new fields for order model and update cart serialzier

backend/order/migrations/0013_ordermodel_cart_total.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.2 on 2025-03-11 18:52
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('order', '0012_rename_name_discountcode_code'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='ordermodel',
+            name='cart_total',
+            field=models.BigIntegerField(blank=True, null=True, verbose_name='کل سبد خرید'),
+        ),
+    ]

backend/order/models.py

@@ -50,6 +50,12 @@ class OrderModel(models.Model):
     is_paid = models.BooleanField(default=False, verbose_name="وضعیت پرداخت")
     discount_code = models.ForeignKey(DiscountCode, on_delete=models.PROTECT, null=True, blank=True, verbose_name="کدتخفیف")
     status = models.CharField(max_length=20, choices=STATUS_CHOICES, verbose_name="وضعیت سفارش")
+    discount = models.BigIntegerField(null=True, blank=True, verbose_name='کل تخقیف')
+    tax = models.BigIntegerField(null=True, blank=True, verbose_name='مالیات')
+    final_price = models.BigIntegerField(null=True, blank=True, verbose_name='قیمت نهایی')
+    cart_total = models.BigIntegerField(null=True, blank=True, verbose_name='کل سبد خرید')
+
+
     def __str__(self):
         return f'سفارش: {self.id}'
 
@@ -58,9 +64,6 @@ class OrderModel(models.Model):
         verbose_name_plural = 'سفارشات'
 
 
-    # def total_without_tax(self):
-    #     return sum(item.total() for item in self.items.all())
-
 
     def save(self, *args, **kwargs):
         try:
@@ -76,7 +79,7 @@ class OrderModel(models.Model):
 
     def discount_list(self):
         items_with_discount = self.items.filter(product__discount__gt=0)
-        discount_amount_dict = {f'{item.product}': item.product.discount for item in items_with_discount}
+        discount_amount_dict = [{'product_name': f'{item.product}', 'discount': f'{item.product.discount}', 'discount_amount': ''} for item in items_with_discount]
         
         if self.discount_code:
 
@@ -90,9 +93,11 @@ class OrderModel(models.Model):
 
     def discount(self):
         # total_with_item_discount = sum(item.total_with_discount() for item in self.items.all())
-        # return total_with_item_discount * ((100 - discount_percent) / 100)
         # discount_percent = self.discount_code.percent
+        # return total_with_item_discount * ((100 - discount_percent) / 100)
         pass
+
+
     def tax(self):
         return self.total_without_tax() * 0.2
     
@@ -101,9 +106,12 @@ class OrderModel(models.Model):
         pass
         # return self.total_with_discount() + self.tax()
 
+
     def final_price(self):
         pass
 
+    def submit_cart(self):
+        pass
 
 
 

backend/order/serializers.py

@@ -20,20 +20,27 @@ class OrderItemSerailzier(serializers.ModelSerializer):
 
 class CartSerializer(serializers.ModelSerializer):
     items = OrderItemSerailzier(many=True)
-    discount = serializers.SerializerMethodField()
+    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', 'discount', 'tax', 'final_price']
+        fields = [ 'discount_code', 'items', 'cart_total', 'product_discount', 'tax', 'final_price']
 
 
     def get_discount_code(self, obj):
-        return obj.discount_code.code if obj.discount_code else None
+        if obj.discount_code:
+            return {
+                'code': obj.discount_code.code,
+                'persent': obj.discount_code.percent,
+                'amount': '100,000 تومان'
+            }
+        else:
+            return None
 
-    def get_discount(self, obj):
+    def get_product_discount(self, obj):
         return [
             {
                 'product_name': 'iphone 13',
@@ -47,6 +54,9 @@ class CartSerializer(serializers.ModelSerializer):
             },
         ]
 
+
+
+
     def get_tax(self, obj):
         return 1000