structre product cart response

backend/order/serializers.py

@@ -1,7 +1,30 @@
 from rest_framework import serializers
 from .models import OrderItemModel, OrderModel, DiscountCode
-from product.serializers import ProductVariantSerialzier
+from product.serializers import ProductVariantSerialzier, AttributeValueSerialzier, ProductImageSerailizer
 from account.serializers import UserAddressSerializer
+from product.models import ProductVariant
+
+class ProductVariantSerialzier(serializers.ModelSerializer):
+    product_attributes = AttributeValueSerialzier(many=True)
+    image = serializers.SerializerMethodField()
+    discount_amount = serializers.SerializerMethodField()
+    title = serializers.SerializerMethodField()
+    price = serializers.CharField()
+
+    class Meta:
+        model = ProductVariant
+        fields = ['title', 'product_attributes', 'in_stock', 'price', 'discount', 'color', 'image', 'discount_amount']
+
+    def get_discount_amount(self, obj):
+        discount_amount  = int(obj.price * (obj.discount / 100))
+        return f'{discount_amount}'
+
+    def get_image(self, obj):
+        return self.context.get('request').build_absolute_uri(obj.images.all().first().image.url)
+
+    def get_title(self, obj):
+        return obj.product.name
+
 class DiscountCodeSerializer(serializers.ModelSerializer):
     class Meta:
         model = DiscountCode
@@ -13,58 +36,47 @@ class OrderItemSerailzier(serializers.ModelSerializer):
     product = serializers.SerializerMethodField()
     class Meta:
         model = OrderItemModel
-        fields = "__all__"
-        read_only_fields = ('order', 'product', 'price')
+        exclude = ('price', 'order')
+        read_only_fields = ('order', 'product', )
     def get_product(self, obj):
         return ProductVariantSerialzier(instance=obj.product, context={'request': self.context.get('request')}).data
 
+
+
+
 class CartSerializer(serializers.ModelSerializer):
     items = OrderItemSerailzier(many=True)
-    product_discount = serializers.SerializerMethodField()
     cart_total = serializers.SerializerMethodField()
     tax = serializers.SerializerMethodField()
     final_price = serializers.SerializerMethodField()
     discount_code = serializers.SerializerMethodField()
     class Meta:
         model = OrderModel
-        fields = [ 'discount_code', 'items', 'cart_total', 'product_discount', 'tax', 'final_price']
+        fields = [ 'discount_code', 'items', 'cart_total', 'tax', 'final_price']
 
 
     def get_discount_code(self, obj):
         if obj.discount_code:
             return {
-                'code': obj.discount_code.code,
-                'persent': obj.discount_code.percent,
-                'amount': '100,000 تومان'
+                'code': f'{obj.discount_code.code}',
+                'percent': obj.discount_code.percent,
+                'amount': '100000'
             }
         else:
             return None
 
-    def get_product_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
+        return '1000'
 
     def get_cart_total(self, obj):
-        return 10000
+        return '10000'
 
     def get_final_price(self, obj):
-        return 8000
+        return '8000'