public async Task <ServiceResult <object> > KickUser(User owner, ChatGroup chatGroup, User user)
{
var owns = await OwnsGroup(owner, chatGroup);
if (!owns.ExtraData)
{
return(Unauthorized(owns.Detail));
}
if (chatGroup.CreatorId == user.Id)
{
return(Invalid("不能踢群主"));
}
var membership = Context.GroupMemberships.FirstOrDefault(m => m.UserId == user.Id && m.ChatGroupId == chatGroup.Id);
if (membership == null)
{
return(NotFound("该成员已不在群聊"));
}
Context.GroupMemberships.Remove(membership);
await Context.SaveChangesAsync();
if (ConnectionService.IsOnline(user.Id))
{
await HubContext.Groups.RemoveFromGroupAsync(ConnectionService.GetConnectionId(user.Id), chatGroup.Id.ToString());
}
UserDetailAndGroupDetail detail = new UserDetailAndGroupDetail {
Group = chatGroup.ToDetail(), User = user.ToDetail()
};
await NotificationService.NotifyGroupMembers(chatGroup.Id, JsonHelper.ToJson(detail), NotificationTypeEnum.UserKicked);
await NotificationService.Notify(user.Id, JsonHelper.ToJson(detail), NotificationTypeEnum.UserKicked);
return(Success("移除群聊成功"));
}
public async Task <ServiceResult <object> > JoinGroup(User user, ChatGroup chatGroup)
{
var membership = Context.GroupMemberships.FirstOrDefault(m => m.UserId == user.Id && m.ChatGroupId == chatGroup.Id);
if (membership != null)
{
return(Exist("您已在该群中"));
}
var request = Context.JoinGroupRequests.FirstOrDefault(r => r.User.Id == user.Id && r.Group.Id == chatGroup.Id);
if (request != null)
{
return(Exist("您已经申请加群"));
}
request = new JoinGroupRequest {
User = user, Group = chatGroup
};
Context.JoinGroupRequests.Add(request);
await Context.SaveChangesAsync();
UserDetailAndGroupDetail detail = new UserDetailAndGroupDetail
{
User = user.ToDetail(),
Group = chatGroup.ToDetail(),
RequestId = request.Id,
};
await NotificationService.Notify(chatGroup.Creator.Id, JsonHelper.ToJson(detail), NotificationTypeEnum.JoinRequest);
return(Success("加群申请成功"));
}
