using WIDESEAWCS_Core.Authorization; using WIDESEAWCS_Core; using WIDESEAWCS_Core.BaseServices; using WIDESEAWCS_Core.Const; using WIDESEAWCS_Core.Helper; using WIDESEAWCS_Core.HttpContextUser; using WIDESEAWCS_ISystemServices; using WIDESEAWCS_Model; using WIDESEAWCS_Model.Models; using WIDESEAWCS_ISystemRepository; using WIDESEAWCS_Core.BaseRepository; using System.Net; using WIDESEAWCS_Core.Caches; using WIDESEA_ISerialPortRepository; using Microsoft.AspNetCore.Http; using SqlSugar; using ICacheService = WIDESEAWCS_Core.Caches.ICacheService; using Microsoft.AspNetCore.Builder; using WIDESEAWCS_DTO.SerialPort; using WIDESEAWCS_DTO.Telescopic; using WIDESEAWCS_Common; using Newtonsoft.Json; using OfficeOpenXml.FormulaParsing.Excel.Functions.Math; using System.Security.Policy; namespace WIDESEAWCS_SystemServices { public class Sys_UserService : ServiceBase, ISys_UserService { private readonly IUnitOfWorkManage _unitOfWorkManage; private readonly ICacheService _cacheService; private readonly ISys_MenuService _menuService; private readonly ISys_RoleRepository _RoleRepository; private readonly ILoginHistoryRepository _loginHistoryRepository; private readonly IPutakeRepository _putakeRepository; private readonly IFaceRecognitionRepository _faceRecognitionRepository; public Sys_UserService(IFaceRecognitionRepository faceRecognitionRepository, ISys_UserRepository repository, IUnitOfWorkManage unitOfWorkManage, ICacheService cacheService, ISys_MenuService menuService, ISys_RoleRepository roleRepository, ILoginHistoryRepository loginHistoryRepository, IPutakeRepository putakeRepository) : base(repository) { _unitOfWorkManage = unitOfWorkManage; _cacheService = cacheService; _menuService = menuService; _RoleRepository = roleRepository; _RoleRepository = roleRepository; _loginHistoryRepository = loginHistoryRepository; _putakeRepository = putakeRepository; _faceRecognitionRepository = faceRecognitionRepository; } //#region 原本登入 //public WebResponseContent Login(LoginInfo loginInfo) //{ // WebResponseContent content = new WebResponseContent(); // try // { // // BaseDal.QueryFirst(x => x.UserName == loginInfo.UserName); // string msg = string.Empty; // #region 临时使用 // try // { // loginInfo.Password = loginInfo.Password.EncryptDES(AppSecret.User); // } // catch // { // } // #endregion // if (!string.IsNullOrEmpty(loginInfo.path)) // { // var gruoid = _faceRecognitionRepository.QueryData().Select(x => x.GroupID).FirstOrDefault(); // if (gruoid == null) // { // return new WebResponseContent { Status = false, Message = "没找到该组" }; // } // var faceResult = BaiDuFaceHelper.FaceSearch(loginInfo.path, gruoid); // if (faceResult != null && faceResult.error_code == 0) // { // // 获取最高匹配度的用户 // var bestMatch = faceResult.result.user_list.OrderByDescending(u => u.score).FirstOrDefault();//拿第一个最高的 // if (bestMatch != null && double.TryParse(bestMatch.score, out double score) && score > 80) // 设定80分为可信度阈值 // { // //return new WebResponseContent {Status=true,Data = true,Message="识别登入成功" }; // } // } // return WebResponseContent.Instance.Error("人脸识别失败，请重试"); // } // UserInfo user = BaseDal.GetUserInfo(loginInfo.UserName, loginInfo.Password); // var disbled = BaseDal.QueryFirst(x => x.UserName == loginInfo.UserName);//根据这个用户名来查看用户 // if (user != null) // { // object obj = _menuService.GetMenuActionList(user.RoleId); // if (obj is not IEnumerable list) // { // return WebResponseContent.Instance.Error("无登录权限"); // } // if (!list.Any()) // { // return