first commit

backend/app/dependencies.py

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+"""
+通用依赖项模块，包含常用的FastAPI依赖项函数
+"""
+
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+from sqlalchemy.orm import Session
+
+from app.models.database import get_db
+from app.services.user import UserService
+from app.schemas.user import UserResponse
+
+# OAuth2密码Bearer
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/users/login")
+
+
+async def get_current_active_user(db: Session = Depends(get_db), token: str = Depends(oauth2_scheme)):
+    """获取当前活跃用户"""
+    user = UserService.get_current_user(db, token)
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Could not validate credentials",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    if hasattr(user, 'status') and user.status != "active":
+        raise HTTPException(status_code=400, detail="Inactive user")
+    return user