PayrollManagementSystem/backend/app/repositories/login_log_repository.py
liuwenxin c83287819a feat(system): 完成后端系统管理(审计/角色/操作日志/日志查询)
- 操作日志审计机制:audit 上下文(成功与失败都记、独立提交、操作人标量
  固化、commit 后查询前置约定),用户/角色全部写操作接入;request_data
  按键名的结构化脱敏 + UTF-8 字节边界截断
- 角色管理:CRUD 与启停;admin 禁删禁停、有绑定禁删(FOR UPDATE 锁行)、
  编码创建后不可改、停用角色不可再分配
- 日志查询:操作/登录两端点,列表与详情两段式(详情含已脱敏请求参数);
  时间参数统一转本地 naive(修混用时区 500 与偏移丢弃)
- 用户管理:补齐 reset_password 操作人、编辑空串归一 NULL、并发唯一键兜底 400
- 测试 301 例全绿(单元 223 / 集成 78)

Co-Authored-By: Claude Code <noreply@anthropic.com>
2026-10-10 16:28:04 +08:00

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"""登录日志数据访问。"""
from sqlalchemy import Select, func, select
from sqlalchemy.orm import Session
from app.models import LoginLog
from app.repositories.query_utils import LogFilters, apply_log_filters
# user_agent 列宽,超长需截断否则插入报错
_USER_AGENT_MAX_LEN = 255
def add(
session: Session,
*,
user_id: int | None,
username: str,
ip: str | None,
user_agent: str | None,
success: bool,
fail_reason: str | None = None,
) -> None:
"""写入一条登录日志。只 flush 不 commit。
**绝不记录密码** —— 明文与哈希都不写。日志是最容易泄漏凭据的地方。
:param user_id: 账号不存在时传 None(列本身可空)
:param username: 用户名原样记录,便于账号不存在时也能追溯
"""
session.add(
LoginLog(
user_id=user_id,
username=username,
ip=ip,
user_agent=user_agent[:_USER_AGENT_MAX_LEN] if user_agent else None,
success=1 if success else 0,
fail_reason=fail_reason,
)
)
session.flush()
def list_logs(
session: Session,
*,
offset: int,
limit: int,
filters: LogFilters,
ip: str | None = None,
) -> list[LoginLog]:
"""分页查询登录日志。
**按 id 倒序而非 create_time**:后者是秒级精度,同一秒内的多条记录排序
不确定,翻页会重复或遗漏(与用户列表同一理由)。
"""
stmt = _apply_filters(select(LoginLog), filters=filters, ip=ip)
stmt = stmt.order_by(LoginLog.id.desc()).offset(offset).limit(limit)
return list(session.execute(stmt).scalars())
def count_logs(
session: Session,
*,
filters: LogFilters,
ip: str | None = None,
) -> int:
"""统计符合条件的登录日志总数,供分页使用。"""
stmt = _apply_filters(select(func.count(LoginLog.id)), filters=filters, ip=ip)
return int(session.execute(stmt).scalar_one())
def _apply_filters(stmt: Select, *, filters: LogFilters, ip: str | None) -> Select:
"""应用筛选条件(公共部分复用 query_utils,与操作日志同口径)。"""
stmt = apply_log_filters(stmt, LoginLog, filters)
if ip:
stmt = stmt.where(LoginLog.ip == ip)
return stmt