add cassaopen/default account behaviors

frontend/components/DefaultAccountBehavior.php

@@ -0,0 +1,31 @@
+<?php
+namespace frontend\components;
+
+use yii\base\Behavior;
+use yii\web\Controller;
+use common\models\Account;
+
+class DefaultAccountBehavior extends Behavior
+{
+	// ...
+
+	public function events()
+	{
+		return [
+				Controller::EVENT_BEFORE_ACTION => 'validateDefaultAccount',
+		];
+	}
+
+	public function validateDefaultAccount($event){
+		echo "deafult";
+		
+		$account = Account::readDefault();
+		if ( !isset($account) ){
+			$this->owner->redirect([ 'account/select' ]);
+			\Yii::$app->session->setFlash ( 'error', 'Válassz kasszát!!');
+			$event->isValid = false;
+			$event->handled = true;
+			return false;
+		}
+	}
+}