public override void HandleRequest(SetPlaylistItemGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
{
// Save state if first event.
if (!InitialStateSet)
{
InitialState = prevState;
InitialStateSet = true;
}
ResumePlaying = true;
var result = context.SetPlayingItem(request.PlaylistItemId);
if (result)
{
var playQueueUpdate = context.GetPlayQueueUpdate(PlayQueueUpdateReason.SetCurrentItem);
var update = context.NewSyncPlayGroupUpdate(GroupUpdateType.PlayQueue, playQueueUpdate);
context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken);
// Reset status of sessions and await for all Ready events.
context.SetAllBuffering(true);
}
else
{
// Return to old state.
IGroupState newState = prevState switch
{
GroupStateType.Playing => new PlayingGroupState(LoggerFactory),
GroupStateType.Paused => new PausedGroupState(LoggerFactory),
_ => new IdleGroupState(LoggerFactory)
};
context.SetState(newState);
_logger.LogDebug("Unable to change current playing item in group {GroupId}.", context.GroupId.ToString());
}
}