Refactor API

API/utils/database.py

@@ -0,0 +1,26 @@
+from os import getenv
+from typing import AsyncGenerator
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker,AsyncEngine
+
+engine: AsyncEngine = create_async_engine(
+    #Todo Изменить на env, плдключение к db
+    f"postgresql+asyncpg://spectral:spectral@localhost:5432/spectral",
+    echo=True, #Todo удалить
+    pool_pre_ping=True
+)
+
+AsyncSessionLocal = async_sessionmaker(
+    bind=engine,
+    class_=AsyncSession,
+    autocommit=False,
+    autoflush=False,
+    expire_on_commit=False
+)
+
+
+async def get_db() -> AsyncGenerator[AsyncSession, None]:
+    async with AsyncSessionLocal() as session:
+        try:
+            yield session
+        finally:
+            await session.close()