Files
resolutionflow/backend/app/core/database.py
2026-04-10 03:49:49 +00:00

47 lines
1.2 KiB
Python

from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
from sqlalchemy.orm import DeclarativeBase
from .config import settings
from app.core.tenant_context import register_tenant_listener
# Create async engine
engine = create_async_engine(
settings.DATABASE_URL,
echo=settings.DEBUG,
future=True
)
# Create async session factory
async_session_maker = async_sessionmaker(
engine,
class_=AsyncSession,
expire_on_commit=False
)
# Register the RLS tenant context listener on the app engine.
# Fires at the start of every transaction; issues set_config automatically.
# Must NOT be called on admin_engine — admin connections bypass RLS.
register_tenant_listener(engine)
class Base(DeclarativeBase):
"""Base class for all database models."""
pass
async def get_db() -> AsyncSession:
"""Dependency to get database session."""
async with async_session_maker() as session:
try:
yield session
except Exception:
await session.rollback()
raise
finally:
await session.close()
async def init_db():
"""Initialize database tables."""
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)