public async Task <bool> DeleteAlbum(object sender)
{
try
{
AlbumsVMManager.DeleteAlbum(this);
_photos.ToList().ForEach(p => UnsubscribeFromPhotoEvents(p));
IsDeleted = true;
AlbumDeleted?.Invoke(this, EventArgs.Empty);
return(true);
}
catch (Exception ex)
{
await Utils.ShowContentDialog("Delete Album", ex.Message);
return(false);
}
}
public async void EditAlbum()
{
AlbumContentDialog albumDialog = new AlbumContentDialog(this);
ShowAlbumDialog:
ContentDialogResult result = await albumDialog.ShowAsync();
if (result == ContentDialogResult.Secondary)
{
// Revert changes
AlbumsVMManager.SetViewModelFromModel(this);
return;
}
if (result == ContentDialogResult.Primary)
{
try
{
AlbumsVMManager.UpdateAlbum(this);
}
catch (DuplicateObjectException)
{
await Utils.ShowContentDialog(
"Edit Album", "Name already exists. Please chose a different one.");
goto ShowAlbumDialog;
}
catch (RequiredConstraintViolationException)
{
await Utils.ShowContentDialog(
"Edit Album", "You must set another album as 'Main', before unsetting 'Main' from this one.");
goto ShowAlbumDialog;
}
catch (Exception ex)
{
await Utils.ShowContentDialog("Edit Album", ex.Message);
goto ShowAlbumDialog;
}
AlbumEdited?.Invoke(this, EventArgs.Empty);
}
}
private async void AddAlbum()
{
AlbumContentDialog albumDialog = new AlbumContentDialog();
ShowNewAlbumDialog:
ContentDialogResult result = await albumDialog.ShowAsync();
if (result == ContentDialogResult.Primary)
{
var newAlbum = albumDialog.AlbumViewModel;
if (newAlbum.HasErrors)
{
return;
}
try
{
AlbumsVMManager.AddAlbum(newAlbum);
}
catch (DuplicateObjectException)
{
await Utils.ShowContentDialog(
"Add Album", "Name already exists. Please choose a different one.");
goto ShowNewAlbumDialog;
}
catch (Exception ex)
{
await Utils.ShowContentDialog("Add Album", ex.Message);
goto ShowNewAlbumDialog;
}
_albums.Add(newAlbum);
NavigateTo(newAlbum);
}
}
