/// <summary>
/// GroupEntity转换成<see cref="Lucene.Net.Documents.Document"/>
/// </summary>
/// <param name="GroupEntity">群组实体</param>
/// <returns>Lucene.Net.Documents.Document</returns>
public static Document Convert(GroupEntity group)
{
Document doc = new Document();
//索引群组基本信息
doc.Add(new Field(GroupIndexDocument.GroupId, group.GroupId.ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field(GroupIndexDocument.GroupName, group.GroupName, Field.Store.YES, Field.Index.ANALYZED));
doc.Add(new Field(GroupIndexDocument.Description, group.Description, Field.Store.NO, Field.Index.ANALYZED));
doc.Add(new Field(GroupIndexDocument.IsPublic, group.IsPublic==true ? "1" : "0", Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field(GroupIndexDocument.AreaCode, group.AreaCode, Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field(GroupIndexDocument.UserId, group.UserId.ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field(GroupIndexDocument.AuditStatus, ((int)group.AuditStatus).ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field(GroupIndexDocument.DateCreated, DateTools.DateToString(group.DateCreated, DateTools.Resolution.DAY), Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field(GroupIndexDocument.MemberCount,group.MemberCount.ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field(GroupIndexDocument.GrowthValue, group.GrowthValue.ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));
if (group.Category != null)
{
doc.Add(new Field(GroupIndexDocument.CategoryName, group.Category.CategoryName, Field.Store.YES, Field.Index.ANALYZED));
doc.Add(new Field(GroupIndexDocument.CategoryId, group.Category.CategoryId.ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));
}
//索引群组tag
foreach (string tagName in group.TagNames)
{
doc.Add(new Field(GroupIndexDocument.Tag, tagName.ToLower(), Field.Store.YES, Field.Index.ANALYZED));
}
return doc;
}
/// <summary>
/// 删除Logo
/// </summary>
/// <param name="recommendId">群组Id</param>
public void DeleteLogo(long groupId)
{
LogoService logoService = new LogoService(TenantTypeIds.Instance().Group());
logoService.DeleteLogo(groupId);
GroupEntity group = Get(groupId);
if (group == null)
{
return;
}
group.Logo = string.Empty;
groupRepository.Update(group);
}
/// <summary>
/// 获取群组所有成员用户Id集合(用于推送动态）
/// </summary>
/// <param name="groupId">群组Id</param>
/// <returns></returns>
public IEnumerable <long> GetUserIdsOfGroup(long groupId)
{
GroupEntity group = groupRepository.Get(groupId);
if (group == null)
{
return(new List <long>());
}
//不必缓存
IEnumerable <long> userIds = groupMemberRepository.GetUserIdsOfGroup(groupId);
var list = userIds.ToList();
list.Add(group.UserId);
return(list);
}
/// <summary>
/// 贴吧所在呈现区域拥有者自动创建贴吧事件
/// </summary>
/// <param name="sender">群组实体</param>
/// <param name="eventArgs">事件参数</param>
void AutoMaintainBarSectionModule_After(GroupEntity sender, CommonEventArgs eventArgs)
{
BarSectionService barSectionService = new BarSectionService();
if (eventArgs.EventOperationType == EventOperationType.Instance().Create())
{
BarSection barSection = BarSection.New();
barSection.TenantTypeId = TenantTypeIds.Instance().Group();
barSection.SectionId = sender.GroupId;
barSection.OwnerId = sender.GroupId;
barSection.UserId = sender.UserId;
barSection.Name = sender.GroupName;
barSection.IsEnabled = true;
barSection.LogoImage = sender.Logo;
barSection.ThreadCategoryStatus = ThreadCategoryStatus.NotForceEnabled;
barSectionService.Create(barSection, sender.UserId, null, null);
}
else if (eventArgs.EventOperationType == EventOperationType.Instance().Update())
