private PreferencesViewModel BuildPreferencesViewModel(string userId)
{
var subscriptionPreferences = DbContext.UserPreferences.OfType <SubscriptionPreference>().Where(u => u.User.Id == userId).ToList();
var subscriptionPreferenceViewModels = from description in _reflectionService.GetSubscriptionDescriptions()
from maybeNullPreference in subscriptionPreferences.Where(sp => sp.SubscriptionName == description.Name).DefaultIfEmpty()
orderby description.Name
select new SubscriptionPreferenceViewModel()
{
Id = maybeNullPreference?.Id,
SubscriptionName = description.Name,
SubscriptionDescription = description.Description,
IsSmsRequested = maybeNullPreference?.IsSmsRequested ?? false,
IsEmailRequested = maybeNullPreference?.IsEmailRequested ?? false,
};
var viewModel = new PreferencesViewModel()
{
SubscriptionPreferences = subscriptionPreferenceViewModels.ToList()
};
return(viewModel);
}
public ActionResult Edit(PreferencesViewModel viewModel)
{
var userId = User.GetUserId();
if (!ModelState.IsValid)
{
return(PartialView("Edit", viewModel));
}
var user = DbContext.Users.Include(u => u.Preferences).First(u => u.Id == userId);
var subscriptionPreferences = user.Preferences.OfType <SubscriptionPreference>()
.Where(u => u.User.Id == userId)
.ToDictionary(p => p.Id);
foreach (var postedSubscriptionPreference in viewModel.SubscriptionPreferences)
{
SubscriptionPreference subscriptionPreference;
if (postedSubscriptionPreference.Id == null ||
!subscriptionPreferences.TryGetValue(postedSubscriptionPreference.Id.Value, out subscriptionPreference))
{
subscriptionPreference = DbContext.Set <SubscriptionPreference>().Add(new SubscriptionPreference()
{
SubscriptionName = postedSubscriptionPreference.SubscriptionName,
User = user
});
}
subscriptionPreference.IsEmailRequested = postedSubscriptionPreference.IsEmailRequested;
subscriptionPreference.IsSmsRequested = postedSubscriptionPreference.IsSmsRequested;
}
DbContext.SaveChanges();
return(Display());
}