164 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			164 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# app/services/user_service.py
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from app.models.user import User, Role, db
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from sqlalchemy import or_
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from datetime import datetime
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class UserService:
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    @staticmethod
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    def get_users(page=1, per_page=10, search_query=None, status=None, role_id=None):
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        """
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        获取用户列表,支持分页、搜索和过滤
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        """
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        query = User.query
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        # 搜索条件
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        if search_query:
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            query = query.filter(or_(
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                User.username.like(f'%{search_query}%'),
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                User.email.like(f'%{search_query}%'),
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                User.nickname.like(f'%{search_query}%'),
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                User.phone.like(f'%{search_query}%')
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            ))
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        # 状态过滤
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        if status is not None:
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            query = query.filter(User.status == status)
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        # 角色过滤
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        if role_id is not None:
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            query = query.filter(User.role_id == role_id)
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        # 分页
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        pagination = query.order_by(User.id.desc()).paginate(
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            page=page, per_page=per_page, error_out=False
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        )
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        return pagination
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    @staticmethod
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    def get_user_by_id(user_id):
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        """通过ID获取用户"""
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        return User.query.get(user_id)
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    @staticmethod
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    def update_user(user_id, data):
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        """更新用户信息"""
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        user = User.query.get(user_id)
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        if not user:
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            return False, "用户不存在"
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        try:
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            # 更新可编辑字段
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            if 'email' in data:
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                # 检查邮箱是否已被其他用户使用
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                existing = User.query.filter(User.email == data['email'], User.id != user_id).first()
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                if existing:
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                    return False, "邮箱已被使用"
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                user.email = data['email']
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            if 'phone' in data:
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                # 检查手机号是否已被其他用户使用
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                existing = User.query.filter(User.phone == data['phone'], User.id != user_id).first()
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                if existing:
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                    return False, "手机号已被使用"
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                user.phone = data['phone']
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            if 'nickname' in data and data['nickname']:
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                user.nickname = data['nickname']
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            # 只有管理员可以修改这些字段
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            if 'role_id' in data:
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                user.role_id = data['role_id']
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            if 'status' in data:
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                user.status = data['status']
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            if 'password' in data and data['password']:
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                user.set_password(data['password'])
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            user.updated_at = datetime.now()
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            db.session.commit()
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            return True, "用户信息更新成功"
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        except Exception as e:
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            db.session.rollback()
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            return False, f"更新失败: {str(e)}"
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    @staticmethod
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    def change_user_status(user_id, status):
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        """变更用户状态 (启用/禁用)"""
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        user = User.query.get(user_id)
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        if not user:
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            return False, "用户不存在"
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        try:
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            user.status = status
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            user.updated_at = datetime.now()
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            db.session.commit()
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            status_text = "启用" if status == 1 else "禁用"
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            return True, f"用户已{status_text}"
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        except Exception as e:
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            db.session.rollback()
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            return False, f"状态变更失败: {str(e)}"
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    @staticmethod
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    def delete_user(user_id):
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        """删除用户 (软删除,将状态设为-1)"""
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        user = User.query.get(user_id)
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        if not user:
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            return False, "用户不存在"
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        try:
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            user.status = -1  # 软删除,设置状态为-1
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            user.updated_at = datetime.now()
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            db.session.commit()
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            return True, "用户已删除"
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        except Exception as e:
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            db.session.rollback()
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            return False, f"删除失败: {str(e)}"
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    @staticmethod
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    def get_all_roles():
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        """获取所有角色"""
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        return Role.query.all()
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    @staticmethod
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    def create_role(role_name, description=None):
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        """创建新角色"""
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        existing = Role.query.filter_by(role_name=role_name).first()
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        if existing:
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            return False, "角色名已存在"
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        try:
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            role = Role(role_name=role_name, description=description)
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            db.session.add(role)
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            db.session.commit()
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            return True, "角色创建成功"
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        except Exception as e:
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            db.session.rollback()
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            return False, f"创建失败: {str(e)}"
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    @staticmethod
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    def update_role(role_id, role_name, description=None):
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        """更新角色信息"""
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        role = Role.query.get(role_id)
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        if not role:
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            return False, "角色不存在"
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        # 检查角色名是否已被使用
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        existing = Role.query.filter(Role.role_name == role_name, Role.id != role_id).first()
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        if existing:
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            return False, "角色名已存在"
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        try:
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            role.role_name = role_name
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            if description is not None:
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                role.description = description
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            db.session.commit()
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            return True, "角色更新成功"
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        except Exception as e:
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            db.session.rollback()
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            return False, f"更新失败: {str(e)}"
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