44bcc942b8
Rearchitect (again!) notice stream code to delegate different functionality up and down the stack. Now, different classes implement NoticeStream.
101 lines
2.9 KiB
PHP
101 lines
2.9 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2011, StatusNet, Inc.
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*
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* A stream of notices
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*
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* PHP version 5
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*
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* This program 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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* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Stream
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* Class for notice streams
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*
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* @category Stream
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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abstract class NoticeStream
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{
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abstract function getNoticeIds($offset, $limit, $sinceId, $maxId);
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function getNotices($offset=0, $limit=20, $sinceId=0, $maxId=0)
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{
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$ids = $this->getNoticeIds($offset, $limit, $sinceId, $maxId);
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$notices = self::getStreamByIds($ids);
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return $notices;
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}
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static function getStreamByIds($ids)
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{
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$cache = Cache::instance();
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if (!empty($cache)) {
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$notices = array();
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foreach ($ids as $id) {
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$n = Notice::staticGet('id', $id);
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if (!empty($n)) {
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$notices[] = $n;
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}
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}
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return new ArrayWrapper($notices);
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} else {
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$notice = new Notice();
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if (empty($ids)) {
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//if no IDs requested, just return the notice object
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return $notice;
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}
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$notice->whereAdd('id in (' . implode(', ', $ids) . ')');
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$notice->find();
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$temp = array();
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while ($notice->fetch()) {
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$temp[$notice->id] = clone($notice);
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}
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$wrapped = array();
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foreach ($ids as $id) {
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if (array_key_exists($id, $temp)) {
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$wrapped[] = $temp[$id];
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}
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}
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return new ArrayWrapper($wrapped);
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}
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}
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}
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