51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
"""Database configuration and session management using SQLModel."""
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from pathlib import Path
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from typing import AsyncGenerator
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from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
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from sqlalchemy.orm import sessionmaker
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from sqlmodel import SQLModel
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from backend.config import settings
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# Create async engine
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# Note: echo=False to disable SQL query logging (too verbose)
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engine = create_async_engine(
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settings.data_entry_database_url,
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echo=False,
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future=True,
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)
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# Create async session factory
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async_session_maker = sessionmaker(
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engine,
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class_=AsyncSession,
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expire_on_commit=False,
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)
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async def init_db() -> None:
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"""Initialize database - create tables if they don't exist."""
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# Ensure data directory exists
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db_path = Path(settings.data_entry_sqlite_database_path)
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db_path.parent.mkdir(parents=True, exist_ok=True)
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async with engine.begin() as conn:
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await conn.run_sync(SQLModel.metadata.create_all)
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async def get_session() -> AsyncGenerator[AsyncSession, None]:
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"""Get async database session for dependency injection."""
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async with async_session_maker() 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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# Convenience function for manual session usage
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async def get_db_session() -> AsyncSession:
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"""Get a new database session (manual management)."""
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return async_session_maker()
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