WebResponseContent.Instance.Error("无登录权限"); // } // if (disbled.Enable != 1) // { // return WebResponseContent.Instance.Error("你的账号已被禁用，请联系管理员"); // } // string token = JwtHelper.IssueJwt(new TokenModelJwt() // { // UserId = user.UserId, // RoleId = user.RoleId, // UserName = user.UserName, // TenantId = user.TenantId, // }); // //登入历史记录 // var loghis = new Dt_LoginHistory // { // Account = user.UserName, // TrurName = user.UserTrueName, // CreateDate = DateTime.Now // }; // _cacheService.AddOrUpdate(user.UserId.ToString(), token); // _loginHistoryRepository.AddData(loghis); // content = WebResponseContent.Instance.OK(data: new { token, userName = user.UserTrueName, img = user.HeadImageUrl, ID = user.UserId, RoleId = user.RoleId }); // } // else // { // content = WebResponseContent.Instance.Error("账号或密码错误"); // } // } // catch (Exception ex) // { // content = WebResponseContent.Instance.Error(ex.Message); // } // return content; //} //#endregion /// /// 人脸识别登入接口 /// /// /// public WebResponseContent Login(LoginInfo loginInfo) { WebResponseContent content = new WebResponseContent(); try { //string msg = string.Empty; #region 临时使用 try { loginInfo.Password = loginInfo.Password.EncryptDES(AppSecret.User); } catch { } #endregion // 先获取用户信息 UserInfo user = null; if (!string.IsNullOrEmpty(loginInfo.path)) { // 人脸识别登录 var groupId = _faceRecognitionRepository.QueryData().Select(x => x.GroupID).FirstOrDefault(); if (groupId == null) { return WebResponseContent.Instance.Error("没找到该人脸识别分组"); } var faceResult = BaiDuFaceHelper.FaceSearch(loginInfo.path, groupId); if (faceResult != null && faceResult.error_code == 0) { var bestMatch = faceResult.result.user_list.OrderByDescending(u => u.score).FirstOrDefault(); string usercount = bestMatch.user_id; if (bestMatch != null && double.TryParse(bestMatch.score, out double score) && score > 80) { //用识别到的 user_id 来获取用户信息 var faceuser = BaseDal.QueryData(x => x.UserName == usercount).FirstOrDefault(); // 获取匹配的第一个用户 if (faceuser != null) { // 手动将 Sys_User 映射到 UserInfo user = new UserInfo { UserId = faceuser.User_Id, UserName = faceuser.UserName, UserTrueName = faceuser.UserTrueName, HeadImageUrl = faceuser.HeadImageUrl, RoleId = faceuser.Role_Id, TenantId = faceuser.TenantId, }; } } if (user == null) { return WebResponseContent.Instance.Error("人脸识别失败，请重试"); } loginInfo.UserName = user.UserName; } } else { // 密码登录 user = BaseDal.GetUserInfo(loginInfo.UserName, loginInfo.Password); } // 如果找到用户 if (user != null) { var disbled = BaseDal.QueryFirst(x => x.UserName == loginInfo.UserName); if (disbled.Enable != 1) { return WebResponseContent.Instance.Error("你的账号已被禁用，请联系管理员"); } // 获取角色权限 object obj = _menuService.GetMenuActionList(user.RoleId); if (obj is not IEnumerable list || !list.Any()) { return WebResponseContent.Instance.Error("无登录权限"); } // 生成 JWT Token string token = JwtHelper.IssueJwt(new TokenModelJwt() { UserId = user.UserId, RoleId = user.RoleId, UserName = user.UserName, TenantId = user.TenantId, }); // 记录登录历史 var loghis = new Dt_LoginHistory { Account = user.UserName, TrurName = user.UserTrueName, CreateDate = DateTime.Now }; // 保存用户登录信息 _cacheService.AddOrUpdate(user.UserId.ToString(), token); _loginHistoryRepository.AddData(loghis); // 返回响应 content = WebResponseContent.Instance.OK(data: new { token, userName = user.UserTrueName, img = user.HeadImageUrl, ID = user.UserId, RoleId = user.RoleId }); } else { content = WebResponseContent.Instance.Error("账号或密码错误"); } } catch (Exception ex) { content = WebResponseContent.Instance.Error(ex.Message); } return content; } public override WebResponseContent UpdateData(SaveModel saveModel) { UpdateIgnoreColOnExecute = x => { return new List { nameof(Sys_User.UserPwd), nameof(Sys_User.TenantId) }; }; return base.UpdateData(saveModel); } public override WebResponseContent AddData(SaveModel saveModel) { string pwd = "123456"; string uesrName = saveModel.MainData[nameof(Sys_User.UserName).FirstLetterToLower()].ToString(); saveModel.MainData[nameof(Sys_User.UserPwd).FirstLetterToLower()] = pwd.EncryptDES(AppSecret.User); WebResponseContent content = base.AddData(saveModel); if (content.Status) { return WebResponseContent.Instance.OK($"用户新建成功.帐号{uesrName}密码{pwd}"); } else { return content; } } /// /// 个人中心获取当前用户信息 /// /// public WebResponseContent GetCurrentUserInfo() { var data = BaseDal.QueryFirst(x => x.User_Id == App.User.UserId, s => new { s.UserName, s.UserTrueName, s.Address, s.PhoneNo, s.Email, s.Remark, s.Gender, s.RoleName, s.HeadImageUrl, s.CreateDate }); return WebResponseContent.Instance.OK(null, data); } /// /// 修改密码 /// /// /// public WebResponseContent ModifyPwd(string oldPwd, string newPwd) { WebResponseContent content = WebResponseContent.Instance; oldPwd = oldPwd?.Trim(); newPwd = newPwd?.Trim(); string message = ""; try { if (string.IsNullOrEmpty(oldPwd)) return WebResponseContent.Instance.Error("旧密码不能为空"); if (string.IsNullOrEmpty(newPwd)) return WebResponseContent.Instance.Error("新密码不能为空"); if (newPwd.Length < 6) return WebResponseContent.Instance.Error("密码不能少于6位"); int userId = App.User.UserId; string userCurrentPwd = BaseDal.QueryFirst(x => x.User_Id == userId, s => s.UserPwd); string _oldPwd = oldPwd.EncryptDES(AppSecret.User); if (_oldPwd != userCurrentPwd) return WebResponseContent.Instance.Error("旧密码不正确"); string _newPwd = newPwd.EncryptDES(AppSecret.User); if (userCurrentPwd == _newPwd) return WebResponseContent.Instance.Error("新密码不能与旧密码相同"); BaseDal.UpdateData(new Sys_User { User_Id = userId, UserPwd = _newPwd, LastModifyPwdDate = DateTime.Now }, new List { nameof(Sys_User.LastModifyPwdDate), nameof(Sys_User.UserPwd) }); //content = WebResponseContent.Instance.OK("密码修改成功"); content = WebResponseContent.Instance.OK("密码修改成功", userId); } catch (Exception ex) { message = ex.Message; content = WebResponseContent.Instance.Error("服务器了点问题,请稍后再试"); } return content; } public WebResponseContent GetUerType() { try { var role = _RoleRepository.QueryData(); var user = BaseDal.QueryData(); var result = user.Join( role, u => u.Role_Id, r => r.RoleId, (u, r) => new { u.User_Id, u.UserName, r.RoleId, u.RoleName, u.UserTrueName, }).ToList(); return new WebResponseContent { Status = true, Data = result }; } catch (Exception ex) { return new WebResponseContent { Status = false, Message = "失败" + ex }; } } public WebResponseContent PermissionView(int userId, string group) { try { // 1. 获取用户信息 var user = BaseDal.QueryData(x => x.User_Id == userId).FirstOrDefault(); var allTasks = _putakeRepository.QueryData(); if (user == null) { return new WebResponseContent { Status = false, Message = "用户不存在" }; } string roleName = user.RoleName; // 2. 判断是否是超级管理员 if (roleName.Contains("超级管理员")) { // 超级管理员仍然要筛选指定 group var adminTasks = allTasks.Where(x => x.Grouptype == group).ToList(); return new WebResponseContent { Status = true, Data = adminTasks, Message = "获取成功" }; } // 3. 