forked from GNUsocial/gnu-social
89 lines
2.8 KiB
PHP
89 lines
2.8 KiB
PHP
<?php
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/*
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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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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if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
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class SupAction extends Action
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{
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function handle($args)
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{
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parent::handle($args);
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$seconds = $this->trimmed('seconds');
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if (!$seconds) {
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$seconds = 15;
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}
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$updates = $this->getUpdates($seconds);
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header('Content-Type: application/json; charset=utf-8');
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print json_encode(array('updated_time' => date('c'),
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'since_time' => date('c', time() - $seconds),
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'available_periods' => $this->availablePeriods(),
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'period' => $seconds,
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'updates' => $updates));
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}
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function availablePeriods()
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{
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static $periods = array(86400, 43200, 21600, 7200,
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3600, 1800, 600, 300, 120,
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60, 30, 15);
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$available = array();
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foreach ($periods as $period) {
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$available[$period] = common_local_url('sup',
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array('seconds' => $period));
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}
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return $available;
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}
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function getUpdates($seconds)
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{
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$notice = new Notice();
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# XXX: cache this. Depends on how big this protocol becomes;
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# Re-doing this query every 15 seconds is not the end of the world.
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$divider = common_sql_date(time() - $seconds);
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$notice->query('SELECT profile_id, max(id) AS max_id ' .
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'FROM notice ' .
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((common_config('db','type') == 'pgsql') ?
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'WHERE extract(epoch from created) > (extract(epoch from now()) - ' . $seconds . ') ' :
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'WHERE created > "'.$divider.'" ' ) .
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'GROUP BY profile_id');
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$updates = array();
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while ($notice->fetch()) {
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$updates[] = array($notice->profile_id, $notice->max_id);
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}
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return $updates;
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}
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function isReadOnly($args)
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{
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return true;
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}
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}
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