private static bool InternalGenerateThumbnail(ImageViewModel target, DataOperationUnit dataOpUnit)
{
lock (target)
{
//暗号化している場合は無視する
if (!Configuration.ApplicationConfiguration.LibraryIsEncrypted && !File.Exists(target.AbsoluteMasterPath))
{
throw new FileNotFoundException(target.AbsoluteMasterPath);
}
var thumbnail = new ThumbnailViewModel();
thumbnail.ID = target.ID;
thumbnail.ImageID = target.ID;
var encryptImage = EncryptImageFacade.FindBy(target.ID);
if (encryptImage != null)
{
//暗号化実施時はサムネイル画像を出力しない
s_logger.Info($"Sunctum will not output a thumbnail image because it is in encrypted. {target.ID}");
}
else
{
try
{
thumbnail.RelativeMasterPath = ThumbnailGenerator.SaveThumbnail(target.AbsoluteMasterPath, target.ID.ToString("N") + System.IO.Path.GetExtension(target.AbsoluteMasterPath));
}
catch (Exception e)
{
s_logger.Warn(e);
return(false);
}
s_logger.Debug($"Generate thumbnail ImageID={target.ID}");
}
Task.Factory.StartNew(() => RecordThumbnail(thumbnail));
//Apply thumbnail
target.Thumbnail = thumbnail;
return(true);
}
}