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piwigo/admin/include/functions.php
plegall bea45c89b6 feature 2564: redesign on photo administration screen. 
* one screen with several tabs (for now: properties + coi)

* double select boxes for album associations and representation have been
  converted to simple multiple select boxes with jQuery Chosen

* more details about the photo in an introduction text


git-svn-id: http://piwigo.org/svn/trunk@13077 68402e56-0260-453c-a942-63ccdbb3a9ee
2012-02-10 10:52:07 +00:00

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<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2012 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. |
// +-----------------------------------------------------------------------+
include(PHPWG_ROOT_PATH.'admin/include/functions_metadata.php');
// The function delete_site deletes a site and call the function
// delete_categories for each primary category of the site
function delete_site( $id )
{
// destruction of the categories of the site
$query = '
SELECT id
FROM '.CATEGORIES_TABLE.'
WHERE site_id = '.$id.'
;';
$result = pwg_query($query);
$category_ids = array();
while ($row = pwg_db_fetch_assoc($result))
{
array_push($category_ids, $row['id']);
}
delete_categories($category_ids);
// destruction of the site
$query = '
DELETE FROM '.SITES_TABLE.'
WHERE id = '.$id.'
;';
pwg_query($query);
}
// The function delete_categories deletes the categories identified by the
// (numeric) key of the array $ids. It also deletes (in the database) :
// - all the elements physically linked to the category (delete_elements, see further)
// - all the links between elements and this category
// - all the restrictions linked to the category
// The function works recursively.
//
// the $photo_deletion_mode is for photos virtually linked to the categorty
// * no_delete : delete no photo, may create orphans
// * delete_orphans : delete photos that are no longer linked to any category
// * force_delete : delete photos even if they are linked to another category
function delete_categories($ids, $photo_deletion_mode='no_delete')
{
if (count($ids) == 0)
{
return;
}
// add sub-category ids to the given ids : if a category is deleted, all
// sub-categories must be so
$ids = get_subcat_ids($ids);
// destruction of all photos physically linked to the category
$query = '
SELECT id
FROM '.IMAGES_TABLE.'
WHERE storage_category_id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
$result = pwg_query($query);
$element_ids = array();
while ($row = pwg_db_fetch_assoc($result))
{
array_push($element_ids, $row['id']);
}
delete_elements($element_ids);
// now, should we delete photos that are virtually linked to the category?
if ('delete_orphans' == $photo_deletion_mode or 'force_delete' == $photo_deletion_mode)
{
$query = '
SELECT
DISTINCT(image_id)
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE category_id IN ('.implode(',', $ids).')
;';
$image_ids_linked = array_from_query($query, 'image_id');
if (count($image_ids_linked) > 0)
{
if ('delete_orphans' == $photo_deletion_mode)
{
$query = '
SELECT
DISTINCT(image_id)
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE image_id IN ('.implode(',', $image_ids_linked).')
AND category_id NOT IN ('.implode(',', $ids).')
;';
$image_ids_not_orphans = array_from_query($query, 'image_id');
$image_ids_to_delete = array_diff($image_ids_linked, $image_ids_not_orphans);
}
if ('force_delete' == $photo_deletion_mode)
{
$image_ids_to_delete = $image_ids_linked;
}
delete_elements($image_ids_to_delete, true);
}
}
// destruction of the links between images and this category
$query = '
DELETE FROM '.IMAGE_CATEGORY_TABLE.'
WHERE category_id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
pwg_query($query);
// destruction of the access linked to the category
$query = '
DELETE FROM '.USER_ACCESS_TABLE.'
WHERE cat_id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
pwg_query($query);
$query = '
DELETE FROM '.GROUP_ACCESS_TABLE.'
WHERE cat_id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
pwg_query($query);
// destruction of the category
$query = '
DELETE FROM '.CATEGORIES_TABLE.'
WHERE id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
pwg_query($query);
$query='
DELETE FROM '.OLD_PERMALINKS_TABLE.'
WHERE cat_id IN ('.implode(',',$ids).')';
pwg_query($query);
$query='
DELETE FROM '.USER_CACHE_CATEGORIES_TABLE.'
WHERE cat_id IN ('.implode(',',$ids).')';
pwg_query($query);
trigger_action('delete_categories', $ids);
}
// Deletes all files (on disk) related to given image ids
// @return image ids where files are deleted successfully
function delete_element_files($ids)
{
if (count($ids) == 0)
{
return 0;
}
$new_ids = array();
$query = '
SELECT
id,
path,
representative_ext
FROM '.IMAGES_TABLE.'
