/**
* Signals Music that a track is being played. A track is considered playing if it is played more
* than halfway.
*
* @param id Track ID
* @param dateStr Date the track was started playing.
* @param duration Duration into the track in seconds
* @return Response
*/
@POST
@Path("listening")
public Response listening(
@FormParam("id") String id,
@FormParam("date") String dateStr,
@FormParam("duration") Integer duration) {
if (!authenticate()) {
throw new ForbiddenClientException();
}
Date date = ValidationUtil.validateDate(dateStr, "date", false);
ValidationUtil.validateRequired(duration, "duration");
// Load the track
TrackDao trackDao = new TrackDao();
Track track = trackDao.getActiveById(id);
if (track == null) {
return Response.status(Response.Status.NOT_FOUND).build();
}
duration = MathUtil.clip(duration, 0, track.getLength());
// Update currently playing track
final PlayerService playerService = AppContext.getInstance().getPlayerService();
playerService.notifyPlaying(principal.getId(), track, date, duration);
// Always return OK
return Response.ok().entity(Json.createObjectBuilder().add("status", "ok").build()).build();
}
/**
* Post a set of tracks played before (useful for offline mode).
*
* @param idList An array of track ID
* @param dateStrList An array of dates at which the track was started playing
* @return Response
*/
@POST
@Path("listened")
public Response listened(
@FormParam("id") List<String> idList, @FormParam("date") List<String> dateStrList) {
if (!authenticate()) {
throw new ForbiddenClientException();
}
if (idList == null || dateStrList == null || idList.size() != dateStrList.size()) {
throw new ClientException("ValidationError", "Invalid id or dates");
}
// Scrobble tracks on Last.fm
final TrackDao trackDao = new TrackDao();
final UserTrackDao userTrackDao = new UserTrackDao();
List<Track> trackList = new ArrayList<Track>();
List<Date> dateList = new ArrayList<Date>();
for (int i = 0; i < idList.size(); i++) {
Track track = trackDao.getActiveById(idList.get(i));
if (track != null) {
Date date = ValidationUtil.validateDate(dateStrList.get(i), "date", false);
trackList.add(track);
dateList.add(date);
// Increment local play count
userTrackDao.incrementPlayCount(principal.getId(), track.getId());
}
}
final User user = new UserDao().getActiveById(principal.getId());
if (user != null && user.getLastFmSessionToken() != null) {
final LastFmService lastFmService = AppContext.getInstance().getLastFmService();
lastFmService.scrobbleTrackList(user, trackList, dateList);
}
// Always return OK
return Response.ok().entity(Json.createObjectBuilder().add("status", "ok").build()).build();
}