"Virtual Actual and Preferred",
"-2" => "Virtual Preferred",
"-1" => "Virtual Actual",
"0" => "Text",
"1" => "Actual",
"2" => "Preferred",
"3" => "Actual and Preferred",
);
define("SURVEY_COLLES_ACTUAL", "1");
define("SURVEY_COLLES_PREFERRED", "2");
define("SURVEY_COLLES_PREFERRED_ACTUAL", "3");
define("SURVEY_ATTLS", "4");
define("SURVEY_CIQ", "5");
// STANDARD FUNCTIONS ////////////////////////////////////////////////////////
function survey_add_instance($survey) {
// Given an object containing all the necessary data,
// (defined by the form in mod.html) this function
// will create a new instance and return the id number
// of the new instance.
if (!$template = get_record("survey", "id", $survey->template)) {
return 0;
}
$survey->questions = $template->questions;
$survey->timecreated = time();
$survey->timemodified = $survey->timecreated;
return insert_record("survey", $survey);
}
function survey_update_instance($survey) {
// Given an object containing all the necessary data,
// (defined by the form in mod.html) this function
// will update an existing instance with new data.
if (!$template = get_record("survey", "id", $survey->template)) {
return 0;
}
$survey->id = $survey->instance;
$survey->questions = $template->questions;
$survey->timemodified = time();
return update_record("survey", $survey);
}
function survey_delete_instance($id) {
// Given an ID of an instance of this module,
// this function will permanently delete the instance
// and any data that depends on it.
if (! $survey = get_record("survey", "id", "$id")) {
return false;
}
$result = true;
if (! delete_records("survey_analysis", "survey", "$survey->id")) {
$result = false;
}
if (! delete_records("survey_answers", "survey", "$survey->id")) {
$result = false;
}
if (! delete_records("survey", "id", "$survey->id")) {
$result = false;
}
return $result;
}
function survey_user_outline($course, $user, $mod, $survey) {
if ($answers = get_records_select("survey_answers", "survey='$survey->id' AND userid='$user->id'")) {
$lastanswer = array_pop($answers);
$result->info = get_string("done", "survey");
$result->time = $lastanswer->time;
return $result;
}
return NULL;
}
function survey_user_complete($course, $user, $mod, $survey) {
global $CFG;
if (survey_already_done($survey->id, $user->id)) {
if ($survey->template == SURVEY_CIQ) { // print out answers for critical incidents
$table = NULL;
$table->align = array("left", "left");
$questions = get_records_list("survey_questions", "id", $survey->questions);
$questionorder = explode(",", $survey->questions);
foreach ($questionorder as $key=>$val) {
$question = $questions[$val];
$questiontext = get_string($question->shorttext, "survey");
if ($answer = survey_get_user_answer($survey->id, $question->id, $user->id)) {
$answertext = "$answer->answer1";
} else {
$answertext = "No answer";
}
$table->data[] = array("$questiontext", $answertext);
}
print_table($table);
} else {
survey_print_graph("id=$mod->id&sid=$user->id&type=student.png");
}
} else {
print_string("notdone", "survey");
}
}
function survey_print_recent_activity($course, $viewfullnames, $timestart) {
global $CFG;
$modinfo = get_fast_modinfo($course);
$ids = array();
foreach ($modinfo->cms as $cm) {
if ($cm->modname != 'survey') {
continue;
}
if (!$cm->uservisible) {
continue;
}
$ids[$cm->instance] = $cm->instance;
}
if (!$ids) {
return false;
}
$slist = implode(',', $ids); // there should not be hundreds of glossaries in one course, right?
