public async Task <IEnumerable <ArtistCrawlResponse> > Post([FromBody] ArtistCrawlRequest request)
{
return(await _crawler.GetAndCreateRelatedArtist(request));
}
public async Task <IEnumerable <ArtistCrawlResponse> > GetAndCreateRelatedArtist(ArtistCrawlRequest request)
{
List <ArtistCrawlResponse> songIds = new List <ArtistCrawlResponse>();
if (string.IsNullOrEmpty(_clientId) || string.IsNullOrEmpty(_secretId))
{
throw new ArgumentException("ClientId and/or ClientSecret must be provided");
}
CredentialsAuth auth = new CredentialsAuth(_clientId, _secretId);
var token = await auth.GetToken();
spotifyApi = new SpotifyWebAPI
{
AccessToken = token.AccessToken,
TokenType = token.TokenType
};
var searchRequest = await spotifyApi.SearchItemsAsync(request.ArtistName, SearchType.Artist, limit : request.ArtistSearchLimit, market : request.CountryOrigin);
var artistFromSearch = searchRequest.Artists.Items.Where(x => x.Name.Equals(request.ArtistName, StringComparison.InvariantCultureIgnoreCase)).FirstOrDefault();
var artistId = artistFromSearch.Id;
var relatedArtists = await spotifyApi.GetRelatedArtistsAsync(artistId);
foreach (var artist in relatedArtists.Artists)
{
var topTracks = await spotifyApi.GetArtistsTopTracksAsync(artist.Id, request.CountryOrigin);
var tracksToAdd = topTracks.Tracks.Take(request.TopSongsLimit);
var responseToAdd = tracksToAdd.Select(x => new ArtistCrawlResponse
{
ArtistId = artist.Id,
ArtistName = artist.Name,
SongId = x.Id,
SongName = x.Name,
Duration = x.DurationMs,
SongUri = x.Uri
});
songIds.AddRange(responseToAdd);
}
songIds = songIds.OrderBy(x => x.SongId).ToList();
return(songIds);
}
