<?php /** * StatusNet - the distributed open-source microblogging tool * Copyright (C) 2011, StatusNet, Inc. * * Vote on a question or answer * * PHP version 5 * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * @category QnA * @package StatusNet * @author Zach Copley <zach@status.net> * @copyright 2011 StatusNet, Inc. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0 * @link http://status.net/ */ if (!defined('STATUSNET')) { // This check helps protect against security problems; // your code file can't be executed directly from the web. exit(1); } /** * Vote on a question or answer * * @category QnA * @package StatusNet * @author Zach Copley <zach@status.net> * @copyright 2010 StatusNet, Inc. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0 * @link http://status.net/ */ class Qnavote extends Action { protected $user = null; protected $error = null; protected $complete = null; protected $question = null; protected $answer = null; /** * Returns the title of the action * * @return string Action title */ function title() { // TRANS: Page title for and answer to a question. return _m('Answer'); } /** * For initializing members of the class. * * @param array $argarray misc. arguments * * @return boolean true */ function prepare($argarray) { parent::prepare($argarray); if ($this->boolean('ajax')) { GNUsocial::setApi(true); } $this->user = common_current_user(); if (empty($this->user)) { // TRANS: Client exception thrown trying to answer a question while not logged in. throw new ClientException(_m('You must be logged in to answer to a question.'), 403); } if ($this->isPost()) { $this->checkSessionToken(); } $id = $this->trimmed('id'); $this->question = QnA_Question::getKV('id', $id); if (empty($this->question)) { // TRANS: Client exception thrown trying to respond to a non-existing question. throw new ClientException(_m('Invalid or missing question.'), 404); } $answer = $this->trimmed('answer'); return true; } /** * Handler method * * @param array $argarray is ignored since it's now passed in in prepare() * * @return void */ function handle($argarray=null) { parent::handle($argarray); if ($this->isPost()) { $this->answer(); } else { $this->showPage(); } return; } /** * Add a new answer * * @return void */ function answer() { try { $notice = Answer::saveNew( $this->user->getProfile(), $this->question, $this->answer ); } catch (ClientException $ce) { $this->error = $ce->getMessage(); $this->showPage(); return; } if ($this->boolean('ajax')) { $this->startHTML('text/xml;charset=utf-8'); $this->elementStart('head'); // TRANS: Page title after sending in a vote for a question or answer. $this->element('title', null, _m('Answers')); $this->elementEnd('head'); $this->elementStart('body'); $form = new QnA_Answer($this->question, $this); $form->show(); $this->elementEnd('body'); $this->endHTML(); } else { common_redirect($this->question->getUrl(), 303); } } /** * Show the Answer form * * @return void */ function showContent() { if (!empty($this->error)) { $this->element('p', 'error', $this->error); } $form = new QnaanswerForm($this->question, $this); $form->show(); return; } /** * Return true if read only. * * MAY override * * @param array $args other arguments * * @return boolean is read only action? */ function isReadOnly($args) { if ($_SERVER['REQUEST_METHOD'] == 'GET' || $_SERVER['REQUEST_METHOD'] == 'HEAD') { return true; } else { return false; } } }