{
BarSection barSection = barSectionService.Get(sender.GroupId);
barSection.UserId = sender.UserId;
barSection.Name = sender.GroupName;
barSection.LogoImage = sender.Logo;
IList<long> managerIds = null;
if (barSection.SectionManagers != null)
{
managerIds = barSection.SectionManagers.Select(n => n.UserId).ToList();
}
barSectionService.Update(barSection, sender.UserId, managerIds, null);
}
else if (eventArgs.EventOperationType == EventOperationType.Instance().Approved() || eventArgs.EventOperationType == EventOperationType.Instance().Disapproved())
{
BarSection barSection = barSectionService.Get(sender.GroupId);
barSection.AuditStatus = sender.AuditStatus;
IList<long> managerIds = null;
if (barSection.SectionManagers != null)
{
managerIds = barSection.SectionManagers.Select(n => n.UserId).ToList();
}
barSectionService.Update(barSection, sender.UserId, managerIds, null);
}
else
{
barSectionService.Delete(sender.GroupId);
}
}
/// <summary>
/// 群组实体
/// </summary>
public static GroupEntity New()
{
GroupEntity group = new GroupEntity()
{
GroupName = string.Empty,
Description = string.Empty,
Logo = string.Empty,
ThemeAppearance = string.Empty,
DateCreated = DateTime.UtcNow,
IP = WebUtility.GetIP(),
Announcement = string.Empty,
MemberCount = 1
};
return(group);
}
/// <summary>
/// 将数据库中的信息转换成EditModel实体
/// </summary>
/// <param name="groupEntity"></param>
/// <returns></returns>
public static GroupEditModel AsEditModel(this GroupEntity groupEntity)
{
return(new GroupEditModel
{
GroupId = groupEntity.GroupId,
IsPublic = groupEntity.IsPublic,
GroupName = groupEntity.GroupName,
GroupKey = groupEntity.GroupKey,
Logo = groupEntity.Logo,
Description = Formatter.FormatMultiLinePlainTextForEdit(groupEntity.Description, true),
AreaCode = groupEntity.AreaCode,
JoinWay = groupEntity.JoinWay,
EnableMemberInvite = groupEntity.EnableMemberInvite,
CategoryId = groupEntity.Category == null ? 0 : groupEntity.Category.CategoryId,
Question = groupEntity.Question,
Answer = groupEntity.Answer
});
}
/// <summary>
/// 是否具有管理Group的权限
/// </summary>
/// <param name="Group"></param>
/// <returns></returns>
public static bool Group_Manage(this Authorizer authorizer, GroupEntity group)
{
if (group == null)
{
return(false);
}
IUser currentUser = UserContext.CurrentUser;
if (currentUser == null)
{
return(false);
}
if (authorizer.IsAdministrator(GroupConfig.Instance().ApplicationId))
{
return(true);
}
if (currentUser.IsContentAdministrator())
{
return(true);
}
//群主
if (group.UserId == currentUser.UserId)
{
return(true);
}
GroupService groupService = new GroupService();
//群管理员
if (groupService.IsManager(group.GroupId, currentUser.UserId))
{
return(true);
}
return(false);
}
/// <summary>
/// 是否具有浏览群组的权限
/// </summary>
/// <param name="group"></param>
/// <returns></returns>
public static bool Group_View(this Authorizer authorizer, GroupEntity group)
{
if (group == null)
{
return(false);
}
if (group.AuditStatus == AuditStatus.Success)
{
if (group.IsPublic)
{
return(true);
}
if (UserContext.CurrentUser == null)
{
return(false);
}
if (authorizer.Group_Manage(group))
{
return(true);
}
GroupService groupService = new GroupService();
if (groupService.IsMember(group.GroupId, UserContext.CurrentUser.UserId))
{
return(true);
}
}
if (authorizer.IsAdministrator(GroupConfig.Instance().ApplicationId))
{
return(true);
}
return(false);
}
/// <summary>
/// 创建群组
/// </summary>
/// <param name="userId">当前操作人</param>
/// <param name="group"><see cref="GroupEntity"/></param>
/// <param name="logoFile">群组标识图</param>
