/**
* Locks (prevent updates to) submissions in this setaskment.
*
* @param int $setaskmentid The id of the setaskment
* @param array $userids Array of user ids to lock
* @return array of warnings for each submission that could not be locked.
* @since Moodle 2.6
*/
public static function unlock_submissions($setaskmentid, $userids)
{
global $CFG;
require_once "{$CFG->dirroot}/mod/setask/locallib.php";
$params = self::validate_parameters(self::unlock_submissions_parameters(), array('setaskmentid' => $setaskmentid, 'userids' => $userids));
$cm = get_coursemodule_from_instance('setask', $params['setaskmentid'], 0, false, MUST_EXIST);
$context = context_module::instance($cm->id);
self::validate_context($context);
$setaskment = new setask($context, $cm, null);
$warnings = array();
foreach ($params['userids'] as $userid) {
if (!$setaskment->unlock_submission($userid)) {
$detail = 'User id: ' . $userid . ', Assignment id: ' . $params['setaskmentid'];
$warnings[] = self::generate_warning($params['setaskmentid'], 'couldnotunlock', $detail);
}
}
return $warnings;
}