WHERE id IN ('.implode(',', $ids).')
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
if (url_is_remote($row['path']))
{
continue;
}
$files = array();
$files[] = get_element_path($row);
if (!empty($row['representative_ext']))
{
$files[] = original_to_representative( $files[0], $row['representative_ext']);
}
$ok = true;
if (!isset($conf['never_delete_originals']))
{
foreach ($files as $path)
{
if (is_file($path) and !unlink($path))
{
$ok = false;
trigger_error('"'.$path.'" cannot be removed', E_USER_WARNING);
break;
}
}
}
if ($ok)
{
delete_element_derivatives($row);
$new_ids[] += $row['id'];
}
else
{
break;
}
}
return $new_ids;
}
// The function delete_elements deletes the elements identified by the
// (numeric) values of the array $ids. It also deletes (in the database) :
// - all the comments related to elements
// - all the links between categories and elements
// - all the favorites associated to elements
// @return number of deleted elements
function delete_elements($ids, $physical_deletion=false)
{
if (count($ids) == 0)
{
return 0;
}
trigger_action('begin_delete_elements', $ids);
if ($physical_deletion)
{
$ids = delete_element_files($ids);
if (count($ids)==0)
{
return 0;
}
}
// destruction of the comments on the image
$query = '
DELETE FROM '.COMMENTS_TABLE.'
WHERE image_id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
pwg_query($query);
// destruction of the links between images and this category
$query = '
DELETE FROM '.IMAGE_CATEGORY_TABLE.'
WHERE image_id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
pwg_query($query);
// destruction of the links between images and tags
$query = '
DELETE FROM '.IMAGE_TAG_TABLE.'
WHERE image_id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
pwg_query($query);
// destruction of the favorites associated with the picture
$query = '
DELETE FROM '.FAVORITES_TABLE.'
WHERE image_id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
pwg_query($query);
// destruction of the rates associated to this element
$query = '
DELETE FROM '.RATE_TABLE.'
WHERE element_id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
pwg_query($query);
// destruction of the rates associated to this element
$query = '
DELETE FROM '.CADDIE_TABLE.'
WHERE element_id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
pwg_query($query);
// destruction of the image
$query = '
DELETE FROM '.IMAGES_TABLE.'
WHERE id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
pwg_query($query);
// are the photo used as category representant?
$query = '
SELECT
id
FROM '.CATEGORIES_TABLE.'
WHERE representative_picture_id IN (
'.wordwrap(implode(', ', $ids), 80, "\n").')
;';
$category_ids = array_from_query($query, 'id');
if (count($category_ids) > 0)
{
update_category($category_ids);
}
trigger_action('delete_elements', $ids);
return count($ids);
}
// The delete_user function delete a user identified by the $user_id
// It also deletes :
// - all the access linked to this user
// - all the links to any group
// - all the favorites linked to this user
// - calculated permissions linked to the user
// - all datas about notifications for the user
function delete_user($user_id)
{
global $conf;
$tables = array(
// destruction of the access linked to the user
USER_ACCESS_TABLE,
// destruction of data notification by mail for this user
USER_MAIL_NOTIFICATION_TABLE,
// destruction of data RSS notification for this user
USER_FEED_TABLE,
// deletion of calculated permissions linked to the user
USER_CACHE_TABLE,
// deletion of computed cache data linked to the user
USER_CACHE_CATEGORIES_TABLE,
// destruction of the group links for this user
USER_GROUP_TABLE,
// destruction of the favorites associated with the user
FAVORITES_TABLE,
// destruction of the caddie associated with the user
CADDIE_TABLE,
// deletion of piwigo specific informations
USER_INFOS_TABLE,
);
foreach ($tables as $table)
{
$query = '
DELETE FROM '.$table.'
WHERE user_id = '.$user_id.'
;';
pwg_query($query);
}
// destruction of the user
$query = '
DELETE FROM '.SESSIONS_TABLE.'
WHERE data LIKE \'pwg_uid|i:'.(int)$user_id.';%\'
;';
pwg_query($query);
// destruction of the user
$query = '
DELETE FROM '.USERS_TABLE.'
WHERE '.$conf['user_fields']['id'].' = '.$user_id.'
