/**
  * This method allows to create relationships for a pizza to ingredients
  * @param integer id the id of the pizza
  */
 public function actionCreateLinkIngredient($id)
 {
     $pizza = Pizza::find()->where(['id' => $id])->one();
     if (!$pizza) {
         throw new HttpException(404, "Pizza with id:{$id}, Not found.");
     }
     $params = Yii::$app->request->bodyParams;
     foreach ($params["data"] as $array_ingredient) {
         $ingredient = Ingredient::find()->where(['id' => $array_ingredient["id"]])->one();
         if (!$ingredient) {
             throw new HttpException(404, "Ingredient with id:{$id}, Not found.");
         } else {
             if (!isset($array_ingredient["quantity"])) {
                 throw new HttpException(409, "You must enter a quantity when assigning an ingredient to a pizza.");
             } else {
                 $pizza_ingredient = PizzaIngredient::find()->where(['pizza_id' => $pizza->id, 'ingredient_id' => $ingredient->id]);
                 /*if (!$pizza_ingredient)
                 		{*/
                 $pizza_ingredient = new PizzaIngredient();
                 $pizza_ingredient->pizza_id = $pizza->id;
                 $pizza_ingredient->ingredient_id = $ingredient->id;
                 $pizza_ingredient->quantity = $array_ingredient["quantity"];
                 $pizza_ingredient->save();
                 //}
             }
         }
     }
 }