gnu-social/plugins/Activity/ActivityPlugin.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Shows social activities in the output feed
*
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Activity
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Activity plugin main class
*
* @category Activity
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class ActivityPlugin extends Plugin
{
const VERSION = '0.1';
// Flags to switch off certain activity notices
public $StartFollowUser = true;
public $StopFollowUser = true;
public $JoinGroup = true;
public $LeaveGroup = true;
public $StartLike = true;
public $StopLike = true;
/**
* Database schema setup
*
* @see Schema
* @see ColumnDef
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onCheckSchema()
{
$schema = Schema::get();
// For storing the activity part of a notice
$schema->ensureTable('notice_activity',
array(new ColumnDef('notice_id', 'integer', null,
false, 'PRI'),
new ColumnDef('verb', 'varchar', 255,
false, 'MUL'),
new ColumnDef('object', 'varchar', 255,
true, 'MUL')));
return true;
}
function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls)
{
case 'Notice_activity':
include_once $dir . '/'.$cls.'.php';
return false;
default:
return true;
}
}
function onEndSubscribe($subscriber, $other)
{
// Only do this if config is enabled
if(!$this->StartFollowUser) return true;
$user = User::staticGet('id', $subscriber->id);
if (!empty($user)) {
$rendered = sprintf(_m('<em>Started following <a href="%s">%s</a></em>.'),
$other->profileurl,
$other->getBestName());
$content = sprintf(_m('Started following %s : %s'),
$other->getBestName(),
$other->profileurl);
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::FOLLOW,
$other->getUri());
}
return true;
}
function onEndUnsubscribe($subscriber, $other)
{
// Only do this if config is enabled
if(!$this->StopFollowUser) return true;
$user = User::staticGet('id', $subscriber->id);
if (!empty($user)) {
$rendered = sprintf(_m('<em>Stopped following <a href="%s">%s</a></em>.'),
$other->profileurl,
$other->getBestName());
$content = sprintf(_m('Stopped following %s : %s'),
$other->getBestName(),
$other->profileurl);
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::UNFOLLOW,
$other->getUri());
}
return true;
}
function onEndFavorNotice($profile, $notice)
{
// Only do this if config is enabled
if(!$this->StartLike) return true;
$user = User::staticGet('id', $profile->id);
if (!empty($user)) {
$author = Profile::staticGet('id', $notice->profile_id);
$rendered = sprintf(_m('<em>Liked <a href="%s">%s\'s status</a></em>.'),
$notice->bestUrl(),
$author->getBestName());
$content = sprintf(_m('Liked %s\'s status: %s'),
$author->getBestName(),
$notice->bestUrl());
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::FAVORITE,
$notice->uri);
}
return true;
}
function onEndDisfavorNotice($profile, $notice)
{
// Only do this if config is enabled
if(!$this->StopLike) return true;
$user = User::staticGet('id', $profile->id);
if (!empty($user)) {
$author = Profile::staticGet('id', $notice->profile_id);
$rendered = sprintf(_m('<em>Stopped liking <a href="%s">%s\'s status</a></em>.'),
$notice->bestUrl(),
$author->getBestName());
$content = sprintf(_m('Stopped liking %s\'s status: %s'),
$author->getBestName(),
$notice->bestUrl());
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::UNFAVORITE,
$notice->uri);
}
return true;
}
function onEndJoinGroup($group, $user)
{
// Only do this if config is enabled
if(!$this->JoinGroup) return true;
$rendered = sprintf(_m('<em>Joined the group &quot;<a href="%s">%s</a>&quot;</em>.'),
$group->homeUrl(),
$group->getBestName());
$content = sprintf(_m('Joined the group %s : %s'),
$group->getBestName(),
$group->homeUrl());
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::JOIN,
$group->getUri());
return true;
}
function onEndLeaveGroup($group, $user)
{
// Only do this if config is enabled
if(!$this->LeaveGroup) return true;
$rendered = sprintf(_m('<em>Left the group &quot;<a href="%s">%s</a>&quot;</em>.'),
$group->homeUrl(),
$group->getBestName());
$content = sprintf(_m('Left the group "%s" : %s'),
$group->getBestName(),
$group->homeUrl());
$notice = Notice::saveNew($user->id,
$content,
'activity',
array('rendered' => $rendered));
Notice_activity::setActivity($notice->id,
ActivityVerb::LEAVE,
$group->getUri());
return true;
}
function onEndNoticeAsActivity($notice, &$activity)
{
$na = Notice_activity::staticGet('notice_id', $notice->id);
if (!empty($na)) {
$activity->verb = $na->verb;
// wipe the old object!
$activity->objects = array();
switch ($na->verb)
{
case ActivityVerb::FOLLOW:
case ActivityVerb::UNFOLLOW:
$profile = Profile::fromURI($na->object);
if (!empty($profile)) {
$activity->objects[] = ActivityObject::fromProfile($profile);
}
break;
case ActivityVerb::FAVORITE:
case ActivityVerb::UNFAVORITE:
$target = Notice::staticGet('uri', $na->object);
if (!empty($target)) {
$activity->objects[] = ActivityObject::fromNotice($target);
}
break;
case ActivityVerb::JOIN:
case ActivityVerb::LEAVE:
$group = User_group::staticGet('uri', $na->object);
if (!empty($notice)) {
$activity->objects[] = ActivityObject::fromGroup($group);
}
break;
default:
break;
}
}
return true;
}
function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'Activity',
'version' => self::VERSION,
'author' => 'Evan Prodromou',
'homepage' => 'http://status.net/wiki/Plugin:Activity',
'rawdescription' =>
_m('Emits notices when social activities happen.'));
return true;
}
}