public async Task <IResponse> ImportStudyGroupMembershipsAsync(IEnumerable <Student> currentStudents, short year, short section) { var studyGroups = await schildExporter.GetStudyGroupsAsync(currentStudents, year, section).ConfigureAwait(false); var membershipData = new List <StudyGroupMembershipData>(); if (OnlyVisibleEntities) { studyGroups = studyGroups.RemoveInvisibleGrades().Where(x => x.Grades.Count > 0).ToList(); } foreach (var studyGroup in studyGroups) { foreach (var membership in studyGroup.Memberships) { membershipData.Add(new StudyGroupMembershipData { StudyGroup = IdResolver.Resolve(studyGroup), Student = membership.Student.Id.ToString(), Type = membership.Type }); } } return(await iccImporter.ImportStudyGroupMembershipsAsync(membershipData)); }