a virtual environment is created for develoment and the requirements installed. basis djnano setup is finished

.env.example

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+# Django Settings
+DJANGO_SECRET_KEY=django-insecure-your-secret-key-here
+DJANGO_DEBUG=True
+ALLOWED_HOSTS=localhost,127.0.0.1,*
+CORS_ALLOW_ALL_ORIGINS=True
+CORS_ALLOWED_ORIGINS=http://localhost:3000,http://localhost:5173
+
+# Database Configuration (PostgreSQL)
+POSTGRES_DB=divar_crawler
+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=postgres
+POSTGRES_HOST=localhost
+POSTGRES_PORT=5432
+
+# Redis & Celery
+REDIS_URL=redis://localhost:6379/0
+
+# LLM Config (OpenAI / Gemini)
+OPENAI_API_KEY=your-openai-api-key-here
+# Optional: LLM_MODEL_NAME=gpt-4o-mini
+
+# Telegram Config
+TELEGRAM_BOT_TOKEN=your-telegram-bot-token-here

backend/config/asgi.py

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+"""
+ASGI config for config project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/6.0/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')
+
+application = get_asgi_application()

backend/config/settings.py

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+"""
+Django settings for config project.
+
+Generated by 'django-admin startproject' using Django 6.0.8.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/6.0/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/6.0/ref/settings/
+"""
+
+import os
+from pathlib import Path
+from dotenv import load_dotenv
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+# Load environment variables from the project root
+load_dotenv(BASE_DIR.parent / '.env')
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/6.0/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = os.getenv('DJANGO_SECRET_KEY', 'django-insecure-@8*97xo5!gdi!x*94-%n8$b63%ljy#@&^#7$h!9v-4a2#r+98t')
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = os.getenv('DJANGO_DEBUG', 'True').lower() in ('true', '1', 't')
+
+ALLOWED_HOSTS = [host.strip() for host in os.getenv('ALLOWED_HOSTS', '*').split(',') if host.strip()]
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    
+    # Third party apps
+    'rest_framework',
+    'corsheaders',
+]
+
+MIDDLEWARE = [
+    'corsheaders.middleware.CorsMiddleware',  # Place CORS middleware at the top
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'config.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'config.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/6.0/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/6.0/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/6.0/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/6.0/howto/static-files/
+
+STATIC_URL = 'static/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/6.0/ref/settings/#default-auto-field
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+# CORS Settings
+CORS_ALLOW_ALL_ORIGINS = os.getenv('CORS_ALLOW_ALL_ORIGINS', 'True').lower() in ('true', '1', 't')
+if not CORS_ALLOW_ALL_ORIGINS:
+    CORS_ALLOWED_ORIGINS = [origin.strip() for origin in os.getenv('CORS_ALLOWED_ORIGINS', '').split(',') if origin.strip()]
+
+# Django REST Framework Settings
+REST_FRAMEWORK = {
+    'DEFAULT_PERMISSION_CLASSES': [
+        'rest_framework.permissions.AllowAny',
+    ],
+    'DEFAULT_RENDERER_CLASSES': [
+        'rest_framework.renderers.JSONRenderer',
+        'rest_framework.renderers.BrowsableAPIRenderer',
+    ],
+}

backend/config/urls.py

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+"""
+URL configuration for config project.
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/6.0/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path
+
+urlpatterns = [
+    path('admin/', admin.site.urls),
+]

backend/config/wsgi.py

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+"""
+WSGI config for config project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/6.0/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')
+
+application = get_wsgi_application()

backend/manage.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

requirements.txt

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+django>=5.0,<6.1
+djangorestframework>=3.18.0,<3.19
+django-cors-headers>=4.9.0,<4.10
+celery>=5.6.3,<5.7
+redis>=8.1.0,<8.2
+psycopg2-binary>=2.9.12,<2.10
+django-celery-beat>=2.9.0,<2.10
+requests>=2.34.2,<2.35
+openai>=2.53.0,<2.54
+pydantic>=2.13.4,<2.14
+python-dotenv>=1.2.2,<1.3