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106 lines
3.6 KiB
PHP
106 lines
3.6 KiB
PHP
<?php // $Id$
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// Collect ratings, store them, then return to where we came from
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require_once('../../config.php');
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require_once('lib.php');
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$forumid = required_param('forumid', PARAM_INT); // The forum the rated posts are from
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if (!$forum = $DB->get_record('forum', array('id' => $forumid))) {
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print_error('invalidforumid', 'forum');
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}
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if (!$course = $DB->get_record('course', array('id' => $forum->course))) {
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print_error('invalidcourseid');
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}
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if (!$cm = get_coursemodule_from_instance('forum', $forum->id)) {
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print_error('invalidcoursemodule');
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} else {
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$forum->cmidnumber = $cm->id; //MDL-12961
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}
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require_login($course, false, $cm);
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if (isguestuser()) {
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print_error('noguestrate', 'forum');
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}
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if (!$forum->assessed) {
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print_error('norate', 'forum');
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}
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$context = get_context_instance(CONTEXT_MODULE, $cm->id);
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require_capability('mod/forum:rate', $context);
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if ($data = data_submitted()) {
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$discussionid = false;
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foreach ((array)$data as $postid => $rating) {
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if (!is_numeric($postid)) {
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continue;
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}
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// following query validates the submitted postid too
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$sql = "SELECT fp.*
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FROM {forum_posts} fp, {forum_discussions} fd
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WHERE fp.id = ? AND fp.discussion = fd.id AND fd.forum = ?";
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if (!$post = $DB->get_record_sql($sql, array($postid, $forum->id))) {
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print_error('invalidpostid', 'forum', '', $postid);
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}
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$discussionid = $post->discussion;
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if ($forum->assesstimestart and $forum->assesstimefinish) {
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if ($post->created < $forum->assesstimestart or $post->created > $forum->assesstimefinish) {
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// we can not rate this, ignore it - this should not happen anyway unless teacher changes setting
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continue;
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}
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}
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if ($rating == FORUM_UNSET_POST_RATING) {
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$DB->delete_records('forum_ratings', array('post' => $postid, 'userid' => $USER->id));
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forum_update_grades($forum, $post->userid);
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} else if ($oldrating = $DB->get_record('forum_ratings', 'userid', $USER->id, 'post', $post->id)) {
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if ($rating != $oldrating->rating) {
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$oldrating->rating = $rating;
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$oldrating->time = time();
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if (!$DB->update_record('forum_ratings', $oldrating)) {
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print_error('cannotupdaterate', 'forum', '',
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array($post->id, $rating));
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}
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forum_update_grades($forum, $post->userid);
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}
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} else {
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$newrating = new object();
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$newrating->userid = $USER->id;
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$newrating->time = time();
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$newrating->post = $post->id;
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$newrating->rating = $rating;
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if (! $DB->insert_record('forum_ratings', $newrating)) {
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print_error('cannotinsertrate', 'forum', '',
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array($postid, $rating));
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}
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forum_update_grades($forum, $post->userid);
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}
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}
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if ($forum->type == 'single' or !$discussionid) {
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redirect("$CFG->wwwroot/mod/forum/view.php?id=$cm->id", get_string('ratingssaved', 'forum'));
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} else {
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redirect("$CFG->wwwroot/mod/forum/discuss.php?d=$discussionid", get_string('ratingssaved', 'forum'));
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}
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} else {
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print_error('invalidaccess', 'forum');
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}
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?>
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