moodle/mod/glossary/rate.php

106 lines
3.5 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 = get_record('glossary', 'id', $glossaryid)) {
error("Incorrect glossary id");
}
if (!$course = get_record('course', 'id', $glossary->course)) {
error("Course ID was incorrect");
}
if (!$cm = get_coursemodule_from_instance('glossary', $glossary->id)) {
error("Course Module ID was incorrect");
}
require_login($course, false, $cm);
if (isguestuser()) {
error("Guests are not allowed to rate entries.");
}
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
if (!$glossary->assessed) {
error("Rating of items not allowed!");
}
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 = get_record('glossary_entries', 'id', $entryid)) {
continue;
}
if ($entry->glossaryid != $glossary->id) {
error("This is not valid entry!");
}
if ($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 = get_record("glossary_ratings", "userid", $USER->id, "entryid", $entry->id)) {
//Check if we must delete the rate
if ($rating == -999) {
delete_records('glossary_ratings','userid',$oldrating->userid, 'entryid',$oldrating->entryid);
glossary_update_grades($glossary, $entry->userid);
} else if ($rating != $oldrating->rating) {
$oldrating->rating = $rating;
$oldrating->time = time();
if (! update_record("glossary_ratings", $oldrating)) {
error("Could not update an old rating ($entry = $rating)");
}
glossary_update_grades($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 (! insert_record("glossary_ratings", $newrating)) {
error("Could not insert a new rating ($entry->id = $rating)");
}
glossary_update_grades($glossary, $entry->userid);
}
}
redirect($returnurl, get_string("ratingssaved", "glossary"));
} else {
error("This page was not accessed correctly");
}
?>