public function actionGetData($channelName)
{
$channel = Channel::find()->where(['channelName' => $channelName])->one();
if (!Yii::$app->user->isGuest) {
UserChannel::updateUserLastAccess($channel, Yii::$app->user->identity->id);
}
UserChannel::clearOfflineUsers();
$result = json_encode(['usersList' => $channel->formattedUsers, 'messages' => $channel->formattedMessages]);
return $result;
}
