feat: show errors direclty under the input

Improve error handling for coupon code input. Added a catch block to handle errors when adding a coupon code to the basket. The error message is now displayed directly under the input field, providing a better user experience.

Related: #20 (closed)

Closes #20 (closed)

ajax/frontend/redeem.php

@@ -32,9 +32,7 @@ function ($code, $orderHash) {
         } catch (QUI\ERP\Coupons\CouponCodeException $Exception) {
             QUI\System\Log::writeDebugException($Exception);
 
-//            QUI::getMessagesHandler()->addError($Exception->getMessage());
             throw $Exception;
-//            return false;
         } catch (Exception $Exception) {
             QUI\System\Log::writeException($Exception);
 
@@ -42,15 +40,6 @@ function ($code, $orderHash) {
                 'quiqqer/coupons',
                 'message.ajax.general_error'
             ]);
-
-//            QUI::getMessagesHandler()->addError(
-//                QUI::getLocale()->get(
-//                    'quiqqer/coupons',
-//                    'message.ajax.general_error'
-//                )
-//            );
-
-//            return false;
         }
 
         $Order = QUI\ERP\Order\Handler::getInstance()->getOrderByHash($orderHash);
@@ -67,15 +56,6 @@ function ($code, $orderHash) {
                     'quiqqer/coupons',
                     'exception.CouponCode.discounts_invalid'
                 ]);
-
-//                QUI::getMessagesHandler()->addError(
-//                    QUI::getLocale()->get(
-//                        'quiqqer/coupons',
-//                        'exception.CouponCode.discounts_invalid'
-//                    )
-//                );
-//
-//                return false;
             }
 
             if ($Discount->getAttribute('scope') === QUI\ERP\Discount\Handler::DISCOUNT_SCOPE_GRAND_TOTAL) {
@@ -84,15 +64,6 @@ function ($code, $orderHash) {
                         'quiqqer/coupons',
                         'exception.CouponCode.discounts_invalid'
                     ]);
-
-//                    QUI::getMessagesHandler()->addError(
-//                        QUI::getLocale()->get(
-//                            'quiqqer/coupons',
-//                            'exception.CouponCode.discounts_invalid'
-//                        )
-//                    );
-//
-//                    return false;
                 }
 
                 continue;
@@ -103,15 +74,6 @@ function ($code, $orderHash) {
                     'quiqqer/coupons',
                     'exception.CouponCode.discounts_invalid'
                 ]);
-
-//                QUI::getMessagesHandler()->addError(
-//                    QUI::getLocale()->get(
-//                        'quiqqer/coupons',
-//                        'exception.CouponCode.discounts_invalid'
-//                    )
-//                );
-//
-//                return false;
             }
         }
 
@@ -133,8 +95,6 @@ function ($code, $orderHash) {
         if ($Order instanceof QUI\ERP\Order\OrderInProcess) {
             $CouponCode->addToOrder($Order);
         }
-
-//        return true;
     },
     ['code', 'orderHash']
 );