base of payment gateway

backend/order/migrations/0015_payment.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.1.2 on 2025-03-13 16:26
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('order', '0014_alter_orderitemmodel_price'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Payment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('amount', models.PositiveIntegerField()),
+                ('status', models.CharField(default='Pending', max_length=50)),
+                ('tracking_code', models.CharField(blank=True, max_length=100)),
+                ('bank_type', models.CharField(max_length=100)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+            ],
+        ),
+    ]

backend/order/migrations/0016_rename_payment_paymentmodel.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.1.2 on 2025-03-13 16:28
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('order', '0015_payment'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name='Payment',
+            new_name='PaymentModel',
+        ),
+    ]

backend/order/models.py

@@ -120,3 +120,13 @@ class OrderItemModel(models.Model):
     def __str__(self):
         return f'({self.product}) - ({self.order.user})'
 
+
+#TODO complate this shit
+class PaymentModel(models.Model):
+    amount = models.PositiveIntegerField()
+    status = models.CharField(max_length=50, default='Pending')
+    tracking_code = models.CharField(max_length=100, blank=True)
+    bank_type = models.CharField(max_length=100)
+    created_at = models.DateTimeField(auto_now_add=True)
+    def __str__(self):
+        return 'payment'

backend/order/urls.py

@@ -2,6 +2,7 @@ from django.conf.urls.static import static
 from django.contrib import admin
 from django.urls import path, include
 from .views import CartItemViews, CartView, OrderlistView, CartItemClear, ApplyDiscountView
+from .views import PaymentView, callback_view
 
 urlpatterns = [
     path('all', OrderlistView.as_view(), name='order-list'),
@@ -9,6 +10,6 @@ urlpatterns = [
     path('cart/discount', ApplyDiscountView.as_view()),
     path('cart/all', CartItemClear.as_view()),
     path('cart/item/<int:pk>', CartItemViews.as_view(), name='change-item-cart'),
-    # path('payment', CartView.as_view()),
-    # path('', CartView.as_view()),
+    path('payment', PaymentView.as_view(), name='payment'),
+    path('callback', callback_view, name='callback-gateway'),
 ]

backend/order/views.py

@@ -7,13 +7,15 @@ from rest_framework.permissions import IsAuthenticated
 from .serializers import *
 # from cart.models import 
 from rest_framework import status
-from .models import OrderItemModel, OrderModel, DiscountCode
+from .models import OrderItemModel, OrderModel, DiscountCode, PaymentModel
 from .permissons import CanDeleteCartItemPermissions
+from azbankgateways import bankfactories, models as bank_models
+from azbankgateways.exceptions import AZBankGatewaysException
 try:
     pass
 except DiscountNotAvailableError:
     pass
-
+from django.urls import reverse
 """
 
 add post
@@ -113,61 +115,57 @@ class OrderlistView(APIView):
 
 
 
-# from rest_framework.views import APIView
-# from rest_framework.response import Response
-# from rest_framework import status
-# from azbankgateways import bankfactories, models as bank_models
 
-# class PaymentView(APIView):
-#     def post(self, request):
-#         amount = request.data.get('amount') 
-#         user = request.user
+class PaymentView(APIView):
+    def post(self, request):
+        amount = 10000000
+        user_mobile_number = request.user.phone  
 
+        factory = bankfactories.BankFactory()
+        try:
+            bank = (
+                factory.create(bank_models.BankType.ZARINPAL)
+            )  
+            bank.set_request(request)
+            bank.set_amount(amount)
         
-#         payment = Payment.objects.create(amount=amount, bank_type='ZARINPAL')
+            bank.set_client_callback_url(request.build_absolute_uri(reverse("callback-gateway")))
+            bank.set_mobile_number(user_mobile_number)  
 
-       
-#         factory = bankfactories.ZarinpalBankFactory()
-#         try:
-#             bank = factory.create(
-#                 amount=amount,
-#                 user=user,
-#                 callback_url='http://.com/callback/',
-#                 reference_model=payment,
-#             )
-#             bank.ready()  
-#             return Response({'gateway_url': bank.redirect_url}, status=status.HTTP_200_OK)
-#         except Exception as e:
-#             return Response({'error': str(e)}, status=status.HTTP_400_BAD_REQUEST)
+            bank_record = bank.ready()
+            return Response(bank.redirect_gateway().url)
+        except AZBankGatewaysException as e:
+            print(e)
+            return Response({'error': str(e)}, status=status.HTTP_400_BAD_REQUEST)
+        return Response({'gateway_url': bank.redirect_url}, status=status.HTTP_200_OK)
+
+            
 
 
 
-# from django.views.decorators.csrf import csrf_exempt
-# from rest_framework.decorators import api_view
-# from rest_framework.response import Response
-# from azbankgateways import bankfactories, models as bank_models
+from django.views.decorators.csrf import csrf_exempt
+from rest_framework.decorators import api_view
+from rest_framework.response import Response
+from azbankgateways import bankfactories, models as bank_models
 
-# @csrf_exempt
-# @api_view(['POST'])
-# def callback_view(request):
-#     tracking_code = request.POST.get('tracking_code')
-#     payment_id = request.POST.get('payment_id') 
+@csrf_exempt
+@api_view(['POST'])
+def callback_view(request):
+    tracking_code = request.GET.get(settings.TRACKING_CODE_QUERY_PARAM, None)
+    if not tracking_code:
+        logging.debug("این لینک معتبر نیست.")
+        raise Http404
 
-#     payment = Payment.objects.get(id=payment_id)
-#     bank_type = payment.bank_type
+    try:
+        bank_record = bank_models.Bank.objects.get(tracking_code=tracking_code)
+    except bank_models.Bank.DoesNotExist:
+        logging.debug("این لینک معتبر نیست.")
+        raise Http404
 
-    
-#     factory = bankfactories.BankFactory.get_bank(bank_type)
-#     try:
-#         result = factory.verify_transaction(tracking_code)
-#         if result.is_success:
-#             payment.status = 'Paid'
-#             payment.tracking_code = tracking_code
-#             payment.save()
-#             return Response({'status': 'Payment successful'})
-#         else:
-#             payment.status = 'Failed'
-#             payment.save()
-#             return Response({'status': 'Payment failed'})
-#     except Exception as e:
-#         return Response({'error': str(e)})
+    if bank_record.is_success:
+        return HttpResponse("پرداخت با موفقیت انجام شد.")
+
+
+    return HttpResponse(
+        "پرداخت با شکست مواجه شده است. اگر پول کم شده است ظرف مدت ۴۸ ساعت پول به حساب شما بازخواهد گشت."
+    )