确定普通用户角色匹配的任务类型 List allowedGroups = new List(); if (roleName.Contains("地沟")) allowedGroups.Add("地沟");//如果添加进数组中 if (roleName.Contains("电气")) allowedGroups.Add("电气"); if (roleName.Contains("机械")) allowedGroups.Add("机械"); if (allowedGroups.Count == 0) { return new WebResponseContent { Status = false, Message = "您无权限查看任务" }; } // 4. 普通用户只能看自己权限范围内的任务 if (!allowedGroups.Contains(group)) { return new WebResponseContent { Status = false, Message = "您无权限查看该任务类别" }; } var tasks = allTasks.Where(t => t.Grouptype == group).ToList(); return new WebResponseContent { Status = true, Data = tasks, Message = "获取成功" }; } catch (Exception ex) { return new WebResponseContent { Status = false, Message = "错误: " + ex.Message }; } } /// /// 图片文件名 /// /// /// public WebResponseContent SaveFiles(IFormCollection files) { if (files == null || files.Files.Count == 0) return new WebResponseContent { Status = false, Message = "请上传文件" }; // 1. 确保存储目录存在 string baseDirectory = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", "image"); if (!Directory.Exists(baseDirectory)) Directory.CreateDirectory(baseDirectory); try { var file = files.Files[0]; // 只处理第一个文件 string fileName = file.FileName; // 直接使用前端的文件名 string fullFilePath = Path.Combine(baseDirectory, fileName); // 2. 保存文件（如果存在，则覆盖） using (var stream = new FileStream(fullFilePath, FileMode.Create)) { file.CopyTo(stream); } // 3. 返回文件名 return new WebResponseContent { Status = true, Message = "文件上传成功", Data = fileName }; } catch (Exception ex) { return new WebResponseContent { Status = false, Message = "上传文件失败：" + ex.Message }; } } /// /// 更新密码 /// /// /// /// /// public WebResponseContent UpdatePwd(int id, string oldPwd, string newPwd) { WebResponseContent content = new WebResponseContent(); oldPwd = oldPwd?.Trim(); newPwd = newPwd?.Trim(); try { if (string.IsNullOrEmpty(oldPwd)) return content.Error("旧密码不能为空"); if (string.IsNullOrEmpty(newPwd)) return content.Error("新密码不能为空"); if (newPwd.Length < 6) return content.Error("密码不能少于6位"); // 获取用户当前密码 string userCurrentPwd = BaseDal.QueryFirst(x => x.User_Id == id, s => s.UserPwd) ?? ""; if (string.IsNullOrEmpty(userCurrentPwd)) return content.Error("用户不存在或密码未设置"); //// 进行密码加密对比 //string _oldPwd = oldPwd.EncryptDES(AppSecret.User); //if (_oldPwd != userCurrentPwd) return content.Error("旧密码不正确"); // 生成新密码加密值 string _newPwd = newPwd.EncryptDES(AppSecret.User); if (userCurrentPwd == _newPwd) return content.Error("新密码不能与旧密码相同"); // 更新密码 bool isUpdated = BaseDal.UpdateData(new Sys_User { User_Id = id, UserPwd = _newPwd, LastModifyPwdDate = DateTime.Now }, new List { nameof(Sys_User.LastModifyPwdDate), nameof(Sys_User.UserPwd) }); if (!isUpdated) { return content.Error("密码修改失败，请稍后重试"); } return content.OK("密码修改成功", id); } catch (Exception ex) { Console.WriteLine($"修改密码异常: {ex.Message}"); return content.Error($"服务器错误: {ex.Message}"); } } public WebResponseContent Upuserbase(UserDTO userDTO) { try { var user = BaseDal.QueryData(x => x.User_Id == userDTO.id).FirstOrDefault(); if (user == null) { return new WebResponseContent { Status = false, Message = "没找到该用户" }; } user.UserTrueName = userDTO.usertruename; user.PhoneNo = userDTO.phone; user.HeadImageUrl = userDTO.files; BaseDal.UpdateData(user); // 确保更新到数据库 return new WebResponseContent { Status = true, Data = user }; } catch (Exception ex) { return new WebResponseContent { Status = false, Message = "失败：" + ex }; } } /// /// 查看用户信息和人脸识别表 /// /// /// public WebResponseContent GetUserFace(PaginationDTO paginationDTO) { try { int totalCount = 0; var sys = Db.Queryable(); var face = _faceRecognitionRepository.Db.Queryable(); if (face == null) { return new WebResponseContent { Status = false, Message = "数据为空" }; } var query = sys.LeftJoin((a, b) => a.Log_id == b.GroupID); if (!string.IsNullOrEmpty(paginationDTO.searchKeyword)) { query = query.Where((a, b) => a.UserName.Contains(paginationDTO.searchKeyword) || a.UserTrueName.Contains(paginationDTO.searchKeyword) || a.PhoneNo.Contains(paginationDTO.searchKeyword) || a.RoleName.Contains(paginationDTO.searchKeyword) || a.Role_Id.ToString().Contains(paginationDTO.searchKeyword) ); } if (paginationDTO.startDate.HasValue && paginationDTO.endDate.HasValue) { query = query.Where((a, b) => a.CreateDate >= paginationDTO.startDate && a.CreateDate <= paginationDTO.endDate); } var result = query.Select((a, b) => new { a.Log_id, a.User_Id, a.UserName, a.UserTrueName, a.UserPwd, a.PhoneNo, a.Role_Id, a.RoleName, a.HeadImageUrl, a.Enable, a.CreateDate, a.Face_token, b.GroupID, }).ToPageList(paginationDTO.pageIndex, paginationDTO.pageSize, ref totalCount); return new WebResponseContent { Status = true, Data = new { TotalCount = totalCount,//总数 PageIndex = paginationDTO.pageIndex,//页数 PaseSize = paginationDTO.pageSize,//一页多少数据 Items = result//返回字段 } }; } catch (Exception) { throw; } } /// /// 添加用户 /// /// /// public WebResponseContent AdduserData(AddUserDTO addUserDTO) { try { if (addUserDTO == null) { return new WebResponseContent { Status = false, Message = "请求数据为空，可能是 JSON 解析失败" }; } var list = BaseDal.QueryData(a => a.UserName == addUserDTO.username).FirstOrDefault(); if (list != null) { return new WebResponseContent { Status = false, Message = "账号重复，请重新录入" }; } var face = _faceRecognitionRepository.QueryData().Select(x => x.GroupID).FirstOrDefault(); ; var baiduResult = BaiDuFaceHelper.AddUser(new BDUserInfo { ImgPath = addUserDTO.path, user_id = addUserDTO.username, group_id = face // 这里应该填百度人脸库分组 // group_id = baiduResult.result.log_id }); // 判断百度返回是否成功 if (baiduResult == null || baiduResult.error_code != 0) { return new WebResponseContent { Status = false, Data = "人脸注册失败：" + baiduResult.error_msg }; } // 创建用户数据 var sys = new Sys_User { UserName = addUserDTO.username, UserTrueName=addUserDTO.usertruename, HeadImageUrl=addUserDTO.path, Log_id = baiduResult.log_id, Face_token = baiduResult.result.face_token, PhoneNo = addUserDTO.phoneno, Role_Id = addUserDTO.roleid, RoleName = addUserDTO.rolename, Enable = addUserDTO.enable, UserPwd= "j79rYYvCz4vdhcboB1Ausg==", CreateDate=DateTime.Now }; BaseDal.AddData(sys); return new WebResponseContent { Status = true, Data = sys }; } catch (Exception ex) { return new WebResponseContent { Status = false, Message = "失败" + ex }; } } /// /// 更新用户 /// /// /// public WebResponseContent UpuserData(AddUserDTO addUserDTO) { try { // 1. 查询用户 var sys = BaseDal.QueryData(x => x.User_Id == addUserDTO.id).FirstOrDefault(); if (sys == null) { return new WebResponseContent { Status = false, Message = "没找到该用户" }; } // 2. 查询人脸库分组 ID var faceGroupID = _faceRecognitionRepository.QueryData().Select(x => x.GroupID).FirstOrDefault(); // 3. 判断是否需要更新人脸信息 string faceToken = null; if (!string.IsNullOrEmpty(addUserDTO.path)) // 只有传了新图片，才更新人脸信息 { var baiduResult = BaiDuFaceHelper.AddUser(new BDUserInfo { ImgPath = addUserDTO.path, user_id = addUserDTO.username, group_id = faceGroupID // 这里应该填百度人脸库分组 }); // 4. 判断百度 API 是否成功 if (baiduResult == null || baiduResult.error_code != 0) { return new WebResponseContent { Status = false, Message = "该图片也存在，不要重复上传：" + baiduResult.error_msg }; } // 5. 