public static function release_lock($UID, $entity_type, $user) { // add record to lock table in order to specify that the kbit is no longer locked // NOTE: it is recomended to implement the lock in separated class if (Lock::is_locked($UID, $entity_type) == false) { debugLog::log("<i>[Lock::release_lock]:</i> cannot release lock of [" . $entity_type . "]: " . $UID . " because it is not locked"); return false; } if (Lock::is_locked_by_user($UID, $entity_type, $user) == false) { debugLog::log("<i>[Lock::release_lock]:</i>cannot release lock of [" . $entity_type . "]: " . $UID . " because it is not locked by the same user"); return false; } $dbObj = new dbAPI(); // disable lock records $query = "UPDATE CONTENT_LOCK SET ENABLED = 0 WHERE LOCKED_UID = '" . $UID . "' AND ENTITY_TYPE = '" . $entity_type . "' AND LOCK_STATUS = 'LOCKED' AND ENABLED = 1 "; $results = $dbObj->run_query($dbObj->db_get_contentDB(), $query); if ($results == false) { debugLog::log("<i>[Lock::release_lock]:</i>cannot release lock of [" . $entity_type . "]: " . $UID . " because of database update error"); return false; } // add release record $query = "INSERT INTO CONTENT_LOCK (LOCKED_UID, ENTITY_TYPE, ENABLED, LOCK_STATUS, USER_ID, CREATION_DATE) VALUES (" . $UID . ", '" . $entity_type . "', 1, 'UNLOCKED', " . $user . ",'" . date("Y-m-d H:i:s") . "')"; return $dbObj->run_query($dbObj->db_get_contentDB(), $query) == true; }