/// <summary>
/// Encode this item into a valid SoundByte protocol item
/// </summary>
public static string EncodeTrackProtocolItem(TrackProtocolItem protocolItem, bool includeFullUri)
{
// We will add all paramters to this list
var parameters = new Dictionary <string, string>();
// Track
if (protocolItem.Track?.Track != null)
{
parameters.Add("t", $"{(int)protocolItem.Track.Track.ServiceType}:{protocolItem.Track.Track.TrackId}");
}
// Track duration
if (protocolItem.TrackPosition != null)
{
parameters.Add("tp", protocolItem.TrackPosition.Value.Seconds.ToString());
}
// Source and Source details
if (protocolItem.Source != null)
{
parameters.Add("s", protocolItem.Source.GetType().Name);
parameters.Add("sd", string.Join(',', protocolItem.Source.GetParameters().Select(x => $"{x.Key}:{x.Value}")));
}
// Playlist token
if (!string.IsNullOrEmpty(protocolItem.PlaylistToken))
{
parameters.Add("pt", protocolItem.PlaylistToken);
}
// Playlist
if (protocolItem.Playlist != null && protocolItem.Playlist.Any())
{
// If we don't have a token, we do not need to send the tracks
// unless this is a dummy source. This is because our source can
// load the first set of items.
if (!string.IsNullOrEmpty(protocolItem.PlaylistToken) &&
protocolItem.Source?.GetType() != typeof(DummyTrackSource))
{
parameters.Add("p", string.Join(',', protocolItem.Playlist.Select(x => $"{(int)x.Track.ServiceType}:{x.Track.TrackId}")));
}
}
// Is shuffled
if (protocolItem.IsShuffled)
{
parameters.Add("is", "t");
}
// Join all the data
var contentUri = parameters
.Where(param => !string.IsNullOrEmpty(param.Key) && !string.IsNullOrEmpty(param.Value))
.Aggregate(string.Empty, (current, param) => current + "&" + param.Key + "=" + param.Value);
return(includeFullUri
? $"sb://track?d={Uri.EscapeDataString(StringHelpers.CompressString(contentUri.TrimStart('&')))}"
: $"{Uri.EscapeDataString(StringHelpers.CompressString(contentUri.TrimStart('&')))}");
}
public static async Task HandleTrackProtocolAsync(TrackProtocolItem protocolData)
{
// If no source was supplied, use the dummy source
if (protocolData.Source == null)
{
protocolData.Source = new DummyTrackSource();
}
// Try init the playlist
var initPlaylist = await SimpleIoc.Default.GetInstance <IPlaybackService>().InitializePlaylistAsync(protocolData.Source, protocolData.Playlist, protocolData.PlaylistToken);
if (initPlaylist.Success == false)
{
throw new SoundByteException("Could not start playlist", initPlaylist.Message);
}
await SimpleIoc.Default.GetInstance <IPlaybackService>().StartTrackAsync(protocolData.Track?.Track, protocolData.TrackPosition);
}
public static async Task <TrackProtocolItem> DecodeTrackProtocolItemAsync(string compressedData)
{
// Get the raw data string
var data = StringHelpers.DecompressString(Uri.UnescapeDataString(compressedData));
var returnItem = new TrackProtocolItem();
// Get from url
var paramCollection = data.Split('&');
// Get the raw data
var rawTrack = GetParameterString(paramCollection, "t");
var rawTrackPos = GetParameterString(paramCollection, "tp");
var rawSource = GetParameterString(paramCollection, "s");
var rawSourceData = GetParameterString(paramCollection, "sd");
var rawPlaylistToken = GetParameterString(paramCollection, "pt");
var rawPlaylist = GetParameterString(paramCollection, "p");
var rawShuffled = GetParameterString(paramCollection, "is");
// Add Track
if (!string.IsNullOrEmpty(rawTrack))
{
var trackService = int.Parse(rawTrack.Split(':')[0]);
var trackId = rawTrack.Split(':')[1];
var track = await BaseTrack.GetTrackAsync(trackService, trackId);
returnItem.Track = track;
}
// Add track position
if (!string.IsNullOrEmpty(rawTrackPos))
{
returnItem.TrackPosition = TimeSpan.FromSeconds(int.Parse(rawTrackPos));
}
// Add source
if (!string.IsNullOrEmpty(rawSource))
{
if (string.IsNullOrEmpty(rawSourceData))
{
returnItem.Source = App.SourceManager.GetTrackSource(rawSource);
}
else
{
var sourceData = rawSourceData.Split(',').ToDictionary(x => x.Split(':')[0], x => (object)x.Split(':')[1]);
returnItem.Source = App.SourceManager.GetTrackSource(rawSource, sourceData);
}
}
// Add Playlist token
if (!string.IsNullOrEmpty(rawPlaylistToken))
{
returnItem.PlaylistToken = rawPlaylistToken;
}
// Add playlist items
if (!string.IsNullOrEmpty(rawPlaylist))
{
var unsortedPlaylistItems = new List <Tuple <int, string> >();
// Get the data and parse it
foreach (var trackPair in rawPlaylist.Split(','))
{
var trackService = int.Parse(trackPair.Split(':')[0]);
var trackId = trackPair.Split(':')[1];
unsortedPlaylistItems.Add(new Tuple <int, string>(trackService, trackId));
}
// Sort into wanted groups
var soundCloudIds = string.Join(',', unsortedPlaylistItems.Where(x => x.Item1 == ServiceTypes.SoundCloud || x.Item1 == ServiceTypes.SoundCloudV2).Select(x => x.Item2));
var youTubeIds = string.Join(',', unsortedPlaylistItems.Where(x => x.Item1 == ServiceTypes.YouTube).Select(x => x.Item2));
// Temp list of tracks to shove all information into
var tempTracks = new List <BaseSoundByteItem>();
// SoundCloud
if (!string.IsNullOrEmpty(soundCloudIds))
{
tempTracks.AddRange(await BaseTrack.GetTracksAsync(ServiceTypes.SoundCloud, soundCloudIds));
}
// YouTube
if (!string.IsNullOrEmpty(youTubeIds))
{
tempTracks.AddRange(await BaseTrack.GetTracksAsync(ServiceTypes.YouTube, youTubeIds));
}
// Add this list of tracks into the return object
var rawSortedIds = unsortedPlaylistItems.Select(x => x.Item2).ToList();
returnItem.Playlist = tempTracks.OrderBy(x => rawSortedIds.IndexOf(x.Track.TrackId));
}
// Shuffle
if (!string.IsNullOrEmpty(rawShuffled))
{
returnItem.IsShuffled = rawShuffled == "t";
}
return(returnItem);
}
