public async Task RemoveSelectedSnapshots()
{
if (SelectedThumbnails.Count == 0)
{
await _dialogService.ShowAsync("Please select at least one snapshot.");
return;
}
var response = await _dialogService.ShowConfirmationAsync("Do you really want to remove the selected snapshots?");
if (response == ConfirmationAnswer.Cancel)
{
return;
}
IsBusy = true;
var selectedThumbnails = SelectedThumbnails.ToList();
foreach (var selThumb in selectedThumbnails)
{
var removedSnapshot = await _locationSnapshotDataService.RemoveSnapshotAsync(selThumb.Snapshot.Id);
await _pictureService.RemoveSnapshotContentAsync(removedSnapshot);
SnapshotThumbnails.Remove(SnapshotThumbnails.First(_ => _.Snapshot.Id == removedSnapshot.Id));
}
;
SetDefaultView();
IsBusy = false;
}
public async Task OnLoaded()
{
IsBusy = true;
var navParam = (SnapshotsViewNavParams)NavigationParam;
_groupByCriteria = navParam.GroupByCriteria;
var payload = navParam.SnapshotsIdsource;
Parent = payload;
IEnumerable <LocationSnapshot> snapshots = null;
RaisePropertyChanged(nameof(CanAddSnapshot));
if (payload is Location location)
{
snapshots = await _locationSnapshotDataService.GetSnapshotsByLocationIdAsync(location.Id);
}
else if (payload is SnapshotGroup group)
{
snapshots = await _locationSnapshotDataService.GetSnapshotsByIdsAsync(group.SnapshotIds);
}
var miniatures = await _pictureService.GetSnapshotMiniaturesAsync(snapshots);
foreach (var miniature in miniatures)
{
var thumbnail = await _bitmapConverter.GetBitmapAsync(miniature.Data);
SnapshotThumbnails.Add(new SnapshotThumbnail {
Snapshot = miniature.Snapshot, Thumbnail = thumbnail
});
}
IsBusy = false;
}