只有当上传了新图片并成功时，才更新这些字段 faceToken = baiduResult.result.face_token; sys.Log_id = baiduResult.log_id; sys.HeadImageUrl = addUserDTO.path; } // 6. 更新用户其他信息 sys.UserName = addUserDTO.username; sys.UserTrueName = addUserDTO.usertruename; sys.Face_token = faceToken ?? sys.Face_token; // 只有当 faceToken 有值时才更新，否则保持原值 sys.PhoneNo = addUserDTO.phoneno; sys.Role_Id = addUserDTO.roleid; sys.RoleName = addUserDTO.rolename; sys.Enable = addUserDTO.enable; // 7. 更新数据库 BaseDal.UpdateData(sys); return new WebResponseContent { Status = true, Data = sys }; } catch (Exception ex) { return new WebResponseContent { Status = false, Message = "失败：" + ex.Message }; } } /// /// 删除 /// /// /// public WebResponseContent DeleteUserData(string account) { try { // 2. 查询人脸库分组 ID var faceGroupID = _faceRecognitionRepository.QueryData().Select(x => x.GroupID).FirstOrDefault(); WIDESEAWCS_Common.DeleteUserImg deleteUserImg = new WIDESEAWCS_Common.DeleteUserImg(); deleteUserImg.group_id = faceGroupID; deleteUserImg.user_id = account; string apiResult = BaiDuFaceHelper.DeleteUser(deleteUserImg);//只要给token和log_id // 2. 解析返回结果，判断删除是否成功 dynamic resultObj = JsonConvert.DeserializeObject(apiResult); if (resultObj.error_code == 0) { // 百度删除成功后，删除数据库中的用户 var user = BaseDal.QueryData(x=>x.UserName== account); if (user != null) { BaseDal.DeleteData(user); } return WebResponseContent.Instance.OK("用户删除成功"); } else { return WebResponseContent.Instance.Error("百度 API 删除失败：" + resultObj.error_msg); } } catch (Exception ex) { return WebResponseContent.Instance.Error("删除用户失败：" + ex.Message); } } public WebResponseContent SaveFaceFiles(IFormCollection files) { if (files == null || files.Files.Count == 0) return new WebResponseContent { Status = false, Message = "请上传文件" }; // 1. 确保存储目录存在 string baseDirectory = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", "UploadfaceImage"); if (!Directory.Exists(baseDirectory)) Directory.CreateDirectory(baseDirectory); try { var file = files.Files[0]; // 只处理第一个文件 string fileName = file.FileName; // 直接使用前端的文件名 string fullFilePath = Path.Combine(baseDirectory, fileName); // 2. 保存文件（如果存在，则覆盖） using (var stream = new FileStream(fullFilePath, FileMode.Create)) { file.CopyTo(stream); } // 3. 返回文件名 return new WebResponseContent { Status = true, Message = "文件上传成功", Data = fileName }; } catch (Exception ex) { return new WebResponseContent { Status = false, Message = "上传文件失败：" + ex.Message }; } } /// /// 删除数据库中没有使用的图片 /// /// /// public WebResponseContent CleanUnusedImages() { try { // 获取文件的完整路径 string pathimage = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", "image"); // 如果文件夹不存在，返回错误信息 if (!Directory.Exists(pathimage)) { return new WebResponseContent { Status = false, Message = "图片文件夹不存在" }; } // **使用 HashSet 提高查找效率** var userImageSet = BaseDal.QueryData(x => !string.IsNullOrEmpty(x.HeadImageUrl)) .Select(x => x.HeadImageUrl) .ToHashSet(); // **提升查询速度** // 获取文件夹中的所有图片文件（文件名） var imageFiles = Directory.GetFiles(pathimage) .Select(Path.GetFileName) .ToList(); int deletedCount = 0; foreach (var file in imageFiles) { // **HashSet 查询 O(1)** if (!userImageSet.Contains(file)) { string filePath = Path.Combine(pathimage, file); try { File.Delete(filePath); deletedCount++; } catch (Exception ex) { Console.WriteLine($"无法删除文件 {file}: {ex.Message}"); } } } return new WebResponseContent { Status = true, Message = $"清理完成，删除了 {deletedCount} 张未使用的图片" }; } catch (Exception ex) { return new WebResponseContent { Status = false, Message = $"清理失败: {ex.Message}" }; } } } }