base cart_quantity filed and filter pagination and sort for order

backend/order/views.py

@@ -11,6 +11,8 @@ from .models import OrderItemModel, OrderModel, DiscountCode, PaymentModel
 from .permissons import CanDeleteCartItemPermissions
 from azbankgateways import bankfactories, models as bank_models
 from azbankgateways.exceptions import AZBankGatewaysException
+from drf_spectacular.utils import extend_schema, OpenApiParameter, OpenApiTypes
+from utils.pagination import StructurePagination
 try:
     pass
 except DiscountNotAvailableError:
@@ -107,11 +109,56 @@ class CartView(APIView):
 class OrderlistView(APIView):
     permission_classes = [IsAuthenticated]
     serializer_class = OrderSerializer
+    pagination_class = StructurePagination
+    @extend_schema(
+        parameters=[
+            OpenApiParameter(
+                name="limit",
+                description="لیمیتش",
+                required=False,
+                type=OpenApiTypes.INT,
+            ),
+            OpenApiParameter(
+                name="offset",
+                description="افستش",
+                required=False,
+                type=OpenApiTypes.INT,
+            ),
+            OpenApiParameter(
+                name="status",
+                description=(
+                    "['CART', 'ADMIN_PENDING', 'PENDING', 'POSTED', 'RECEIVED', 'CANCELED', 'BACK']"
+                ),
+                required=False,
+                type=OpenApiTypes.STR,
+            ),
+            OpenApiParameter(
+                name="sort",
+                description=(
+                    "Sort results by one of the following fields:\n"
+                    "['created_at', '-created_at', 'final_price', '-final_price']"
+                    "\nPrefix with `-` for descending order."
+                ),
+                required=False,
+                type=OpenApiTypes.STR,
+            ),
+        ]
+    )
     def get(self, request):
         user = request.user
         orders = OrderModel.objects.filter(user=user).exclude(status="CART")
-        orders_ser = self.serializer_class(instance=orders, many=True, context={'request': request})
-        return Response(orders_ser.data, status=status.HTTP_200_OK)
+        status_filter = request.query_params.get("status", None)
+        sort = request.query_params.get('sort', None)
+        if status_filter in ['CART', 'ADMIN_PENDING', 'PENDING', 'POSTED', 'RECEIVED', 'CANCELED', 'BACK']:
+            orders.filter(status=status_filter)
+        if sort:
+            if sort not in ['created_at', '-created_at', 'final_price', '-final_price']:
+                return Response({'detail': 'پارامتر sort اشتباه است'}, status=status.HTTP_400_BAD_REQUEST)
+            orders = orders.order_by(sort)
+        paginator = self.pagination_class()
+        paginated_orders = paginator.paginate_queryset(orders, request)
+        orders_ser = self.serializer_class(instance=paginated_orders, many=True, context={'request': request})
+        return paginator.get_paginated_response(orders_ser.data)
 
 
 

backend/product/serializers.py

@@ -2,7 +2,7 @@ from .models import *
 from rest_framework import serializers
 from django.utils import timezone
 from datetime import  timedelta
-
+from django.contrib.auth.models import AnonymousUser 
 
 
 
@@ -49,6 +49,7 @@ class ProductVariantSerialzier(serializers.ModelSerializer):
     in_pack_items = InPackItemsSerialzier(many=True)
     images = ProductImageSerailizer(many=True)
     details = ProductDetailSerializer(many=True, read_only=True)
+    cart_quantity = serializers.SerializerMethodField()
     class Meta:
         model = ProductVariant
         exclude = ('min_price', 'sell', 'currency', 'product', 'input_price')
@@ -60,6 +61,11 @@ class ProductVariantSerialzier(serializers.ModelSerializer):
         if view_type == 'list':
             self.fields.pop('in_pack_items', None)
 
+    def get_cart_quantity(self, obj):
+        request = self.context.get('request')
+        if not request or not request.user.is_authenticated:
+            return 0
+        return 1
 
 
 
@@ -135,7 +141,7 @@ class DynamicProductSerializer(serializers.ModelSerializer):
             many=True,
             context={
                 'view_type': 'list',
-                'dollor_price': self.context.get('dollor_price')
+                'request': self.context.get('request')
             }
         )
         return serializer.data

backend/product/views.py

@@ -51,7 +51,7 @@ class AllCategories(APIView):
 class ProductView(APIView):
     serializer_class = DynamicProductSerializer
     permission_classes = [AllowAny]
-    authentication_classes = []
+    # authentication_classes = []
     def get(self, request, pk):
         product = get_object_or_404(ProductModel, id=pk)
         product_ser = self.serializer_class(instance=product, many=False, context={'request': request, 'view_type': 'instance'})