project initialization

backend/core/settings.py

@@ -0,0 +1,269 @@
+"""
+Django settings for multi-tenant SaaS platform.
+"""
+
+import os
+from pathlib import Path
+from dotenv import load_dotenv
+
+load_dotenv()
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = os.getenv('SECRET_KEY', 'django-insecure-key-for-development')
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = os.getenv('DEBUG', 'True').lower() == 'true'
+
+ALLOWED_HOSTS = os.getenv('ALLOWED_HOSTS', 'localhost,127.0.0.1').split(',')
+
+# 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',
+    'django_filters',
+    'django_extensions',
+
+    # Multi-tenant support
+    'django_tenants',
+
+    # Core apps
+    'core.tenants',
+    'core.users',
+    'core.auth',
+
+    # Module apps
+    'modules.retail',
+    'modules.healthcare',
+    'modules.education',
+    'modules.logistics',
+    'modules.beauty',
+]
+
+MIDDLEWARE = [
+    'corsheaders.middleware.CorsMiddleware',
+    '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',
+
+    # Multi-tenant middleware
+    'django_tenants.middleware.main.TenantMainMiddleware',
+    'core.middleware.tenant_middleware.TenantMiddleware',
+]
+
+ROOT_URLCONF = 'core.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [BASE_DIR / 'templates'],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'core.wsgi.application'
+
+# Database
+DATABASES = {
+    'default': {
+        'ENGINE': 'django_tenants.postgresql_backend',
+        'NAME': os.getenv('DB_NAME', 'saas_platform'),
+        'USER': os.getenv('DB_USER', 'postgres'),
+        'PASSWORD': os.getenv('DB_PASSWORD', 'devpass'),
+        'HOST': os.getenv('DB_HOST', 'localhost'),
+        'PORT': os.getenv('DB_PORT', '5432'),
+    }
+}
+
+# Multi-tenant configuration
+TENANT_MODEL = 'tenants.Tenant'
+TENANT_DOMAIN_MODEL = 'tenants.Domain'
+TENANT_CACHE_PREFIX = 'tenant_'
+
+# Password validation
+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
+LANGUAGE_CODE = 'en-us'
+TIME_ZONE = 'Asia/Kuala_Lumpur'
+USE_I18N = True
+USE_TZ = True
+
+# Static files (CSS, JavaScript, Images)
+STATIC_URL = '/static/'
+STATIC_ROOT = BASE_DIR / 'staticfiles'
+
+MEDIA_URL = '/media/'
+MEDIA_ROOT = BASE_DIR / 'media'
+
+# Default primary key field type
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+# Django REST Framework
+REST_FRAMEWORK = {
+    'DEFAULT_AUTHENTICATION_CLASSES': [
+        'rest_framework_simplejwt.authentication.JWTAuthentication',
+        'rest_framework.authentication.SessionAuthentication',
+    ],
+    'DEFAULT_PERMISSION_CLASSES': [
+        'rest_framework.permissions.IsAuthenticated',
+    ],
+    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
+    'PAGE_SIZE': 20,
+    'DEFAULT_FILTER_BACKENDS': [
+        'django_filters.rest_framework.DjangoFilterBackend',
+        'rest_framework.filters.SearchFilter',
+        'rest_framework.filters.OrderingFilter',
+    ],
+    'DEFAULT_THROTTLE_CLASSES': [
+        'rest_framework.throttling.AnonRateThrottle',
+        'rest_framework.throttling.UserRateThrottle',
+    ],
+    'DEFAULT_THROTTLE_RATES': {
+        'anon': '100/hour',
+        'user': '1000/hour',
