private async void SaveCollectionBtn_Click(object sender, RoutedEventArgs e)
{
Volume.Saved = true;
Volume.Image = await APIHandler.DownloadImagesFromURL(Volume.ImageURL, CancellationToken.None);
DBAccess.SaveVolume(Volume);
DBAccess.UpdateIssues(Issues);
SaveCollectionBtn.IsEnabled = false;
DeleteCollectionBtn.IsEnabled = true;
}
private async void VolumeDetailsPage_Loaded(object sender, RoutedEventArgs e)
{
// If it comes from the database it will have a picture on it
// and disable save button
if (DBAccess.IsVolumeSaved(Volume))
{
SaveCollectionBtn.IsEnabled = false;
DeleteCollectionBtn.IsEnabled = true;
var bitmap = new BitmapImage();
var stream = new MemoryStream(DBAccess.FetchVolumePicture(Volume.Id));
bitmap.BeginInit();
bitmap.StreamSource = stream;
bitmap.EndInit();
VolumeImage.Source = bitmap;
var tempIssues = DBAccess.FetchIssues(Volume.Id);
// If the observable collection returned by FetchIssues is assigned to Issues
// the view won't update. The issues have to be added to the same collection
// that's already binded
foreach (var issue in tempIssues)
{
Issues.Add(issue);
}
}
// If volume didn't come from database show image url
// and enable save button
else
{
SaveCollectionBtn.IsEnabled = true;
DeleteCollectionBtn.IsEnabled = false;
VolumeImage.Source = new BitmapImage(new Uri(Volume.ImageURL, UriKind.Absolute));
var tempIssues = await APIHandler.GetIssuesAsync(Volume.Id);
// If the observable collection returned by FetchIssues is assigned to Issues
// the view won't update. The issues have to be added to the same collection
// that's already binded
foreach (var issue in tempIssues)
{
Issues.Add(issue);
}
foreach (var issue in Issues)
{
issue.Image = await APIHandler.DownloadImagesFromURL(issue.ImageURL, tokenSource.Token).ConfigureAwait(false);
}
}
}
