/**
* Delete a comment
*
* @param int $commentid
* @return bool
*/
public function delete($commentid)
{
global $DB, $USER;
$candelete = has_capability('moodle/comment:delete', $this->context);
if (!($comment = $DB->get_record('comments', array('id' => $commentid)))) {
throw new comment_exception('dbupdatefailed');
}
if (!($USER->id == $comment->userid || !empty($candelete))) {
throw new comment_exception('nopermissiontocomment');
}
$DB->delete_records('comments', array('id' => $commentid));
// Trigger comment delete event.
if (core_component::is_core_subsystem($this->component)) {
$eventclassname = '\\core\\event\\' . $this->component . '_comment_deleted';
} else {
$eventclassname = '\\' . $this->component . '\\event\\comment_deleted';
}
if (class_exists($eventclassname)) {
$event = $eventclassname::create(array('context' => $this->context, 'objectid' => $commentid, 'other' => array('itemid' => $this->itemid)));
$event->add_record_snapshot('comments', $comment);
$event->trigger();
}
return true;
}