;';
pwg_query($query);
trigger_action('delete_user', $user_id);
}
/**
* Deletes all tags linked to no photo
*/
function delete_orphan_tags()
{
$orphan_tags = get_orphan_tags();
if (count($orphan_tags) > 0)
{
$orphan_tag_ids = array();
foreach ($orphan_tags as $tag)
{
array_push($orphan_tag_ids, $tag['id']);
}
$query = '
DELETE
FROM '.TAGS_TABLE.'
WHERE id IN ('.implode(',', $orphan_tag_ids).')
;';
pwg_query($query);
}
}
/**
* Get all tags (id + name) linked to no photo
*/
function get_orphan_tags()
{
$orphan_tags = array();
$query = '
SELECT
id,
name
FROM '.TAGS_TABLE.'
LEFT JOIN '.IMAGE_TAG_TABLE.' ON id = tag_id
WHERE tag_id IS NULL
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
array_push($orphan_tags, $row);
}
return $orphan_tags;
}
/**
* Verifies that the representative picture really exists in the db and
* picks up a random represantive if possible and based on config.
*
* @param mixed category id
* @returns void
*/
function update_category($ids = 'all')
{
global $conf;
if ($ids=='all')
{
$where_cats = '1=1';
}
elseif ( !is_array($ids) )
{
$where_cats = '%s='.$ids;
}
else
{
if (count($ids) == 0)
{
return false;
}
$where_cats = '%s IN('.wordwrap(implode(', ', $ids), 120, "\n").')';
}
// find all categories where the setted representative is not possible :
// the picture does not exist
$query = '
SELECT DISTINCT c.id
FROM '.CATEGORIES_TABLE.' AS c LEFT JOIN '.IMAGES_TABLE.' AS i
ON c.representative_picture_id = i.id
WHERE representative_picture_id IS NOT NULL
AND '.sprintf($where_cats, 'c.id').'
AND i.id IS NULL
;';
$wrong_representant = array_from_query($query, 'id');
if (count($wrong_representant) > 0)
{
$query = '
UPDATE '.CATEGORIES_TABLE.'
SET representative_picture_id = NULL
WHERE id IN ('.wordwrap(implode(', ', $wrong_representant), 120, "\n").')
;';
pwg_query($query);
}
if (!$conf['allow_random_representative'])
{
// If the random representant is not allowed, we need to find
// categories with elements and with no representant. Those categories
// must be added to the list of categories to set to a random
// representant.
$query = '
SELECT DISTINCT id
FROM '.CATEGORIES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.'
ON id = category_id
WHERE representative_picture_id IS NULL
AND '.sprintf($where_cats, 'category_id').'
;';
$to_rand = array_from_query($query, 'id');
if (count($to_rand) > 0)
{
set_random_representant($to_rand);
}
}
}
/**
* returns an array containing sub-directories which can be a category,
* recursive by default
*
* directories nammed "thumbnail", "pwg_high" or "pwg_representative" are
* omitted
*
* @param string $basedir
* @return array
*/
function get_fs_directories($path, $recursive = true)
{
$dirs = array();
if (is_dir($path))
{
if ($contents = opendir($path))
{
while (($node = readdir($contents)) !== false)
{
if ($node != '.'
and $node != '..'
and $node != '.svn'
and $node != 'thumbnail'
and $node != 'pwg_high'
and $node != 'pwg_representative'
and is_dir($path.'/'.$node))
{
array_push($dirs, $path.'/'.$node);
if ($recursive)
{
$dirs = array_merge($dirs, get_fs_directories($path.'/'.$node));
}
}
}
closedir($contents);
}
}
return $dirs;
}
/**
* order categories (update categories.rank and global_rank database fields)
* so that rank field are consecutive integers starting at 1 for each child
* @return void
*/
function update_global_rank()
{
$query = '
SELECT id, id_uppercat, uppercats, rank, global_rank
FROM '.CATEGORIES_TABLE.'
