public JsonResult CraftPlaylist(string AccessToken, string NameString)
{
List <string> NameList = NameString.Trim().Trim(',').Split(',').ToList();
double TotalDancability = 0.0;
int DancabilityCount = 0;
double TotalEnergy = 0.0;
int EnergyCount = 0;
double TotalSpeechiness = 0.0;
int SpeechinessCount = 0;
SortedDictionary <string, int> Genres = new SortedDictionary <string, int>();
List <string> ArtistIds = new List <string>();
foreach (string name in NameList)
{
UserPlaylists playlists = APICalls.GetUsersPlaylists(AccessToken, name, 10);
List <string> TrackIds = new List <string>();
Random rand = new Random();
playlists.Playlists = playlists.Playlists.OrderBy(x => rand.Next()).Take(3).ToList();
foreach (Item pl in playlists.Playlists)
{
PlaylistTracks tracks = APICalls.GetPlaylistTracks(AccessToken, name, pl.id);
if (tracks.Songs != null)
{
foreach (PlaylistItem pli in tracks.Songs)
{
if (pli.track.id != null)
{
TrackIds.Add(pli.track.id);
}
if (pli.track.artists[0].id != null)
{
if (!ArtistIds.Contains(pli.track.artists[0].id))
{
ArtistIds.Add(pli.track.artists[0].id);
}
}
}
}
}
for (int i = 0; i <= ArtistIds.Count / 20; i++)
{
ArtistList artists = APICalls.GetArtistList(AccessToken, ArtistIds.Take(20).ToList());
if (artists.artists == null || artists.artists.Count == 0)
{
break;
}
foreach (FullArtist fa in artists.artists)
{
foreach (object o in fa.genres)
{
if (Genres.ContainsKey(o.ToString()))
{
Genres[o.ToString()]++;
}
else
{
Genres.Add(o.ToString(), 1);
}
}
}
try
{
for (int z = 1; z <= 20; z++)
{
ArtistIds.RemoveAt(0);
}
}
catch (Exception e)
{
}
}
MultipleSongFeatures features = APICalls.GetMultipleSongFeatures(AccessToken, TrackIds);
foreach (AudioFeature af in features.features)
{
TotalDancability += af.danceability;
DancabilityCount++;
TotalEnergy += af.energy;
EnergyCount++;
TotalSpeechiness += af.speechiness;
SpeechinessCount++;
}
}
var sortedDict = Genres.OrderByDescending(x => x.Value).Take(5).ToDictionary(x => x.Key, x => x.Value);
string GenreString = "";
foreach (KeyValuePair <string, int> o in sortedDict)
{
GenreString += o.Key + ",";
}
GenreString = GenreString.Trim(',');
double AvgDancability = TotalDancability / DancabilityCount;
double AvgEnergy = TotalEnergy / EnergyCount;
double AvgSpeechiness = TotalSpeechiness / SpeechinessCount;
TracksBasedOnSeed SeededTracks = APICalls.GetPlaylistTracksByVariable(AccessToken, 40, AvgDancability, AvgEnergy, AvgSpeechiness, GenreString);
return(Json(new { Tracks = SeededTracks, AvgDancability = AvgDancability, AvgEnergy = AvgEnergy, AvgSpeechiness = AvgSpeechiness, Genres = GenreString.Replace(",", ", ") }));
}