362 lines
11 KiB
PHP
362 lines
11 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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* A plugin to enable social-bookmarking functionality
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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 PollPlugin
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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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exit(1);
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}
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/**
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* Poll plugin main class
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*
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* @category PollPlugin
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* @package StatusNet
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* @author Brion Vibber <brionv@status.net>
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* @author Evan Prodromou <evan@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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class PollPlugin extends MicroAppPlugin
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{
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const VERSION = '0.1';
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// @fixme which domain should we use for these namespaces?
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const POLL_OBJECT = 'http://apinamespace.org/activitystreams/object/poll';
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const POLL_RESPONSE_OBJECT = 'http://apinamespace.org/activitystreams/object/poll-response';
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/**
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* Database schema setup
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*
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* @see Schema
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* @see ColumnDef
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*
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* @return boolean hook value; true means continue processing, false means stop.
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*/
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function onCheckSchema()
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{
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$schema = Schema::get();
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$schema->ensureTable('poll', Poll::schemaDef());
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$schema->ensureTable('poll_response', Poll_response::schemaDef());
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return true;
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}
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/**
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* Show the CSS necessary for this plugin
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*
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* @param Action $action the action being run
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*
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* @return boolean hook value
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*/
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function onEndShowStyles($action)
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{
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$action->cssLink($this->path('poll.css'));
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return true;
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}
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/**
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* Load related modules when needed
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*
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* @param string $cls Name of the class to be loaded
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*
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* @return boolean hook value; true means continue processing, false means stop.
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*/
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function onAutoload($cls)
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{
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$dir = dirname(__FILE__);
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switch ($cls)
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{
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case 'ShowpollAction':
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case 'NewpollAction':
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case 'RespondpollAction':
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include_once $dir . '/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
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return false;
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case 'Poll':
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case 'Poll_response':
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include_once $dir.'/'.$cls.'.php';
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return false;
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case 'NewPollForm':
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case 'PollResponseForm':
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case 'PollResultForm':
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include_once $dir.'/'.strtolower($cls).'.php';
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return false;
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default:
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return true;
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}
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}
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/**
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* Map URLs to actions
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*
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* @param Net_URL_Mapper $m path-to-action mapper
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*
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* @return boolean hook value; true means continue processing, false means stop.
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*/
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function onRouterInitialized($m)
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{
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$m->connect('main/poll/new',
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array('action' => 'newpoll'));
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$m->connect('main/poll/:id',
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array('action' => 'showpoll'),
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array('id' => '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'));
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$m->connect('main/poll/response/:id',
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array('action' => 'showpollresponse'),
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array('id' => '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'));
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$m->connect('main/poll/:id/respond',
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array('action' => 'respondpoll'),
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array('id' => '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'));
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return true;
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}
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/**
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* Plugin version data
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*
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* @param array &$versions array of version data
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*
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* @return value
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*/
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function onPluginVersion(&$versions)
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{
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$versions[] = array('name' => 'Poll',
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'version' => self::VERSION,
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'author' => 'Brion Vibber',
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'homepage' => 'http://status.net/wiki/Plugin:Poll',
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'rawdescription' =>
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_m('Simple extension for supporting basic polls.'));
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return true;
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}
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function types()
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{
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return array(self::POLL_OBJECT, self::POLL_RESPONSE_OBJECT);
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}
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/**
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* When a notice is deleted, delete the related Poll
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*
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* @param Notice $notice Notice being deleted
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*
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* @return boolean hook value
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*/
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function deleteRelated($notice)
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{
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$p = Poll::getByNotice($notice);
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if (!empty($p)) {
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$p->delete();
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}
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return true;
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}
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/**
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* Save a poll from an activity
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*
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* @param Profile $profile Profile to use as author
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* @param Activity $activity Activity to save
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* @param array $options Options to pass to bookmark-saving code
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*
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* @return Notice resulting notice
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*/
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function saveNoticeFromActivity($activity, $profile, $options=array())
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{
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// @fixme
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common_log(LOG_DEBUG, "XXX activity: " . var_export($activity, true));
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common_log(LOG_DEBUG, "XXX profile: " . var_export($profile, true));
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common_log(LOG_DEBUG, "XXX options: " . var_export($options, true));
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// Ok for now, we can grab stuff from the XML entry directly.
