diff options
Diffstat (limited to 'include/filter.inc.php')
| -rw-r--r-- | include/filter.inc.php | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/include/filter.inc.php b/include/filter.inc.php new file mode 100644 index 000000000..3a1279f94 --- /dev/null +++ b/include/filter.inc.php @@ -0,0 +1,117 @@ +<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery |
+// | Copyright (C) 2006-2007 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch : BSF (Best So Far)
+// | file : $Id: filter.inc.php 1651 2006-12-13 00:05:16Z rub $
+// | last update : $Date: 2006-12-13 01:05:16 +0100 (mer., 13 déc. 2006) $
+// | last modifier : $Author: rub $
+// | revision : $Revision: 1651 $
+// +-----------------------------------------------------------------------+
+// | 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['categories']: Computed data of filtered categories
+// $filter['visible_categories']: List of visible categories (count(visible) < count(forbidden) more often)
+// $filter['visible_images']: List of visible images
+
+
+$filter['enabled'] =
+ (in_array(basename($_SERVER['SCRIPT_FILENAME']), $conf['filter_pages'])) and
+ (
+ (isset($_GET['filter']) and ($_GET['filter'] == 'start')) or
+ pwg_get_session_var('filter_enabled', false)
+ );
+
+if (in_array(basename($_SERVER['SCRIPT_FILENAME']), $conf['filter_pages']))
+{
+ if (isset($_GET['filter']))
+ {
+ $filter['enabled'] = ($_GET['filter'] == 'start');
+ }
+ else
+ {
+ $filter['enabled'] = pwg_get_session_var('filter_enabled', false);
+ }
+}
+else
+{
+ $filter['enabled'] = false;
+}
+
+if ($filter['enabled'])
+{
+ 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['id'], $user['forbidden_categories'], true, $user['recent_period']);
+ $filter['visible_categories'] = implode(',', array_keys($filter['categories']));
+
+ $query ='
+SELECT
+ distinct image_id
+FROM '.
+ IMAGE_CATEGORY_TABLE.' INNER JOIN '.IMAGES_TABLE.' ON image_id = id
+WHERE ';
+ if (!empty($filter['visible_categories']))
+ {
+ $query.= '
+ category_id IN ('.$filter['visible_categories'].') and';
+ }
+ $query.= '
+ date_available > SUBDATE(
+ CURRENT_DATE,INTERVAL '.$user['recent_period'].' DAY)';
+
+ $filter['visible_images'] = implode(',', array_from_query($query, 'image_id'));
+ }
+ 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', '');
+ }
+
+ $header_notes[] = l10n_dec($lang['note_filter_day'], $lang['note_filter_days'], $user['recent_period']);
+}
+else
+{
+ $filter['check_key'] = '';
+ $filter['categories'] = array();
+ $filter['visible_categories'] = '';
+ $filter['visible_images'] = '';
+}
+
+pwg_set_session_var('filter_enabled', $filter['enabled']);
+pwg_set_session_var('filter_check_key', $filter['check_key']);
+pwg_set_session_var('filter_categories', serialize($filter['categories']));
+pwg_set_session_var('filter_visible_categories', $filter['visible_categories']);
+pwg_set_session_var('filter_visible_images', $filter['visible_images']);
+
+?>
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