有关Entity Framework的数据模型的操作(二)业务层

来源：互联网发布：setscale java 编辑：程序博客网时间：2024/04/28 04:52

public class TestUserManageBc : ITestUserManage
    {
  //业务层调用数据层时依赖接口，而不是直接New一个数据层对象，使用工厂模式创建对象
        private readonly IData.IUserManageProvider _provider = Data.DbProvider.GetUserManageInstance();

        #region 删除
        public int DeleteUserById(int id)
        {
            return _provider.DeleteUserById(id);
        }
        /// <summary>
        /// 删   除
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public int DeleteUser(int id)
        {

            int rtnNUmber;
           // 根据Id删除
          rtnNUmber = _provider.DeleteUserById(id);
            //删除实体
            //var user = _provider.LoadSysUser(id);
            //if(user!=null)
            //rtnNUmber = _provider.DeleteUser(user);

          // //删除多条
          // var users = _provider.ListUsers(new UserQuery {UserTrueName = "Anton"});
          //rtnNUmber= _provider.DeleteUserRange(users);
           return rtnNUmber;
        }

        public int DeleteRange(List<Sys_User> users)
        {
            return _provider.DeleteUserRange(users);
        }

#endregion

        #region 保存（添加已测试）
        /// <summary>
        /// 保   存
        /// </summary>
        /// <param name="user"></param>
        /// <param name="message"></param>
        /// <returns></returns>
        public int SaveUser(Sys_User user, out string message)
        {
            message = null;
            if (user.Id < 1)
            {
                #region 添加单条记录

Sys_User addUser = new Sys_User
{

                    UserName = user.UserName,
                    UserTrueName = "Anton",
                    Password = "",
                    Code = "",
                    CreateDate = DateTime.Now
                };
                var rtnUser = _provider.AddAndLoadUser(addUser);
                return rtnUser.Id;
                #endregion

#region 添加多条记录

                /*
            //添加多条记录
                return _provider.AddUser(new List<Sys_User>
            {
                new Sys_User
            {

                UserName = user.UserName,
                UserTrueName = "Anton",
                Password = "",
                Code = "",
                CreateDate = DateTime.Now
            },new Sys_User
            {

                UserName = user.UserName+"22",
                UserTrueName = "Antoneee",
                Password = "",
                Code = "",
                CreateDate = DateTime.Now
            }
            });
                */

                #endregion
            }
            return 0;
        }

        public Sys_User AddUserAndLoaduser(Sys_User user)
        {
            return _provider.LoadSysUser(user.Id);
        }
        #endregion

        #region 查询
        /// <summary>
        /// 列   表
        /// </summary>
        /// <param name="userQuery"></param>
        /// <returns></returns>
        public List<Sys_User> ListUsers(UserQuery userQuery)
        {
            return _provider.ListUsers(userQuery);
            // return _provider.ListUsersBySql(userQuery);
        }
        /// <summary>
        /// 总记录数
        /// </summary>
        /// <returns></returns>
        public int GetCheckInTotail()
        {
            return _provider.GetCheckInTotail();
        }
        /// <summary>
        /// 单条记录
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public Sys_User LoadSysUser(int id)
        {
            return _provider.LoadSysUser(id);
        }

#endregion

        #region 修改
        public int UpdateUserAll(Sys_User user)
        {
            return _provider.UpdateUserAll(user);
        }

        public int UpdateUserPart(Sys_User user)
        {
            //
            return _provider.UpdateUserPart(o=>new Sys_User{Id=user.Id, Code = user.Code,PreIpAddress = user.PreIpAddress});
        }

        public int Update(UserQuery filter, Sys_User user)
        {

           return _provider.Update(o =>o.Password.EndsWith("DDD"),o=>new Sys_User{Code = user.Code});
        }
        #endregion

        public int ChangeUserStateById(int id)
        {
            return _provider.ChangeUserStateById(id);
        }

        public int ChangeUserCodeById(int id)
        {
            return _provider.ChangeUserCodeById(id);
        }

}

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