+    },
+}
+
+# CORS settings
+CORS_ALLOWED_ORIGINS = [
+    "http://localhost:3000",
+    "http://127.0.0.1:3000",
+]
+CORS_ALLOW_CREDENTIALS = True
+
+# JWT settings
+from datetime import timedelta
+
+SIMPLE_JWT = {
+    'ACCESS_TOKEN_LIFETIME': timedelta(minutes=60),
+    'REFRESH_TOKEN_LIFETIME': timedelta(days=7),
+    'ROTATE_REFRESH_TOKENS': True,
+    'BLACKLIST_AFTER_ROTATION': True,
+    'ALGORITHM': 'HS256',
+    'SIGNING_KEY': os.getenv('JWT_SIGNING_KEY', SECRET_KEY),
+}
+
+# Redis settings
+REDIS_URL = os.getenv('REDIS_URL', 'redis://localhost:6379/0')
+
+# Celery settings
+CELERY_BROKER_URL = REDIS_URL
+CELERY_RESULT_BACKEND = REDIS_URL
+CELERY_ACCEPT_CONTENT = ['json']
+CELERY_TASK_SERIALIZER = 'json'
+CELERY_RESULT_SERIALIZER = 'json'
+CELERY_TIMEZONE = TIME_ZONE
+
+# Stripe settings
+STRIPE_SECRET_KEY = os.getenv('STRIPE_SECRET_KEY', '')
+STRIPE_PUBLISHABLE_KEY = os.getenv('STRIPE_PUBLISHABLE_KEY', '')
+STRIPE_WEBHOOK_SECRET = os.getenv('STRIPE_WEBHOOK_SECRET', '')
+
+# Midtrans settings
+MIDTRANS_SERVER_KEY = os.getenv('MIDTRANS_SERVER_KEY', '')
+MIDTRANS_CLIENT_KEY = os.getenv('MIDTRANS_CLIENT_KEY', '')
+
+# Email settings
+EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
+EMAIL_HOST = os.getenv('EMAIL_HOST', '')
+EMAIL_PORT = int(os.getenv('EMAIL_PORT', '587'))
+EMAIL_USE_TLS = os.getenv('EMAIL_USE_TLS', 'True').lower() == 'true'
+EMAIL_HOST_USER = os.getenv('EMAIL_HOST_USER', '')
+EMAIL_HOST_PASSWORD = os.getenv('EMAIL_HOST_PASSWORD', '')
+
+# Logging
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'formatters': {
+        'verbose': {
+            'format': '{levelname} {asctime} {module} {process:d} {thread:d} {message}',
+            'style': '{',
+        },
+        'simple': {
+            'format': '{levelname} {message}',
+            'style': '{',
+        },
+    },
+    'handlers': {
+        'console': {
+            'level': 'INFO',
+            'class': 'logging.StreamHandler',
+            'formatter': 'verbose',
+        },
+        'file': {
+            'level': 'INFO',
+            'class': 'logging.FileHandler',
+            'filename': 'saas_platform.log',
+            'formatter': 'verbose',
+        },
+    },
+    'loggers': {
+        'django': {
+            'handlers': ['console', 'file'],
+            'level': 'INFO',
+            'propagate': False,
+        },
+        'core': {
+            'handlers': ['console', 'file'],
+            'level': 'INFO',
+            'propagate': False,
+        },
+        'modules': {
+            'handlers': ['console', 'file'],
+            'level': 'INFO',
+            'propagate': False,
+        },
+    },
+}
+
+# Security settings
+SECURE_BROWSER_XSS_FILTER = True
+SECURE_CONTENT_TYPE_NOSNIFF = True
+X_FRAME_OPTIONS = 'DENY'
+SECURE_HSTS_INCLUDE_SUBDOMAINS = True
+SECURE_HSTS_PRELOAD = True
+SECURE_HSTS_SECONDS = 31536000
+
+# Healthcare compliance
+HEALTHCARE_DATA_ENCRYPTION = os.getenv('HEALTHCARE_DATA_ENCRYPTION', 'True').lower() == 'true'
+AUDIT_LOG_ENABLED = os.getenv('AUDIT_LOG_ENABLED', 'True').lower() == 'true'
+
+# Data retention
+DATA_RETENTION_DAYS = int(os.getenv('DATA_RETENTION_DAYS', '90'))