gnu-social/lib/notices/inboxnoticestream.php

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<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
/**
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* Stream of notices for a profile's "all" feed
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*
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* @category NoticeStream
* @package GNUsocial
* @author Evan Prodromou <evan@status.net>
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* @author Mikael Nordfeldth <mmn@hethane.se>
* @author Alexei Sorokin <sor.alexei@meowr.ru>
* @author Stephane Berube <chimo@chromic.org>
* @copyright 2011 StatusNet, Inc.
* @copyright 2014 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
defined('GNUSOCIAL') || die();
/**
* @category General
* @copyright 2011 StatusNet, Inc.
* @copyright 2014 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class InboxNoticeStream extends ScopingNoticeStream
{
/**
* Constructor
*
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* @param Profile $target Profile to get a stream for
* @param Profile $scoped Currently scoped profile (if null, it is fetched)
*/
public function __construct(Profile $target, Profile $scoped = null)
{
parent::__construct(
new CachingNoticeStream(
new RawInboxNoticeStream($target),
'profileall:' . $target->getID(),
false,
true
),
$scoped
);
}
}
/**
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* Raw stream of notices for the target's inbox
*
* @category General
* @copyright 2011 StatusNet, Inc.
* @copyright 2014 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class RawInboxNoticeStream extends FullNoticeStream
{
protected $target = null;
protected $inbox = null;
/**
* Constructor
*
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* @param Profile $target Profile to get a stream for
*/
public function __construct(Profile $target)
{
parent::__construct();
$this->target = $target;
}
/**
* 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 $max_id Before this notice
*
* @return array IDs found
*/
public function getNoticeIds($offset, $limit, $since_id = null, $max_id = null)
{
$inner_notice = new Notice();
$inner_notice->whereAdd(sprintf(
"notice.created >= TIMESTAMP '%s'",
$inner_notice->escape($this->target->created)
));
if (!empty($since_id)) {
$inner_notice->whereAdd("notice.id > {$since_id}");
}
if (!empty($max_id)) {
$inner_notice->whereAdd("notice.id <= {$max_id}");
}
$inner_notice->whereAdd('notice.scope <> ' . Notice::MESSAGE_SCOPE);
self::filterVerbs($inner_notice, $this->selectVerbs);
// The only purpose of this hack is to allow filterVerbs above
$notice_cond = preg_replace(
'/^\s+WHERE\s+/',
'AND ',
$inner_notice->_query['condition']
) . 'ORDER BY notice.id DESC LIMIT ' . ($limit + $offset);
$notice = new Notice();
// Reply:: is a table of mentions
// Subscription:: is a table of subscriptions (every user is subscribed to themselves)
// notice.id will give us even really old posts, which were recently
// imported. For example if a remote instance had problems and just
// managed to post here.
$notice->query(sprintf(
<<<'END'
SELECT DISTINCT id
FROM (
(
SELECT notice.id
FROM notice
INNER JOIN subscription
ON notice.profile_id = subscription.subscribed
WHERE subscription.subscriber = %1$d %2$s
) UNION ALL (
SELECT notice.id
FROM notice
INNER JOIN reply ON notice.id = reply.notice_id
WHERE reply.profile_id = %1$d %2$s
) UNION ALL (
SELECT notice.id
FROM notice
INNER JOIN attention ON notice.id = attention.notice_id
WHERE attention.profile_id = %1$d %2$s
) UNION ALL (
SELECT notice.id
FROM notice
INNER JOIN group_inbox
ON notice.id = group_inbox.notice_id
INNER JOIN group_member
ON group_inbox.group_id = group_member.group_id
WHERE group_member.profile_id = %1$d %2$s
)
) AS t1
ORDER BY id DESC
LIMIT %3$d OFFSET %4$d;
END,
$this->target->getID(),
$notice_cond,
$limit,
$offset
));
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$ret = [];
while ($notice->fetch()) {
$ret[] = $notice->id;
}
return $ret;
}
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}