506 lines
17 KiB
PHP
506 lines
17 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://activityschema.org/object/poll';
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const POLL_RESPONSE_OBJECT = 'http://activityschema.org/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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$schema->ensureTable('poll_response', Poll_response::schemaDef());
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$schema->ensureTable('user_poll_prefs', User_poll_prefs::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('css/poll.css'));
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return true;
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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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$m->connect('settings/poll',
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array('action' => 'pollsettings'));
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return true;
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}
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/**
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* Plugin version data
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*
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* @param array &$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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// TRANS: Plugin description.
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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 ($activity->entry) {
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$pollElements = $activity->entry->getElementsByTagNameNS(self::POLL_OBJECT, 'poll');
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$responseElements = $activity->entry->getElementsByTagNameNS(self::POLL_OBJECT, 'response');
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if ($pollElements->length) {
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$question = '';
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$opts = array();
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$data = $pollElements->item(0);
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foreach ($data->getElementsByTagNameNS(self::POLL_OBJECT, 'question') as $node) {
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$question = $node->textContent;
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}
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foreach ($data->getElementsByTagNameNS(self::POLL_OBJECT, 'option') as $node) {
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$opts[] = $node->textContent;
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}
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try {
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$notice = Poll::saveNew($profile, $question, $opts, $options);
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common_log(LOG_DEBUG, "Saved Poll from ActivityStream data ok: notice id " . $notice->id);
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return $notice;
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} catch (Exception $e) {
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common_log(LOG_DEBUG, "Poll save from ActivityStream data failed: " . $e->getMessage());
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}
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} else if ($responseElements->length) {
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$data = $responseElements->item(0);
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$pollUri = $data->getAttribute('poll');
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$selection = intval($data->getAttribute('selection'));
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if (!$pollUri) {
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// TRANS: Exception thrown trying to respond to a poll without a poll reference.
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throw new Exception(_m('Invalid poll response: No poll reference.'));
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}
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$poll = Poll::getKV('uri', $pollUri);
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if (!$poll) {
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// TRANS: Exception thrown trying to respond to a non-existing poll.
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throw new Exception(_m('Invalid poll response: Poll is unknown.'));
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}
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try {
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$notice = Poll_response::saveNew($profile, $poll, $selection, $options);
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common_log(LOG_DEBUG, "Saved Poll_response ok, notice id: " . $notice->id);
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return $notice;
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} catch (Exception $e) {
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common_log(LOG_DEBUG, "Poll response save 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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switch ($notice->object_type) {
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case self::POLL_OBJECT:
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return $this->activityObjectFromNoticePoll($notice);
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case self::POLL_RESPONSE_OBJECT:
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return $this->activityObjectFromNoticePollResponse($notice);
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default:
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// TRANS: Exception thrown when performing an unexpected action on a poll.
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// TRANS: %s is the unexpected object type.
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throw new Exception(sprintf(_m('Unexpected type for poll plugin: %s.'), $notice->object_type));
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}
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}
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function activityObjectFromNoticePollResponse($notice)
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{
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$object = new ActivityObject();
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$object->id = $notice->uri;
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$object->type = self::POLL_RESPONSE_OBJECT;
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$object->title = $notice->content;
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$object->summary = $notice->content;
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$object->link = $notice->getUrl();
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$response = Poll_response::getByNotice($notice);
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if ($response) {
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$poll = $response->getPoll();
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if ($poll) {
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// Stash data to be formatted later by
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// $this->activityObjectOutputAtom() or
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// $this->activityObjectOutputJson()...
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$object->pollSelection = intval($response->selection);
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$object->pollUri = $poll->uri;
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}
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}
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return $object;
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}
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function activityObjectFromNoticePoll($notice)
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{
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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 = $notice->content;
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$object->summary = $notice->content;
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$object->link = $notice->getUrl();
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$poll = Poll::getByNotice($notice);
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if ($poll) {
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// Stash data to be formatted later by
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// $this->activityObjectOutputAtom() or
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// $this->activityObjectOutputJson()...
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$object->pollQuestion = $poll->question;
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$object->pollOptions = $poll->getOptions();
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}
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return $object;
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}
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/**
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* Called when generating Atom XML ActivityStreams output from an
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* ActivityObject belonging to this plugin. Gives the plugin
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* a chance to add custom output.
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*
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* Note that you can only add output of additional XML elements,
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* not change existing stuff here.
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*
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* If output is already handled by the base Activity classes,
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* you can leave this base implementation as a no-op.