if (!$rs = get_recordset_sql("SELECT sa.userid, sa.survey, MAX(sa.time) AS time,
u.firstname, u.lastname, u.email, u.picture
FROM {$CFG->prefix}survey_answers sa
JOIN {$CFG->prefix}user u ON u.id = sa.userid
WHERE sa.survey IN ($slist) AND sa.time > $timestart
GROUP BY sa.userid, sa.survey, u.firstname, u.lastname, u.email, u.picture
ORDER BY time ASC")) {
return false;
}
$surveys = array();
while ($survey = rs_fetch_next_record($rs)) {
$cm = $modinfo->instances['survey'][$survey->survey];
$survey->name = $cm->name;
$survey->cmid = $cm->id;
$surveys[] = $survey;
}
rs_close($rs);
if (!$surveys) {
return false;
}
print_headline(get_string('newsurveyresponses', 'survey').':');
foreach ($surveys as $survey) {
$url = $CFG->wwwroot.'/mod/survey/view.php?id='.$survey->cmid;
print_recent_activity_note($survey->time, $survey, $survey->name, $url, false, $viewfullnames);
}
return true;
}
function survey_get_participants($surveyid) {
//Returns the users with data in one survey
//(users with records in survey_analysis and survey_answers, students)
global $CFG;
//Get students from survey_analysis
$st_analysis = get_records_sql("SELECT DISTINCT u.id, u.id
FROM {$CFG->prefix}user u,
{$CFG->prefix}survey_analysis a
WHERE a.survey = '$surveyid' and
u.id = a.userid");
//Get students from survey_answers
$st_answers = get_records_sql("SELECT DISTINCT u.id, u.id
FROM {$CFG->prefix}user u,
{$CFG->prefix}survey_answers a
WHERE a.survey = '$surveyid' and
u.id = a.userid");
//Add st_answers to st_analysis
if ($st_answers) {
foreach ($st_answers as $st_answer) {
$st_analysis[$st_answer->id] = $st_answer;
}
}
//Return st_analysis array (it contains an array of unique users)
return ($st_analysis);
}
// SQL FUNCTIONS ////////////////////////////////////////////////////////
function survey_log_info($log) {
global $CFG;
return get_record_sql("SELECT s.name, u.firstname, u.lastname, u.picture
FROM {$CFG->prefix}survey s,
{$CFG->prefix}user u
WHERE s.id = '$log->info'
AND u.id = '$log->userid'");
}
function survey_get_responses($surveyid, $groupid, $groupingid) {
global $CFG;
if ($groupid) {
$groupsjoin = "INNER JOIN {$CFG->prefix}groups_members gm ON u.id = gm.userid AND gm.groupid = '$groupid' ";
} else if ($groupingid) {
$groupsjoin = "INNER JOIN {$CFG->prefix}groups_members gm ON u.id = gm.userid
INNER JOIN {$CFG->prefix}groupings_groups gg ON gm.groupid = gg.groupid AND gg.groupingid = $groupingid ";
} else {
$groupsjoin = "";
}
return get_records_sql("SELECT u.id, u.firstname, u.lastname, u.picture, MAX(a.time) as time
FROM {$CFG->prefix}survey_answers a
INNER JOIN {$CFG->prefix}user u ON a.userid = u.id
$groupsjoin
WHERE a.survey = $surveyid
GROUP BY u.id, u.firstname, u.lastname, u.picture
ORDER BY time ASC");
}
function survey_get_analysis($survey, $user) {
global $CFG;
return get_record_sql("SELECT notes
FROM {$CFG->prefix}survey_analysis
WHERE survey='$survey'
AND userid='$user'");
}
function survey_update_analysis($survey, $user, $notes) {
global $CFG;
return execute_sql("UPDATE {$CFG->prefix}survey_analysis
SET notes='$notes'
WHERE survey='$survey'
AND userid='$user'");
}
function survey_get_user_answers($surveyid, $questionid, $groupid, $sort="sa.answer1,sa.answer2 ASC") {
global $CFG;
if ($groupid) {
$groupsql = "AND gm.groupid = $groupid AND u.id = gm.userid";
} else {
$groupsql = "";
}
return get_records_sql("SELECT sa.*,u.firstname,u.lastname,u.picture
FROM {$CFG->prefix}survey_answers sa,
{$CFG->prefix}user u,
{$CFG->prefix}groups_members gm
WHERE sa.survey = '$surveyid'
AND sa.question = $questionid
AND u.id = sa.userid $groupsql
ORDER BY $sort");
}
function survey_get_user_answer($surveyid, $questionid, $userid) {
global $CFG;
return get_record_sql("SELECT sa.*
FROM {$CFG->prefix}survey_answers sa
WHERE sa.survey = '$surveyid'
AND sa.question = '$questionid'
AND sa.userid = '$userid'");
}
// MODULE FUNCTIONS ////////////////////////////////////////////////////////
function survey_add_analysis($survey, $user, $notes) {
global $CFG;
$record->survey = $survey;
$record->userid = $user;
$record->notes = $notes;
return insert_record("survey_analysis", $record, false);
}
function survey_already_done($survey, $user) {
return record_exists("survey_answers", "survey", $survey, "userid", $user);
