product varient change list bug fix order item change quantity and remove

backend/order/views.py

@@ -1,3 +1,68 @@
 from django.shortcuts import render
+from .execptions import DiscountNotAvailableError
+from rest_framework.views import APIView, Response
+from django.shortcuts import get_object_or_404
+from product.models import ProductVariant
+from rest_framework.permissions import IsAuthenticated
+from .serializers import OrderItemSerailzier
+# from cart.models import 
+from rest_framework import status
+from .models import OrderItemModel, OrderModel
+try:
+    pass
+except DiscountNotAvailableError:
+    pass
 
-# Create your views here.
+"""
+
+add post
+remove delete
+show get 
+
+pay
+"""
+
+
+
+class CartItemViews(APIView):
+    permission_classes = [IsAuthenticated]
+    serializer_class = OrderItemSerailzier
+    def post(self, request, pk):
+            product_variant = get_object_or_404(ProductVariant, pk=pk)
+
+            cart_order, created = OrderModel.objects.get_or_create(
+                user=request.user,
+                status='CART'
+            )
+            order_item, created = OrderItemModel.objects.get_or_create(
+                order=cart_order,
+                product=product_variant,
+                defaults={'quantity': request.data.get('quantity', 1)}
+            )
+
+            if not created:  
+                order_item.quantity = request.data.get('quantity', 1)
+                order_item.save()
+
+            return Response({'detail': 'it did something'}, status=status.HTTP_201_CREATED)
+    def delete(self, request, pk):
+            product_variant = get_object_or_404(ProductVariant, pk=pk)
+
+            cart_order, created = OrderModel.objects.get_or_create(
+                user=request.user,
+                status='CART'
+            )
+            # order_item, created = OrderItemModel.objects.get_or_create(
+            #     order=cart_order,
+            #     product=product_variant,
+            #     defaults={'quantity': request.data.get('quantity', 1)}
+            # )
+            order_item = get_object_or_404(OrderItemModel, order=cart_order, product=product_variant)
+            order_item.delete()
+            return Response({'detail': 'it did something related to delete'}, status=status.HTTP_204_NO_CONTENT)
+
+
+
+class CartViews(APIView):
+    def get(self, request):
+        pass