private async void OnMoreItemsReady(PhotoBatchResult sender, PhotoBatchResult.EventArgs args)
{
var newPhotos = MergePhotos(args.Items);
if (newPhotos.Count > 0)
{
PhotosAdded(this, newPhotos);
await ShowProgressMessageAsync(Strings.GetProgressIndicatorSearchingPhotosResult(newPhotos.Count));
}
}
public Task LoadPersonalPhotosAsync() => Task.Run(async() =>
{
var progressId = ShowProgress(Strings.ProgressIndicator_GettingPhotos);
IsSearchButtonEnabled = false;
try
{
if (PhotosBatchResult != null)
{
PhotosBatchResult.Cancel = true;
PhotosBatchResult.MoreItemsReady -= OnMoreItemsReady;
}
var dates = GetDates();
PhotosBatchResult = await App.Model.Photos.GetUsersAsync(User).ConfigureAwait(false);
PhotosBatchResult.MoreItemsReady += OnMoreItemsReady;
var newPhotos = MergePhotos(PhotosBatchResult.Items);
if (newPhotos.Count > 0)
{
PhotosAdded(this, newPhotos);
}
HideProgress(progressId, Strings.GetProgressIndicatorSearchingPhotosResult(newPhotos.Count));
}
catch (VkRequestException authorizationFailed) when(authorizationFailed.ErrorCode == 5)
{
AuthorizationFailed(this, EventArgs.Empty);
HideProgress(progressId, Strings.ProgressIndicator_SearchingPhotosResult_Error);
}
catch (Exception exception)
{
App.Diagnostics.Error.Log("MapContext.LoadPersonalPhotosAsync", exception);
HideProgress(progressId, Strings.ProgressIndicator_SearchingPhotosResult_Error);
}
finally
{
IsSearchButtonEnabled = true;
}
});
