/// <summary> /// Lists the delegated users. /// </summary> /// <param name="context">The context.</param> /// <returns></returns> /// <exception cref="System.NotImplementedException"></exception> public Task Consume(ConsumeContext <IListDelegatedUsers> context) { IEnumerable <string> userNames; if (!Thread.CurrentPrincipal.IsInRole(WellKnownRoles.Manager)) { userNames = Enumerable.Empty <string>(); } else { userNames = _databaseContext.DelegatedRights.Filter(x => x.Grantor == Thread.CurrentPrincipal.UserName()).Select(x => x.Grantee); } return(context.RespondAsync(ListCommand.DelegatedUsersResult(userNames.ToArray()))); }