public override Photo VisitPhoto(Photo photo, AnalyzerExecutionContext executionContext)
{
var tag = photo.Tag(Constants.Namespace, Constants.HashMetadataKey);
if (tag != null)
{
List<Photo> list = null;
if (_cache.ContainsKey(tag.Value))
{
list = _cache[tag.Value];
}
else
{
list = new List<Photo>();
_cache.Add(tag.Value, list);
}
list.Add(photo);
if (list.Count == 2)
{
var activity = new ResolveDuplicateActivity(list);
_currentFolderDuplicates.Add(activity);
}
}
return photo;
}
public override Photo VisitPhoto(Photo photo, AnalyzerExecutionContext executionContext)
{
if (photo.Tag(Constants.Namespace, Constants.HashMetadataKey) == null)
{
var streamFeature = Source.Feature<IPhotoStreamFeature>();
string value = null;
using (var photoStream = streamFeature.GetStream(photo))
{
value = CreateImageHash(photoStream);
}
var tag = new Tag(Constants.Namespace, Constants.HashMetadataKey, value);
photo = photo.WithTag(tag);
}
return photo;
}