sell product changes

common/models/Discount.php

@@ -103,4 +103,19 @@ class Discount extends \yii\db\ActiveRecord
     	return $result;
     }
     
+    public static  function read(){
+    	return Discount::find()->andWhere([ 'status' => self::STATUS_ACTIVE ])->all();
+    }
+    
+    /**
+     * @param integer $money
+     * @param common\models\Discount $discount
+     * */
+    public static function applyDiscount($money,$discount){
+    	$result  = $money;
+    	$valueOfDiscount =  $money  * $discount->value * 100;
+    	$result = $money - $valueOfDiscount;
+    	return $result;
+    }
+    
 }