f69f713360
In the future, use events for formatting microapp notices, more specifically through the plugin's function "showNoticeContent" or similar, which is called from MicroAppPlugin, which is extended from ActivityHandlerPlugin.
471 lines
16 KiB
PHP
471 lines
16 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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var $oldSaveNew = true;
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/**
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* Database schema setup
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*
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* @see Schema
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* @see ColumnDef
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*
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* @return boolean hook value; true means continue processing, false means stop.
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*/
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function onCheckSchema()
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{
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$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 $notice)
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{
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$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 $activity, Profile $profile, array $options=array())
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{
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// @fixme
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common_log(LOG_DEBUG, "XXX activity: " . var_export($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 $notice)
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{
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assert($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 $notice)
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{
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$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 $notice)
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{
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$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'] = $data;
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}
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}
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function entryForm($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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protected function showNoticeContent(Notice $stored, HTMLOutputter $out, Profile $scoped=null)
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{
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if ($stored->object_type == self::POLL_RESPONSE_OBJECT) {
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parent::showNoticeContent($stored, $out, $scoped);
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return;
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}
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// If the stored notice is a POLL_OBJECT
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$poll = Poll::getByNotice($stored);
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if ($poll instanceof Poll and $scoped instanceof Profile) {
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$response = $poll->getResponse($scoped);
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if ($response instanceof Poll_response) {
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// User has already responded; show the results.
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$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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} elseif (!$scoped instanceof Profile) {
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// TRANS: No current user's profile, so we can't take a reply.
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$out->text(_m('You must be logged in to respond to this poll.'));
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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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}
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}
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