add order detial view

backend/order/serializers.py

@@ -151,7 +151,7 @@ class OrderListSerializer(serializers.ModelSerializer):
     class Meta:
         model = OrderModel
         fields = ['created_at', 'status',  "images", "count",
-                  "id", 'final_price', 'order_id', 'verbose_status']
+                  "id", 'final_price', 'order_id', 'verbose_status', 'is_paid']
         read_only_fields = ['count', 'images', 'order_id', 'verbose_status']
 
     def get_verbose_status(self, obj):
@@ -172,12 +172,46 @@ class OrderListSerializer(serializers.ModelSerializer):
         return filter(lambda x: x is not None, image_list)
 
 
+class OrderItemDetailSerializer(serializers.ModelSerializer):
+    product = serializers.SerializerMethodField()
+    price = serializers.SerializerMethodField()
+    final_price = serializers.SerializerMethodField()
+    discount_amount = serializers.SerializerMethodField()
+    special_discount = serializers.SerializerMethodField()
+
+    class Meta:
+        model = OrderItemModel
+        fields = [
+            'id', 'product', 'quantity', 'price', 'final_price',
+            'discount_amount', 'discount_percent', 'special_discount',
+        ]
+
+    def get_product(self, obj):
+        return ProductVariantSerialzier(
+            instance=obj.product, context={'request': self.context.get('request')}
+        ).data
+
+    def get_price(self, obj):
+        return f'{obj.total_price_before_discount():,.0f} تومانءءء'
+
+    def get_final_price(self, obj):
+        return f'{obj.price_after_special_discount():,.0f} تومانءءء'
+
+    def get_discount_amount(self, obj):
+        return f'{obj.total_product_discount_amount():,.0f} تومانءءء'
+
+    def get_special_discount(self, obj):
+        if obj.special_discount_amount:
+            return f'{obj.special_discount_amount:,.0f} تومانءءء'
+        return None
+
+
 class OrderGetSerializer(serializers.ModelSerializer):
     count = serializers.SerializerMethodField()
     images = serializers.SerializerMethodField()
     order_id = serializers.SerializerMethodField()
     verbose_status = serializers.SerializerMethodField()
-    items = OrderItemSerailzier(many=True)
+    items = OrderItemDetailSerializer(many=True)
     address = UserAddressSerializer()
     discount_code = DiscountCodeSerializer()
 

backend/order/views.py

@@ -214,11 +214,13 @@ class OrderlistView(APIView):
         status_filter = request.query_params.get("status", None)
         sort = request.query_params.get('sort', None)
         if status_filter in ['ADMIN_PENDING', 'PENDING', 'POSTED', 'RECEIVED', 'CANCELED', 'REFUNDED']:
-            orders.filter(status=status_filter)
+            orders = 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)
+        else:
+            orders = orders.order_by('-created_at')
         paginator = self.pagination_class()
         paginated_orders = paginator.paginate_queryset(orders, request)
         orders_ser = self.serializer_class(
@@ -544,11 +546,14 @@ class UserOrderInvoiceView(APIView):
             bank_detail = Bank.objects.get(tracking_code=order_id)
             order = bank_detail.order
             order_id = order.id
-        except OrderModel.DoesNotExist:
-            return Response(
-                {'detail': 'سفارش مورد نظر یافت نشد'},
-                status=status.HTTP_404_NOT_FOUND,
-            )
+        except Bank.DoesNotExist:
+            try:
+                order = OrderModel.objects.get(id=order_id)
+            except OrderModel.DoesNotExist:
+                return Response(
+                    {'detail': 'سفارش مورد نظر یافت نشد'},
+                    status=status.HTTP_404_NOT_FOUND,
+                )
 
         if order.user != request.user:
             return Response(