feat(billing): renewals, coupons, VAT numbering, billing cycles and invoice payment tracking

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

app/Http/Resources/Api/Service/Order/InvoiceDetailResource.php

@@ -3,6 +3,7 @@
 namespace App\Http\Resources\Api\Service\Order;
 
 use App\Enums\Invoice\InvoiceStatus;
+use App\Enums\Order\OrderStatus;
 use App\Models\InvoiceAttachment;
 use Illuminate\Http\Request;
 use Illuminate\Http\Resources\Json\JsonResource;
@@ -20,7 +21,10 @@ class InvoiceDetailResource extends JsonResource
             'status_text' => InvoiceStatus::tryFrom((int) $this->status)?->label() ?? '-',
             'sub_total' => (float) $this->sub_total,
             'discount_amount' => (float) ($this->discount_amount ?? 0),
+            'coupon_code' => $this->coupon_code,
             'tax' => (float) $this->tax,
+            'lookup_code' => $this->lookup_code,
+            'vat_number' => $this->vat_number,
             'total' => (float) $this->total,
             // Công nợ: đã thu / còn thiếu. Dịch vụ chỉ kích hoạt khi outstanding = 0.
             'amount_paid' => (float) $this->amount_paid,
@@ -37,7 +41,10 @@ class InvoiceDetailResource extends JsonResource
             ]),
             'order' => $this->whenLoaded('order', fn () => [
                 'order_num' => $this->order->order_num,
+                'status' => (int) $this->order->status,
+                'status_text' => OrderStatus::tryFrom((int) $this->order->status)?->label() ?? '-',
                 'total' => (float) $this->order->total,
+                'created_at' => $this->order->created_at?->toISOString(),
             ]),
             'items' => $this->whenLoaded('order', fn () => $this->order->orderItems->map(fn ($item) => [
                 'product_name' => $item->product?->name,
@@ -47,8 +54,9 @@ class InvoiceDetailResource extends JsonResource
                 'months' => $item->months,
                 'os_id' => $item->os_id,
             ])->values()->all()),
+            'service' => $this->whenLoaded('order', fn () => $this->resolveService()),
             'attachments' => $this->whenLoaded('attachments', fn () => $this->attachments
-                ->where('type', '!=', InvoiceAttachment::TYPE_DEPLOYMENT)
+                ->whereNotIn('type', [InvoiceAttachment::TYPE_DEPLOYMENT, InvoiceAttachment::TYPE_CONTRACT])
                 ->values()
                 ->map(fn ($a) => [
                 'filename' => $a->filename,
@@ -62,6 +70,24 @@ class InvoiceDetailResource extends JsonResource
         ];
     }
 
+    private function resolveService(): ?array
+    {
+        $items = $this->order->orderItems;
+        $item = $this->service_id
+            ? $items->first(fn ($i) => (int) $i->service?->id === (int) $this->service_id)
+            : null;
+        $item ??= $items->first();
+
+        return $item ? [
+            'product_id' => $item->product_id,
+            'name' => $item->product?->name,
+            'billing_cycle' => $item->billing_cycle,
+            'months' => $item->months,
+            'server_name' => $item->server_name,
+            'product_type' => $item->product?->product_type,
+        ] : null;
+    }
+
     private function resolveVmware(\App\Models\ModuleVmware $vm): array
     {
         return [