Files
remnawave-minishop/backend/db/database_setup.py
T

165 lines
6.6 KiB
Python

import logging
from sqlalchemy import text
from sqlalchemy.engine import make_url
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
from sqlalchemy.orm import sessionmaker
from config.settings import Settings
from db.models import Base
from .migrator import run_database_migrations
async_engine = None
DB_INIT_ADVISORY_LOCK_ID = 817512404897421337
def redacted_database_url(database_url: str) -> str:
try:
return make_url(database_url).render_as_string(hide_password=True)
except Exception:
return "<invalid database url>"
def init_db_connection(settings: Settings) -> sessionmaker:
global async_engine
if async_engine is None:
logging.info(
"Attempting to create SQLAlchemy engine with URL: %s",
redacted_database_url(settings.DATABASE_URL),
)
async_engine = create_async_engine(
settings.DATABASE_URL,
echo=False,
pool_pre_ping=True,
pool_size=settings.DB_POOL_SIZE,
max_overflow=settings.DB_MAX_OVERFLOW,
pool_timeout=settings.DB_POOL_TIMEOUT_SECONDS,
pool_recycle=settings.DB_POOL_RECYCLE_SECONDS,
)
local_async_session_factory = async_sessionmaker(
bind=async_engine,
class_=AsyncSession,
expire_on_commit=False,
autocommit=False,
autoflush=False,
)
logging.info("SQLAlchemy Async Engine and SessionFactory configured for PostgreSQL.")
return local_async_session_factory
async def get_async_session(session_factory: sessionmaker) -> AsyncSession:
if session_factory is None:
raise RuntimeError("AsyncSessionFactory is not provided or initialized.")
async_session = session_factory()
try:
yield async_session
finally:
await async_session.close()
async def init_db(settings: Settings, session_factory: sessionmaker):
global async_engine
if async_engine is None:
logging.warning("init_db: async_engine was None, re-initializing via init_db_connection.")
raise RuntimeError(
"async_engine is not initialized. Call init_db_connection and get session_factory first." # noqa: E501
)
async with async_engine.begin() as conn:
await conn.execute(text(f"SELECT pg_advisory_xact_lock({DB_INIT_ADVISORY_LOCK_ID})"))
await conn.run_sync(Base.metadata.create_all)
await conn.run_sync(run_database_migrations)
logging.info("PostgreSQL database initialized/checked successfully using SQLAlchemy.")
try:
from bot.services.settings_override_service import load_overrides_from_db
await load_overrides_from_db(settings, session_factory)
except Exception as e_overrides:
logging.warning(f"Failed to load setting overrides on startup: {e_overrides}")
async with session_factory() as session:
from .dal.panel_sync_dal import get_panel_sync_status, update_panel_sync_status
try:
current_status = await get_panel_sync_status(session)
if current_status is None:
logging.info("Initializing panel_sync_status record.")
await update_panel_sync_status(
session,
status="never_run",
details="System initialized",
users_processed=0,
subs_synced=0,
)
await session.commit()
except Exception as e_sync_init:
await session.rollback()
logging.error(f"Failed to initialize PanelSyncStatus: {e_sync_init}", exc_info=True)
if settings.tariffs_config:
try:
default_tariff = settings.tariffs_config.default
default_price = (
default_tariff.period_price(1, "rub") or default_tariff.min_period_price_rub()
)
await session.execute(
text(
"""
UPDATE subscriptions AS s
SET
tariff_key = COALESCE(s.tariff_key, :tariff_key),
tier_baseline_bytes = COALESCE(s.tier_baseline_bytes, s.traffic_limit_bytes, :baseline),
topup_balance_bytes = COALESCE(s.topup_balance_bytes, 0),
premium_baseline_bytes = COALESCE(s.premium_baseline_bytes, :premium_baseline),
premium_topup_balance_bytes = COALESCE(s.premium_topup_balance_bytes, 0),
premium_topup_used_bytes = COALESCE(s.premium_topup_used_bytes, 0),
premium_used_bytes = COALESCE(s.premium_used_bytes, 0),
premium_is_limited = COALESCE(s.premium_is_limited, FALSE),
period_start_at = NULL,
effective_monthly_price_rub = COALESCE(
s.effective_monthly_price_rub,
(
SELECT p.amount / GREATEST(COALESCE(p.subscription_duration_months, 1), 1)
FROM payments p
WHERE p.user_id = s.user_id
AND p.status = 'succeeded'
AND COALESCE(p.subscription_duration_months, 0) > 0
ORDER BY p.created_at DESC
LIMIT 1
),
:default_price
)
WHERE s.is_active = TRUE
AND s.tariff_key IS NULL
""" # noqa: E501
),
{
"tariff_key": default_tariff.key,
"baseline": default_tariff.monthly_bytes,
"premium_baseline": default_tariff.premium_monthly_bytes,
"default_price": default_price,
},
)
await session.execute(
text(
"""
UPDATE subscriptions
SET period_start_at = NULL
WHERE is_active = TRUE
AND tariff_key IS NOT NULL
"""
)
)
await session.commit()
except Exception:
await session.rollback()
logging.exception("Failed to backfill existing subscriptions for tariffs config.")