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<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based picture gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2010 Piwigo Team http://piwigo.org |
// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
// +-----------------------------------------------------------------------+
// | 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. |
// +-----------------------------------------------------------------------+
// $filter['enabled']: Filter is enabled
// $filter['recent_period']: Recent period used to computed filter data
// $filter['categories']: Computed data of filtered categories
// $filter['visible_categories']:
// List of visible categories (count(visible) < count(forbidden) more often)
// $filter['visible_images']: List of visible images
if (!get_filter_page_value('cancel'))
{
if (isset($_GET['filter']))
{
$filter['matches'] = array();
$filter['enabled'] =
preg_match('/^start-recent-(\d+)$/', $_GET['filter'], $filter['matches']) === 1;
}
else
{
$filter['enabled'] = pwg_get_session_var('filter_enabled', false);
}
}
else
{
$filter['enabled'] = false;
}
if ($filter['enabled'])
{
$filter_key = pwg_get_session_var('filter_check_key', array('user'=>0,'recent_period'=>-1, 'time'=>0, 'date'=> '') );
if (isset($filter['matches']))
{
$filter['recent_period'] = $filter['matches'][1];
}
else
{
$filter['recent_period'] = $filter_key['recent_period']>0 ? $filter_key['recent_period'] : $user['recent_period'];
}
if (
// New filter
!pwg_get_session_var('filter_enabled', false) or
// Cache data updated
$filter_key['time'] <= $user['cache_update_time'] or
// Date, period, user are changed
$filter_key['user'] != $user['id'] or
$filter_key['recent_period'] != $filter['recent_period'] or
$filter_key['date'] != date('Ymd')
)
{
// Need to compute dats
$filter_key = array(
'user'=>(int)$user['id'],'recent_period'=>(int)$filter['recent_period'], 'time'=>time(), 'date'=> date('Ymd')
);
$filter['categories'] = get_computed_categories($user, (int)$filter['recent_period']);
$filter['visible_categories'] = implode(',', array_keys($filter['categories']));
if (empty($filter['visible_categories']))
{
// Must be not empty
$filter['visible_categories'] = -1;
}
$query ='
SELECT
distinct image_id
FROM '.
IMAGE_CATEGORY_TABLE.' INNER JOIN '.IMAGES_TABLE.' ON image_id = id
WHERE ';
if (!empty($filter['visible_categories']))
{
$query.= '
category_id IN ('.$filter['visible_categories'].') and';
}
$query.= '
date_available >= '.pwg_db_get_recent_period_expression($filter['recent_period']);
$filter['visible_images'] = implode(',', array_from_query($query, 'image_id'));
if (empty($filter['visible_images']))
{
// Must be not empty
$filter['visible_images'] = -1;
}
// Save filter data on session
pwg_set_session_var('filter_enabled', $filter['enabled']);
pwg_set_session_var('filter_check_key', $filter_key);
pwg_set_session_var('filter_categories', serialize($filter['categories']));
pwg_set_session_var('filter_visible_categories', $filter['visible_categories']);
pwg_set_session_var('filter_visible_images', $filter['visible_images']);
}
else
{
// Read only data
$filter['categories'] = unserialize(pwg_get_session_var('filter_categories', serialize(array())));
$filter['visible_categories'] = pwg_get_session_var('filter_visible_categories', '');
$filter['visible_images'] = pwg_get_session_var('filter_visible_images', '');
}
unset($filter_key);
if (get_filter_page_value('add_notes'))
{
$header_notes[] = l10n_dec('Photos posted within the last %d day.', 'Photos posted within the last %d days.', $filter['recent_period']);
}
include_once(PHPWG_ROOT_PATH.'include/functions_filter.inc.php');
}
else
{
if (pwg_get_session_var('filter_enabled', false))
{
pwg_unset_session_var('filter_enabled');
pwg_unset_session_var('filter_check_key');
pwg_unset_session_var('filter_categories');
pwg_unset_session_var('filter_visible_categories');
pwg_unset_session_var('filter_visible_images');
}
}
?>
|
