private async void DeleteMainCat(MainCatViewModel list)
{
try
{
await _service.DeleteMainCatAsync(list.Id);
MainCats.Remove(SelectedMainCat);
SelectedMainCat = null;
}
catch (Exception ex) when(ex is NetworkException || ex is HttpRequestException)
{
OnMessageApplication($"Unexpected error occured! ({ex.Message})");
}
}
private async void LoadSubCatsAsync(MainCatViewModel maincat)
{
if (maincat is null)
{
SubCats = null; // itt lehet productot is nullolni kéne
return;
}
try
{
SelectedMainCatName = maincat.Name;
SubCats = new ObservableCollection <SubCatViewModel>((await _service.LoadSubCatsAsync(maincat.Id))
.Select(item => (SubCatViewModel)item));
}
catch (Exception ex) when(ex is NetworkException || ex is HttpRequestException)
{
OnMessageApplication($"Unexpected error occured! ({ex.Message})");
}
}
private async void AddMainCat()
{
var newList = new MainCatViewModel
{
Name = "New MainCat"
};
var listDto = (MainCatDto)newList;
try
{
await _service.CreateMainCatAsync(listDto);
newList.Id = listDto.Id;
MainCats.Add(newList);
SelectedMainCat = newList;
}
catch (Exception ex) when(ex is NetworkException || ex is HttpRequestException)
{
OnMessageApplication($"Unexpected error occured! ({ex.Message})");
}
}