首次提交by MimoCode

backend/app/services/user.py

@@ -0,0 +1,60 @@
+from typing import Optional, List
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.user import User
+from app.repositories.user import UserRepository
+from app.core.security import get_password_hash, verify_password
+
+
+class UserService:
+    def __init__(self, db: AsyncSession):
+        self.db = db
+        self.repo = UserRepository(db)
+
+    async def get_user(self, user_id: int) -> Optional[User]:
+        return await self.repo.get_by_id(user_id)
+
+    async def get_user_by_username(self, username: str) -> Optional[User]:
+        return await self.repo.get_by_username(username)
+
+    async def get_all_users(self) -> List[User]:
+        return await self.repo.get_all()
+
+    async def create_user(self, data: dict) -> User:
+        if "password" in data:
+            data["password_hash"] = get_password_hash(data.pop("password"))
+        return await self.repo.create(data)
+
+    async def update_user(self, user_id: int, data: dict) -> Optional[User]:
+        if "password" in data:
+            data["password_hash"] = get_password_hash(data.pop("password"))
+        return await self.repo.update(user_id, data)
+
+    async def delete_user(self, user_id: int) -> bool:
+        return await self.repo.delete(user_id)
+
+    async def authenticate(self, username: str, password: str) -> Optional[User]:
+        user = await self.repo.get_by_username(username)
+        if not user:
+            return None
+        if not verify_password(password, user.password_hash):
+            return None
+        if not user.is_active:
+            return None
+        return user
+
+    async def change_password(self, user_id: int, old_password: str, new_password: str) -> bool:
+        user = await self.repo.get_by_id(user_id)
+        if not user:
+            return False
+        if not verify_password(old_password, user.password_hash):
+            return False
+        await self.repo.update(user_id, {"password_hash": get_password_hash(new_password)})
+        return True
+
+    async def reset_password(self, user_id: int, new_password: str) -> bool:
+        user = await self.repo.get_by_id(user_id)
+        if not user:
+            return False
+        await self.repo.update(user_id, {"password_hash": get_password_hash(new_password)})
+        return True