197 lines
5.1 KiB
PHP
197 lines
5.1 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2011, StatusNet, Inc.
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*
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* Add a new Poll
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*
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* PHP version 5
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Poll
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* @package StatusNet
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* @author Brion Vibber <brion@status.net>
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* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* Add a new Poll
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*
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* @category Poll
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class RespondPollAction extends Action
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{
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protected $user = null;
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protected $error = null;
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protected $complete = null;
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protected $poll = null;
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protected $selection = null;
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/**
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* Returns the title of the action
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*
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* @return string Action title
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*/
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function title()
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{
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return _m('Poll response');
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}
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/**
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* For initializing members of the class.
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*
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* @param array $argarray misc. arguments
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*
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* @return boolean true
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*/
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function prepare($argarray)
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{
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parent::prepare($argarray);
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if ($this->boolean('ajax')) {
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StatusNet::setApi(true);
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}
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$this->user = common_current_user();
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if (empty($this->user)) {
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throw new ClientException(_m("You must be logged in to respond to a poll."),
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403);
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}
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if ($this->isPost()) {
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$this->checkSessionToken();
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}
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$id = $this->trimmed('id');
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$this->poll = Poll::staticGet('id', $id);
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if (empty($this->poll)) {
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throw new ClientException(_m("Invalid or missing poll."), 404);
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}
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$selection = intval($this->trimmed('pollselection'));
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if ($selection < 1 || $selection > count($this->poll->getOptions())) {
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throw new ClientException(_m('Invalid poll selection.'));
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}
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$this->selection = $selection;
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return true;
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}
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/**
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* Handler method
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*
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* @param array $argarray is ignored since it's now passed in in prepare()
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*
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* @return void
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*/
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function handle($argarray=null)
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{
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parent::handle($argarray);
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if ($this->isPost()) {
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$this->respondPoll();
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} else {
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$this->showPage();
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}
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return;
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}
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/**
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* Add a new Poll
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*
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* @return void
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*/
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function respondPoll()
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{
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try {
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$notice = Poll_response::saveNew($this->user->getProfile(),
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$this->poll,
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$this->selection);
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} catch (ClientException $ce) {
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$this->error = $ce->getMessage();
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$this->showPage();
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return;
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}
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if ($this->boolean('ajax')) {
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header('Content-Type: text/xml;charset=utf-8');
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$this->xw->startDocument('1.0', 'UTF-8');
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$this->elementStart('html');
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$this->elementStart('head');
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// TRANS: Page title after sending a poll response.
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$this->element('title', null, _m('Poll results'));
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$this->elementEnd('head');
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$this->elementStart('body');
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$form = new PollResultForm($this->poll, $this);
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$form->show();
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$this->elementEnd('body');
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$this->elementEnd('html');
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} else {
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common_redirect($this->poll->bestUrl(), 303);
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}
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}
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/**
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* Show the Poll form
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*
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* @return void
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*/
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function showContent()
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{
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if (!empty($this->error)) {
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$this->element('p', 'error', $this->error);
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}
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$form = new PollResponseForm($this->poll, $this);
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$form->show();
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return;
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}
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/**
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* Return true if read only.
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*
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* MAY override
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*
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* @param array $args other arguments
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*
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* @return boolean is read only action?
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*/
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function isReadOnly($args)
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{
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if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
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$_SERVER['REQUEST_METHOD'] == 'HEAD') {
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return true;
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} else {
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return false;
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}
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}
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}
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