void PullPlaylists(Item root)
{
var playLists = YoutubeProcessor.GetAllPlaylists();
var topics = root.Subtree().OfType<LectureWrap>().ToList();
var playListHandler = new Matching.MatchItemHandler<YoutubePlaylist>(
z => z.PlaylistTitle,
z => z.PlaylistTitle,
z => { }
);
var topicHandler = new Matching.MatchItemHandler<LectureWrap>(
z => z.Caption,
z => z.Caption,
z => { }
);
var updaters = new Matching.MatchUpdater<LectureWrap,YoutubePlaylist>(
(wrap,list)=>wrap.Store<YoutubePlaylist>(list),
(list, wrap)=>{},
wrap=>wrap.Store<YoutubePlaylist>(null),
list=>{}
);
Matching.MatchingAlgorithm.RunWeakAlgorithm(
topics,
playLists,
new Matching.MatchHandlers<LectureWrap, YoutubePlaylist>(topicHandler, playListHandler),
updaters);
}
void PullClips(Item root)
{
var clips = GetYoutubeClips();
if (clips == null) return;
var lectures = root.Subtree().OfType<VideoWrap>();
var clipHandler = new Matching.MatchItemHandler<YoutubeClip>(z => z.GetProperName(), z => z.Name, z => Process.Start(z.VideoURLFull));
var lectureHandler = new Matching.MatchItemHandler<VideoWrap>(z => z.Caption, z => z.Caption, z => { });
var updaters = new Matching.MatchUpdater<VideoWrap, YoutubeClip>(
(wrap, clip) => wrap.Store<YoutubeClip>(clip),
(clip, wrap) => { clip.UpdateGuid(wrap.Guid); YoutubeProcessor.UpdateVideo(clip); },
wrap => wrap.Store<YoutubeClip>(null),
clip => { clip.UpdateGuid(null); YoutubeProcessor.UpdateVideo(clip); }
);
var handlers = new Matching.MatchHandlers<VideoWrap, YoutubeClip>(lectureHandler, clipHandler);
var keys = new Matching.MatchKeySet<VideoWrap, YoutubeClip, Guid?, string>(
wrap => wrap.Guid,
wrap => { var c = wrap.Get<YoutubeClip>(); if (c != null) return c.Id; return null; },
clip => clip.GetGuid(),
clip => clip.Id,
guid => !guid.HasValue,
id => id == null
);
var allData = new Matching.MatchHandlersAndKeys<VideoWrap, YoutubeClip, Guid?, string>(handlers, keys, updaters);
Matching.MatchingAlgorithm.RunStrongAlgorithm(lectures, clips, allData);
}