/**
* Check if dialog is exist
*
* @param integer $senderId
* @param integer $dialogId
* @return bool|PoprigunChatDialog
*/
public static function getDialog($senderId, $dialogId)
{
$dialog = PoprigunChatDialog::find()->innerJoinWith('poprigunChatUsers')->where([PoprigunChatDialog::tableName() . '.id' => $dialogId, PoprigunChatUser::tableName() . '.user_id' => $senderId])->one();
return $dialog;
}
