mirror of
https://github.com/YunoHost-Apps/piwigo_ynh.git
synced 2024-09-03 20:06:03 +02:00
620 lines
No EOL
17 KiB
PHP
620 lines
No EOL
17 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based photo gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008-2016 Piwigo Team http://piwigo.org |
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// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
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// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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/**
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* @package functions\category
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*/
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/**
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* Callback used for sorting by global_rank
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*/
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function global_rank_compare($a, $b)
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{
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return strnatcasecmp($a['global_rank'], $b['global_rank']);
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}
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/**
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* Callback used for sorting by rank
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*/
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function rank_compare($a, $b)
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{
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return $a['rank'] - $b['rank'];
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}
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/**
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* Is the category accessible to the connected user ?
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* If the user is not authorized to see this category, script exits
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*
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* @param int $category_id
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*/
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function check_restrictions($category_id)
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{
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global $user;
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// $filter['visible_categories'] and $filter['visible_images']
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// are not used because it's not necessary (filter <> restriction)
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if (in_array($category_id, explode(',', $user['forbidden_categories'])))
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{
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access_denied();
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}
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}
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/**
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* Returns template vars for main categories menu.
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*
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* @return array[]
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*/
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function get_categories_menu()
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{
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global $page, $user, $filter, $conf;
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$query = '
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SELECT ';
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// From CATEGORIES_TABLE
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$query.= '
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id, name, permalink, nb_images, global_rank,';
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// From USER_CACHE_CATEGORIES_TABLE
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$query.= '
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date_last, max_date_last, count_images, count_categories';
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// $user['forbidden_categories'] including with USER_CACHE_CATEGORIES_TABLE
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$query.= '
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FROM '.CATEGORIES_TABLE.' INNER JOIN '.USER_CACHE_CATEGORIES_TABLE.'
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ON id = cat_id and user_id = '.$user['id'];
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// Always expand when filter is activated
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if (!$user['expand'] and !$filter['enabled'])
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{
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$where = '
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(id_uppercat is NULL';
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if (isset($page['category']))
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{
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$where .= ' OR id_uppercat IN ('.$page['category']['uppercats'].')';
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}
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$where .= ')';
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}
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else
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{
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$where = '
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'.get_sql_condition_FandF
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(
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array
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(
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'visible_categories' => 'id',
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),
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null,
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true
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);
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}
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$where = trigger_change('get_categories_menu_sql_where',
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$where, $user['expand'], $filter['enabled'] );
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$query.= '
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WHERE '.$where.'
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;';
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$result = pwg_query($query);
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$cats = array();
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$selected_category = isset($page['category']) ? $page['category'] : null;
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while ($row = pwg_db_fetch_assoc($result))
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{
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$child_date_last = @$row['max_date_last']> @$row['date_last'];
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$row = array_merge($row,
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array(
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'NAME' => trigger_change(
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'render_category_name',
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$row['name'],
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'get_categories_menu'
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),
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'TITLE' => get_display_images_count(
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$row['nb_images'],
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$row['count_images'],
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$row['count_categories'],
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false,
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' / '
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),
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'URL' => make_index_url(array('category' => $row)),
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'LEVEL' => substr_count($row['global_rank'], '.') + 1,
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'SELECTED' => $selected_category['id'] == $row['id'] ? true : false,
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'IS_UPPERCAT' => $selected_category['id_uppercat'] == $row['id'] ? true : false,
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)
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);
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if ($conf['index_new_icon'])
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{
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$row['icon_ts'] = get_icon($row['max_date_last'], $child_date_last);
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}
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$cats[] = $row;
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if ($row['id']==@$page['category']['id']) //save the number of subcats for later optim
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$page['category']['count_categories'] = $row['count_categories'];
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}
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usort($cats, 'global_rank_compare');
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// Update filtered data
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if (function_exists('update_cats_with_filtered_data'))
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{
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update_cats_with_filtered_data($cats);
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}
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return $cats;
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}
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/**
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* Retrieves informations about a category.
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*
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* @param int $id
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* @return array
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*/
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function get_cat_info($id)
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{
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$query = '
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SELECT *
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FROM '.CATEGORIES_TABLE.'
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WHERE id = '.$id.'
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;';
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$cat = pwg_db_fetch_assoc(pwg_query($query));
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if (empty($cat))
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return null;
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foreach ($cat as $k => $v)
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{
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// If the field is true or false, the variable is transformed into a
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// boolean value.
