public void Edit(CustomFieldModel viewModel, EducationSecurityPrincipal user)
{
if (viewModel == null)
{
throw new ArgumentNullException("viewModel");
}
if (user == null)
{
throw new ArgumentNullException("user");
}
var model = CustomFieldRepository.Items.Include(c => c.Categories).SingleOrDefault(c => c.Id == viewModel.Id);
if (model == null)
{
throw new EntityNotFoundException("The requested custom field could not be found");
}
if (CustomFieldValueRepository.Items.Any(v => v.CustomFieldId == viewModel.Id) && model.CustomFieldTypeId != viewModel.SelectedFieldTypeId)
{
throw new ValidationException(new ValidationResult("Cannot edit field type because data values have already been loaded", new[] { "SelectedFieldTypeId" }), null, viewModel);
}
viewModel.CopyTo(model);
model.LastModifyingUser = user.Identity.User;
model.LastModifyTime = DateTime.Now;
model.Categories = CustomFieldCategoryRepository.Items.Where(c => viewModel.SelectedCategories.Contains(c.Id)).ToList();
CustomFieldRepository.Update(model);
RepositoryContainer.Save();
}