/**
  * Displays homepage.
  *
  * @return mixed
  */
 public function actionIndex()
 {
     $Prod = new Product();
     $Number_Of_Products = $Prod->getNumberOfProducts();
     $max = $Number_Of_Products[0]["COUNT('product_id')"];
     $Rand_Prod = array();
     $numbers = range(1, $max);
     shuffle($numbers);
     if ($max >= 9) {
         foreach (range(0, 8) as $number) {
             array_push($Rand_Prod, $product = Product::find()->where(['product_id' => $numbers[$number]])->one());
         }
     } else {
         throw new \yii\base\UserException("Add At Lease 9 Products to Database" . "\n" . "Products in Database : " . $max);
     }
     return $this->render('index', ['Rand' => $Rand_Prod]);
 }