private async Task Generate(VersionGenerator generator)
{
activity = $"Generating " + generator.VersionTypeName;
max = _metadataStore.CountFilesMissingAttributeVersion(generator.VersionTypeName);
var files = _metadataStore.FilesMissingAttributeVersion(generator.VersionTypeName);
processed = 0;
foreach (var file in files)
{
try
{
Stream content = _metadataStore.GetFileStream(file.Id);
var thumbnailValue = generator.GenerateVersion(content);
await _metadataStore.AddVersion(file.Id, generator.VersionTypeName, thumbnailValue);
processed++;
}
catch (Exception ex)
{
}
}
}
private void LvPhotos_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
var thumbnail = lvPhotos.SelectedItem as Thumbnail;
if (thumbnail != null)
{
var stream = _metadataStore.GetFileStream(thumbnail.Fileid);
var image = BitmapFrame.Create(stream,
BitmapCreateOptions.PreservePixelFormat,
BitmapCacheOption.OnLoad);
imgPreview.Source = image;
border.Reset();
txtMetadata.Text = string.Join("\r\n\r\n", _metadataStore.GetMetadata(thumbnail.Fileid));
}
}