version 2

backend/config/settings.py

@@ -5,9 +5,6 @@ Generated by 'django-admin startproject' using Django 5.2.7.
 
 For more information on this file, see
 https://docs.djangoproject.com/en/5.2/topics/settings/
-
-For the full list of settings and their values, see
-https://docs.djangoproject.com/en/5.2/ref/settings/
 """
 
 from pathlib import Path
@@ -55,12 +52,15 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'rest_framework',
+    'corsheaders',
     'core',
 ]
 
 MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
+    'corsheaders.middleware.CorsMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
@@ -180,3 +180,20 @@ if EMAIL_USE_SSL:
 # https://docs.djangoproject.com/en/5.2/ref/settings/#default-auto-field
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+CORS_ALLOWED_ORIGINS = [
+    "http://localhost:3000",
+    "http://127.0.0.1:3000",
+]
+CORS_ALLOW_CREDENTIALS = True
+CORS_ALLOW_ALL_ORIGINS = True
+
+REST_FRAMEWORK = {
+    'DEFAULT_PERMISSION_CLASSES': [
+        'rest_framework.permissions.IsAuthenticatedOrReadOnly',
+    ],
+    'DEFAULT_AUTHENTICATION_CLASSES': [
+        'rest_framework.authentication.SessionAuthentication',
+        'rest_framework.authentication.BasicAuthentication',
+    ],
+}

backend/core/migrations/0003_category_product_category.py

@@ -0,0 +1,33 @@
+# Generated by Django 5.2.7 on 2026-03-13 01:38
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0002_seller_product_seller'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Category',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100, unique=True)),
+                ('slug', models.SlugField(unique=True)),
+                ('description', models.TextField(blank=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('parent', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='children', to='core.category')),
+            ],
+            options={
+                'verbose_name_plural': 'categories',
+            },
+        ),
+        migrations.AddField(
+            model_name='product',
+            name='category',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='products', to='core.category'),
+        ),
+    ]

backend/core/models.py

@@ -1,6 +1,19 @@
 from django.db import models
 from django.contrib.auth.models import User
 
+class Category(models.Model):
+    name = models.CharField(max_length=100, unique=True)
+    slug = models.SlugField(unique=True)
+    description = models.TextField(blank=True)
+    parent = models.ForeignKey('self', on_delete=models.CASCADE, null=True, blank=True, related_name='children')
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        verbose_name_plural = 'categories'
+
+    def __str__(self):
+        return self.name
+
 class Seller(models.Model):
     user = models.OneToOneField(User, on_delete=models.CASCADE)
     store_name = models.CharField(max_length=200)
@@ -12,6 +25,7 @@ class Seller(models.Model):
         return self.store_name
 
 class Product(models.Model):
+    category = models.ForeignKey(Category, on_delete=models.SET_NULL, null=True, blank=True, related_name='products')
     seller = models.ForeignKey(Seller, on_delete=models.CASCADE, related_name='products', null=True, blank=True)
     name = models.CharField(max_length=200)
     description = models.TextField()

backend/core/serializers.py

@@ -0,0 +1,17 @@
+from rest_framework import serializers
+from .models import Seller, Product, Category
+
+class CategorySerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Category
+        fields = '__all__'
+
+class SellerSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Seller
+        fields = '__all__'
+
+class ProductSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Product
+        fields = '__all__'

backend/core/urls.py

@@ -0,0 +1,12 @@
+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from .views import SellerViewSet, ProductViewSet, CategoryViewSet
+
+router = DefaultRouter()
+router.register(r'categories', CategoryViewSet)
+router.register(r'sellers', SellerViewSet)
+router.register(r'products', ProductViewSet)
+
+urlpatterns = [
+    path('', include(router.urls)),
+]

backend/core/views.py

@@ -0,0 +1,15 @@
+from rest_framework import viewsets
+from .models import Seller, Product, Category
+from .serializers import SellerSerializer, ProductSerializer, CategorySerializer
+
+class CategoryViewSet(viewsets.ModelViewSet):
+    queryset = Category.objects.all()
+    serializer_class = CategorySerializer
+
+class SellerViewSet(viewsets.ModelViewSet):
+    queryset = Seller.objects.all()
+    serializer_class = SellerSerializer
+
+class ProductViewSet(viewsets.ModelViewSet):
+    queryset = Product.objects.all()
+    serializer_class = ProductSerializer

backend/requirements.txt

@@ -0,0 +1,6 @@
+Django==5.2.7
+mysqlclient==2.2.7
+python-dotenv==1.1.1
+djangorestframework
+djangorestframework-simplejwt
+django-cors-headers