<?php // +-----------------------------------------------------------------------+ // | Piwigo - a PHP based photo gallery | // +-----------------------------------------------------------------------+ // | Copyright(C) 2008-2011 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'); } } ?>