gnu-social/actions/conversation.php

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2009-02-28 23:12:31 +00:00
<?php
/**
* Display a conversation in the browser
*
* PHP version 5
*
* @category Action
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://laconi.ca/
*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) {
exit(1);
}
/**
* Conversation tree in the browser
*
* @category Action
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://laconi.ca/
*/
class ConversationAction extends Action
{
var $id = null;
var $notices = null;
var $page = null;
/**
* Initialization.
*
* @param array $args Web and URL arguments
*
* @return boolean false if id not passed in
*/
function prepare($args)
{
parent::prepare($args);
$this->id = $this->trimmed('id');
if (!$this->id) {
return false;
}
$this->notices = $this->getNotices();
$this->page = $this->trimmed('page');
if (empty($this->page)) {
$this->page = 1;
}
return true;
}
/**
* Get notices
*
* @param integer $limit max number of notices to return
*
* @return array notices
*/
function getNotices($limit=0)
{
$qry = 'SELECT notice.*, '.
'FROM notice WHERE conversation = %d '.
'ORDER BY created ';
$offset = 0;
$limit = NOTICES_PER_PAGE + 1;
if (common_config('db', 'type') == 'pgsql') {
$qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
} else {
$qry .= ' LIMIT ' . $offset . ', ' . $limit;
}
return Notice::getStream(sprintf($qry, $this->id),
'notice:conversation:'.$this->id,
$offset, $limit);
}
function handle($args)
{
$this->showPage();
}
function title()
{
return _("Conversation");
}
function showContent()
{
// FIXME this needs to be a tree, not a list
$nl = new NoticeList($this->notices, $this);
$cnt = $nl->show();
$this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
$this->page, 'conversation', array('id' => $this->id));
}
}