/// <summary>
/// 不再播放/跳过该曲操作
/// </summary>
/// <param name="channelID">兆赫ID号</param>
/// <param name="songID">歌曲ID号</param>
/// <param name="songPT">结束时歌曲进度，为歌曲总长度(单位：0.1秒)</param>
/// <param name="ban">操作标志，true为不再播放操作，false为跳过该曲操作</param>
private void BanOrSkip(int channelID, string songID, double songPT, bool ban)
{
GetPlaylistResult result = GetNormalPlayList(channelID, ban ? "b" : "s", songID, songPT);
if (result == null || result.R != 0)
{
System.Diagnostics.Debug.WriteLine(ban ? "标记不再播放失败！" : "跳过该曲失败！");
return;
}
else if (result.Songs.Count == 0)
{
currentSong = playList.Dequeue();
LoadMore(channelID, songID, songPT);
}
else
{
playList.Clear();
foreach (SongEntity song in result.Songs)
{
if (song.SubType != "T")
{
playList.Enqueue(song);
}
}
currentSong = playList.Dequeue();
LoadMore(channelID, songID, songPT);
}
isPlayListChanged = true;
isCurrentSongChanged = true;
}
/// <summary>
/// 自然结束
/// </summary>
/// <param name="channelID">兆赫ID号</param>
/// <param name="songID">歌曲ID号</param>
/// <param name="songPT">结束时歌曲进度，为歌曲总长度(单位：0.1秒)</param>
public void NaturalEnd(int channelID, string songID, double songPT)
{
GetPlaylistResult result = GetNormalPlayList(channelID, "e", songID, songPT);
currentSong = playList.Dequeue();
LoadMore(channelID, songID, songPT);
isPlayListChanged = true;
isCurrentSongChanged = true;
}
/// <summary>
/// 加红心/取消红心操作
/// </summary>
/// <param name="songID">歌曲ID号</param>
/// <param name="songPT">结束时歌曲进度，为歌曲总长度(单位：0.1秒)</param>
/// <param name="like">操作标志，true为加红心操作，false为取消红心操作</param>
private void LikeOrNot(string songID, double songPT, bool like)
{
GetPlaylistResult result = GetNormalPlayList(like ? "r" : "u", songID, songPT);
if (result == null || result.R != 0)
{
System.Diagnostics.Debug.WriteLine(like ? "加红心失败！" : "取消红心失败！");
return;
}
}
/// <summary>
/// 获取播放列表
/// </summary>
/// <param name="operationType">操作代码，字符串：n-新播放列表，p-加载更多，r-红心，u-取消红心，b-不再播放，s-跳过，e-自然结束</param>
/// <param name="currentsongID">歌曲ID号</param>
/// <param name="currentSongPT">加红心时歌曲进度(单位：0.1秒)</param>
/// <returns>播放列表对象，自然结束时不返回字符串，因此为null</returns>
private GetPlaylistResult GetNormalPlayList(string operationType = "n", string currentsongID = "", double currentSongPT = 0.0)
{
string getData = string.Empty;
Random random = new Random();
byte[] bytes = new byte[8];
random.NextBytes(bytes);
string r = (BitConverter.ToUInt64(bytes, 0) % 0xFFFFFFFFFF).ToString("x10");
getData = WebConnection.GetCommand(string.Format("http://douban.fm/j/mine/playlist?type={0}&sid={1}&channel=0&pt={2}&pb=64&from=mainsite&r={3}", operationType, currentsongID, currentSongPT, r));
if (string.IsNullOrEmpty(getData))
{
return(null);
}
GetPlaylistResult result = GetPlaylistResult.Json2Object(getData);
return(result);
}
/// <summary>
/// 加载更多播放列表，列表中剩余最后一首歌曲时会继续加载新的列表
/// </summary>
/// <param name="channelID">兆赫ID号</param>
/// <param name="songID">歌曲ID号</param>
/// <param name="songPT">结束时歌曲进度，为歌曲总长度(单位：0.1秒)</param>
private void LoadMore(int channelID, string songID, double songPT)
{
if (playList.Count > 1)
{
return;
}
GetPlaylistResult result = GetNormalPlayList(channelID, "p", songID, songPT);
if (result == null || result.R != 0 || result.Songs.Count == 0)
{
isPlayListLoadFailed = true;
return;
}
foreach (SongEntity song in result.Songs)
{
if (song.SubType != "T")
{
playList.Enqueue(song);
}
}
}
/// <summary>
/// 加载新的播放列表，适用于刚启动或者切换兆赫
/// </summary>
/// <param name="channelID">兆赫ID号</param>
/// <param name="songID">歌曲ID号</param>
/// <param name="SongPT">加红心时歌曲进度(单位：0.1秒)</param>
public void GetNewPlayList(int channelID, string songID = "", double SongPT = 0.0)
{
GetPlaylistResult result = GetNormalPlayList(channelID, "n", songID, SongPT);
if (result == null || result.R != 0 || result.Songs.Count == 0)
{
isPlayListLoadFailed = true;
return;
}
playList.Clear();
foreach (SongEntity song in result.Songs)
{
if (song.SubType != "T")
{
playList.Enqueue(song);
}
}
currentSong = playList.Dequeue();
LoadMore(channelID, string.Empty, 0.0);
isPlayListChanged = true;
isCurrentSongChanged = true;
}
/// <summary>
/// 加红心/取消红心操作
/// </summary>
/// <param name="channelID">兆赫ID号</param>
/// <param name="songID">歌曲ID号</param>
/// <param name="songPT">结束时歌曲进度，为歌曲总长度(单位：0.1秒)</param>
/// <param name="like">操作标志，true为加红心操作，false为取消红心操作</param>
private void LikeOrNot(int channelID, string songID, double songPT, bool like)
{
GetPlaylistResult result = GetNormalPlayList(channelID, like ? "r" : "u", songID, songPT);
if (result == null || result.R != 0)
{
System.Diagnostics.Debug.WriteLine(like ? "加红心失败！" : "取消红心失败！");
return;
}
else if (result.Songs.Count == 0)
{
return;
}
playList.Clear();
foreach (SongEntity song in result.Songs)
{
if (song.SubType != "T")
{
playList.Enqueue(song);
}
}
isPlayListChanged = true;
}