2026-VK-EDU-Web-12-Istratov-D/application/settings.py

"""
Django settings for application project.

Generated by 'django-admin startproject' using Django 5.2.12.

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/
"""
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_dotenv()
# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/5.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.getenv("SECRET_KEY")

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = os.getenv("DEBUG") == "True"

ALLOWED_HOSTS = ['127.0.0.1', 'localhost']

# Allow requests coming through nginx on host:8080 (used in local Docker Compose)
# Add any additional origins you use (including scheme and port) here.
CSRF_TRUSTED_ORIGINS = [
    'http://127.0.0.1:8080',
    'http://localhost:8080',
]


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.postgres',
    'questions',
]

MIDDLEWARE = [
    '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 = 'application.urls'

STATICFILES_DIRS = [
    BASE_DIR / 'questions' / 'static',
]


TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR / 'questions' / 'templates'],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
                'questions.context_processors.sidebar_data',
            ],
        },
    },
]

WSGI_APPLICATION = 'application.wsgi.application'


# Database
# https://docs.djangoproject.com/en/5.2/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': os.getenv('DB_ENGINE'),
        'NAME': os.getenv('DB_NAME'),
        'USER': os.getenv('DB_USER'),
        'PASSWORD': os.getenv('DB_PASSWORD'),
        'HOST': os.getenv('DB_HOST'),
        'PORT': os.getenv('DB_PORT'),
    }
}


# Password validation
# https://docs.djangoproject.com/en/5.2/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/5.2/topics/i18n/

LANGUAGE_CODE = 'ru-RU'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/5.2/howto/static-files/

STATIC_URL = '/static/'

STATIC_ROOT = os.path.join(BASE_DIR, 'static')

# Default primary key field type
# https://docs.djangoproject.com/en/5.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'


MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR / 'media'

# Redis / Celery / Cache settings
REDIS_HOST = os.getenv('REDIS_HOST', 'redis')
REDIS_PORT = os.getenv('REDIS_PORT', '6379')
REDIS_CACHE_DB = os.getenv('REDIS_CACHE_DB', '1')
REDIS_BROKER_DB = os.getenv('REDIS_BROKER_DB', '2')
REDIS_BEAT_DB = os.getenv('REDIS_BEAT_DB', '3')

CACHES = {
    "default": {
        "BACKEND": "django_redis.cache.RedisCache",
        "LOCATION": f"redis://{REDIS_HOST}:{REDIS_PORT}/{REDIS_CACHE_DB}",
        "OPTIONS": {"CLIENT_CLASS": "django_redis.client.DefaultClient"},
        "TIMEOUT": 60 * 10,
    }
}

# Celery settings
CELERY_BROKER_URL = f"redis://{REDIS_HOST}:{REDIS_PORT}/{REDIS_BROKER_DB}"
CELERY_RESULT_BACKEND = f"redis://{REDIS_HOST}:{REDIS_PORT}/{REDIS_BEAT_DB}"
CELERY_BEAT_SCHEDULER = "redbeat.RedBeatScheduler"
CELERY_REDBEAT_REDIS_URL = f"redis://{REDIS_HOST}:{REDIS_PORT}/{REDIS_BEAT_DB}"

# Centrifugo (real-time) settings
CENTRIFUGO_URL = os.getenv('CENTRIFUGO_URL', 'http://centrifugo:8000')
CENTRIFUGO_API_KEY = os.getenv('CENTRIFUGO_API_KEY', 'centrifugo_secret')

# Email settings (use maildev for local development)
EMAIL_BACKEND = os.getenv('EMAIL_BACKEND', 'django.core.mail.backends.smtp.EmailBackend')
EMAIL_HOST = os.getenv('EMAIL_HOST', 'maildev')
EMAIL_PORT = int(os.getenv('EMAIL_PORT', '1025'))
EMAIL_USE_TLS = os.getenv('EMAIL_USE_TLS', 'False') == 'True'
DEFAULT_FROM_EMAIL = os.getenv('DEFAULT_FROM_EMAIL', 'webmaster@localhost')

# Celery beat schedule (periodic tasks)
from celery.schedules import crontab

CELERY_BEAT_SCHEDULE = {
    'rebuild_popular_tags': {
        'task': 'questions.tasks.rebuild_popular_tags',
        'schedule': crontab(minute='*/30'),
    },
    'rebuild_best_members': {
        'task': 'questions.tasks.rebuild_best_members',
        'schedule': crontab(minute='*/15'),
    },
}