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if ($cat[$k] == 'true' or $cat[$k] == 'false')
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{
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$cat[$k] = get_boolean( $cat[$k] );
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}
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}
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$upper_ids = explode(',', $cat['uppercats']);
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if ( count($upper_ids)==1 )
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{// no need to make a query for level 1
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$cat['upper_names'] = array(
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array(
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'id' => $cat['id'],
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'name' => $cat['name'],
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'permalink' => $cat['permalink'],
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)
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);
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}
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else
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{
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$query = '
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SELECT id, name, permalink
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FROM '.CATEGORIES_TABLE.'
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WHERE id IN ('.$cat['uppercats'].')
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;';
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$names = query2array($query, 'id');
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// category names must be in the same order than uppercats list
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$cat['upper_names'] = array();
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foreach ($upper_ids as $cat_id)
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{
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$cat['upper_names'][] = $names[$cat_id];
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}
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}
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return $cat;
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}
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/**
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* Returns an array of image orders available for users/visitors.
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* Each entry is an array containing
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* 0: name
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* 1: SQL ORDER command
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* 2: visiblity (true or false)
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*
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* @return array[]
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*/
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function get_category_preferred_image_orders()
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{
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global $conf, $page;
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return trigger_change('get_category_preferred_image_orders', array(
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array(l10n('Default'), '', true),
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array(l10n('Photo title, A → Z'), 'name ASC', true),
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array(l10n('Photo title, Z → A'), 'name DESC', true),
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array(l10n('Date created, new → old'), 'date_creation DESC', true),
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array(l10n('Date created, old → new'), 'date_creation ASC', true),
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array(l10n('Date posted, new → old'), 'date_available DESC', true),
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array(l10n('Date posted, old → new'), 'date_available ASC', true),
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array(l10n('Rating score, high → low'), 'rating_score DESC', $conf['rate']),
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array(l10n('Rating score, low → high'), 'rating_score ASC', $conf['rate']),
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array(l10n('Visits, high → low'), 'hit DESC', true),
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array(l10n('Visits, low → high'), 'hit ASC', true),
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array(l10n('Permissions'), 'level DESC', is_admin()),
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));
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}
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/**
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* Assign a template var useable with {html_options} from a list of categories
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*
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* @param array[] $categories (at least id,name,global_rank,uppercats for each)
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* @param int[] $selected ids of selected items
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* @param string $blockname variable name in template
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* @param bool $fullname full breadcrumb or not
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*/
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function display_select_categories($categories,
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$selecteds,
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$blockname,
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$fullname = true)
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{
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global $template;
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$tpl_cats = array();
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foreach ($categories as $category)
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{
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if ($fullname)
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{
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$option = strip_tags(
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get_cat_display_name_cache(
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$category['uppercats'],
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null
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)
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);
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}
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else
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{
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$option = str_repeat(' ',
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(3 * substr_count($category['global_rank'], '.')));
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$option.= '- ';
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$option.= strip_tags(
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trigger_change(
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'render_category_name',
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$category['name'],
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'display_select_categories'
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)
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);
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}
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$tpl_cats[ $category['id'] ] = $option;
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}
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$template->assign( $blockname, $tpl_cats);
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$template->assign( $blockname.'_selected', $selecteds);
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}
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/**
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* Same as display_select_categories but categories are ordered by rank
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* @see display_select_categories()
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*/
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function display_select_cat_wrapper($query,
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$selecteds,
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$blockname,
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$fullname = true)
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{
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$categories = query2array($query);
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usort($categories, 'global_rank_compare');
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display_select_categories($categories, $selecteds, $blockname, $fullname);
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}
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/**
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* Returns all subcategory identifiers of given category ids
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*
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* @param int[] $ids
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* @return int[]
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*/
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function get_subcat_ids($ids)
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{
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$query = '
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SELECT DISTINCT(id)
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FROM '.CATEGORIES_TABLE.'