/// <returns>创建成功返回true，失败返回false</returns>
public bool Create(long userId, GroupEntity group)
{
//设计要点
//1、使用AuditService设置审核状态；
//2、需要触发的事件参见《设计说明书-日志》
//3、单独调用标签服务设置标签
//4、使用 IdGenerator.Next() 生成GroupId
EventBus<GroupEntity>.Instance().OnBefore(group, new CommonEventArgs(EventOperationType.Instance().Create()));
//设置审核状态
auditService.ChangeAuditStatusForCreate(userId, group);
long id = 0;
long.TryParse(groupRepository.Insert(group).ToString(), out id);
if (id > 0)
{
EventBus<GroupEntity>.Instance().OnAfter(group, new CommonEventArgs(EventOperationType.Instance().Create()));
EventBus<GroupEntity, AuditEventArgs>.Instance().OnAfter(group, new AuditEventArgs(null, group.AuditStatus));
//用户的创建群组数+1
OwnerDataService ownerDataService = new OwnerDataService(TenantTypeIds.Instance().User());
ownerDataService.Change(group.UserId, OwnerDataKeys.Instance().CreatedGroupCount(), 1);
}
return id > 0;
}
/// <summary>
/// 转换成groupEntity类型
/// </summary>
/// <returns></returns>
public GroupEntity AsGroupEntity()
{
CategoryService categoryService = new CategoryService();
GroupEntity groupEntity = null;
//创建群组
if (this.GroupId == 0)
{
groupEntity = GroupEntity.New();
groupEntity.UserId = UserContext.CurrentUser.UserId;
groupEntity.DateCreated = DateTime.UtcNow;
groupEntity.GroupKey = this.GroupKey;
}
//编辑群组
else
{
GroupService groupService = new GroupService();
groupEntity = groupService.Get(this.GroupId);
}
groupEntity.IsPublic = this.IsPublic;
groupEntity.GroupName = this.GroupName;
if (Logo != null)
{
groupEntity.Logo = this.Logo;
}
groupEntity.Description = Formatter.FormatMultiLinePlainTextForStorage(this.Description == null ? string.Empty : this.Description, true);
groupEntity.AreaCode = this.AreaCode ?? string.Empty;
groupEntity.JoinWay = this.JoinWay;
groupEntity.EnableMemberInvite = this.EnableMemberInvite;
groupEntity.IsDynamicPermission = this.IsDynamicPermission;
if (JoinWay == JoinWay.ByQuestion)
{
groupEntity.Question = this.Question;
groupEntity.Answer = this.Answer;
}
return(groupEntity);
}
/// <summary>
/// 删除群组
/// </summary>
/// <param name="groupId">群组Id</param>
public void Delete(long groupId)
{
//设计要点
//1、需要删除：群组成员、群组申请、Logo；
GroupEntity group = groupRepository.Get(groupId);
if (group == null)
{
return;
}
CategoryService categoryService = new CategoryService();
categoryService.ClearCategoriesFromItem(groupId, null, TenantTypeIds.Instance().Group());
EventBus <GroupEntity> .Instance().OnBefore(group, new CommonEventArgs(EventOperationType.Instance().Delete()));
int affectCount = groupRepository.Delete(group);
if (affectCount > 0)
{
//删除访客记录
new VisitService(TenantTypeIds.Instance().Group()).CleanByToObjectId(groupId);
//用户的创建群组数-1
OwnerDataService ownerDataService = new OwnerDataService(TenantTypeIds.Instance().User());
ownerDataService.Change(group.UserId, OwnerDataKeys.Instance().CreatedGroupCount(), -1);
//删除Logo
LogoService logoService = new LogoService(TenantTypeIds.Instance().Group());
logoService.DeleteLogo(groupId);
//删除群组下的成员
DeleteMembersByGroupId(groupId);
EventBus <GroupEntity> .Instance().OnAfter(group, new CommonEventArgs(EventOperationType.Instance().Delete()));
EventBus <GroupEntity, AuditEventArgs> .Instance().OnAfter(group, new AuditEventArgs(group.AuditStatus, null));
}
}
/// <summary>
/// 是否具有邀请好友加入群组的权限
/// </summary>
/// <param name="group"></param>
/// <returns></returns>
public static bool Group_Invite(this Authorizer authorizer, GroupEntity group)
{
if (group == null)
{
return(false);
}
if (UserContext.CurrentUser == null)
{
return(false);
}
