forked from GNUsocial/gnu-social
Show social activities as notices and activity streams objects
This commit is contained in:
Evan Prodromou
commit
8497d2960a
293
ActivityPlugin.php
Normal file
293
ActivityPlugin.php
Normal file
@ -0,0 +1,293 @@
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<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* Shows social activities in the output feed
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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 Activity
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* Activity plugin main class
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*
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* @category Activity
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class ActivityPlugin extends Plugin
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{
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const VERSION = '0.1';
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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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$schema = Schema::get();
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// For storing the activity part of a notice
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$schema->ensureTable('notice_activity',
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array(new ColumnDef('notice_id', 'integer', null,
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false, 'PRI'),
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new ColumnDef('verb', 'varchar', 255,
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false, 'MUL'),
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new ColumnDef('object', 'varchar', 255,
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true, 'MUL')));
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return true;
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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 'Notice_activity':
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include_once $dir . '/'.$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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function onEndSubscribe($subscriber, $other)
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{
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$user = User::staticGet('id', $subscriber->id);
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if (!empty($user)) {
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$rendered = sprintf(_m('<em>Started following <a href="%s">%s</a></em>.'),
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$other->profileurl,
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$other->getBestName());
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$content = sprintf(_m('Started following %s.'),
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$other->getBestName());
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$notice = Notice::saveNew($user->id,
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$content,
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'activity',
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array('rendered' => $rendered));
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Notice_activity::setActivity($notice->id,
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ActivityVerb::FOLLOW,
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$other->getUri());
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}
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return true;
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}
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function onEndUnsubscribe($subscriber, $other)
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{
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$user = User::staticGet('id', $subscriber->id);
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if (!empty($user)) {
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$rendered = sprintf(_m('<em>Stopped following <a href="%s">%s</a></em>.'),
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$other->profileurl,
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$other->getBestName());
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$content = sprintf(_m('Stopped following %s.'),
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$other->getBestName());
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$notice = Notice::saveNew($user->id,
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$content,
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'activity',
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array('rendered' => $rendered));
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Notice_activity::setActivity($notice->id,
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ActivityVerb::UNFOLLOW,
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$other->getUri());
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}
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return true;
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}
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function onEndFavorNotice($profile, $notice)
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{
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$user = User::staticGet('id', $profile->id);
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if (!empty($user)) {
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$author = Profile::staticGet('id', $notice->profile_id);
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$rendered = sprintf(_m('<em>Liked <a href="%s">%s\'s status</a></em>.'),
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$notice->bestUrl(),
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$author->getBestName());
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$content = sprintf(_m('Liked %s\'s status.'),
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$author->getBestName());
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$notice = Notice::saveNew($user->id,
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$content,
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'activity',
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array('rendered' => $rendered));
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Notice_activity::setActivity($notice->id,
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ActivityVerb::FAVORITE,
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$notice->uri);
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}
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return true;
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}
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function onEndDisfavorNotice($profile, $notice)
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{
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$user = User::staticGet('id', $profile->id);
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if (!empty($user)) {
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$author = Profile::staticGet('id', $notice->profile_id);
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$rendered = sprintf(_m('<em>Stopped liking <a href="%s">%s\'s status</a></em>.'),
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$notice->bestUrl(),
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$author->getBestName());
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$content = sprintf(_m('Stopped liking %s\'s status.'),
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$author->getBestName());
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$notice = Notice::saveNew($user->id,
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$content,
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'activity',
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array('rendered' => $rendered));
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Notice_activity::setActivity($notice->id,
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ActivityVerb::UNFAVORITE,
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$notice->uri);
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}
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return true;
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}
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function onEndJoinGroup($group, $user)
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{
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$rendered = sprintf(_m('<em>Joined the group "<a href="%s">%s</a>"</em>.'),
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$group->homeUrl(),
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$group->getBestName());
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$content = sprintf(_m('Joined the group %s.'),
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$group->getBestName());
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$notice = Notice::saveNew($user->id,
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$content,
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'activity',
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array('rendered' => $rendered));
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Notice_activity::setActivity($notice->id,
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ActivityVerb::JOIN,
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$group->getUri());
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return true;
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}
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function onEndLeaveGroup($group, $user)
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{
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$rendered = sprintf(_m('<em>Left the group "<a href="%s">%s</a>"</em>.'),
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$group->homeUrl(),
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$group->getBestName());
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$content = sprintf(_m('Left the group "%s".'),
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$group->getBestName());
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$notice = Notice::saveNew($user->id,
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$content,
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'activity',
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array('rendered' => $rendered));
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Notice_activity::setActivity($notice->id,
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ActivityVerb::LEAVE,
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$group->getUri());
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return true;
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}
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function onStartActivityVerb(&$notice, &$xs, &$verb)
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{
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$act = Notice_activity::staticGet('notice_id', $notice->id);
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if (!empty($act)) {
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$this->debug("Have an activity ({$act->notice_id}, {$act->verb}, {$act->object})");
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$verb = $act->verb;
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}
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return true;
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}
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function onStartActivityDefaultObjectType(&$notice, &$xs, &$type)
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{
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$act = Notice_activity::staticGet('notice_id', $notice->id);
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if (!empty($act)) {
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$this->debug("Have an activity ({$act->notice_id}, {$act->verb}, {$act->object})");
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// no default 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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function onStartActivityObjects(&$notice, &$xs, &$objects)
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{
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$act = Notice_activity::staticGet('notice_id', $notice->id);
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if (!empty($act)) {
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$this->debug("Have an activity ({$act->notice_id}, {$act->verb}, {$act->object})");
