forked from GNUsocial/gnu-social
91 lines
2.9 KiB
PHP
91 lines
2.9 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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defined('GNUSOCIAL') || die();
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// @todo FIXME: documentation needed.
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class SupAction extends Action
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{
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public function handle()
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{
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parent::handle();
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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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public 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(
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'sup',
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['seconds' => $period]
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);
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}
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return $available;
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}
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public function getUpdates($seconds)
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{
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$notice = new Notice();
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// XXX: cache this. Depends on how big this protocol becomes;
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// Re-doing this query every 15 seconds isn't the end of the world.
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$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 ( ' .
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'SELECT profile_id, id 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 > TIMESTAMP '" . $divider . "' ") .
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') AS latest ' .
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'GROUP BY profile_id');
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$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 $updates;
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}
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public function isReadOnly($args)
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{
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return true;
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}
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}
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