refactor(database): use asyncio

app/dependencies/database.py

@@ -1,6 +1,8 @@
 from __future__ import annotations
 
-from sqlmodel import Session, create_engine
+from sqlalchemy.ext.asyncio import create_async_engine
+from sqlmodel import SQLModel
+from sqlmodel.ext.asyncio.session import AsyncSession
 
 try:
     import redis
@@ -9,7 +11,7 @@ except ImportError:
 from app.config import settings
 
 # 数据库引擎
-engine = create_engine(settings.DATABASE_URL)
+engine = create_async_engine(settings.DATABASE_URL)
 
 # Redis 连接
 if redis:
@@ -19,11 +21,16 @@ else:
 
 
 # 数据库依赖
-def get_db():
-    with Session(engine) as session:
+async def get_db():
+    async with AsyncSession(engine) as session:
         yield session
 
 
+async def create_tables():
+    async with engine.begin() as conn:
+        await conn.run_sync(SQLModel.metadata.create_all)
+
+
 # Redis 依赖
 def get_redis():
     return redis_client