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';
const SOURCE = 'system';
// Flags to switch off certain activity notices
public $StartFollowUser = true;
public $StopFollowUser = true;
public $JoinGroup = true;
public $LeaveGroup = true;
public $StartLike = true;
public $StopLike = true;
function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls)
{
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case 'JoinListItem':
case 'LeaveListItem':
case 'FollowListItem':
case 'UnfollowListItem':
case 'SystemListItem':
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include_once $dir . '/'.strtolower($cls).'.php';
return false;
default:
return true;
}
}
function onEndSubscribe($subscriber, $other)
{
// Only do this if config is enabled
if(!$this->StartFollowUser) return true;
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$user = $subscriber->getUser();
if (!empty($user)) {
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$sub = Subscription::pkeyGet(array('subscriber' => $subscriber->id,
'subscribed' => $other->id));
$rendered = sprintf(_m('<em><a href="%s">%s</a> started following <a href="%s">%s</a></em>.'),
$subscriber->profileurl,
$subscriber->getBestName(),
$other->profileurl,
$other->getBestName());
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$content = sprintf(_m('%s (%s) started following %s (%s).'),
$subscriber->getBestName(),
$subscriber->profileurl,
$other->getBestName(),
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$other->profileurl);
$notice = Notice::saveNew($user->id,
$content,
ActivityPlugin::SOURCE,
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array('rendered' => $rendered,
'replies' => array($other->getUri()),
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'verb' => ActivityVerb::FOLLOW,
'object_type' => ActivityObject::PERSON,
'uri' => $sub->uri));
}
return true;
}
function onEndUnsubscribe($subscriber, $other)
{
// Only do this if config is enabled
if(!$this->StopFollowUser) return true;
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$user = $subscriber->getUser();
if (!empty($user)) {
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$rendered = sprintf(_m('<em><a href="%s">%s</a> stopped following <a href="%s">%s</a></em>.'),
$subscriber->profileurl,
$subscriber->getBestName(),
$other->profileurl,
$other->getBestName());
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$content = sprintf(_m('%s (%s) stopped following %s (%s).'),
$subscriber->getBestName(),
$subscriber->profileurl,
$other->getBestName(),
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$other->profileurl);
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$uri = TagURI::mint('stop-following:%d:%d:%s',
$subscriber->id,
$other->id,
common_date_iso8601(common_sql_now()));
$notice = Notice::saveNew($user->id,
$content,
ActivityPlugin::SOURCE,
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array('rendered' => $rendered,
'replies' => array($other->getUri()),
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'uri' => $uri,
'verb' => ActivityVerb::UNFOLLOW,
'object_type' => ActivityObject::PERSON));
}
return true;
}
function onEndFavorNotice($profile, $notice)
{
// Only do this if config is enabled
if(!$this->StartLike) return true;
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$user = $profile->getUser();
if (!empty($user)) {
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$author = $notice->getProfile();
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$fave = Fave::pkeyGet(array('user_id' => $user->id,
'notice_id' => $notice->id));
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$rendered = sprintf(_m('<em><a href="%s">%s</a> liked <a href="%s">%s\'s update</a></em>.'),
$profile->profileurl,
$profile->getBestName(),
$notice->bestUrl(),
$author->getBestName());
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$content = sprintf(_m('%s (%s) liked %s\'s status (%s)'),
$profile->getBestName(),
$profile->profileurl,
$author->getBestName(),
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$notice->bestUrl());
$notice = Notice::saveNew($user->id,
$content,
ActivityPlugin::SOURCE,
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array('rendered' => $rendered,
'replies' => array($author->getUri()),
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'uri' => $fave->getURI(),
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'verb' => ActivityVerb::FAVORITE,
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'object_type' => (($notice->verb == ActivityVerb::POST) ?
$notice->object_type : ActivityObject::ACTIVITY)));
}
return true;
}
function onEndDisfavorNotice($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', $notice->profile_id);
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$rendered = sprintf(_m('<em><a href="%s">%s</a> stopped liking <a href="%s">%s\'s update</a></em>.'),
$profile->profileurl,
$profile->getBestName(),
$notice->bestUrl(),
$author->getBestName());
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$content = sprintf(_m('%s (%s) stopped liking %s\'s status (%s)'),
$profile->getBestName(),
$profile->profileurl,
$author->getBestName(),
$notice->bestUrl());
$uri = TagURI::mint('unlike:%d:%d:%s',
$profile->id,
$notice->id,
common_date_iso8601(common_sql_now()));
$notice = Notice::saveNew($user->id,
$content,
ActivityPlugin::SOURCE,
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array('rendered' => $rendered,
'replies' => array($author->getUri()),
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'uri' => $uri,
'verb' => ActivityVerb::UNFAVORITE,
'object_type' => (($notice->verb == ActivityVerb::POST) ?
