {
$grade = $this->get_user_grade($result->userid, false);
if ($grade) {
$gradebookgrade->feedbacktext = $gradebookplugin->text_for_gradebook($grade);
$gradebookgrade->feedbackformat = $gradebookplugin->format_for_gradebook($grade);
}
}
$grades[$gradebookgrade->userid] = $gradebookgrade;
}
$graderesults->close();
return $grades;
}
/**
* Call the static version of this function
*
* @param int $userid The userid to lookup
* @return int The unique id
*/
public function get_uniqueid_for_user($userid) {
return self::get_uniqueid_for_user_static($this->get_instance()->id, $userid);
}
/**
* Foreach participant in the course - assign them a random id.
*
* @param int $assignid The assignid to lookup
*/
public static function allocate_unique_ids($assignid) {
global $DB;
$cm = get_coursemodule_from_instance('assign', $assignid, 0, false, MUST_EXIST);
$context = context_module::instance($cm->id);
$currentgroup = groups_get_activity_group($cm, true);
$users = get_enrolled_users($context, "mod/assign:submit", $currentgroup, 'u.id');
// Shuffle the users.
shuffle($users);
foreach ($users as $user) {
$record = $DB->get_record('assign_user_mapping',
array('assignment'=>$assignid, 'userid'=>$user->id),
'id');
if (!$record) {
$record = new stdClass();
$record->assignment = $assignid;
$record->userid = $user->id;
$DB->insert_record('assign_user_mapping', $record);
}
}
}
/**
* Lookup this user id and return the unique id for this assignment.
*
* @param int $assignid The assignment id
* @param int $userid The userid to lookup
* @return int The unique id
*/
public static function get_uniqueid_for_user_static($assignid, $userid) {
global $DB;
// Search for a record.
$params = array('assignment'=>$assignid, 'userid'=>$userid);
if ($record = $DB->get_record('assign_user_mapping', $params, 'id')) {
return $record->id;
}
// Be a little smart about this - there is no record for the current user.
// We should ensure any unallocated ids for the current participant
// list are distrubited randomly.
self::allocate_unique_ids($assignid);
// Retry the search for a record.
if ($record = $DB->get_record('assign_user_mapping', $params, 'id')) {
return $record->id;
}
// The requested user must not be a participant. Add a record anyway.
$record = new stdClass();
$record->assignment = $assignid;
$record->userid = $userid;
return $DB->insert_record('assign_user_mapping', $record);
}
/**
* Call the static version of this function.
*
* @param int $uniqueid The uniqueid to lookup
* @return int The user id or false if they don't exist
*/
public function get_user_id_for_uniqueid($uniqueid) {
return self::get_user_id_for_uniqueid_static($this->get_instance()->id, $uniqueid);
}
/**
* Lookup this unique id and return the user id for this assignment.
*
* @param int $assignid The id of the assignment this user mapping is in
* @param int $uniqueid The uniqueid to lookup
* @return int The user id or false if they don't exist
*/
public static function get_user_id_for_uniqueid_static($assignid, $uniqueid) {
global $DB;
// Search for a record.
if ($record = $DB->get_record('assign_user_mapping',
array('assignment'=>$assignid, 'id'=>$uniqueid),
'userid',
IGNORE_MISSING)) {
return $record->userid;
}
return false;
}
/**
* Get the list of marking_workflow states the current user has permission to transition a grade to.
*
* @return array of state => description
*/
public function get_marking_workflow_states_for_current_user() {
if (!empty($this->markingworkflowstates)) {
return $this->markingworkflowstates;
}
$states = array();
if (has_capability('mod/assign:grade', $this->context)) {
$states[ASSIGN_MARKING_WORKFLOW_STATE_INMARKING] = get_string('markingworkflowstateinmarking', 'assign');
$states[ASSIGN_MARKING_WORKFLOW_STATE_READYFORREVIEW] = get_string('markingworkflowstatereadyforreview', 'assign');
}
if (has_any_capability(array('mod/assign:reviewgrades',
'mod/assign:managegrades'), $this->context)) {
$states[ASSIGN_MARKING_WORKFLOW_STATE_INREVIEW] = get_string('markingworkflowstateinreview', 'assign');
$states[ASSIGN_MARKING_WORKFLOW_STATE_READYFORRELEASE] = get_string('markingworkflowstatereadyforrelease', 'assign');
}
if (has_any_capability(array('mod/assign:releasegrades',
'mod/assign:managegrades'), $this->context)) {
$states[ASSIGN_MARKING_WORKFLOW_STATE_RELEASED] = get_string('markingworkflowstatereleased', 'assign');
}
$this->markingworkflowstates = $states;
return $this->markingworkflowstates;
}
/**
* Check is only active users in course should be shown.
