public void Neo4JTestCreateAndLinkToLocalNoArtistNoAlbumNoTrack()
{
//for a non-collection album
//match(a:Album)-[r: PART_OF]-(b)-[r1: RELEASED_ON_MEDIUM]-(m:Cd)<-[*..3]-(ac:ArtistCredit) where a.name=~"(?i)10CC" and ac.name=~"(?i)10CC"
//with a, m, ac limit 1 match(m)<-[p: APPEARS_ON]-(t:Track) where t.name=~"(?i)DONNA"
//MERGE(t)-[lr: HAVE_LOCAL]-(l:localTrack {name:'c:\\my path\\donna.mp3'})
MusicBrainzAdapter musicBrainzAdapter = new MusicBrainzAdapter(_client);
musicBrainzAdapter.LinkToExisting(new FileAnalysed[]
{
new FileAnalysed
{
Artist = "My New Artist1",
Album = "My New Album1",
FilePath = @"mycollection\folderpath\myfilepath.mp3",
Title = "My New Song1"
}
});
}
public ArtistQueryResponse Find(string key)
{
// our return class that will be serialized to json
ArtistQueryResponse item = new ArtistQueryResponse();
if (_mbAdapter == null)
{
_mbAdapter = new MusicBrainzAdapter(this._settings.MusicBrainzEndpointURL);
}
if (_caaAdapter == null)
{
_caaAdapter = new CoverArtArchiveAdapter(this._settings.CoverArtArchiveEndpointURL);
}
if (_wikiAdapter == null)
{
_wikiAdapter = new WikipediaAdapter(this._settings.WikipediaEndpointURL);
}
// by using Nito library, exceptions arent swallowed as aggregateexception. We handle it straight away instead.
var result = AsyncContext.Run(() => _mbAdapter.LookupAsync(key));
// populate some metadata returned from MB
item.mbid = (Guid)result.SelectToken("id");
item.country = (String)result.SelectToken("country");
item.type = (String)result.SelectToken("type");
item.name = (String)result.SelectToken("name");
// Get wiki stub name, so we can fetch description
var wikiRelation = result.SelectTokens("relations[*]").Where(s => String.Equals((string)s["type"], "wikipedia", StringComparison.CurrentCultureIgnoreCase)).FirstOrDefault();
if (wikiRelation != null)
{
var stubName = (string)wikiRelation.SelectToken("url.resource");
item.description = AsyncContext.Run(() => _wikiAdapter.GetDescriptionAsync(HelpUtils.GetWikipediaArticleStub(stubName)));
}
// grab albums from MusicBrainz to lookup against CoverArtArchive
var albums = result.SelectTokens("release-groups[*]").Where(s => String.Equals((string)s["primary-type"], "Album", StringComparison.CurrentCultureIgnoreCase))
.Select(a => new
{
id = (Guid)a["id"],
title = (string)a["title"]
});
// put it in a dictionay for near O(1) performance when iterating below.
Dictionary <Guid, string> dictAlbums = albums.ToDictionary(k => k.id, e => e.title);
// Query CoverArtArchive for covers
var covers = AsyncContext.Run(() => Task.WhenAll(dictAlbums.Select(a => _caaAdapter.GetCoverArtURLAsync(a.Key))));
foreach (var f in covers)
{
item.albums.Add(new Album
{
id = f.Item1,
title = dictAlbums[f.Item1],
image = f.Item2,
thumblarge = f.Item3,
thumbsmall = f.Item4
});
}
return(item);
}
