gnu-social/lib/inboxnoticestream.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* Stream of notices for the user's inbox
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*
* 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/>.
*
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* @category NoticeStream
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 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);
}
/**
* Stream of notices for the user's inbox
*
* @category General
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class InboxNoticeStream extends ScopingNoticeStream
{
/**
* Constructor
*
* @param User $user User to get a stream for
*/
function __construct($user, $profile = -1)
{
if (is_int($profile) && $profile == -1) {
$profile = Profile::current();
}
// Note: we don't use CachingNoticeStream since RawInboxNoticeStream
// uses Inbox::getKV(), which is cached.
parent::__construct(new RawInboxNoticeStream($user), $profile);
}
}
/**
* Raw stream of notices for the user's inbox
*
* @category General
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class RawInboxNoticeStream extends NoticeStream
{
protected $user = null;
protected $inbox = null;
/**
* Constructor
*
* @param User $user User to get a stream for
*/
function __construct($user)
{
$this->user = $user;
$this->inbox = Inbox::getKV('user_id', $user->id);
}
/**
* Get IDs in a range
*
* @param int $offset Offset from start
* @param int $limit Limit of number to get
* @param int $since_id Since this notice
* @param int $max_id Before this notice
*
* @return Array IDs found
*/
function getNoticeIds($offset, $limit, $since_id, $max_id)
{
if (empty($this->inbox)) {
$this->inbox = Inbox::fromNoticeInbox($user_id);
if (empty($this->inbox)) {
return array();
} else {
$this->inbox->encache();
}
}
$ids = $this->inbox->unpack();
if (!empty($since_id)) {
$newids = array();
foreach ($ids as $id) {
if ($id > $since_id) {
$newids[] = $id;
}
}
$ids = $newids;
}
if (!empty($max_id)) {
$newids = array();
foreach ($ids as $id) {
if ($id <= $max_id) {
$newids[] = $id;
}
}
$ids = $newids;
}
$ids = array_slice($ids, $offset, $limit);
return $ids;
}
function getNotices($offset, $limit, $sinceId, $maxId)
{
$all = array();
do {
$ids = $this->getNoticeIds($offset, $limit, $sinceId, $maxId);
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$notices = Notice::pivotGet('id', $ids);
// By default, takes out false values
$notices = array_filter($notices);
$all = array_merge($all, $notices);
if (count($notices < count($ids))) {
$offset += $limit;
$limit -= count($notices);
}
} while (count($notices) < count($ids) && count($ids) > 0);
return new ArrayWrapper($all);
}
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}