feat: Implement JWT authentication for client API and add transaction verification endpoint.

app/Http/Controllers/Api/Transaction/TransactionController.php

@@ -11,6 +11,7 @@ use App\Models\Log;
 use App\Models\Transaction;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Log as FacadesLog;
 
 class TransactionController extends Controller
 {
@@ -55,6 +56,12 @@ class TransactionController extends Controller
         $vnp_TxnRef = $data['vnp_TxnRef'] ?? null;
         $vnp_Amount = $data['vnp_Amount'] ?? 0;
         
+        FacadesLog::info('VNPay callback received', [
+            'vnp_TxnRef' => $vnp_TxnRef,
+            'vnp_Amount' => $vnp_Amount,
+            'user' => $request->user() ? $request->user()->id : 'not authenticated',
+        ]);
+        
         $transaction = Transaction::where('trans', 'DEP' . $vnp_TxnRef)->first();
 
         if (!$transaction) {
@@ -100,6 +107,12 @@ class TransactionController extends Controller
 
         $verify = $this->vnpayService->verifyPayment($data);
 
+        FacadesLog::info('VNPay callback debug', [
+            'isValid' => $verify['isValid'],
+            'isSuccess' => $verify['isSuccess'] ?? false,
+            'responseCode' => $data['vnp_ResponseCode'] ?? 'N/A',
+        ]);
+
         if (!$verify['isValid']) {
             return response()->json([
                 'error' => true,
@@ -137,10 +150,24 @@ class TransactionController extends Controller
             $transaction->update(['status' => TransactionStatus::COMPLETED->value]);
 
             $customer = Customer::find($transaction->customer_id);
+
+            FacadesLog::info('Customer update debug', [
+                'customer_id' => $transaction->customer_id,
+                'customer_found' => $customer ? true : false,
+                'transaction_amount' => $transaction->amount,
+                'current_total' => $customer->total ?? 'N/A',
+                'current_credit' => $customer->credit ?? 'N/A',
+            ]);
+
             $customer->total += $transaction->amount;
             $customer->credit += $transaction->amount / 100;
             $customer->save();
 
+            FacadesLog::info('Customer after update', [
+                'new_total' => $customer->total,
+                'new_credit' => $customer->credit,
+            ]);
+
             Log::create([
                 'agent' => 'api',
                 'client_ip' => $request->ip(),
@@ -206,4 +233,39 @@ class TransactionController extends Controller
             'data' => $transaction,
         ]);
     }
+
+    public function verifyPayment(Request $request)
+    {
+        $transRef = $request->query('vnp_TxnRef');
+        
+        if (!$transRef) {
+            return response()->json([
+                'error' => true,
+                'message' => 'Thiếu tham số vnp_TxnRef',
+            ], 400);
+        }
+
+        $transaction = Transaction::where('trans', 'DEP' . $transRef)->first();
+
+        if (!$transaction) {
+            return response()->json([
+                'error' => true,
+                'message' => 'Giao dịch không tồn tại',
+            ], 404);
+        }
+
+        return response()->json([
+            'error' => false,
+            'message' => 'Lấy thông tin giao dịch thành công',
+            'data' => [
+                'trans' => $transaction->trans,
+                'amount' => $transaction->amount,
+                'amount_vnp' => $transaction->amount * 100,
+                'status' => $transaction->status,
+                'status_label' => TransactionStatus::from($transaction->status)->label(),
+                'created_at' => $transaction->created_at,
+                'updated_at' => $transaction->updated_at,
+            ],
+        ]);
+    }
 }