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WHERE ';
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foreach ($ids as $num => $category_id)
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{
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is_numeric($category_id)
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or trigger_error(
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'get_subcat_ids expecting numeric, not '.gettype($category_id),
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E_USER_WARNING
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);
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if ($num > 0)
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{
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$query.= '
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OR ';
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}
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$query.= 'uppercats '.DB_REGEX_OPERATOR.' \'(^|,)'.$category_id.'(,|$)\'';
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}
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$query.= '
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;';
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return query2array($query, null, 'id');
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}
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/**
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* Finds a matching category id from a potential list of permalinks
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*
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* @param string[] $permalinks
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* @param int &$idx filled with the index in $permalinks that matches
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* @return int|null
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*/
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function get_cat_id_from_permalinks($permalinks, &$idx)
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{
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$in = '';
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foreach($permalinks as $permalink)
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{
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if ( !empty($in) ) $in.=', ';
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$in .= '\''.$permalink.'\'';
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}
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$query ='
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SELECT cat_id AS id, permalink, 1 AS is_old
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FROM '.OLD_PERMALINKS_TABLE.'
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WHERE permalink IN ('.$in.')
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UNION
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SELECT id, permalink, 0 AS is_old
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FROM '.CATEGORIES_TABLE.'
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WHERE permalink IN ('.$in.')
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;';
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$perma_hash = query2array($query, 'permalink');
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if ( empty($perma_hash) )
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return null;
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for ($i=count($permalinks)-1; $i>=0; $i--)
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{
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if ( isset( $perma_hash[ $permalinks[$i] ] ) )
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{
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$idx = $i;
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$cat_id = $perma_hash[ $permalinks[$i] ]['id'];
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if ($perma_hash[ $permalinks[$i] ]['is_old'])
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{
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$query='
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UPDATE '.OLD_PERMALINKS_TABLE.' SET last_hit=NOW(), hit=hit+1
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WHERE permalink=\''.$permalinks[$i].'\' AND cat_id='.$cat_id.'
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LIMIT 1';
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pwg_query($query);
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}
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return $cat_id;
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}
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}
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return null;
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}
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/**
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* Returns display text for images counter of category
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*
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* @param int $cat_nb_images nb images directly in category
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* @param int $cat_count_images nb images in category (including subcats)
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* @param int $cat_count_categories nb subcats
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* @param bool $short_message if true append " in this album"
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* @param string $separator
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* @return string
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*/
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function get_display_images_count($cat_nb_images, $cat_count_images, $cat_count_categories, $short_message = true, $separator = '\n')
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{
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$display_text = '';
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if ($cat_count_images > 0)
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{
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if ($cat_nb_images > 0 and $cat_nb_images < $cat_count_images)
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{
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$display_text.= get_display_images_count($cat_nb_images, $cat_nb_images, 0, $short_message, $separator).$separator;
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$cat_count_images-= $cat_nb_images;
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$cat_nb_images = 0;
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}
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//at least one image direct or indirect
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$display_text.= l10n_dec('%d photo', '%d photos', $cat_count_images);
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if ($cat_count_categories == 0 or $cat_nb_images == $cat_count_images)
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{
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//no descendant categories or descendants do not contain images
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if (!$short_message)
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{
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$display_text.= ' '.l10n('in this album');
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}
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}
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else
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{
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$display_text.= ' '.l10n_dec('in %d sub-album', 'in %d sub-albums', $cat_count_categories);
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}
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}
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return $display_text;
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}
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/**
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* Find a random photo among all photos inside an album (including sub-albums)
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*
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* @param array $category (at least id,uppercats,count_images)
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* @param bool $recursive
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* @return int|null
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*/
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function get_random_image_in_category($category, $recursive=true)
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{
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$image_id = null;
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if ($category['count_images']>0)
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{
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$query = '
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SELECT image_id
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FROM '.CATEGORIES_TABLE.' AS c
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INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON ic.category_id = c.id
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WHERE ';
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if ($recursive)
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{
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$query.= '
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(c.id='.$category['id'].' OR uppercats LIKE \''.$category['uppercats'].',%\')';
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}
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else
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{
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$query.= '
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c.id='.$category['id'];
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}
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$query.= '
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'.get_sql_condition_FandF
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(
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array
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(
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'forbidden_categories' => 'c.id',
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'visible_categories' => 'c.id',
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'visible_images' => 'image_id',
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),
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"\n AND"
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).'
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ORDER BY '.DB_RANDOM_FUNCTION.'()
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LIMIT 1
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;';
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$result = pwg_query($query);
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if (pwg_db_num_rows($result) > 0)
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{
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list($image_id) = pwg_db_fetch_row($result);
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}
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}
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return $image_id;
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}
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/**
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* Get computed array of categories, that means cache data of all categories
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* available for the current user (count_categories, count_images, etc.).
