searchForTrackFromResult method

Implementation

@override
Future<List<SpotifyResult>> searchForTrackFromResult(
  Result result, [
  int itemCount = 5,
  int durationDelta = 15,
  double commonArtistThreshold = 0.5,
  bool albumMatchRequired = false,
]) async {
  var searchQuery = await constructSearchQuery(result);
  var results = await searchForTrack(searchQuery, itemCount);

  var filteredResults = <SpotifyResult>[];

  for (var spotifyResult in results) {
    // Filter out results with more than durationDelta seconds difference.
    if ((spotifyResult.sDuration - result.sDuration).abs() >= durationDelta) {
      continue;
    }

    // Filter out results with less than commonArtistThreshold common artists.
    var resultArtists = result.artists.map((artist) => artist.toLowerCase());
    var spotifyArtists = spotifyResult.artists.map((sArtist) => sArtist.toLowerCase());
    var commonArtists = resultArtists.where((artist) => spotifyArtists.contains(artist));

    if (commonArtists.length < (resultArtists.length * commonArtistThreshold).round()) {
      continue;
    }

    // Album Match depending on input parameters.
    if (spotifyResult.album.toLowerCase() != result.album!.toLowerCase() && albumMatchRequired) {
      continue;
    }

    // If a result passes all filters, add to filtered results.
    filteredResults.add(spotifyResult);
  }

  return filteredResults;
}