add customer cart

common/components/CurrencyAwareBehavior.php

@@ -0,0 +1,24 @@
+<?php
+namespace common\components;
+
+use yii\base\Behavior;
+use common\models\Currency;
+
+class CurrencyAwareBehavior extends Behavior{
+	
+	
+	public function getCurrencyName(){
+		$result = "";
+		$currency = $this->owner->currency;
+		if (isset($currency)){
+			$result  = $currency->name;
+		}
+		return $result;
+	}
+
+	
+	public function getCurrency(){
+		return $this->owner->hasOne( Currency::className(), ["id_currency" =>"id_currency" ] ) ;
+	}
+	
+}