/// <summary>
/// Gets the offline red heart songs.
/// </summary>
/// <param name="maxSize">The maximum amount of returned songs.</param>
/// <param name="excludedSids">The excluded SIDs of songs.</param>
/// <returns>
/// The offline red heart songs.
/// </returns>
public async Task <Song[]> GetOfflineRedHeartSongs(int maxSize, IEnumerable <string> excludedSids)
{
var uri = ServerConnection.CreateGetPlayListUri(-3, type: ReportType.CurrentChannelChanged, sid: null, start: null, formats: null, kbps: null, playedTime: null, mode: "offline", excludedSids: excludedSids, max: maxSize);
var jsonContent = await ServerConnection.Get(uri, ServerConnection.SetSessionInfoToRequest);
return(ServerRequests.ParseGetPlayListResult(jsonContent));
}
/// <summary>
/// Send a report to server.
/// </summary>
/// <param name="type">The type of report.</param>
/// <param name="channelId">The channel ID.</param>
/// <param name="sid">The SID of current song.</param>
/// <param name="start">The start song code.</param>
/// <returns></returns>
private async Task Report(ReportType type, int channelId, string sid, string start)
{
var changeCurrentSong = !(type == ReportType.Like || type == ReportType.CancelLike);
if (changeCurrentSong)
{
CurrentSong = null;
}
var uri = ServerConnection.CreateGetPlayListUri(channelId, type: type, sid: sid, start: start, formats: null, kbps: null, playedTime: null, mode: null, excludedSids: null, max: null);
var jsonContent = await ServerConnection.Get(uri, ServerConnection.SetSessionInfoToRequest);
var newPlayList = ServerRequests.ParseGetPlayListResult(jsonContent);
if (newPlayList.Length == 0)
{
if (type != ReportType.CurrentSongEnded)
{
throw new NoAvailableSongsException();
}
if (_pendingSongs.Count == 0)
{
await Report(ReportType.PlayListEmpty, channelId, sid, start);
return;
}
}
if (channelId == AsyncExpectedChannelId)
{
if (newPlayList.Length != 0)
{
if (_pendingSongs == null)
{
_pendingSongs = new Queue <Song>();
}
_pendingSongs.Clear();
foreach (var song in newPlayList)
{
_pendingSongs.Enqueue(song);
}
}
if (changeCurrentSong)
{
CurrentSong = _pendingSongs.Dequeue();
}
}
else
{
// TODO: throw exception or not?
}
}