Initial commit: VoIdeaAI - voice-first AI idea assistant

app/core/database.py

@@ -0,0 +1,46 @@
+"""Database configuration and session management for VoIdea."""
+
+from typing import AsyncGenerator
+
+from sqlalchemy.ext.asyncio import (
+    AsyncSession,
+    async_sessionmaker,
+    create_async_engine,
+)
+
+from app.core.config import get_settings
+
+settings = get_settings()
+
+engine = create_async_engine(
+    settings.database_url,
+    echo=settings.db_echo,
+    pool_pre_ping=True,
+    pool_size=10,
+    max_overflow=20,
+)
+
+async_session_maker = async_sessionmaker(
+    engine,
+    class_=AsyncSession,
+    expire_on_commit=False,
+    autocommit=False,
+    autoflush=False,
+)
+
+
+async def get_db() -> AsyncGenerator[AsyncSession, None]:
+    """Get database session.
+
+    Yields:
+        AsyncSession instance
+    """
+    async with async_session_maker() as session:
+        try:
+            yield session
+            await session.commit()
+        except Exception:
+            await session.rollback()
+            raise
+        finally:
+            await session.close()