public async Task <int> PlaySequenceNumber(string deviceKey, PlaylistPosition position)
{
var dr = GetDeviceRuntime(deviceKey);
if (dr != null)
{
//var pli = GetPlaylistItemAtSequence(dr, sequenceNumber);
var pli = GetPlaylistItemAtSequence(dr, position);
if (pli != null)
{
var pc = new PlayerCommand
{
Command = PlayerCommands.Play, //.ClearThenPlay,
Volume = dr.Status.Volume < 0.05f ? 0.3f : dr.Status.Volume,
DeviceKey = deviceKey,
StreamUrl = $"player/stream/{pli.MusicFileId}"
};
//dr.CurrentPlaylistSequenceNumber = pli.Sequence;
dr.CurrentPosition.Set(position);
return(await ExecuteCommand(dr, pc));
}
else
{
log.Warning($"Device {dr.DisplayName} no playlist item at sequence {position}");
dr.CommandSequenceNumber = (dr.CommandSequenceNumber + 1) % 1024;
}
}
return(dr.CommandSequenceNumber);// 0;
}
private PlaylistItemRuntime GetPlaylistItemAtSequence(DeviceRuntime dr, PlaylistPosition position)
{
//var pli = dr.Playlist.Items.SingleOrDefault(x => x.Sequence == index);
var pli = dr.Playlist.Items.SingleOrDefault(x => x.Sequence == position.Major);
if (pli != null && pli.Type == PlaylistRuntimeItemType.MultipleItems)
{
if (position.Minor == 0)
{
log.Error($"Cannot request a position with Minor == 0 when the playlist item is of type PlaylistRuntimeItemType.MultipleItems");
return(null);
}
else
{
pli = pli.SubItems.SingleOrDefault(x => x.Sequence == position.Minor);
}
}
return(pli);
}
public DeviceRuntime()
{
CurrentPosition = new PlaylistPosition();
}
public void Set(PlaylistPosition position)
{
this.Major = position.Major;
this.Minor = position.Minor;
}
