<?php // +-----------------------------------------------------------------------+ // | PhpWebGallery - a PHP based picture gallery | // | Copyright (C) 2006-2007 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. | // +-----------------------------------------------------------------------+ // global variable for filter $filter = array(); // $filter['enabled']: Filter is enabled // $filter['check_key']: Check key to valitade computed filter data // $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']) { if (isset($filter['matches'])) { $filter['recent_period'] = $filter['matches'][1]; } else { $filter['recent_period'] = pwg_get_session_var('filter_recent_period', $user['recent_period']); } if ( // New filter !pwg_get_session_var('filter_enabled', false) or // Cache data updated $user['need_update_done'] or // Date, period, user are changed (pwg_get_session_var('filter_check_key', '') != get_filter_check_key()) ) { // Need to compute dats $filter['check_key'] = get_filter_check_key(); $filter['categories'] = get_computed_categories($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'; } $query.= ' date_available >= SUBDATE( CURRENT_DATE,INTERVAL '.$filter['recent_period'].' DAY)'; $filter['visible_images'] = implode(',', array_from_query($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['check_key']); pwg_set_session_var('filter_recent_period', $filter['recent_period']); pwg_set_session_var('filter_categories', serialize($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['check_key'] = pwg_get_session_var('filter_check_key', ''); $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', ''); } if (get_filter_page_value('add_notes')) { $header_notes[] = l10n_dec('note_filter_day', 'note_filter_days', $filter['recent_period']); } } 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_recent_period'); pwg_unset_session_var('filter_categories'); pwg_unset_session_var('filter_visible_categories'); pwg_unset_session_var('filter_visible_images'); } } ?>