public function actionDisplayCouponByType()
{
$type = $_GET['type'];
$couponDetail = new Coupon();
$resultType = $couponDetail->couponDetailByType($type);
if (count($resultType) == 0) {
echo '<strong>oops!!</strong><br>Looks like there\'s no offer for you...:(<br>';
} else {
return $this->renderPartial('displaycouponbytype', ['resultType' => $resultType]);
}
}