private void Watcher_Created(object sender, FileSystemEventArgs e)
{
if (!ImageExtensions.Any() || !ImageFilter(e.Name))
{
return;
}
lock (_locker)
{
if (_imagesNames.Any())
{
var prevFileName = Path.GetFileNameWithoutExtension(_imagesNames.Last());
var newFileName = Path.GetFileNameWithoutExtension(e.Name);
if (IsNumericGapDetected(prevFileName, newFileName))
{
EndOfFileEventDetected?.Invoke(_imagesNames.ToArray());
_imagesNames.Clear();
}
}
_imagesNames.Add(e.FullPath);
_timer.Stop();
_timer.Start();
}
}
public async Task <IndexResult> Index(string id, ClassificationModel existing)
{
var zipFile = await NgaDataAccess.GetHighResImageZipFile(id);
if (zipFile == null)
{
return(null);
}
byte[] imageBytes;
using (MemoryStream zipFileStream = new MemoryStream(zipFile))
using (ZipArchive archive = new ZipArchive(zipFileStream))
{
ZipArchiveEntry imgArchive = archive.Entries
.Single(x => ImageExtensions.Any(
imgExt => x.FullName.EndsWith(imgExt, StringComparison.OrdinalIgnoreCase)));
using (var memoryStream = new MemoryStream())
using (var imgStream = imgArchive.Open())
{
imgStream.CopyTo(memoryStream);
imageBytes = memoryStream.ToArray();
}
if (!imgArchive.FullName.EndsWith(".jpg", StringComparison.OrdinalIgnoreCase))
{
imageBytes = new IndexingHttpClient().ConvertToJpeg(imageBytes).Result;
}
}
var classification = new ClassificationModel
{
Source = Source,
PageId = id
};
SetMetaData(classification);
if (imageBytes == null)
{
return(null);
}
return(new IndexResult
{
Model = classification,
ImageJpeg = Image.Load <Rgba64>(imageBytes)
});
}
public static bool IsImage(this MediaFile file)
{
return(file != null && ImageExtensions.Any(s => s.Equals(file.FileExtension, StringComparison.InvariantCultureIgnoreCase)));
}