gnu-social/lib/subs.php

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<?php
/*
2009-08-25 23:14:12 +01:00
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
*
* 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/>.
*/
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
/* Subscribe user $user to other user $other.
* Note: $other must be a local user, not a remote profile.
* Because the other way is quite a bit more complicated.
*/
function subs_subscribe_to($user, $other)
{
try {
Subscription::start($user->getProfile(), $other);
return true;
} catch (Exception $e) {
return $e->getMessage();
}
}
function subs_unsubscribe_to($user, $other)
{
try {
Subscription::cancel($user->getProfile(), $other);
return true;
} catch (Exception $e) {
return $e->getMessage();
}
}
function subs_unsubscribe_from($user, $other){
$local = User::staticGet("nickname",$other);
if($local){
return subs_unsubscribe_to($local,$user);
} else {
try {
$remote = Profile::staticGet("nickname",$other);
if(is_string($remote)){
return $remote;
}
if (Event::handle('StartUnsubscribe', array($remote,$user))) {
$sub = DB_DataObject::factory('subscription');
$sub->subscriber = $remote->id;
$sub->subscribed = $user->id;
$sub->find(true);
// note we checked for existence above
if (!$sub->delete())
return _('Couldn\'t delete subscription.');
$cache = common_memcache();
if ($cache) {
$cache->delete(common_cache_key('user:notices_with_friends:' . $remote->id));
}
$user->blowSubscribersCount();
$remote->blowSubscribersCount();
Event::handle('EndUnsubscribe', array($remote, $user));
}
} catch (Exception $e) {
return $e->getMessage();
}
}
}