feldenr
9c504d2c3d
Features: - Frontend Flutter avec thème néon cyberpunk - Backend FastAPI avec streaming YouTube - Base de données PostgreSQL + Redis - Authentification JWT complète - Recherche multi-source (DB + YouTube) - Playlists CRUD avec drag & drop - Queue management - Settings avec audio quality - Interface adaptative (Desktop + Mobile) Tech Stack: - Frontend: Flutter 3.2+, Riverpod - Backend: Python 3.11+, FastAPI - Database: PostgreSQL 15+ - Cache: Redis 7+ - Streaming: yt-dlp + FFmpeg 🚀 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com>
107 lines
2.5 KiB
Python
107 lines
2.5 KiB
Python
"""Database configuration and session management."""
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from contextlib import asynccontextmanager
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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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async_sessionmaker,
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create_async_engine,
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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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# 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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pool_pre_ping=True,
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pool_size=10,
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max_overflow=20,
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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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autocommit=False,
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autoflush=False,
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)
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class Base(DeclarativeBase):
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"""Base class for all SQLAlchemy models."""
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pass
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async def get_db() -> AsyncGenerator[AsyncSession, None]:
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"""
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Dependency function to get database session.
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Yields:
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AsyncSession: Database session.
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Example:
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@app.get("/users/")
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async def get_users(db: AsyncSession = Depends(get_db)):
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result = await db.execute(select(User))
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return result.scalars().all()
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"""
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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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finally:
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await session.close()
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@asynccontextmanager
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async def get_db_context() -> AsyncGenerator[AsyncSession, None]:
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"""
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Context manager for database session.
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Yields:
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AsyncSession: Database session.
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Example:
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async with get_db_context() as db:
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await db.execute(insert(User).values(**user_data))
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"""
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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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finally:
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await session.close()
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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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# Import all models here to ensure they're registered with Base
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from app.models import ( # noqa: F401
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album,
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artist,
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playlist,
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playlist_track,
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track,
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user,
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)
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# Create all tables
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await conn.run_sync(Base.metadata.create_all)
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async def close_db() -> None:
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"""Close database connections."""
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await engine.dispose()
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