/// <summary>
/// Returns a list of user groups.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public Task Consume(ConsumeContext <IListUserGroups> context)
{
var fetcher = RoleBasedDataFetcher.Create(_ldapService.ListUserGroups, manager => _ldapService.FindUserGroupsByManager(manager));
var groups = fetcher.Execute();
return(context.RespondAsync(ListCommand.UserGroupsResult(groups.ToArray())));
}