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// This won't work when reading from JSON source
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if ($activity->entry) {
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$elements = $activity->entry->getElementsByTagNameNS(self::POLL_OBJECT, 'data');
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if ($elements->length) {
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$data = $elements->item(0);
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$question = $data->getAttribute('question');
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$opts = array();
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foreach ($data->attributes as $node) {
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$name = $node->nodeName;
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if (substr($name, 0, 6) == 'option') {
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$n = intval(substr($name, 6));
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if ($n > 0) {
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$opts[$n - 1] = $node->nodeValue;
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}
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}
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}
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common_log(LOG_DEBUG, "YYY question: $question");
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common_log(LOG_DEBUG, "YYY opts: " . var_export($opts, true));
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try {
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$notice = Poll::saveNew($profile, $question, $opts, $options);
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common_log(LOG_DEBUG, "YYY ok: " . $notice->id);
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return $notice;
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} catch (Exception $e) {
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common_log(LOG_DEBUG, "YYY fail: " . $e->getMessage());
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}
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} else {
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common_log(LOG_DEBUG, "YYY no poll data");
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}
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}
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}
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function activityObjectFromNotice($notice)
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{
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assert($this->isMyNotice($notice));
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$object = new ActivityObject();
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$object->id = $notice->uri;
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$object->type = self::POLL_OBJECT;
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$object->title = 'Poll title';
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$object->summary = 'Poll summary';
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$object->link = $notice->bestUrl();
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$poll = Poll::getByNotice($notice);
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/**
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* Adding the poll-specific data. There's no standard in AS for polls,
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* so we're making stuff up.
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*
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* For the moment, using a kind of icky-looking schema that happens to
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* work with out code for generating both Atom and JSON forms, though
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* I don't like it:
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*
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* <poll:data xmlns:poll="http://apinamespace.org/activitystreams/object/poll"
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* question="Who wants a poll question?"
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* option1="Option one"
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* option2="Option two"
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* option3="Option three"></poll:data>
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*
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* "poll:data": {
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* "xmlns:poll": http://apinamespace.org/activitystreams/object/poll
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* "question": "Who wants a poll question?"
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* "option1": "Option one"
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* "option2": "Option two"
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* "option3": "Option three"
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* }
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*
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*/
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// @fixme there's no way to specify an XML node tree here, like <poll><option/><option/></poll>
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// @fixme there's no way to specify a JSON array or multi-level tree unless you break the XML attribs
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// @fixme XML node contents don't get shown in JSON
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$data = array('xmlns:poll' => self::POLL_OBJECT,
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'question' => $poll->question);
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foreach ($poll->getOptions() as $i => $opt) {
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$data['option' . ($i + 1)] = $opt;
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}
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$object->extra[] = array('poll:data', $data, '');
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return $object;
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}
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/**
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* @fixme WARNING WARNING WARNING parent class closes the final div that we
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* open here, but we probably shouldn't open it here. Check parent class
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* and Bookmark plugin for if that's right.
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*/
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function showNotice($notice, $out)
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{
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switch ($notice->object_type) {
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case self::POLL_OBJECT:
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return $this->showNoticePoll($notice, $out);
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case self::POLL_RESPONSE_OBJECT:
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return $this->showNoticePollResponse($notice, $out);
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default:
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throw new Exception('Unexpected type for poll plugin: ' . $notice->object_type);
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}
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}
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function showNoticePoll($notice, $out)
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{
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$user = common_current_user();
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// @hack we want regular rendering, then just add stuff after that
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$nli = new NoticeListItem($notice, $out);
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$nli->showNotice();
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$out->elementStart('div', array('class' => 'entry-content poll-content'));
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$poll = Poll::getByNotice($notice);
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if ($poll) {
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if ($user) {
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$profile = $user->getProfile();
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$response = $poll->getResponse($profile);
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if ($response) {
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// User has already responded; show the results.
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$form = new PollResultForm($poll, $out);
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} else {
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$form = new PollResponseForm($poll, $out);
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}
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$form->show();
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}
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} else {
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$out->text('Poll data is missing');
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}
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$out->elementEnd('div');
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// @fixme
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$out->elementStart('div', array('class' => 'entry-content'));
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}
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function showNoticePollResponse($notice, $out)
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{
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$user = common_current_user();
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// @hack we want regular rendering, then just add stuff after that
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$nli = new NoticeListItem($notice, $out);
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$nli->showNotice();
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// @fixme
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$out->elementStart('div', array('class' => 'entry-content'));
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}
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function entryForm($out)
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{
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return new NewPollForm($out);
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}
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// @fixme is this from parent?
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function tag()
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{
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return 'poll';
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}
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function appTitle()
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{
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return _m('Poll');
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}
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}
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