add customer cart

common/components/DiscountAwareBehavior.php

@@ -0,0 +1,25 @@
+<?php
+namespace common\components;
+
+use yii\base\Behavior;
+use common\models\Account;
+use common\models\Discount;
+
+class DiscountAwareBehavior extends Behavior{
+	
+	
+	public function getDiscountName(){
+		$result = "";
+		$discount = $this->owner->discount;
+		if (isset($discount)){
+			$result  = $discount->name;
+		}
+		return $result;
+	}
+
+	
+	public function getDiscount(){
+		return $this->owner->hasOne( Discount::className(), ["id_discount" =>"id_discount" ] ) ;
+	}
+	
+}