public ActionResult Relative(int id)
{
var version = Entities().VariantVersions.Find(id);
if (version == null)
{
return(HttpNotFound());
}
UserService users = GetService <UserService>();
if (!users.IsAllowedToEdit(version.Variant, User.Identity.Name))
{
return(new HttpUnauthorizedResult());
}
DefinitionService definitions = GetService <DefinitionService>();
var model = new RelativeDirectionsModel(version, definitions.CalculateGlobalDirectionDiagram(version), definitions.GetRelativeDirs(version));
return(View(model));
}