Files
desungongpai/app/database.py

50 lines
1.2 KiB
Python

from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
from sqlalchemy.orm import DeclarativeBase
from app.config import settings
engine = create_async_engine(
settings.DATABASE_URL,
echo=settings.DEBUG,
connect_args={"check_same_thread": False},
)
async_session = async_sessionmaker(
bind=engine,
class_=AsyncSession,
expire_on_commit=False,
)
class Base(DeclarativeBase):
pass
async def get_db() -> AsyncSession:
"""Dependency injection for async database sessions."""
async with async_session() as session:
try:
yield session
await session.commit()
except Exception:
await session.rollback()
raise
finally:
await session.close()
async def init_db() -> None:
"""Create all database tables."""
async with engine.begin() as conn:
from app.models import ( # noqa: F401
AlarmRecord,
AttendanceRecord,
BluetoothRecord,
CommandLog,
Device,
HeartbeatRecord,
LocationRecord,
)
await conn.run_sync(Base.metadata.create_all)