bubasuma\simplechat\controllers\ControllerTrait::actionMessages PHP Method

    public function actionMessages($contactId)
    {
        $userId = $this->user->getId();
        $request = \Yii::$app->request;
        $limit = $request->get('limit', $request->post('limit'));
        $key = $request->get('key', $request->post('key'));
        $history = strcmp('new', $request->get('type', $request->post('type')));
        /** @var $messageClass Message */
        $messageClass = $this->messageClass;
        return $messageClass::get($userId, $contactId, $limit, $history, $key);
    }