*
* @return bool true if only active users should be shown.
*/
public function show_only_active_users() {
global $CFG;
if (is_null($this->showonlyactiveenrol)) {
$defaultgradeshowactiveenrol = !empty($CFG->grade_report_showonlyactiveenrol);
$this->showonlyactiveenrol = get_user_preferences('grade_report_showonlyactiveenrol', $defaultgradeshowactiveenrol);
if (!is_null($this->context)) {
$this->showonlyactiveenrol = $this->showonlyactiveenrol ||
!has_capability('moodle/course:viewsuspendedusers', $this->context);
}
}
return $this->showonlyactiveenrol;
}
/**
* Return true is user is active user in course else false
*
* @param int $userid
* @return bool true is user is active in course.
*/
public function is_active_user($userid) {
return !in_array($userid, get_suspended_userids($this->context, true));
}
/**
* Returns true if gradebook feedback plugin is enabled
*
* @return bool true if gradebook feedback plugin is enabled and visible else false.
*/
public function is_gradebook_feedback_enabled() {
// Get default grade book feedback plugin.
$adminconfig = $this->get_admin_config();
$gradebookplugin = $adminconfig->feedback_plugin_for_gradebook;
$gradebookplugin = str_replace('assignfeedback_', '', $gradebookplugin);
// Check if default gradebook feedback is visible and enabled.
$gradebookfeedbackplugin = $this->get_feedback_plugin_by_type($gradebookplugin);
if ($gradebookfeedbackplugin->is_visible() && $gradebookfeedbackplugin->is_enabled()) {
return true;
}
// Gradebook feedback plugin is either not visible/enabled.
return false;
}
}
/**
* Portfolio caller class for mod_assign.
*
* @package mod_assign
* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class assign_portfolio_caller extends portfolio_module_caller_base {
/** @var int callback arg - the id of submission we export */
protected $sid;
/** @var string component of the submission files we export*/
protected $component;
/** @var string callback arg - the area of submission files we export */
protected $area;
/** @var int callback arg - the id of file we export */
protected $fileid;
/** @var int callback arg - the cmid of the assignment we export */
protected $cmid;
/** @var string callback arg - the plugintype of the editor we export */
protected $plugin;
/** @var string callback arg - the name of the editor field we export */
protected $editor;
/**
* Callback arg for a single file export.
*/
public static function expected_callbackargs() {
return array(
'cmid' => true,
'sid' => false,
'area' => false,
'component' => false,
'fileid' => false,
'plugin' => false,
'editor' => false,
);
}
/**
* The constructor.
*
* @param array $callbackargs
*/
public function __construct($callbackargs) {
parent::__construct($callbackargs);
$this->cm = get_coursemodule_from_id('assign', $this->cmid, 0, false, MUST_EXIST);
}
/**
* Load data needed for the portfolio export.
*
* If the assignment type implements portfolio_load_data(), the processing is delegated
* to it. Otherwise, the caller must provide either fileid (to export single file) or
* submissionid and filearea (to export all data attached to the given submission file area)
* via callback arguments.
*
* @throws portfolio_caller_exception
*/
public function load_data() {
$context = context_module::instance($this->cmid);
if (empty($this->fileid)) {
if (empty($this->sid) || empty($this->area)) {
throw new portfolio_caller_exception('invalidfileandsubmissionid', 'mod_assign');
}
}
// Export either an area of files or a single file (see function for more detail).
// The first arg is an id or null. If it is an id, the rest of the args are ignored.
// If it is null, the rest of the args are used to load a list of files from get_areafiles.
$this->set_file_and_format_data($this->fileid,
$context->id,
$this->component,
$this->area,
$this->sid,
'timemodified',
false);
}
/**
* Prepares the package up before control is passed to the portfolio plugin.
