moodle/mod/glossary/rate.php

106 lines
3.6 KiB
PHP

<?php // $Id$
// Collect ratings, store them, then return to where we came from
require_once('../../config.php');
require_once('lib.php');
$glossaryid = required_param('glossaryid', PARAM_INT); // The forum the rated posts are from
if (!$glossary = $DB->get_record('glossary', array('id'=>$glossaryid))) {
print_error('invalidid', 'glossary');
}
if (!$course = $DB->get_record('course', array('id'=>$glossary->course))) {
print_error('invalidcourseid');
}
if (!$cm = get_coursemodule_from_instance('glossary', $glossary->id)) {
print_error('invalidcoursemodule');
}
require_login($course, false, $cm);
if (isguestuser()) {
print_error('guestnorate');
}
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
if (!$glossary->assessed) {
print_error('nopermissiontorate');
}
if ($glossary->assessed == 2) {
require_capability('mod/glossary:rate', $context);
}
if (!empty($_SERVER['HTTP_REFERER'])) {
$returnurl = $_SERVER['HTTP_REFERER'];
} else {
$returnurl = $CFG->wwwroot.'/mod/glossary/view.php?id='.$cm->id;
}
if ($data = data_submitted()) { // form submitted
foreach ((array)$data as $entryid => $rating) {
if (!is_numeric($entryid)) {
continue;
}
if (!$entry = $DB->get_record('glossary_entries', array('id'=>$entryid))) {
continue;
}
if ($entry->glossaryid != $glossary->id) {
print_error('invalidentry');
}
if ($glossary->assesstimestart and $glossary->assesstimefinish) {
if ($entry->timecreated < $glossary->assesstimestart or $entry->timecreated > $glossary->assesstimefinish) {
// we can not rate this, ignore it - this should not happen anyway unless teacher changes setting
continue;
}
}
if ($entry->userid == $USER->id) {
//can not rate own entry
continue;
}
if ($oldrating = $DB->get_record("glossary_ratings", array("userid"=>$USER->id, "entryid"=>$entry->id))) {
//Check if we must delete the rate
if ($rating == -999) {
$DB->delete_records('glossary_ratings', array('userid'=>$oldrating->userid, 'entryid'=>$oldrating->entryid));
glossary_update_grades($glossary, $entry->userid);
} else if ($rating != $oldrating->rating) {
$oldrating->rating = $rating;
$oldrating->time = time();
if (! $DB->update_record("glossary_ratings", $oldrating)) {
print_error('cannotinsertrate', 'error', '', (object)array('id'=>$entry->id, 'rating'=>$rating));
}
glossary_update_grades($glossary, $entry->userid);
}
} else if ($rating >= 0) {
$newrating = new object();
$newrating->userid = $USER->id;
$newrating->time = time();
$newrating->entryid = $entry->id;
$newrating->rating = $rating;
if (! $DB->insert_record("glossary_ratings", $newrating)) {
print_error('cannotinsertrate', 'error', '', (object)array('id'=>$entry->id, 'rating'=>$rating));
}
glossary_update_grades($glossary, $entry->userid);
}
}
redirect($returnurl, get_string("ratingssaved", "glossary"));
} else {
print_error('invalidaccess');
}
?>