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*
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* @param ActivityObject $obj
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* @param XMLOutputter $out to add elements at end of object
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*/
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function activityObjectOutputAtom(ActivityObject $obj, XMLOutputter $out)
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{
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if (isset($obj->pollQuestion)) {
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/**
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* <poll:poll xmlns:poll="http://apinamespace.org/activitystreams/object/poll">
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* <poll:question>Who wants a poll question?</poll:question>
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* <poll:option>Option one</poll:option>
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* <poll:option>Option two</poll:option>
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* <poll:option>Option three</poll:option>
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* </poll:poll>
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*/
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$data = array('xmlns:poll' => self::POLL_OBJECT);
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$out->elementStart('poll:poll', $data);
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$out->element('poll:question', array(), $obj->pollQuestion);
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foreach ($obj->pollOptions as $opt) {
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$out->element('poll:option', array(), $opt);
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}
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$out->elementEnd('poll:poll');
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}
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if (isset($obj->pollSelection)) {
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/**
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* <poll:response xmlns:poll="http://apinamespace.org/activitystreams/object/poll">
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* poll="http://..../poll/...."
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* selection="3" />
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*/
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$data = array('xmlns:poll' => self::POLL_OBJECT,
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'poll' => $obj->pollUri,
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'selection' => $obj->pollSelection);
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$out->element('poll:response', $data, '');
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}
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}
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/**
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* Called when generating JSON ActivityStreams output from an
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* ActivityObject belonging to this plugin. Gives the plugin
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* a chance to add custom output.
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*
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* Modify the array contents to your heart's content, and it'll
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* all get serialized out as JSON.
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*
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* If output is already handled by the base Activity classes,
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* you can leave this base implementation as a no-op.
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*
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* @param ActivityObject $obj
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* @param array &$out JSON-targeted array which can be modified
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*/
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public function activityObjectOutputJson(ActivityObject $obj, array &$out)
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{
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common_log(LOG_DEBUG, 'QQQ: ' . var_export($obj, true));
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if (isset($obj->pollQuestion)) {
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/**
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* "poll": {
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* "question": "Who wants a poll question?",
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* "options": [
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* "Option 1",
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* "Option 2",
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* "Option 3"
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* ]
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* }
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*/
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$data = array('question' => $obj->pollQuestion,
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'options' => array());
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foreach ($obj->pollOptions as $opt) {
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$data['options'][] = $opt;
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}
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$out['poll'] = $data;
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}
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if (isset($obj->pollSelection)) {
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/**
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* "pollResponse": {
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* "poll": "http://..../poll/....",
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* "selection": 3
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* }
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*/
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$data = array('poll' => $obj->pollUri,
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'selection' => $obj->pollSelection);
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$out['pollResponse'] = $data;
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}
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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 $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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// TRANS: Exception thrown when performing an unexpected action on a poll.
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// TRANS: %s is the unexpected object type.
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throw new Exception(sprintf(_m('Unexpected type for poll plugin: %s.'), $notice->object_type));
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}
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}
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function showNoticePoll(Notice $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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$out->elementStart('div', array('class' => 'e-content poll-content'));
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$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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// TRANS: Error text displayed if no poll data could be found.
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$out->text(_m('Poll data is missing'));
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}
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$out->elementEnd('div');
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// @fixme
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$out->elementStart('div', array('class' => 'e-content'));
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}
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function showNoticePollResponse(Notice $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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$out->elementStart('div', array('class' => 'e-content'));
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}
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function entryForm($out)
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{
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return new NewPollForm($out);
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}
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// @fixme is this from parent?
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function tag()
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{
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return 'poll';
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}
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function appTitle()
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{
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// TRANS: Application title.
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return _m('APPTITLE','Poll');
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}
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function onStartAddNoticeReply($nli, $parent, $child)
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{
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// Filter out any poll responses
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if ($parent->object_type == self::POLL_OBJECT &&
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$child->object_type == self::POLL_RESPONSE_OBJECT) {
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return false;
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}
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return true;
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}
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// Hide poll responses for @chuck
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function onEndNoticeWhoGets($notice, &$ni) {
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if ($notice->object_type == self::POLL_RESPONSE_OBJECT) {
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foreach ($ni as $id => $source) {
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$user = User::getKV('id', $id);
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if (!empty($user)) {
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$pollPrefs = User_poll_prefs::getKV('user_id', $user->id);
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if (!empty($pollPrefs) && ($pollPrefs->hide_responses)) {
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unset($ni[$id]);
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}
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}
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}
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}
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return true;
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}
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/**
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* Menu item for personal subscriptions/groups area
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*
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* @param Action $action action being executed
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*
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* @return boolean hook return
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*/
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function onEndAccountSettingsNav($action)
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{
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$action_name = $action->trimmed('action');
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$action->menuItem(common_local_url('pollsettings'),
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// TRANS: Poll plugin menu item on user settings page.
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_m('MENU', 'Polls'),
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// TRANS: Poll plugin tooltip for user settings menu item.
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_m('Configure poll behavior'),
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$action_name === 'pollsettings');
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return true;
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}
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}
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