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<?php
// +-----------------------------------------------------------------------+
// | PhpWebGallery - a PHP based picture gallery |
// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
// | Copyright (C) 2003-2008 PhpWebGallery Team - http://phpwebgallery.net |
// +-----------------------------------------------------------------------+
// | file : $Id$
// | last update : $Date$
// | last modifier : $Author$
// | revision : $Revision$
// +-----------------------------------------------------------------------+
// | This program is free software; you can redistribute it and/or modify |
// | it under the terms of the GNU General Public License as published by |
// | the Free Software Foundation |
// | |
// | 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 |
// | General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
define('PHPWG_ROOT_PATH','./');
include_once(PHPWG_ROOT_PATH.'include/common.inc.php');
include_once(PHPWG_ROOT_PATH.'include/functions_notification.inc.php');
// +-----------------------------------------------------------------------+
// | functions |
// +-----------------------------------------------------------------------+
/**
* creates a Unix timestamp (number of seconds since 1970-01-01 00:00:00
* GMT) from a MySQL datetime format (2005-07-14 23:01:37)
*
* @param string mysql datetime format
* @return int timestamp
*/
function mysqldt_to_ts($mysqldt)
{
$date = explode_mysqldt($mysqldt);
return mktime($date['hour'], $date['minute'], $date['second'],
$date['month'], $date['day'], $date['year']);
}
/**
* creates an ISO 8601 format date (2003-01-20T18:05:41+04:00) from Unix
* timestamp (number of seconds since 1970-01-01 00:00:00 GMT)
*
* function copied from Dotclear project http://dotclear.net
*
* @param int timestamp
* @return string ISO 8601 date format
*/
function ts_to_iso8601($ts)
{
$tz = date('O',$ts);
$tz = substr($tz, 0, -2).':'.substr($tz, -2);
return date('Y-m-d\\TH:i:s',$ts).$tz;
}
// +-----------------------------------------------------------------------+
// | initialization |
// +-----------------------------------------------------------------------+
$feed_id= isset($_GET['feed']) ? $_GET['feed'] : '';
$image_only=isset($_GET['image_only']);
// echo '<pre>'.generate_key(50).'</pre>';
if ( !empty($feed_id) )
{
$query = '
SELECT user_id,
last_check
FROM '.USER_FEED_TABLE.'
WHERE id = \''.$feed_id.'\'
;';
$feed_row = mysql_fetch_assoc(pwg_query($query));
if ( empty($feed_row) )
{
page_not_found('Unknown/missing feed identifier');
}
if ($feed_row['user_id']!=$user['id'])
{ // new user
$user = build_user( $feed_row['user_id'], true );
}
}
else
{
$image_only = true;
if (!is_a_guest())
{// auto session was created - so switch to guest
$user = build_user( $conf['guest_id'], true );
}
}
// Check the status now after the user has been loaded
check_status(ACCESS_GUEST);
list($dbnow) = mysql_fetch_row(pwg_query('SELECT NOW();'));
include_once(PHPWG_ROOT_PATH.'include/feedcreator.class.php');
set_make_full_url();
$rss = new UniversalFeedCreator();
$rss->encoding=get_pwg_charset();
$rss->title = $conf['gallery_title'];
$rss->title.= ' (as '.$user['username'].')';
$rss->link = $conf['gallery_url'];
// +-----------------------------------------------------------------------+
// | Feed creation |
// +-----------------------------------------------------------------------+
$news = array();
if (!$image_only)
{
$news = news($feed_row['last_check'], $dbnow, true, true);
if (count($news) > 0)
{
$item = new FeedItem();
$item->title = sprintf(l10n('New on %s'),
format_date($dbnow, 'mysql_datetime') );
$item->link = $conf['gallery_url'];
// content creation
$item->description = '<ul>';
foreach ($news as $line)
{
$item->description.= '<li>'.$line.'</li>';
}
$item->description.= '</ul>';
$item->descriptionHtmlSyndicated = true;
$item->date = mysqldt_to_ts($dbnow);
$item->author = 'PhpWebGallery notifier';
$item->guid= sprintf('%s', $dbnow);;
$rss->addItem($item);
$query = '
UPDATE '.USER_FEED_TABLE.'
SET last_check = \''.$dbnow.'\'
WHERE id = \''.$feed_id.'\'
;';
pwg_query($query);
}
}
if ( !empty($feed_id) and empty($news) )
{// update the last check from time to time to avoid deletion by maintenance tasks
if ( !isset($feed_row['last_check'])
or time()-mysqldt_to_ts($feed_row['last_check']) > 30*24*3600 )
{
$query = '
UPDATE '.USER_FEED_TABLE.'
SET last_check = DATE_ADD(\''.$dbnow.'\', INTERVAL -15 DAY )
WHERE id = \''.$feed_id.'\'
;';
pwg_query($query);
}
}
$dates = get_recent_post_dates_array($conf['recent_post_dates']['RSS']);
foreach($dates as $date_detail)
{ // for each recent post date we create a feed item
$item = new FeedItem();
$date = $date_detail['date_available'];
$item->title = get_title_recent_post_date($date_detail);
$item->link = make_index_url(
array(
'chronology_field' => 'posted',
'chronology_style'=> 'monthly',
'chronology_view' => 'calendar',
'chronology_date' => explode('-', substr($date,0,10) )
)
);
$item->description .=
'<a href="'.make_index_url().'">'.$conf['gallery_title'].'</a><br/> ';
$item->description .= get_html_description_recent_post_date($date_detail);
$item->descriptionHtmlSyndicated = true;
$item->date = mysqldt_to_ts($date);
$item->author = 'PhpWebGallery notifier';
$item->guid= sprintf('%s', 'pics-'.$date);;
$rss->addItem($item);
}
$fileName= $conf['local_data_dir'].'/tmp';
@mkdir($fileName); // just in case
$fileName.='/feed.xml';
// send XML feed
echo $rss->saveFeed('RSS2.0', $fileName, true);
?>
|
