/// <summary>
/// Searches Spotify for tracks
/// </summary>
/// <param name="channel">Channel in which to send to</param>
/// <param name="url">Spotify URL</param>
/// <returns><see cref="List{T}"/> of tracks (track name + artists' name) or null if not found</returns>
public async Task <List <string> > SearchSpotify(ISocketMessageChannel channel, string url)
{
Regex r = new Regex(@"https?:\/\/(?:open\.spotify\.com)\/(?<type>\w+)\/(?<id>[\w-]{22})(?:\?si=(?:[\w-]{22}))?");
if (!r.Match(url).Success)
{
var msg = await embedHelper.BuildMessageEmbed("Invalid Spotify link.");
await channel.SendAndRemove(embed : msg, timeout : 5000);
return(null);
}
string type = r.Match(url).Groups["type"].Value;
string id = r.Match(url).Groups["id"].Value;
List <string> tracks = new List <string>();
switch (type)
{
case "album":
await foreach (var item in Spotify.Paginate((await Spotify.Albums.Get(id)).Tracks))
{
tracks.Add($"{item.Name} {string.Join(" ", item.Artists.Select(x => x.Name))}");
}
break;
case "playlist":
var playlist = await Spotify.Playlists.Get(id);
await foreach (var item in Spotify.Paginate(playlist.Tracks))
{
if (item.Track is FullTrack track)
{
tracks.Add($"{track.Name} {string.Join(" ", track.Artists.Select(x => x.Name))}");
}
}
break;
case "track":
var trackItem = await Spotify.Tracks.Get(id);
tracks.Add($"{trackItem.Name} {string.Join(" ", trackItem.Artists.Select(x => x.Name))}");
break;
default:
var msg = await embedHelper.BuildMessageEmbed("Must be a `track`, `playlist`, or `album`.");
await channel.SendAndRemove(embed : msg, timeout : 6000);
return(null);
}
return(tracks);
}