/**
* Perform message extraction.
* @param mixed $subscriber_id
* @param int $limit
* @param int $mode one of: self::GET_DELETE, self::GET_RESERVE or self::GET_PEEK
* @return models\DbMessage[]
* @throws \yii\db\Exception
*/
protected function receiveInternal($subscriber_id = null, $limit = -1, $mode = self::GET_RESERVE)
{
$primaryKey = models\DbMessage::primaryKey();
$trx = models\DbMessage::getDb()->transaction !== null ? null : models\DbMessage::getDb()->beginTransaction();
$messages = models\DbMessage::find()->withQueue($this->id)->withSubscriber($subscriber_id)->available($this->timeout)->limit($limit)->indexBy($primaryKey[0])->all();
if (!empty($messages)) {
$now = new \DateTime('now', new \DateTimezone('UTC'));
if ($mode === self::GET_DELETE) {
$attributes = ['status' => Message::DELETED, 'deleted_on' => $now->format('Y-m-d H:i:s')];
} elseif ($mode === self::GET_RESERVE) {
$attributes = ['status' => Message::RESERVED, 'reserved_on' => $now->format('Y-m-d H:i:s')];
}
if (isset($attributes)) {
models\DbMessage::updateAll($attributes, ['in', models\DbMessage::primaryKey(), array_keys($messages)]);
}
}
if ($trx !== null) {
$trx->commit();
}
return models\DbMessage::createMessages($messages);
}
/**
* Fetches details of a single message, allows to release or delete it or sends a new message.
* @param string $queue_name
* @param string $subscriber_id
* @param string $message_id
* @return string|\yii\web\Response
* @throws ForbiddenHttpException
* @throws NotFoundHttpException
*/
public function actionMessage($queue_name, $subscriber_id = null, $message_id = null)
{
if (($subscriber_id = trim($subscriber_id)) === '') {
$subscriber_id = null;
}
/** @var QueueInterface $queue */
list($queue, $authItems) = $this->loadQueue($queue_name, ['nfy.message.read', 'nfy.message.create']);
$this->verifySubscriber($queue, $subscriber_id);
if ($queue instanceof components\DbQueue) {
$query = models\DbMessage::find()->withQueue($queue->id);
if ($subscriber_id !== null) {
$query->withSubscriber($subscriber_id);
}
$dbMessage = $query->andWhere(['in', models\DbMessage::tableName() . '.' . models\DbMessage::primaryKey()[0], $message_id])->one();
if ($dbMessage === null) {
throw new NotFoundHttpException(Yii::t("app", 'Message with given ID was not found.'));
}
$messages = models\DbMessage::createMessages($dbMessage);
$message = reset($messages);
} else {
$dbMessage = null;
//! @todo should we even bother to locate a single message by id?
$message = new components\Message();
$message->setAttributes(['id' => $message_id, 'subscriber_id' => $subscriber_id, 'status' => components\Message::AVAILABLE]);
}
if (isset($_POST['delete'])) {
$queue->delete($message->id, $message->subscriber_id);
return $this->redirect(['messages', 'queue_name' => $queue_name, 'subscriber_id' => $message->subscriber_id]);
}
return $this->render('message', ['queue' => $queue, 'queue_name' => $queue_name, 'dbMessage' => $dbMessage, 'message' => $message, 'authItems' => $authItems]);
}
