初步开发完成

backend/config/database.py

@@ -1,26 +1,12 @@
 from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
 from sqlalchemy.orm import declarative_base
-from .settings import get_settings
-import os
+from config.settings import get_settings
 
+# 从配置文件获取数据库URL
 settings = get_settings()
+DATABASE_URL = f'mysql+aiomysql://{settings.DB_USER}:{settings.DB_PASSWORD}@{settings.DB_HOST}:{settings.DB_PORT}/{settings.DB_NAME}?charset={settings.DB_CHARSET}'
 
-# 检测是否使用测试环境（SQLite）
-IS_TEST = settings.DEBUG or os.getenv("USE_SQLITE", "false").lower() == "true"
-
-if IS_TEST:
-    # 测试环境使用SQLite
-    DATABASE_URL = "sqlite+aiosqlite:///:memory:"
-else:
-    # 生产环境使用MySQL
-    DATABASE_URL = (
-        f"mysql+aiomysql://{settings.DB_USER}:{settings.DB_PASSWORD}"
-        f"@{settings.DB_HOST}:{settings.DB_PORT}/{settings.DB_NAME}"
-        f"?charset={settings.DB_CHARSET}"
-    )
-
-engine = create_async_engine(DATABASE_URL, echo=settings.DEBUG, future=True)
-
+engine = create_async_engine(DATABASE_URL, echo=False, future=True)
 AsyncSessionLocal = async_sessionmaker(
     engine, class_=AsyncSession, expire_on_commit=False
 )
@@ -29,30 +15,9 @@ Base = declarative_base()
 
 
 async def get_db():
-    """获取数据库会话的依赖项函数
-
-    用于FastAPI依赖注入，自动管理数据库会话的生命周期
-    成功时自动提交，异常时自动回滚，最后确保关闭会话
-
-    第一次调用时自动创建表结构
-    """
+    """获取数据库会话"""
     async with AsyncSessionLocal() as session:
         try:
-            # 检查表是否存在，如果不存在则创建
-            from sqlalchemy import inspect, text
-            from src.models.user import User
-            from src.models.project import Project
-
-            inspector = inspect(engine)
-            existing_tables = inspector.get_table_names()
-
-            if "users" not in existing_tables:
-                async with engine.begin() as conn:
-                    await conn.run_sync(Base.metadata.create_all, tables=[User.__tablename__])
-            elif "projects" not in existing_tables:
-                async with engine.begin() as conn:
-                    await conn.run_sync(Base.metadata.create_all, tables=[Project.__tablename__])
-
             yield session
             await session.commit()
         except Exception: