56 lines
No EOL
1.5 KiB
Python
56 lines
No EOL
1.5 KiB
Python
import os
|
|
from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
|
|
from sqlalchemy.pool import StaticPool
|
|
from database.models import Base
|
|
import logging
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
DATABASE_URL = os.getenv("DATABASE_URL", "sqlite+aiosqlite:///./data/sage_dataven.db")
|
|
|
|
engine = create_async_engine(
|
|
DATABASE_URL,
|
|
echo=False,
|
|
future=True,
|
|
connect_args={"check_same_thread": False},
|
|
poolclass=StaticPool,
|
|
)
|
|
|
|
async_session_factory = async_sessionmaker(
|
|
engine,
|
|
class_=AsyncSession,
|
|
expire_on_commit=False,
|
|
autoflush=False,
|
|
)
|
|
|
|
|
|
async def init_db():
|
|
"""
|
|
Crée toutes les tables dans la base de données
|
|
⚠️ Utilise create_all qui ne crée QUE les tables manquantes
|
|
"""
|
|
try:
|
|
async with engine.begin() as conn:
|
|
await conn.run_sync(Base.metadata.create_all)
|
|
|
|
logger.info("✅ Base de données initialisée avec succès")
|
|
logger.info(f"📍 Fichier DB: {DATABASE_URL}")
|
|
|
|
except Exception as e:
|
|
logger.error(f"❌ Erreur initialisation DB: {e}")
|
|
raise
|
|
|
|
|
|
async def get_session() -> AsyncSession:
|
|
"""Dependency FastAPI pour obtenir une session DB"""
|
|
async with async_session_factory() as session:
|
|
try:
|
|
yield session
|
|
finally:
|
|
await session.close()
|
|
|
|
|
|
async def close_db():
|
|
"""Ferme proprement toutes les connexions"""
|
|
await engine.dispose()
|
|
logger.info("🔌 Connexions DB fermées") |