feat: Implement comprehensive product management, including categories, pricing, and integration into the order system.

app/Services/Api/Order/OrderService.php

@@ -6,6 +6,7 @@ use App\Repositories\Api\Service\ServiceRepository;
 use App\Repositories\Api\Invoice\InvoiceRepository;
 use App\Repositories\Api\Order\OrderRepository;
 use Illuminate\Support\Facades\DB;
+use App\Enums\Order\OrderStatus;
 use Exception;
 
 class OrderService
@@ -18,6 +19,11 @@ class OrderService
 
     public function create(array $data, $customer)
     {
+        // Check for existing pending orders
+        if ($this->orderRepo->hasPendingOrder($customer->id)) {
+            throw new Exception('Bạn có đơn hàng chưa thanh toán. Vui lòng thanh toán trước khi tạo đơn mới.');
+        }
+
         return DB::transaction(function () use ($data, $customer) {
 
             $product = $this->productRepo->find($data['product_id']);
@@ -34,9 +40,10 @@ class OrderService
             }
 
             $order = $this->orderRepo->create([
+                'order_num' => \App\Helpers\OrderHelper::generateOrderNumber(),
                 'customer_id' => $customer->id,
                 'amount' => $price,
-                'status' => 'pending'
+                'status' => OrderStatus::PENDING->value
             ]);
 
             $this->orderRepo->createItem($order->id, [
@@ -44,7 +51,8 @@ class OrderService
                 'billing_cycle' => $data['billing_cycle'],
                 'server_name' => $data['server_name'] ?? null,
                 'os_id' => $data['os_id'] ?? null,
-                'price' => $price
+                'price' => $price,
+                'addons' => $data['addons'] ?? []
             ]);
 
             $invoice = $this->invoiceRepo->createFromOrder($order);
@@ -58,8 +66,8 @@ class OrderService
 
     public function pay($order, string $method)
     {
-        if ($order->status === 'paid') {
-            throw new Exception('Đơn hàng đã thanh toán');
+        if ($order->status !== OrderStatus::PENDING->value) {
+            throw new Exception('Đơn hàng đã được xử lý hoặc hủy bỏ.');
         }
 
         return $this->orderRepo->processPayment($order, $method);