656f596d7e
Core modules: - Laws: CRUD, search, AI-powered QA - Analysis: legal research and case management - Contracts: lifecycle management with templates - Signatures: electronic signature workflow Infrastructure: - FastAPI + SQLite + async SQLAlchemy - Docker deployment support - 54 unit tests passing Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
48 lines
1.1 KiB
Python
48 lines
1.1 KiB
Python
"""Database configuration and session management."""
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from typing import AsyncGenerator
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from sqlalchemy.ext.asyncio import (
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AsyncSession,
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create_async_engine,
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async_sessionmaker,
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)
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from sqlalchemy.orm import DeclarativeBase
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from app.core.config import settings
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class Base(DeclarativeBase):
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"""Base class for all database models."""
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pass
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# Create async engine
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engine = create_async_engine(
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settings.DATABASE_URL,
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echo=settings.DEBUG,
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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 = 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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)
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async def get_db() -> AsyncGenerator[AsyncSession, None]:
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"""Dependency for getting async database sessions."""
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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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await session.commit()
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except Exception:
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await session.rollback()
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raise
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async def init_db() -> None:
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"""Initialize database tables."""
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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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