protected virtual async void ListUpdatedHandler(MessageBase <IList <TDomain> > messageBase)
{
// Might need to add new threads and main thread requests.
IsLoading = true;
var objects = await Resolver.Resolve <IListBusiness <TId, TDomain> >().GetAllAsync().ConfigureAwait(false);
var deleteIds = 0;
try
{
deleteIds = Observables.Select(x => x.Id).Except(objects.Select(x => x.Id)).Count();
}
catch (Exception)
{
}
var count = objects.Count + deleteIds;
VerifyAndResetCountdown(count);
var dispatcher = Resolver.Resolve <IExMainThreadDispatcher>();
foreach (var observable in Observables.Reverse())
{
TObservable tmpObservable = observable;
dispatcher.InvokeOnMainThread(() =>
{
Observables.Remove(tmpObservable);
SignalCde();
});
}
foreach (var domainObject in objects)
{
if (ObservablesContainsId(domainObject.Id))
{
var observable = Observables.First(x => x.Id.Equals(domainObject.Id));
DomainObservableMapper.UpdateDestination(domainObject, observable);
SignalCde();
}
else
{
var observable = DomainObservableMapper.Map(domainObject);
dispatcher.InvokeOnMainThread(() =>
{
Observables.InsertItem(observable);
SignalCde();
});
}
}
if (SelectedObservable.IsTransient() && Observables.Any())
{
ObservableSelectedMapper.UpdateDestination(Observables.First(), SelectedObservable);
}
IsLoading = false;
}