Squashed commit message

backend/src/app/Handlers/CartHandler.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Handlers;
+
+use App\Services\CartService;
+use Cart\Cart;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Acme\ECommerceFramework\Http\Request;
+
+class CartHandler
+{
+    private Cart $cart;
+    private CartService $cartService;
+
+    public function __construct(Cart $cart, CartService $cartService)
+    {
+        $this->cart = $cart;
+        $this->cartService = $cartService;
+    }
+
+    public function index(): JsonResponse
+    {
+        $items = $this->cartService->getCart();
+
+        return new JsonResponse([
+            'data' => $items,
+        ]);
+    }
+
+    public function checkout(Request $request): JsonResponse
+    {
+        $items = $request->json();
+
+        foreach ($items as $item) {
+            $options = [];
+
+            foreach ($item['options'] as $option) {
+                if (! empty($option['value']) && ! empty($option['value']['product_option_value_id'])) {
+                    $options[$option['product_option_id']] = $option['value']['product_option_value_id'];
+                }
+            }
+
+            $this->cart->add(
+                $item['productId'],
+                $item['quantity'],
+                $options,
+            );
+        }
+
+        return new JsonResponse([
+            'data' => $items,
+        ]);
+    }
+}