$notice->object_type : ActivityObject::ACTIVITY)));
}
return true;
}
function onEndJoinGroup($group, $profile)
{
// Only do this if config is enabled
if(!$this->JoinGroup) return true;
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$user = $profile->getUser();
if (empty($user)) {
return true;
}
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$rendered = sprintf(_m('<em><a href="%s">%s</a> joined the group <a href="%s">%s</a></em>.'),
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$profile->profileurl,
$profile->getBestName(),
$group->homeUrl(),
$group->getBestName());
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$content = sprintf(_m('%s (%s) joined the group %s (%s).'),
$profile->getBestName(),
$profile->profileurl,
$group->getBestName(),
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$group->homeUrl());
$mem = Group_member::pkeyGet(array('group_id' => $group->id,
'profile_id' => $profile->id));
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$notice = Notice::saveNew($user->id,
$content,
ActivityPlugin::SOURCE,
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array('rendered' => $rendered,
'groups' => array($group->id),
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'uri' => $mem->getURI(),
'verb' => ActivityVerb::JOIN,
'object_type' => ActivityObject::GROUP));
return true;
}
function onEndLeaveGroup($group, $profile)
{
// Only do this if config is enabled
if(!$this->LeaveGroup) return true;
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$user = $profile->getUser();
if (empty($user)) {
return true;
}
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$rendered = sprintf(_m('<em><a href="%s">%s</a> left the group <a href="%s">%s</a></em>.'),
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$profile->profileurl,
$profile->getBestName(),
$group->homeUrl(),
$group->getBestName());
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$content = sprintf(_m('%s (%s) left the group %s (%s)'),
$profile->getBestName(),
$profile->profileurl,
$group->getBestName(),
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$group->homeUrl());
$uri = TagURI::mint('leave:%d:%d:%s',
$user->id,
$group->id,
common_date_iso8601(common_sql_now()));
$notice = Notice::saveNew($user->id,
$content,
ActivityPlugin::SOURCE,
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array('rendered' => $rendered,
'groups' => array($group->id),
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'uri' => $uri,
'verb' => ActivityVerb::LEAVE,
'object_type' => ActivityObject::GROUP));
return true;
}
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function onStartShowNoticeItem($nli)
{
$notice = $nli->notice;
$adapter = null;
switch ($notice->verb) {
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case ActivityVerb::FAVORITE:
case ActivityVerb::UNFAVORITE:
$adapter = new SystemListItem($nli);
break;
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case ActivityVerb::JOIN:
$adapter = new JoinListItem($nli);
break;
case ActivityVerb::LEAVE:
$adapter = new JoinListItem($nli);
break;
case ActivityVerb::FOLLOW:
$adapter = new FollowListItem($nli);
break;
case ActivityVerb::UNFOLLOW:
$adapter = new UnfollowListItem($nli);
break;
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}
if (!empty($adapter)) {
$adapter->showNotice();
$adapter->showNoticeAttachments();
$adapter->showNoticeInfo();
$adapter->showNoticeOptions();
return false;
}
return true;
}
function onEndNoticeAsActivity($notice, &$activity)
{
switch ($notice->verb) {
case ActivityVerb::FAVORITE:
$fave = Fave::staticGet('uri', $notice->uri);
if (!empty($fave)) {
$notice = Notice::staticGet('id', $fave->notice_id);
if (!empty($notice)) {
$target = $notice->asActivity();
if ($target->verb == ActivityVerb::POST) {
// "I like the thing you posted"
$activity->objects = $target->objects;
} else {
// "I like that you did whatever you did"
$activity->objects = array($target);
}
}
}
break;
case ActivityVerb::UNFAVORITE:
// FIXME: do something here
break;
case ActivityVerb::JOIN:
$mem = Group_member::staticGet('uri', $notice->uri);
if (!empty($mem)) {
$group = $mem->getGroup();
$activity->objects = array(ActivityObject::fromGroup($group));
}
break;
case ActivityVerb::LEAVE:
// FIXME: ????
break;
case ActivityVerb::FOLLOW:
$sub = Subscription::staticGet('uri', $notice->uri);
if (!empty($sub)) {
$profile = Profile::staticGet('id', $sub->subscribed);
if (!empty($profile)) {
$activity->objects = array(ActivityObject::fromProfile($profile));
}
}
break;
case ActivityVerb::UNFOLLOW:
// FIXME: ????
break;
}
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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;
}
}