public async Task <ActionResult <SearchItem> > GeneratePlaylist(string keyword = "")
{
//must be a user access token
var accessToken = ""; //await GetAccessToken();
SpotifyWebAPI api = new SpotifyWebAPI
{
AccessToken = accessToken,
TokenType = "Bearer"
};
var randomOffset = random.Next(0, 1000);
var randomSearch = keyword == "" ? GetRandomSearch() : keyword;
TuneableTrack tar = new TuneableTrack
{
Popularity = random.NextDouble() >= 0.5 ? 80 : 100
};
var genre = GetGenreSeed(keyword);
Recommendations rec = api.GetRecommendations(genreSeed: genre, target: tar, market: random.NextDouble() >= 0.5 ? "GB" : "US");
var newPlaylist = api.CreatePlaylist("rsacr1m9ge9ur5tdceead2ziy", "Wholeschool Playlist " + _nameGenerator.Generate(), true, false, $"Auto generated playlist for {keyword} on {DateTime.Now.ToShortDateString()}");
ErrorResponse response = api.ReplacePlaylistTracks(newPlaylist.Id, rec.Tracks.Select(s => s.Uri).ToList());
if (!response.HasError())
{
Console.WriteLine("success");
}
return(Ok(new { newPlaylist.Name, newPlaylist.Uri, newPlaylist.Href, newPlaylist.Id }));
}
public string GetRecommendations(List <string> artistSeed = null, List <string> genreSeed = null,
TuneableTrack target = null, TuneableTrack min = null, TuneableTrack max = null, int limit = 20, string market = "")
{
limit = Math.Min(100, limit);
StringBuilder builder = new StringBuilder($"{spotifyAPIBase}/recommendations");
builder.Append("?limit=" + limit);
if (artistSeed?.Count > 0)
{
builder.Append("&seed_artists=" + string.Join(",", artistSeed));
}
if (genreSeed?.Count > 0)
{
builder.Append("&seed_genres=" + string.Join(",", genreSeed));
}
if (target != null)
{
builder.Append(target.BuildUrl("target"));
}
if (min != null)
{
builder.Append(min.BuildUrl("min"));
}
if (max != null)
{
builder.Append(max.BuildUrl("max"));
}
if (!string.IsNullOrEmpty(market))
{
builder.Append("&market=" + market);
}
return(builder.ToString());
}
public JObject GetRecommendations(List <string> artistSeed = null, List <string> genreSeed = null,
TuneableTrack target = null, TuneableTrack min = null, TuneableTrack max = null, int limit = 2, string market = "")
{
var token = GetToken();
if (token == null || string.IsNullOrEmpty(token))
{
throw new InvalidOperationException("Invalid or missing access token!");
}
return(_client.GetData(_urlBuilder.GetRecommendations(artistSeed, genreSeed, target, min, max, limit, market), token));
}
public SeveralTracks GetRecommendations(
List <string> genres = null,
List <string> artists = null,
List <string> tracks = null,
TuneableTrack targetTrack = null)
{
var recommendations = _webApi.GetRecommendations(
artistSeed: artists,
genreSeed: genres,
trackSeed: tracks,
target: targetTrack,
limit: 25,
market: "SE");
var trackIdList = recommendations.Tracks.Select(t => t.Id).ToList();
return(_webApi.GetSeveralTracks(trackIdList));
}
// Gets recommendations from spotify.
private Recommendations GenerateRecommendations()
{
List <string> genreSeed = new List <string>
{
"rock",
"pop"
};
TuneableTrack minValues = new TuneableTrack
{
Popularity = 70
};
TuneableTrack maxValues = new TuneableTrack
{
Popularity = 100
};
return(SpotifyHelper.Instance.Api.GetRecommendations(genreSeed: genreSeed, limit: 1, market: "SE", min: minValues, max: maxValues));
}
/// <summary>
/// Set Parameter
/// </summary>
/// <param name="parameters">Parameters</param>
/// <param name="prefix">Prefix</param>
/// <param name="tuneableTrack">Tuneable Track Object</param>
public static void SetParameter(
this TuneableTrack tuneableTrack,
Dictionary <string, string> parameters,
string prefix)
{
if (tuneableTrack != null)
{
foreach (PropertyInfo info in typeof(TuneableTrack).GetProperties())
{
if (info.CanRead)
{
object value = info.GetValue(tuneableTrack, null);
if (value != null)
{
parameters.Add($"{prefix}_{info.GetDescription()}",
value.ToString());
}
}
}
}
}
public ActionResult Tracks(FormModel model)
{
var spotifyApi = new SpotifyIntegration.SpotifyIntegration();
var tracksModel = new TracksModel();
if (model.Name != null && model.Name.ToLower() == "tom araya")
{
tracksModel.TrackList = spotifyApi.GetSingleTrack("4Yx9Tw9dTgQ8eGCq3PRDyn");
}
else
{
var targetTrack = new TuneableTrack()
{
Valence = model.Valence / 100,
Danceability = model.FeelLikeDancing / 100,
};
if (model.SelectedGenres.Length + model.SelectedArtists.Length + model.SelectedTracks.Length > 5)
{
model.Genres = FormModelListItemHelper.GetGenres();
model.Tracks = FormModelListItemHelper.GetTracks();
model.Artists = FormModelListItemHelper.GetArtists();
model.ErrorMessage =
"Whoops, according to Spotify you can only select a total of 5 tracks, genres and artists for recommendations. Deselect a few and try again and sorry for the inconvenience.";
return(View("~/Views/Genre/Genre.cshtml", model)); //RedirectToRoute("Genre", model);
}
tracksModel.TrackList = spotifyApi.GetRecommendations(
artists: model.SelectedArtists.ToList(),
tracks: model.SelectedTracks.ToList(),
genres: model.SelectedGenres.ToList(),
targetTrack: targetTrack);
}
return(View(tracksModel));
}