GroupService groupService = new GroupService();
if (authorizer.Group_Manage(group))
{
return(true);
}
if (group.EnableMemberInvite && groupService.IsMember(group.GroupId, UserContext.CurrentUser.UserId))
{
return(true);
}
return(false);
}
/// <summary>
/// 检测用户在群组中属于什么角色
/// </summary>
/// <param name="groupId">群组Id</param>
/// <param name="userId">用户Id</param>
/// <returns><see cref="GroupMemberRole"/></returns>
private GroupMemberRole GetGroupMemberRole(long groupId, long userId)
{
//设计要点：
//1、需要缓存，并维护缓存的即时性
GroupMember member = groupMemberRepository.GetMember(groupId, userId);
if (member == null)
{
GroupEntity group = groupRepository.Get(groupId);
if (group != null && group.UserId == userId)
{
return(GroupMemberRole.Owner);
}
return(GroupMemberRole.None);
}
if (member.IsManager)
{
return(GroupMemberRole.Manager);
}
else
{
return(GroupMemberRole.Member);
}
}
/// <summary>
/// 发送加入群组邀请
/// </summary>
/// <param name="group"><see cref="GroupEntity"/></param>
/// <param name="sender">发送人</param>
/// <param name="userIds">邀请接收人</param>
/// <param name="remark">附言</param>
public void SendInvitations(GroupEntity group, IUser sender, string remark, IEnumerable <long> userIds)
{
//调用InvitationService的发送请求的方法
InvitationService invitationService = new InvitationService();
foreach (var userId in userIds)
{
if (!IsMember(group.GroupId, userId))
{
Invitation invitation = Invitation.New();
invitation.ApplicationId = GroupConfig.Instance().ApplicationId;
invitation.InvitationTypeKey = InvitationTypeKeys.Instance().InviteJoinGroup();
invitation.UserId = userId;
invitation.SenderUserId = sender.UserId;
invitation.Sender = sender.DisplayName;
invitation.SenderUrl = SiteUrls.Instance().SpaceHome(sender.UserId);
invitation.RelativeObjectId = group.GroupId;
invitation.RelativeObjectName = group.GroupName;
invitation.RelativeObjectUrl = SiteUrls.Instance().GroupHome(group.GroupKey);
invitation.Remark = remark;
invitationService.Create(invitation);
}
}
}
/// <summary>
/// 是否具有浏览群组的权限
/// </summary>
/// <param name="group"></param>
/// <returns></returns>
public static bool Group_View(this Authorizer authorizer, GroupEntity group)
{
if (group == null)
return false;
if (group.AuditStatus == AuditStatus.Success)
{
if (group.IsPublic)
return true;
if (UserContext.CurrentUser == null)
return false;
if (authorizer.Group_Manage(group))
return true;
GroupService groupService = new GroupService();
if (groupService.IsMember(group.GroupId, UserContext.CurrentUser.UserId))
return true;
}
if (authorizer.IsAdministrator(GroupConfig.Instance().ApplicationId))
return true;
return false;
}
/// <summary>
/// 群组增量索引
/// </summary>
private void GroupEntity_After(GroupEntity group, CommonEventArgs eventArgs)
{
if (group == null)
{
return;
}
if (groupSearcher == null)
{
groupSearcher = (GroupSearcher)SearcherFactory.GetSearcher(GroupSearcher.CODE);
}
//添加索引
if (eventArgs.EventOperationType == EventOperationType.Instance().Create())
{
groupSearcher.Insert(group);
}
//删除索引
if (eventArgs.EventOperationType == EventOperationType.Instance().Delete())
{
groupSearcher.Delete(group.GroupId);
}
//更新索引
if (eventArgs.EventOperationType == EventOperationType.Instance().Update() || eventArgs.EventOperationType == EventOperationType.Instance().Approved() || eventArgs.EventOperationType == EventOperationType.Instance().Disapproved())
{
groupSearcher.Update(group);
}
}
/// <summary>
/// 添加索引
/// </summary>
/// <param name="GroupEntity">待添加的群组</param>
public void Insert(GroupEntity group)
{
Insert(new GroupEntity[] { group });
}
/// <summary>
/// 更新索引
/// </summary>
