public HttpResponseMessage ListFollowAndFollowMeAndAttendeeAndPresenter(int personId, string userName, int conferenceId) { try { var followModel = new FollowModel(); var channelModel = new ChannelModel(); var listFollow = followModel.getListFollow(userName, conferenceId); var listFollowMe = followModel.getListFollowMe(userName, conferenceId); var listAttendee = channelModel.getListAttendee(personId, conferenceId); var listPresenter = channelModel.getListPresenter(personId, conferenceId); //Lọc ra những tài khoản giống nhau var result = new ListForNewChannel(); result.ListFollow = listFollow; result.ListFollowMe = listFollowMe; result.ListAttendee = new List <Presenter>(); result.ListPresenter = new List <Presenter>(); foreach (Presenter attendee in listAttendee) { if (result.ListFollow != null && result.ListFollowMe != null) { if (!result.ListFollow.Any(x => x.PERSON_ID == attendee.PERSON_ID) && !result.ListFollowMe.Any(x => x.PERSON_ID == attendee.PERSON_ID)) { if (attendee.PERSON_ID != personId) { result.ListAttendee.Add(attendee); } } } else if (result.ListFollow != null && result.ListFollowMe == null) { if (!result.ListFollow.Any(x => x.PERSON_ID == attendee.PERSON_ID)) { if (attendee.PERSON_ID != personId) { result.ListAttendee.Add(attendee); } } } else if (result.ListFollow == null && result.ListFollowMe != null) { if (!result.ListFollowMe.Any(x => x.PERSON_ID == attendee.PERSON_ID)) { if (attendee.PERSON_ID != personId) { result.ListAttendee.Add(attendee); } } } } foreach (Presenter presenter in listPresenter) { if (result.ListFollow != null && result.ListFollowMe != null) { if (!result.ListFollow.Any(x => x.PERSON_ID == presenter.PERSON_ID) && !result.ListFollowMe.Any(x => x.PERSON_ID == presenter.PERSON_ID)) { if (presenter.PERSON_ID != personId) { result.ListPresenter.Add(presenter); } } } else if (result.ListFollow != null && result.ListFollowMe == null) { if (!result.ListFollow.Any(x => x.PERSON_ID == presenter.PERSON_ID)) { if (presenter.PERSON_ID != personId) { result.ListPresenter.Add(presenter); } } } else if (result.ListFollow == null && result.ListFollowMe != null) { if (!result.ListFollowMe.Any(x => x.PERSON_ID == presenter.PERSON_ID)) { if (presenter.PERSON_ID != personId) { result.ListPresenter.Add(presenter); } } } } return(ResponseSuccess(StringResource.Success, result)); } catch { return(ResponseFail(StringResource.Get_list_for_new_channel_error)); } }