public ActionResult Create(PeanutCreateCommand peanutCreateCommand, User currentUser) { Require.NotNull(peanutCreateCommand, "peanutCreateCommand"); Require.NotNull(currentUser, "currentUser"); if (!ModelState.IsValid) { List <UserGroupMembership> userGroupMemberships = UserGroupService.FindMembershipsByUser(PageRequest.All, currentUser, _activeUsergroupMembershipTypes).ToList(); List <UserGroup> userGroups = userGroupMemberships.Select(membership => membership.UserGroup).ToList(); List <PeanutParticipationType> participationTypes = PeanutParticipationTypeService.GetAll(PageRequest.All).ToList(); return(View("Create", new PeanutCreateViewModel(userGroups))); } /*Initiale Teilnehmer ermitteln.*/ IDictionary <UserGroupMembership, PeanutParticipationDto> initialParticators = new Dictionary <UserGroupMembership, PeanutParticipationDto>(); Peanut peanut = PeanutService.Create(peanutCreateCommand.UserGroup, peanutCreateCommand.PeanutDto, peanutCreateCommand.Requirements.Values.ToList(), initialParticators, currentUser); return(RedirectToAction("Show", new { peanut = peanut.BusinessId })); }