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switch ($act->verb)
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{
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case ActivityVerb::FOLLOW:
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case ActivityVerb::UNFOLLOW:
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$profile = Profile::fromURI($act->object);
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if (!empty($profile)) {
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$objects[] = ActivityObject::fromProfile($profile);
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}
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break;
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case ActivityVerb::FAVORITE:
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case ActivityVerb::UNFAVORITE:
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$notice = Notice::staticGet('uri', $act->object);
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if (!empty($notice)) {
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$objects[] = $notice->asActivity();
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}
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break;
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case ActivityVerb::JOIN:
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case ActivityVerb::LEAVE:
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$group = User_group::staticGet('uri', $act->object);
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if (!empty($notice)) {
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$objects[] = ActivityObject::fromGroup($group);
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}
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break;
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default:
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break;
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}
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}
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return true;
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}
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function onPluginVersion(&$versions)
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{
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$versions[] = array('name' => 'Activity',
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'version' => self::VERSION,
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'author' => 'Evan Prodromou',
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'homepage' => 'http://status.net/wiki/Plugin:Activity',
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'rawdescription' =>
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_m('Emits notices when social activities happen.'));
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return true;
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}
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}
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155
Notice_activity.php
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155
Notice_activity.php
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@ -0,0 +1,155 @@
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<?php
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/**
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* Data class for saving social activities as notices
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*
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* PHP version 5
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*
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* @category Data
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2009, StatusNet, Inc.
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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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if (!defined('STATUSNET')) {
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exit(1);
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}
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require_once INSTALLDIR . '/classes/Memcached_DataObject.php';
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/**
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* Data class for saving social activities as notices
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*
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* @category Action
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* @see DB_DataObject
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*/
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class Notice_activity extends Memcached_DataObject
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{
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public $__table = 'notice_activity'; // table name
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public $notice_id; // int(4) primary_key not_null
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public $verb; // varchar(255)
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public $object; // varchar(255)
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/**
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* Get an instance by key
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*
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* This is a utility method to get a single instance with a given key value.
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*
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* @param string $k Key to use to lookup (usually 'notice_id' for this class)
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* @param mixed $v Value to lookup
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*
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* @return Notice_activity object found, or null for no hits
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*
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*/
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function staticGet($k, $v=null)
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{
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common_debug("Notice_activity::staticGet($k, $v)");
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$result = Memcached_DataObject::staticGet('Notice_activity', $k, $v);
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return $result;
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}
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/**
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* return table definition for DB_DataObject
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*
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* DB_DataObject needs to know something about the table to manipulate
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* instances. This method provides all the DB_DataObject needs to know.
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*
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* @return array array of column definitions
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*/
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function table()
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{
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return array('notice_id' => DB_DATAOBJECT_INT + DB_DATAOBJECT_NOTNULL,
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'verb' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
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'object' => DB_DATAOBJECT_STR);
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}
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/**
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* return key definitions for DB_DataObject
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*
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* DB_DataObject needs to know about keys that the table has, since it
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* won't appear in StatusNet's own keys list. In most cases, this will
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* simply reference your keyTypes() function.
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*
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* @return array list of key field names
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*/
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function keys()
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{
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return array_keys($this->keyTypes());
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}
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/**
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* return key definitions for Memcached_DataObject
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*
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* Our caching system uses the same key definitions, but uses a different
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* method to get them. This key information is used to store and clear
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* cached data, so be sure to list any key that will be used for static
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* lookups.
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*
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* @return array associative array of key definitions, field name to type:
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* 'K' for primary key: for compound keys, add an entry for each component;
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* 'U' for unique keys: compound keys are not well supported here.
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*/
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function keyTypes()
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{
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return array('notice_id' => 'K');
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}
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/**
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* Magic formula for non-autoincrementing integer primary keys
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*
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* If a table has a single integer column as its primary key, DB_DataObject
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* assumes that the column is auto-incrementing and makes a sequence table
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* to do this incrementation. Since we don't need this for our class, we
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* overload this method and return the magic formula that DB_DataObject needs.
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*
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* @return array magic three-false array that stops auto-incrementing.
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*/
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function sequenceKey()
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{
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return array(false, false, false);
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}
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static function setActivity($notice_id, $verb, $object=null)
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{
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$act = self::staticGet('notice_id', $notice_id);
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if (empty($act)) {
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$act = new Notice_activity();
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$act->notice_id = $notice_id;
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$act->verb = $verb;
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$act->object = $object;
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$act->insert();
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} else {
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$orig = clone($act);
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$act->verb = $verb;
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$act->object = $object;
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$act->update($orig);
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}
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}
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}
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