. /** * This page handles editing and creation of quiz overrides * * @package mod_quiz * @copyright 2010 Matt Petro * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ require_once(dirname(__FILE__) . '/../../config.php'); require_once($CFG->dirroot.'/mod/quiz/lib.php'); require_once($CFG->dirroot.'/mod/quiz/locallib.php'); require_once($CFG->dirroot.'/mod/quiz/override_form.php'); $cmid = optional_param('cmid', 0, PARAM_INT); $overrideid = optional_param('id', 0, PARAM_INT); $action = optional_param('action', null, PARAM_ALPHA); $reset = optional_param('reset', false, PARAM_BOOL); $override = null; if ($overrideid) { if (! $override = $DB->get_record('quiz_overrides', array('id' => $overrideid))) { print_error('invalidoverrideid', 'quiz'); } if (! $quiz = $DB->get_record('quiz', array('id' => $override->quiz))) { print_error('invalidcoursemodule'); } list($course, $cm) = get_course_and_cm_from_instance($quiz, 'quiz'); } else if ($cmid) { list($course, $cm) = get_course_and_cm_from_cmid($cmid, 'quiz'); $quiz = $DB->get_record('quiz', array('id' => $cm->instance), '*', MUST_EXIST); } else { print_error('invalidcoursemodule'); } $course = $DB->get_record('course', array('id'=>$cm->course), '*', MUST_EXIST); $url = new moodle_url('/mod/quiz/overrideedit.php'); if ($action) { $url->param('action', $action); } if ($overrideid) { $url->param('id', $overrideid); } else { $url->param('cmid', $cmid); } $PAGE->set_url($url); require_login($course, false, $cm); $context = context_module::instance($cm->id); // Add or edit an override. require_capability('mod/quiz:manageoverrides', $context); if ($overrideid) { // Editing an override. $data = clone $override; } else { // Creating a new override. $data = new stdClass(); } // Merge quiz defaults with data. $keys = array('timeopen', 'timeclose', 'timelimit', 'attempts', 'password'); foreach ($keys as $key) { if (!isset($data->{$key}) || $reset) { $data->{$key} = $quiz->{$key}; } } // If we are duplicating an override, then clear the user/group and override id // since they will change. if ($action === 'duplicate') { $override->id = null; $override->userid = null; $override->groupid = null; } // True if group-based override. $groupmode = !empty($data->groupid) || ($action === 'addgroup' && empty($overrideid)); $overridelisturl = new moodle_url('/mod/quiz/overrides.php', array('cmid'=>$cm->id)); if (!$groupmode) { $overridelisturl->param('mode', 'user'); } // Setup the form. $mform = new quiz_override_form($url, $cm, $quiz, $context, $groupmode, $override); $mform->set_data($data); if ($mform->is_cancelled()) { redirect($overridelisturl); } else if (optional_param('resetbutton', 0, PARAM_ALPHA)) { $url->param('reset', true); redirect($url); } else if ($fromform = $mform->get_data()) { // Process the data. $fromform->quiz = $quiz->id; // Replace unchanged values with null. foreach ($keys as $key) { if ($fromform->{$key} == $quiz->{$key}) { $fromform->{$key} = null; } } // See if we are replacing an existing override. $userorgroupchanged = false; if (empty($override->id)) { $userorgroupchanged = true; } else if (!empty($fromform->userid)) { $userorgroupchanged = $fromform->userid !== $override->userid; } else { $userorgroupchanged = $fromform->groupid !== $override->groupid; } if ($userorgroupchanged) { $conditions = array( 'quiz' => $quiz->id, 'userid' => empty($fromform->userid)? null : $fromform->userid, 'groupid' => empty($fromform->groupid)? null : $fromform->groupid); if ($oldoverride = $DB->get_record('quiz_overrides', $conditions)) { // There is an old override, so we merge any new settings on top of // the older override. foreach ($keys as $key) { if (is_null($fromform->{$key})) { $fromform->{$key} = $oldoverride->{$key}; } } // Set the course module id before calling quiz_delete_override(). $quiz->cmid = $cm->id; quiz_delete_override($quiz, $oldoverride->id); } } // Set the common parameters for one of the events we may be triggering. $params = array( 'context' => $context, 'other' => array( 'quizid' => $quiz->id ) ); if (!empty($override->id)) { $fromform->id = $override->id; $DB->update_record('quiz_overrides', $fromform); // Determine which override updated event to fire. $params['objectid'] = $override->id; if (!$groupmode) { $params['relateduserid'] = $fromform->userid; $event = \mod_quiz\event\user_override_updated::create($params); } else { $params['other']['groupid'] = $fromform->groupid; $event = \mod_quiz\event\group_override_updated::create($params); } // Trigger the override updated event. $event->trigger(); } else { unset($fromform->id); $fromform->id = $DB->insert_record('quiz_overrides', $fromform); // Determine which override created event to fire. $params['objectid'] = $fromform->id; if (!$groupmode) { $params['relateduserid'] = $fromform->userid; $event = \mod_quiz\event\user_override_created::create($params); } else { $params['other']['groupid'] = $fromform->groupid; $event = \mod_quiz\event\group_override_created::create($params); } // Trigger the override created event. $event->trigger(); } quiz_update_open_attempts(array('quizid'=>$quiz->id)); quiz_update_events($quiz, $fromform); if (!empty($fromform->submitbutton)) { redirect($overridelisturl); } // The user pressed the 'again' button, so redirect back to this page. $url->remove_params('cmid'); $url->param('action', 'duplicate'); $url->param('id', $fromform->id); redirect($url); } // Print the form. $pagetitle = get_string('editoverride', 'quiz'); $PAGE->navbar->add($pagetitle); $PAGE->set_pagelayout('admin'); $PAGE->set_title($pagetitle); $PAGE->set_heading($course->fullname); echo $OUTPUT->header(); echo $OUTPUT->heading(format_string($quiz->name, true, array('context' => $context))); $mform->display(); echo $OUTPUT->footer();