56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
import os
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from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
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from sqlalchemy.pool import StaticPool
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from database.models import Base
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import logging
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logger = logging.getLogger(__name__)
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DATABASE_URL = os.getenv("DATABASE_URL", "sqlite+aiosqlite:///./data/sage_dataven.db")
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engine = create_async_engine(
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DATABASE_URL,
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echo=False,
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future=True,
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connect_args={"check_same_thread": False},
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poolclass=StaticPool,
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)
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async_session_factory = async_sessionmaker(
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engine,
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class_=AsyncSession,
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expire_on_commit=False,
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autoflush=False,
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)
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async def init_db():
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"""
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Crée toutes les tables dans la base de données
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⚠️ Utilise create_all qui ne crée QUE les tables manquantes
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"""
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try:
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async with engine.begin() as conn:
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await conn.run_sync(Base.metadata.create_all)
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logger.info("✅ Base de données initialisée avec succès")
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logger.info(f"📍 Fichier DB: {DATABASE_URL}")
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except Exception as e:
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logger.error(f"❌ Erreur initialisation DB: {e}")
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raise
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async def get_session() -> AsyncSession:
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"""Dependency FastAPI pour obtenir une session DB"""
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async with async_session_factory() as session:
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try:
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yield session
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finally:
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await session.close()
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async def close_db():
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"""Ferme proprement toutes les connexions"""
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await engine.dispose()
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logger.info("🔌 Connexions DB fermées")
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