public async Task <string> StartPartyWithSeedSongsAsync(List <string> seedTrackUris, PartyGoer host)
{
Party newParty = new Party(host);
List <Song> playlistSongs = await _spotifyHttpClient.GetRecommendedSongsAsync(host.Id, seedTrackUris, 0);
newParty.Playlist = new Playlist(playlistSongs, newParty.Listeners, newParty.PartyCode);
_partyRepository.CreateParty(newParty);
await newParty.Playlist.StartAsync();
return(newParty.PartyCode);
}
private async Task<List<Track>> GenerateNewPlaylist(Party party)
{
if (party.Playlist.History.Count > 0)
{
return await _spotifyHttpClient.GetRecommendedSongsAsync(party.Listeners.ElementAt(0).Id, party.Playlist.History.ToList().GetRandomNItems(5).Select(p => p.Uri).ToList(), 0);
}
else
{
List<Track> songs = new List<Track>();
foreach (PartyGoer listener in party.Listeners)
{
songs.AddRange(await _partyGoerService.GetRecommendedSongsAsync(listener.Id, 2));
}
return await _spotifyHttpClient.GetRecommendedSongsAsync(party.Listeners.ElementAt(0).Id, songs.GetRandomNItems(5).Select(p => p.Uri).ToList(), 0);
}
}
public async Task HandleAsync(PlaylistEnded args)
{
await _logService.LogAppActivityAsync($"Playlist has ended for party with code {args.PartyCode}. Sending to all listeners");
Party party = await _partyService.GetPartyWithCodeAsync(args.PartyCode);
if (party.Listeners.Count < 1)
{
await party.DeletePlaylistAsync();
await _partyService.EndPartyAsync(args.PartyCode);
return;
}
List <Song> songs = new List <Song>();
foreach (PartyGoer listener in party.Listeners)
{
songs.AddRange(await _partyGoerService.GetRecommendedSongsAsync(listener.Id, 5));
}
List <Song> playlistSongs = await _spotifyHttpClient.GetRecommendedSongsAsync(party.Listeners.ElementAt(0).Id, songs.GetRandomNItems(5).Select(p => p.TrackUri).ToList(), 0);
// If there is atleast 1 person still in the party, regenerate the playlist
party.Playlist = new Playlist(playlistSongs, party.Listeners, party.PartyCode, party.Playlist.History);
await party.Playlist.StartAsync();
await _partyHubContext.Clients.Group(args.PartyCode).SendAsync("UpdatePartyView",
new
{
Song = party.Playlist.CurrentSong,
Position = party.Playlist.CurrentPositionInSong()
},
party.Playlist.History,
party.Playlist.Queue
);
}