/// <param name="GroupEntity">待更新的群组</param>
public void Update(GroupEntity group)
{
Document doc = GroupIndexDocument.Convert(group);
searchEngine.Update(doc, group.GroupId.ToString(), GroupIndexDocument.GroupId);
}
/// <summary>
/// 群组实体
/// </summary>
public static GroupEntity New()
{
GroupEntity group = new GroupEntity()
{
GroupName = string.Empty,
Description = string.Empty,
Logo = string.Empty,
ThemeAppearance = string.Empty,
DateCreated = DateTime.UtcNow,
IP = WebUtility.GetIP(),
Announcement = string.Empty,
MemberCount = 1
};
return group;
}
/// <summary>
/// 是否拥有删除群组成员的权限
/// </summary>
/// <param name="authorizer"></param>
/// <param name="group"></param>
/// <param name="userId">被删除的用户Id</param>
/// <returns>是否拥有删除群组成员的权限</returns>
public static bool Group_DeleteMember(this Authorizer authorizer, GroupEntity group, long userId)
{
if (group == null)
return false;
IUser currentUser = UserContext.CurrentUser;
if (currentUser == null)
return false;
//群主
if (group.UserId == currentUser.UserId)
return true;
if (authorizer.IsAdministrator(GroupConfig.Instance().ApplicationId))
return true;
GroupService groupService = new GroupService();
//群管理员
if (groupService.IsManager(group.GroupId, currentUser.UserId) && !groupService.IsManager(group.GroupId, userId))
{
return true;
}
return false;
}
private WebimRoom Mapping(GroupEntity e)
{
string gid = e.GroupId.ToString();
WebimRoom room = new WebimRoom(gid, e.GroupName);
room.AllCount = e.MemberCount;
room.Avatar = SiteUrls.Instance().LogoUrl(e.Logo, TenantTypeIds.Instance().Group(), ImageSizeTypeKeys.Instance().Small());
room.Url = SiteUrls.Instance().GroupHome(e.GroupId);
return room;
}
/// <summary>
/// 删除群组是删除贴吧相关的
/// </summary>
/// <param name="group"></param>
/// <param name="eventArgs"></param>
private void DeleteGroup_Before(GroupEntity group, CommonEventArgs eventArgs)
{
if (eventArgs.EventOperationType == EventOperationType.Instance().Delete())
{
BarPostService barPostService = new BarPostService();
BarThreadService barThreadService = new BarThreadService();
PagingDataSet<BarThread> barThreads = barThreadService.Gets(group.GroupId);
new BarSectionService().Delete(group.GroupId);
barThreadService.DeletesBySectionId(group.GroupId);
foreach (var barThread in barThreads)
{
barPostService.DeletesByThreadId(barThread.ThreadId);
}
}
}
private void AuthorizeCore(AuthorizationContext filterContext)
{
string spaceKey = UserContext.CurrentSpaceKey(filterContext);
if (string.IsNullOrEmpty(spaceKey))
{
throw new ExceptionFacade("spaceKey为null");
}
GroupService groupService = new GroupService();
GroupEntity group = groupService.Get(spaceKey);
if (group == null)
{
throw new ExceptionFacade("找不到当前群组");
}
IUser currentUser = UserContext.CurrentUser;
//判断访问群组权限
if (!new Authorizer().Group_View(group))
{
if (currentUser == null)
{
filterContext.Result = new RedirectResult(SiteUrls.Instance().Login(true));
}
else
{
if (group.AuditStatus != AuditStatus.Success)
{
filterContext.Result = new RedirectResult(SiteUrls.Instance().SystemMessage(filterContext.Controller.TempData, new SystemMessageViewModel
{
Title = "无权访问群组！",
Body = "该群组还没有通过审核，所以不能访问！",
StatusMessageType = StatusMessageType.Error
}, filterContext.HttpContext.Request.RawUrl) /* 跳向无权访问页 */);
}
else
{
filterContext.Result = new RedirectResult(SiteUrls.Instance().SystemMessage(filterContext.Controller.TempData, new SystemMessageViewModel
{
Title = "无权访问群组！",
Body = "你没有访问该群组的权限",
StatusMessageType = StatusMessageType.Error
}, filterContext.HttpContext.Request.RawUrl) /* 跳向无权访问页 */);
}
}
return;
}
