public static QuestionListViewModel Create(IRepository repository, Survey survey)
{
Check.Require(repository != null, "Repository must be supplied");
Check.Require(survey != null);
var viewModel = new QuestionListViewModel { Survey = survey };
viewModel.Questions = viewModel.Survey.Questions.Where(a => a.Category.IsCurrentVersion).OrderBy(a => a.Order);
return viewModel;
}