initial commit

database/connection.py

@@ -0,0 +1,22 @@
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
+from config import DATABASE_URL
+import logging
+
+logger = logging.getLogger(__name__)
+
+engine = create_async_engine(DATABASE_URL, echo=False, pool_pre_ping=True)
+async_session_maker = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+
+
+async def get_session() -> AsyncSession:
+    """Получить асинхронную сессию БД"""
+    async with async_session_maker() as session:
+        try:
+            yield session
+        except Exception as e:
+            logger.error(f"Ошибка в сессии БД: {e}")
+            await session.rollback()
+            raise
+        finally:
+            await session.close()
+