//判断该用户是否有访问该群组管理页面的权限
if (!RequireManager)
{
return;
}
//匿名用户要求先登录跳转
if (currentUser == null)
{
filterContext.Result = new RedirectResult(SiteUrls.Instance().Login(true));
return;
}
if (new Authorizer().Group_Manage(group))
{
return;
}
filterContext.Result = new RedirectResult(SiteUrls.Instance().SystemMessage(filterContext.Controller.TempData, new SystemMessageViewModel
{
Title = "无权访问",
Body = "您无权访问此页面，只有群主或管理员才能访问",
StatusMessageType = Tunynet.Mvc.StatusMessageType.Error
}) /* 跳向无权访问页 */);
}
/// <summary>
/// 添加索引
/// </summary>
/// <param name="GroupEntity">待添加的群组</param>
public void Insert(GroupEntity group)
{
Insert(new GroupEntity[] { group });
}
/// <summary>
/// 更新群组
/// </summary>
/// <param name="userId">当前操作人</param>
/// <param name="group"><see cref="GroupEntity"/></param>
/// <param name="logoFile">群组标识图</param>
public void Update(long userId, GroupEntity group)
{
EventBus<GroupEntity>.Instance().OnBefore(group, new CommonEventArgs(EventOperationType.Instance().Update()));
auditService.ChangeAuditStatusForUpdate(userId, group);
groupRepository.Update(group);
EventBus<GroupEntity>.Instance().OnAfter(group, new CommonEventArgs(EventOperationType.Instance().Update()));
}
/// <summary>
/// 更新索引
/// </summary>
/// <param name="GroupEntity">待更新的群组</param>
public void Update(GroupEntity group)
{
Document doc = GroupIndexDocument.Convert(group);
searchEngine.Update(doc, group.GroupId.ToString(), GroupIndexDocument.GroupId);
}
/// <summary>
/// 是否具有设置群管理员的权限
/// </summary>
/// <param name="authorizer"></param>
/// <param name="group"></param>
/// <returns></returns>
public static bool Group_SetManager(this Authorizer authorizer, GroupEntity group)
{
if (group == null)
return false;
IUser currentUser = UserContext.CurrentUser;
if (currentUser == null)
return false;
//群主
if (group.UserId == currentUser.UserId)
return true;
if (authorizer.IsAdministrator(GroupConfig.Instance().ApplicationId))
return true;
return false;
}
/// <summary>
/// 发送加入群组邀请
/// </summary>
/// <param name="group"><see cref="GroupEntity"/></param>
/// <param name="sender">发送人</param>
/// <param name="userIds">邀请接收人</param>
/// <param name="remark">附言</param>
public void SendInvitations(GroupEntity group, IUser sender, string remark, IEnumerable<long> userIds)
{
//调用InvitationService的发送请求的方法
InvitationService invitationService = new InvitationService();
foreach (var userId in userIds)
{
if (!IsMember(group.GroupId, userId))
{
Invitation invitation = Invitation.New();
invitation.ApplicationId = GroupConfig.Instance().ApplicationId;
invitation.InvitationTypeKey = InvitationTypeKeys.Instance().InviteJoinGroup();
invitation.UserId = userId;
invitation.SenderUserId = sender.UserId;
invitation.Sender = sender.DisplayName;
invitation.SenderUrl = SiteUrls.Instance().SpaceHome(sender.UserId);
invitation.RelativeObjectId = group.GroupId;
invitation.RelativeObjectName = group.GroupName;
invitation.RelativeObjectUrl = SiteUrls.Instance().GroupHome(group.GroupKey);
invitation.Remark = remark;
invitationService.Create(invitation);
}
}
}
/// <summary>
/// 是否具有邀请好友加入群组的权限
/// </summary>
/// <param name="group"></param>
/// <returns></returns>
public static bool Group_Invite(this Authorizer authorizer, GroupEntity group)
{
if (group == null)
return false;
if (UserContext.CurrentUser == null)
return false;
GroupService groupService = new GroupService();
if (authorizer.Group_Manage(group))
return true;
if (group.EnableMemberInvite && groupService.IsMember(group.GroupId, UserContext.CurrentUser.UserId))
return true;
return false;
}