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*
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* @param array &$userdata
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* @param int $filter_days number of recent days to filter on or null
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* @return array
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*/
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function get_computed_categories(&$userdata, $filter_days=null)
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{
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$query = 'SELECT c.id AS cat_id, id_uppercat';
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$query.= ', global_rank';
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// Count by date_available to avoid count null
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$query .= ',
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MAX(date_available) AS date_last, COUNT(date_available) AS nb_images
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FROM '.CATEGORIES_TABLE.' as c
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LEFT JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON ic.category_id = c.id
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LEFT JOIN '.IMAGES_TABLE.' AS i
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ON ic.image_id = i.id
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AND i.level<='.$userdata['level'];
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if ( isset($filter_days) )
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{
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$query .= ' AND i.date_available > '.pwg_db_get_recent_period_expression($filter_days);
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}
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if ( !empty($userdata['forbidden_categories']) )
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{
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$query.= '
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WHERE c.id NOT IN ('.$userdata['forbidden_categories'].')';
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}
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$query.= '
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GROUP BY c.id';
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$result = pwg_query($query);
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$userdata['last_photo_date'] = null;
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$cats = array();
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while ($row = pwg_db_fetch_assoc($result))
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{
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$row['user_id'] = $userdata['id'];
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$row['nb_categories'] = 0;
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$row['count_categories'] = 0;
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$row['count_images'] = (int)$row['nb_images'];
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$row['max_date_last'] = $row['date_last'];
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if ($row['date_last'] > $userdata['last_photo_date'])
|
|
{
|
|
$userdata['last_photo_date'] = $row['date_last'];
|
|
}
|
|
|
|
$cats[$row['cat_id']] = $row;
|
|
}
|
|
|
|
// it is important to logically sort the albums because some operations
|
|
// (like removal) rely on this logical order. Child album doesn't always
|
|
// have a bigger id than its parent (if it was moved afterwards).
|
|
uasort($cats, 'global_rank_compare');
|
|
|
|
foreach ($cats as $cat)
|
|
{
|
|
if ( !isset( $cat['id_uppercat'] ) )
|
|
continue;
|
|
|
|
// Piwigo before 2.5.3 may have generated inconsistent permissions, ie
|
|
// private album A1/A2 permitted to user U1 but private album A1 not
|
|
// permitted to U1.
|
|
//
|
|
// TODO 2.7: add an upgrade script to repair permissions and remove this
|
|
// test
|
|
if ( !isset($cats[ $cat['id_uppercat'] ]))
|
|
continue;
|
|
|
|
$parent = & $cats[ $cat['id_uppercat'] ];
|
|
$parent['nb_categories']++;
|
|
|
|
do
|
|
{
|
|
$parent['count_images'] += $cat['nb_images'];
|
|
$parent['count_categories']++;
|
|
|
|
if ((empty($parent['max_date_last'])) or ($parent['max_date_last'] < $cat['date_last']))
|
|
{
|
|
$parent['max_date_last'] = $cat['date_last'];
|
|
}
|
|
|
|
if ( !isset( $parent['id_uppercat'] ) )
|
|
break;
|
|
$parent = & $cats[$parent['id_uppercat']];
|
|
}
|
|
while (true);
|
|
unset($parent);
|
|
}
|
|
|
|
if ( isset($filter_days) )
|
|
{
|
|
foreach ($cats as $category)
|
|
{
|
|
if (empty($category['max_date_last']))
|
|
{
|
|
remove_computed_category($cats, $category);
|
|
}
|
|
}
|
|
}
|
|
return $cats;
|
|
}
|
|
|
|
/**
|
|
* Removes a category from computed array of categories and updates counters.
|
|
*
|
|
* @param array &$cats
|
|
* @param array $cat category to remove
|
|
*/
|
|
function remove_computed_category(&$cats, $cat)
|
|
{
|
|
if ( isset($cats[$cat['id_uppercat']]) )
|
|
{
|
|
$parent = &$cats[ $cat['id_uppercat'] ];
|
|
$parent['nb_categories']--;
|
|
|
|
do
|
|
{
|
|
$parent['count_images'] -= $cat['nb_images'];
|
|
$parent['count_categories'] -= 1+$cat['count_categories'];
|
|
|
|
if ( !isset($cats[$parent['id_uppercat']]) )
|
|
{
|
|
break;
|
|
}
|
|
$parent = &$cats[$parent['id_uppercat']];
|
|
}
|
|
while (true);
|
|
}
|
|
|
|
unset($cats[$cat['cat_id']]);
|
|
}
|
|
|
|
?>
|