diff options
Diffstat (limited to 'BSF/include/filter.inc.php')
| -rw-r--r-- | BSF/include/filter.inc.php | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/BSF/include/filter.inc.php b/BSF/include/filter.inc.php new file mode 100644 index 000000000..b77ddca98 --- /dev/null +++ b/BSF/include/filter.inc.php @@ -0,0 +1,141 @@ +<?php +// +-----------------------------------------------------------------------+ +// | Piwigo - a PHP based picture gallery | +// +-----------------------------------------------------------------------+ +// | Copyright(C) 2008 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['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'); + } +} + + +?> |