cart place holder

backend/order/serializers.py

@@ -1,7 +1,7 @@
 from rest_framework import serializers
 from .models import OrderItemModel, OrderModel, DiscountCode
 from product.serializers import ProductVariantSerialzier
-
+from account.serializers import UserAddressSerializer
 class DiscountCodeSerializer(serializers.ModelSerializer):
     class Meta:
         model = DiscountCode
@@ -20,11 +20,44 @@ class OrderItemSerailzier(serializers.ModelSerializer):
 
 class CartSerializer(serializers.ModelSerializer):
     items = OrderItemSerailzier(many=True)
+    discount = serializers.SerializerMethodField()
+    cart_total = serializers.SerializerMethodField()
+    tax = serializers.SerializerMethodField()
+    final_price = serializers.SerializerMethodField()
+    discount_code = serializers.SerializerMethodField()
     class Meta:
         model = OrderModel
-        fields = ['address', 'created_at', 'is_paid', 'status', 'discount_code', 'items']
+        fields = [ 'discount_code', 'items', 'cart_total', 'discount', 'tax', 'final_price']
 
 
+    def get_discount_code(self, obj):
+        return obj.discount_code.code if obj.discount_code else None
+
+    def get_discount(self, obj):
+        return [
+            {
+                'product_name': 'iphone 13',
+                'dicount': '20%',
+                'discount_amount': '100,000 تومان'
+            },
+            {
+                'product_name': 'iphone 12',
+                'dicount': '10%',
+                'discount_amount': '50,000 تومان'
+            },
+        ]
+
+    def get_tax(self, obj):
+        return 1000
+
+    def get_cart_total(self, obj):
+        return 10000
+
+    def get_final_price(self, obj):
+        return 8000
+
+    
+
 class OrderSerializer(serializers.ModelSerializer):
     count =  serializers.SerializerMethodField()
     images =  serializers.SerializerMethodField()