}
function survey_count_responses($surveyid, $groupid, $groupingid) {
if ($responses = survey_get_responses($surveyid, $groupid, $groupingid)) {
return count($responses);
} else {
return 0;
}
}
function survey_print_all_responses($cmid, $results, $courseid) {
$table->head = array ("", get_string("name"), get_string("time"));
$table->align = array ("", "left", "left");
$table->size = array (35, "", "" );
foreach ($results as $a) {
$table->data[] = array(print_user_picture($a->id, $courseid, $a->picture, false, true, false),
"id&id=$cmid\">".fullname($a)."",
userdate($a->time));
}
print_table($table);
}
function survey_get_template_name($templateid) {
global $db;
if ($templateid) {
if ($ss = get_record("surveys", "id", $templateid)) {
return $ss->name;
}
} else {
return "";
}
}
function survey_shorten_name ($name, $numwords) {
$words = explode(" ", $name);
for ($i=0; $i < $numwords; $i++) {
$output .= $words[$i]." ";
}
return $output;
}
function survey_print_multi($question) {
global $USER, $db, $qnum, $checklist;
$stripreferthat = get_string("ipreferthat", "survey");
$strifoundthat = get_string("ifoundthat", "survey");
$strdefault = get_string('default');
$strresponses = get_string('responses', 'survey');
print_heading($question->text, null, 3, 'questiontext');
echo "\n
";
}
function survey_print_single($question) {
global $db, $qnum;
$rowclass = survey_question_rowclass(0);
$qnum++;
echo " \n";
echo "
\n";
echo "
";
echo "
\n";
echo "
\n";
if ($question->type == 0) { // Plain text field
echo "";
} else if ($question->type > 0) { // Choose one of a number
$strchoose = get_string("choose");
echo "";
} else if ($question->type < 0) { // Choose several of a number
$options = explode( ",", $question->options);
notify("This question type not supported yet");
}
echo "
";
}
function survey_question_rowclass($qnum) {
if ($qnum) {
return $qnum % 2 ? 'r0' : 'r1';
} else {
return 'r0';
}
}
function survey_print_graph($url) {
global $CFG, $SURVEY_GHEIGHT, $SURVEY_GWIDTH;
if (empty($CFG->gdversion)) {
echo "(".get_string("gdneed").")";
} else {
echo "wwwroot/mod/survey/graph.php?$url\" alt=\"".get_string("surveygraph", "survey")."\" />";
}
}
function survey_get_view_actions() {
return array('download','view all','view form','view graph','view report');
}
function survey_get_post_actions() {
return array('submit');
}
/**
* Implementation of the function for printing the form elements that control
* whether the course reset functionality affects the survey.
* @param $mform form passed by reference
*/
function survey_reset_course_form_definition(&$mform) {
$mform->addElement('header', 'surveyheader', get_string('modulenameplural', 'survey'));
$mform->addElement('checkbox', 'reset_survey_answers', get_string('deleteallanswers','survey'));
$mform->addElement('checkbox', 'reset_survey_analysis', get_string('deleteanalysis','survey'));
$mform->disabledIf('reset_survey_analysis', 'reset_survey_answers', 'checked');
}
/**
* Course reset form defaults.
*/
function survey_reset_course_form_defaults($course) {
return array('reset_survey_answers'=>1, 'reset_survey_analysis'=>1);
}
/**
* Actual implementation of the rest coures functionality, delete all the
* survey responses for course $data->courseid.
* @param $data the data submitted from the reset course.
* @return array status array
*/
function survey_reset_userdata($data) {
global $CFG;
$componentstr = get_string('modulenameplural', 'survey');
$status = array();
$surveyssql = "SELECT ch.id
FROM {$CFG->prefix}survey ch
WHERE ch.course={$data->courseid}";
if (!empty($data->reset_survey_answers)) {
delete_records_select('survey_answers', "survey IN ($surveyssql)");
delete_records_select('survey_analysis', "survey IN ($surveyssql)");
$status[] = array('component'=>$componentstr, 'item'=>get_string('deleteallanswers', 'survey'), 'error'=>false);
}
if (!empty($data->reset_survey_analysis)) {
delete_records_select('survey_analysis', "survey IN ($surveyssql)");
$status[] = array('component'=>$componentstr, 'item'=>get_string('deleteallanswers', 'survey'), 'error'=>false);
}
// no date shifting
return $status;
}
/**
* Returns all other caps used in module
*/
function survey_get_extra_capabilities() {
return array('moodle/site:accessallgroups');
}
?>