99a9a5d850
This improves performance on PostgreSQL.
173 lines
5.6 KiB
PHP
173 lines
5.6 KiB
PHP
<?php
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Stream of notices for a profile's "all" feed
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*
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* @category NoticeStream
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* @package GNUsocial
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* @author Evan Prodromou <evan@status.net>
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* @author Mikael Nordfeldth <mmn@hethane.se>
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* @author Alexei Sorokin <sor.alexei@meowr.ru>
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* @author Stephane Berube <chimo@chromic.org>
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* @copyright 2011 StatusNet, Inc.
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* @copyright 2014 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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defined('GNUSOCIAL') || die();
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/**
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* @category General
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* @copyright 2011 StatusNet, Inc.
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* @copyright 2014 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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class InboxNoticeStream extends ScopingNoticeStream
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{
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/**
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* Constructor
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*
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* @param Profile $target Profile to get a stream for
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* @param Profile $scoped Currently scoped profile (if null, it is fetched)
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*/
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public function __construct(Profile $target, Profile $scoped = null)
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{
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parent::__construct(
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new CachingNoticeStream(
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new RawInboxNoticeStream($target),
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'profileall:' . $target->getID(),
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false,
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true
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),
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$scoped
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);
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}
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}
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/**
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* Raw stream of notices for the target's inbox
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*
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* @category General
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* @copyright 2011 StatusNet, Inc.
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* @copyright 2014 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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class RawInboxNoticeStream extends FullNoticeStream
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{
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protected $target = null;
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protected $inbox = null;
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/**
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* Constructor
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*
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* @param Profile $target Profile to get a stream for
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*/
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public function __construct(Profile $target)
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{
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parent::__construct();
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$this->target = $target;
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}
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/**
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* Get IDs in a range
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*
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* @param int $offset Offset from start
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* @param int $limit Limit of number to get
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* @param int $since_id Since this notice
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* @param int $max_id Before this notice
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*
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* @return array IDs found
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*/
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public function getNoticeIds($offset, $limit, $since_id = null, $max_id = null)
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{
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$inner_notice = new Notice();
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$inner_notice->whereAdd(sprintf(
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"notice.created >= TIMESTAMP '%s'",
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$inner_notice->escape($this->target->created)
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));
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if (!empty($since_id)) {
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$inner_notice->whereAdd("notice.id > {$since_id}");
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}
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if (!empty($max_id)) {
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$inner_notice->whereAdd("notice.id <= {$max_id}");
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}
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$inner_notice->whereAdd('notice.scope <> ' . Notice::MESSAGE_SCOPE);
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self::filterVerbs($inner_notice, $this->selectVerbs);
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// The only purpose of this hack is to allow filterVerbs above
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$notice_cond = preg_replace(
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'/^\s+WHERE\s+/',
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'AND ',
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$inner_notice->_query['condition']
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) . 'ORDER BY notice.id DESC LIMIT ' . ($limit + $offset);
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$notice = new Notice();
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// Reply:: is a table of mentions
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// Subscription:: is a table of subscriptions (every user is subscribed to themselves)
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// notice.id will give us even really old posts, which were recently
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// imported. For example if a remote instance had problems and just
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// managed to post here.
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$notice->query(sprintf(
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<<<'END'
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SELECT id
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FROM (
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(
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SELECT notice.id
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FROM notice
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INNER JOIN subscription
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ON notice.profile_id = subscription.subscribed
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WHERE subscription.subscriber = %1$d %2$s
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) UNION ALL (
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SELECT notice.id
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FROM notice
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INNER JOIN reply ON notice.id = reply.notice_id
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WHERE reply.profile_id = %1$d %2$s
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) UNION ALL (
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SELECT notice.id
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FROM notice
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INNER JOIN attention ON notice.id = attention.notice_id
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WHERE attention.profile_id = %1$d %2$s
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) UNION ALL (
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SELECT notice.id
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FROM notice
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INNER JOIN group_inbox
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ON notice.id = group_inbox.notice_id
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INNER JOIN group_member
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ON group_inbox.group_id = group_member.group_id
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WHERE group_member.profile_id = %1$d %2$s
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)
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) AS t1
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ORDER BY id DESC
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LIMIT %3$d OFFSET %4$d;
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END,
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$this->target->getID(),
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$notice_cond,
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$limit,
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$offset
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));
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$ret = [];
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while ($notice->fetch()) {
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$ret[] = $notice->id;
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}
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return $ret;
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}
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}
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