/**
* saves a playlist to the database for the current user. outputs a single integer which is the
* playlist ID if all goes well, otherwise you'll get a description of the problem.
*
* @throws IOException
*/
protected void savePlaylist() throws IOException, SQLException, BadRequestException {
final Request req = getRequest();
final User user = getUser();
final Locale locale = getLocale();
final String name = req.getUrlParam(2).trim();
final String[] args = req.getPlayParams(2);
String result = locale.getString("www.json.error.unknown");
// make sure data is ok first
if (name.equals("")) result = locale.getString("www.json.error.noName");
else if (args.length == 0) result = locale.getString("www.json.error.noArguments");
else if (user == null) result = locale.getString("www.json.error.notLoggedIn");
else {
final Database db = getDatabase();
final List<Track> vTracks = Track.getTracksFromPlayArgs(db, args);
final Track[] tracks = new Track[vTracks.size()];
for (int i = 0; i < vTracks.size(); i++) tracks[i] = vTracks.get(i);
result = Integer.toString(cm.savePlaylist(name, tracks, user));
}
final TString tpl = new TString();
tpl.setResult(result);
getResponse().showJson(tpl.makeRenderer());
}
/**
* tries to delete a users playlist. needs to check things like did they create it, etc... if all
* goes ok then sends back the ID so that the javascript handler can do whatever...
*
* @throws BadRequestException
* @throws SQLException
* @throws IOException
*/
protected void deletePlaylist() throws BadRequestException, SQLException, IOException {
final Request req = getRequest();
final User user = getUser();
final Locale locale = getLocale();
if (user == null)
throw new BadRequestException(locale.getString("www.json.error.notLoggedIn"), 403);
final Database db = getDatabase();
final int id = Integer.parseInt(req.getUrlParam(2));
final String sql =
" select 1 " + " from playlists p " + " where p.id = ? " + " and p.user_id = ? ";
ResultSet rs = null;
PreparedStatement st = null;
try {
// check user owns playlist before deleting it
st = db.prepare(sql);
st.setInt(1, id);
st.setInt(2, user.getId());
rs = st.executeQuery();
if (!rs.next()) throw new BadRequestException("You don't own that playlist", 403);
cm.removePlaylist(id);
// done, send success response
final TString tpl = new TString();
tpl.setResult(Integer.toString(id));
getResponse().showJson(tpl.makeRenderer());
} finally {
Utils.close(rs);
Utils.close(st);
}
}
