/// <summary>
/// Lists access rights.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public Task Consume(ConsumeContext <IListAccessRights> context)
{
var accessPointFetcher = RoleBasedDataFetcher.Create(
_databaseContext.AccessPoints.GetAll,
manager => _databaseContext.AccessPoints.Filter(x => x.ManagedBy == manager));
var accessPoints = accessPointFetcher.Execute();
var accessPointIds = accessPoints.Select(x => x.AccessPointId).ToArray();
var accessRights = _databaseContext.AccessRights.Filter(x => x.AccessRules.Any(rule => accessPointIds.Contains(rule.AccessPoint.AccessPointId)));
var visitor = new ConvertAccessRightsVisitor();
accessRights.ForEach(x => x.Accept(visitor));
return(context.RespondAsync(ListCommand.AccessRightsResult(visitor.UserAccessRightsDto.ToArray(), visitor.UserGroupAccessRightsDto.ToArray())));
}