gnu-social/plugins/Bookmark/noticebyurl.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Notice stream of notices with a given attachment
*
* PHP version 5
*
* 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/>.
*
* @category Bookmark
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* List notices that contain/link to/use a given URL
*
* @category Bookmark
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class NoticebyurlAction extends Action
{
protected $url = null;
protected $file = null;
protected $notices = null;
protected $page = null;
/**
* For initializing members of the class.
*
* @param array $argarray misc. arguments
*
* @return boolean true
*/
function prepare($argarray)
{
parent::prepare($argarray);
$this->file = File::staticGet('id', $this->trimmed('id'));
if (empty($this->file)) {
throw new ClientException(_m('Unknown URL'));
}
$pageArg = $this->trimmed('page');
$this->page = (empty($pageArg)) ? 1 : intval($pageArg);
$this->notices = $this->file->stream(($this->page - 1) * NOTICES_PER_PAGE,
NOTICES_PER_PAGE + 1);
return true;
}
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/**
* Title of the page
*
* @return string page title
*/
function title()
{
if ($this->page == 1) {
return sprintf(_m("Notices linking to %s"), $this->file->url);
} else {
return sprintf(_m("Notices linking to %1$s, page %2$d"),
$this->file->url,
$this->page);
}
}
/**
* Handler method
*
* @param array $argarray is ignored since it's now passed in in prepare()
*
* @return void
*/
function handle($argarray=null)
{
$this->showPage();
}
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/**
* Show main page content.
*
* Shows a list of the notices that link to the given URL
*
* @return void
*/
function showContent()
{
$nl = new NoticeList($this->notices, $this);
$nl->show();
$cnt = $nl->show();
$this->pagination($this->page > 1,
$cnt > NOTICES_PER_PAGE,
$this->page,
'noticebyurl',
array('id' => $this->file->id));
}
/**
* Return true if read only.
*
* MAY override
*
* @param array $args other arguments
*
* @return boolean is read only action?
*/
function isReadOnly($args)
{
return true;
}
/**
* Return last modified, if applicable.
*
* MAY override
*
* @return string last modified http header
*/
function lastModified()
{
// For comparison with If-Last-Modified
// If not applicable, return null
return null;
}
/**
* Return etag, if applicable.
*
* MAY override
*
* @return string etag http header
*/
function etag()
{
return null;
}
}