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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* When a new user registers, all existing users follow them automatically.
*
* 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 Community
* @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);
}
/**
* Plugin to make all users follow each other at registration
*
* Users can unfollow afterwards if they want.
*
* @category Sample
* @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 FollowEveryonePlugin extends Plugin
{
/**
* Called when a new user is registered.
*
* We find all users, and try to subscribe them to the new user, and
* the new user to them. Exceptions (like silenced users or whatever)
* are caught, logged, and ignored.
*
* @param Profile &$newProfile The new user's profile
* @param User &$newUser The new user
*
* @return boolean hook value
*
*/
function onEndUserRegister(&$newProfile, &$newUser)
{
$otherUser = new User();
$otherUser->whereAdd('id != ' . $newUser->id);
if ($otherUser->find()) {
while ($otherUser->fetch()) {
$otherProfile = $otherUser->getProfile();
try {
if (User_followeveryone_prefs::followEveryone($otherUser->id)) {
Subscription::start($otherProfile, $newProfile);
}
Subscription::start($newProfile, $otherProfile);
} catch (Exception $e) {
common_log(LOG_WARNING, $e->getMessage());
continue;
}
}
}
$ufep = new User_followeveryone_prefs();
$ufep->user_id = $newUser->id;
$ufep->followeveryone = true;
$ufep->insert();
return true;
}
/**
* Database schema setup
*
* Plugins can add their own tables to the StatusNet database. Plugins
* should use StatusNet's schema interface to add or delete tables. The
* ensureTable() method provides an easy way to ensure a table's structure
* and availability.
*
* By default, the schema is checked every time StatusNet is run (say, when
* a Web page is hit). Admins can configure their systems to only check the
* schema when the checkschema.php script is run, greatly improving performance.
* However, they need to remember to run that script after installing or
* upgrading a plugin!
*
* @see Schema
* @see ColumnDef
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onCheckSchema()
{
$schema = Schema::get();
// For storing user-submitted flags on profiles
$schema->ensureTable('user_followeveryone_prefs',
array(new ColumnDef('user_id', 'integer', null,
true, 'PRI'),
new ColumnDef('followeveryone', 'tinyint', null,
false, null, 1)));
return true;
}
/**
* Load related modules when needed
*
* @param string $cls Name of the class to be loaded
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls)
{
case 'User_followeveryone_prefs':
include_once $dir . '/'.$cls.'.php';
return false;
default:
return true;
}
}
/**
* Show a checkbox on the profile form to ask whether to follow everyone
*
* @param Action $action The action being executed
*
* @return boolean hook value
*/
function onEndProfileFormData($action)
{
$user = common_current_user();
$action->elementStart('li');
// TRANS: Checkbox label in form for profile settings.
$action->checkbox('followeveryone', _('Follow everyone'),
($action->arg('followeveryone')) ?
$action->arg('followeveryone') :
User_followeveryone_prefs::followEveryone($user->id));
$action->elementEnd('li');
return true;
}
/**
* Save checkbox value for following everyone
*
* @param Action $action The action being executed
*
* @return boolean hook value
*/
function onEndProfileSaveForm($action)
{
$user = common_current_user();
User_followeveryone_prefs::savePref($user->id,
$action->boolean('followeveryone'));
return true;
}
/**
* Provide version information about this plugin.
*
* @param Array &$versions Array of version data
*
* @return boolean hook value
*
*/
function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'FollowEveryone',
'version' => STATUSNET_VERSION,
'author' => 'Evan Prodromou',
'homepage' => 'http://status.net/wiki/Plugin:FollowEveryone',
'rawdescription' =>
_m('New users follow everyone at registration and are followed in return.'));
return true;
}
}
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