add: order model, order create api, order create serializer, order item model

config/conf/cors.py

@@ -4,7 +4,7 @@ CORS_ALLOWED_ORIGINS = [
 ]
 
 CSRF_TRUSTED_ORIGINS = [
-    'http://localhost:8001',
+    'http://localhost:8080',
-    'http://127.0.0.1:8001',
+    'http://127.0.0.1:8080',
     'https://horeca.felixits.uz',
 ]

core/apps/orders/admin/__init__.py

@@ -0,0 +1 @@
+from .order import *

core/apps/orders/admin/order.py

@@ -0,0 +1,14 @@
+from django.contrib import admin 
+
+from core.apps.orders.models.order import Order, OrderItem
+
+
+class OrderItemInline(admin.TabularInline):
+    model = OrderItem
+    extra = 0
+
+
+@admin.register(Order)
+class OrderAdmin(admin.ModelAdmin):
+    list_display = ['id', 'user', 'total_price']
+    inlines = [OrderItemInline]

core/apps/orders/apps.py

@@ -4,3 +4,6 @@ from django.apps import AppConfig
 class OrdersConfig(AppConfig):
     default_auto_field = 'django.db.models.BigAutoField'
     name = 'core.apps.orders'
+
+    def ready(self):
+        from . import admin 

core/apps/orders/migrations/0001_initial.py

@@ -0,0 +1,45 @@
+# Generated by Django 5.2 on 2025-08-29 16:13
+
+import django.db.models.deletion
+import uuid
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Order',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('total_price', models.PositiveBigIntegerField(default=0)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='orders', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': 'Buyurtma',
+                'verbose_name_plural': 'Buyurtmalar',
+            },
+        ),
+        migrations.CreateModel(
+            name='OrderItem',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('quantity', models.PositiveIntegerField()),
+                ('price', models.PositiveBigIntegerField()),
+                ('order', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='items', to='orders.order')),
+            ],
+            options={
+                'verbose_name': 'Buyurtma elementi',
+                'verbose_name_plural': 'Buyurtma elementlari',
+            },
+        ),
+    ]

core/apps/orders/migrations/0002_orderitem_product.py

@@ -0,0 +1,20 @@
+# Generated by Django 5.2 on 2025-08-29 16:17
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('orders', '0001_initial'),
+        ('products', '0002_category_name_ru_category_name_uz_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='orderitem',
+            name='product',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='items', to='products.product'),
+        ),
+    ]

core/apps/orders/models/__init__.py

@@ -0,0 +1 @@
+from .order import *

core/apps/orders/models/order.py

@@ -0,0 +1,31 @@
+from django.db import models
+
+from core.apps.shared.models import BaseModel
+from core.apps.accounts.models import User
+from core.apps.products.models import Product
+
+
+class Order(BaseModel):
+    total_price = models.PositiveBigIntegerField(default=0)
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='orders') 
+
+    def __str__(self):
+        return f'{self.user} order'
+
+    class Meta:
+        verbose_name = 'Buyurtma'
+        verbose_name_plural = 'Buyurtmalar'
+        
+
+class OrderItem(BaseModel):
+    order = models.ForeignKey(Order, on_delete=models.CASCADE, related_name='items')
+    quantity = models.PositiveIntegerField()
+    price = models.PositiveBigIntegerField()
+    product = models.ForeignKey(Product, on_delete=models.CASCADE, related_name='items', null=True)
+
+    def __str__(self):
+        return f'{self.quantity} - {self.price} to {self.order}'
+    
+    class Meta:
+        verbose_name = 'Buyurtma elementi'
+        verbose_name_plural = 'Buyurtma elementlari'

core/apps/orders/serializers/order.py

@@ -0,0 +1,45 @@
+from django.db import transaction
+
+from rest_framework import serializers
+
+from core.apps.orders.models import Order, OrderItem
+from core.apps.products.models import Product
+
+
+class OrderItemCreateSerializer(serializers.Serializer):
+    product_id = serializers.UUIDField()
+    quantity = serializers.IntegerField()
+
+    def validate(self, data):
+        product = Product.objects.filter(id=data['product_id']).first()
+        if not product:
+            raise serializers.ValidationError("Product not found")
+        data['product'] = product
+        data['price'] = product.price * data['quantity']
+        return data
+    
+
+class OrderCreateSerializer(serializers.Serializer):
+    items = OrderItemCreateSerializer(many=True)
+    
+    def create(self, validated_data):
+        with transaction.atomic():
+            order_items = validated_data.pop('items')
+            order = Order.objects.create(
+                user=self.context.get('user'),
+            )
+            items = []
+            total_price = 0
+            for item in order_items:
+                items.append(OrderItem(
+                    product=item.get('product'),
+                    price=item.get('price'),
+                    quantity=item.get('quantity'),
+                    order=order,
+                ))
+                total_price += item.get('price')
+            OrderItem.objects.bulk_create(items)
+            order.total_price = total_price
+            order.save()
+            return order
+                

core/apps/orders/urls.py

@@ -1,6 +1,7 @@
 from django.urls import path, include
 
+from core.apps.orders.views import order as order_views
 
 urlpatterns = [
-    
+    path('order/create/', order_views.OrderCreateApiView.as_view()),
 ]

core/apps/orders/views/order.py

@@ -0,0 +1,28 @@
+from rest_framework import generics, permissions
+from rest_framework.response import Response
+
+from core.apps.orders.models import Order, OrderItem
+from core.apps.orders.serializers import order as serializers
+
+
+class OrderCreateApiView(generics.GenericAPIView):
+    serializer_class = serializers.OrderCreateSerializer
+    queryset = Order.objects.all()
+    permission_classes = [permissions.IsAuthenticated]
+
+    def post(self, request):
+        serializer = self.serializer_class(data=request.data, context={'user': request.user})
+        if serializer.is_valid(raise_exception=True):
+            serializer.save()
+            return Response(
+                {'success': True, 'message': 'Firdavs aka order create qilindi, tekshirib koring'},
+                status=200
+            )
+        return Response(
+            {
+                'success': False,
+                "message": "Firdavs aka order create qilishda xatolik chiqdi, errorni oqib koring",
+                'error': serializer.errors,
+            },
+            status=400
+        )