*
* @throws portfolio_caller_exception
* @return mixed
*/
public function prepare_package() {
if ($this->plugin && $this->editor) {
$options = portfolio_format_text_options();
$context = context_module::instance($this->cmid);
$options->context = $context;
$plugin = $this->get_submission_plugin();
$text = $plugin->get_editor_text($this->editor, $this->sid);
$format = $plugin->get_editor_format($this->editor, $this->sid);
$html = format_text($text, $format, $options);
$html = portfolio_rewrite_pluginfile_urls($html,
$context->id,
'mod_assign',
$this->area,
$this->sid,
$this->exporter->get('format'));
$exporterclass = $this->exporter->get('formatclass');
if (in_array($exporterclass, array(PORTFOLIO_FORMAT_PLAINHTML, PORTFOLIO_FORMAT_RICHHTML))) {
if ($files = $this->exporter->get('caller')->get('multifiles')) {
foreach ($files as $file) {
$this->exporter->copy_existing_file($file);
}
}
return $this->exporter->write_new_file($html, 'assignment.html', !empty($files));
} else if ($this->exporter->get('formatclass') == PORTFOLIO_FORMAT_LEAP2A) {
$leapwriter = $this->exporter->get('format')->leap2a_writer();
$entry = new portfolio_format_leap2a_entry($this->area . $this->cmid,
$context->get_context_name(),
'resource',
$html);
$entry->add_category('web', 'resource_type');
$entry->author = $this->user;
$leapwriter->add_entry($entry);
if ($files = $this->exporter->get('caller')->get('multifiles')) {
$leapwriter->link_files($entry, $files, $this->area . $this->cmid . 'file');
foreach ($files as $file) {
$this->exporter->copy_existing_file($file);
}
}
return $this->exporter->write_new_file($leapwriter->to_xml(),
$this->exporter->get('format')->manifest_name(),
true);
} else {
debugging('invalid format class: ' . $this->exporter->get('formatclass'));
}
}
if ($this->exporter->get('formatclass') == PORTFOLIO_FORMAT_LEAP2A) {
$leapwriter = $this->exporter->get('format')->leap2a_writer();
$files = array();
if ($this->singlefile) {
$files[] = $this->singlefile;
} else if ($this->multifiles) {
$files = $this->multifiles;
} else {
throw new portfolio_caller_exception('invalidpreparepackagefile',
'portfolio',
$this->get_return_url());
}
$entryids = array();
foreach ($files as $file) {
$entry = new portfolio_format_leap2a_file($file->get_filename(), $file);
$entry->author = $this->user;
$leapwriter->add_entry($entry);
$this->exporter->copy_existing_file($file);
$entryids[] = $entry->id;
}
if (count($files) > 1) {
$baseid = 'assign' . $this->cmid . $this->area;
$context = context_module::instance($this->cmid);
// If we have multiple files, they should be grouped together into a folder.
$entry = new portfolio_format_leap2a_entry($baseid . 'group',
$context->get_context_name(),
'selection');
$leapwriter->add_entry($entry);
$leapwriter->make_selection($entry, $entryids, 'Folder');
}
return $this->exporter->write_new_file($leapwriter->to_xml(),
$this->exporter->get('format')->manifest_name(),
true);
}
return $this->prepare_package_file();
}
/**
* Fetch the plugin by its type.
*
* @return assign_submission_plugin
*/
protected function get_submission_plugin() {
global $CFG;
if (!$this->plugin || !$this->cmid) {
return null;
}
require_once($CFG->dirroot . '/mod/assign/locallib.php');
$context = context_module::instance($this->cmid);
$assignment = new assign($context, null, null);
return $assignment->get_submission_plugin_by_type($this->plugin);
}
/**
* Calculate a sha1 has of either a single file or a list
* of files based on the data set by load_data.
*
* @return string
*/
public function get_sha1() {
if ($this->plugin && $this->editor) {
$plugin = $this->get_submission_plugin();
$options = portfolio_format_text_options();
$options->context = context_module::instance($this->cmid);
$text = format_text($plugin->get_editor_text($this->editor, $this->sid),
$plugin->get_editor_format($this->editor, $this->sid),
$options);
$textsha1 = sha1($text);
$filesha1 = '';
try {
$filesha1 = $this->get_sha1_file();
} catch (portfolio_caller_exception $e) {
// No files.
}
return sha1($textsha1 . $filesha1);
}
return $this->get_sha1_file();
}
/**
* Calculate the time to transfer either a single file or a list
* of files based on the data set by load_data.
*
* @return int
*/
public function expected_time() {
return $this->expected_time_file();
}
/**
* Checking the permissions.
*
* @return bool
*/
public function check_permissions() {
$context = context_module::instance($this->cmid);
return has_capability('mod/assign:exportownsubmission', $context);
}
/**
* Display a module name.
*
* @return string
*/
public static function display_name() {
return get_string('modulename', 'assign');
}
/**
* Return array of formats supported by this portfolio call back.
*
* @return array
*/
public static function base_supported_formats() {
return array(PORTFOLIO_FORMAT_FILE, PORTFOLIO_FORMAT_LEAP2A);
}
}