ORDER BY id_uppercat,rank,name';
$cat_map = array();
$current_rank = 0;
$current_uppercat = '';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
if ($row['id_uppercat'] != $current_uppercat)
{
$current_rank = 0;
$current_uppercat = $row['id_uppercat'];
}
++$current_rank;
$cat =
array(
'rank' => $current_rank,
'rank_changed' =>$current_rank!=$row['rank'],
'global_rank' => $row['global_rank'],
'uppercats' => $row['uppercats'],
);
$cat_map[ $row['id'] ] = $cat;
}
$datas = array();
foreach( $cat_map as $id=>$cat )
{
$new_global_rank = preg_replace(
'/(\d+)/e',
"\$cat_map['$1']['rank']",
str_replace(',', '.', $cat['uppercats'] )
);
if ( $cat['rank_changed']
or $new_global_rank!=$cat['global_rank']
)
{
$datas[] = array(
'id' => $id,
'rank' => $cat['rank'],
'global_rank' => $new_global_rank,
);
}
}
mass_updates(
CATEGORIES_TABLE,
array(
'primary' => array('id'),
'update' => array('rank', 'global_rank')
),
$datas
);
return count($datas);
}
/**
* change the visible property on a set of categories
*
* @param array categories
* @param string value
* @return void
*/
function set_cat_visible($categories, $value)
{
if (!in_array($value, array('true', 'false')))
{
trigger_error("set_cat_visible invalid param $value", E_USER_WARNING);
return false;
}
// unlocking a category => all its parent categories become unlocked
if ($value == 'true')
{
$uppercats = get_uppercat_ids($categories);
$query = '
UPDATE '.CATEGORIES_TABLE.'
SET visible = \'true\'
WHERE id IN ('.implode(',', $uppercats).')';
pwg_query($query);
}
// locking a category => all its child categories become locked
if ($value == 'false')
{
$subcats = get_subcat_ids($categories);
$query = '
UPDATE '.CATEGORIES_TABLE.'
SET visible = \'false\'
WHERE id IN ('.implode(',', $subcats).')';
pwg_query($query);
}
}
/**
* change the status property on a set of categories : private or public
*
* @param array categories
* @param string value
* @return void
*/
function set_cat_status($categories, $value)
{
if (!in_array($value, array('public', 'private')))
{
trigger_error("set_cat_status invalid param $value", E_USER_WARNING);
return false;
}
// make public a category => all its parent categories become public
if ($value == 'public')
{
$uppercats = get_uppercat_ids($categories);
$query = '
UPDATE '.CATEGORIES_TABLE.'
SET status = \'public\'
WHERE id IN ('.implode(',', $uppercats).')
;';
pwg_query($query);
}
// make a category private => all its child categories become private
if ($value == 'private')
{
$subcats = get_subcat_ids($categories);
$query = '
UPDATE '.CATEGORIES_TABLE.'
SET status = \'private\'
WHERE id IN ('.implode(',', $subcats).')';
pwg_query($query);
}
}
/**
* returns all uppercats category ids of the given category ids
*
* @param array cat_ids
* @return array
*/
function get_uppercat_ids($cat_ids)
{
if (!is_array($cat_ids) or count($cat_ids) < 1)
{
return array();
}
$uppercats = array();
$query = '
SELECT uppercats
FROM '.CATEGORIES_TABLE.'
WHERE id IN ('.implode(',', $cat_ids).')
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
$uppercats = array_merge($uppercats,
explode(',', $row['uppercats']));
}
$uppercats = array_unique($uppercats);
return $uppercats;
}
/**
* set a new random representant to the categories
*
* @param array categories
*/
function set_random_representant($categories)
{
$datas = array();
foreach ($categories as $category_id)
{
$query = '
SELECT image_id
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE category_id = '.$category_id.'
ORDER BY '.DB_RANDOM_FUNCTION.'()
LIMIT 1
;';
list($representative) = pwg_db_fetch_row(pwg_query($query));
array_push(
$datas,
array(
'id' => $category_id,
'representative_picture_id' => $representative,
)
);
}
mass_updates(
CATEGORIES_TABLE,
array(
'primary' => array('id'),
'update' => array('representative_picture_id')
),
$datas
);
}
/**
* returns the fulldir for each given category id
*
* @param array cat_ids
* @return array
*/
function get_fulldirs($cat_ids)
{
if (count($cat_ids) == 0)
{
return array();
}
// caching directories of existing categories
$query = '
SELECT id, dir
FROM '.CATEGORIES_TABLE.'
WHERE dir IS NOT NULL
;';
$cat_dirs = simple_hash_from_query($query, 'id', 'dir');
// caching galleries_url
$query = '
SELECT id, galleries_url
FROM '.SITES_TABLE.'
;';
$galleries_url = simple_hash_from_query($query, 'id', 'galleries_url');
// categories : id, site_id, uppercats
$categories = array();
$query = '
SELECT id, uppercats, site_id
FROM '.CATEGORIES_TABLE.'
WHERE dir IS NOT NULL
AND id IN (
'.wordwrap(implode(', ', $cat_ids), 80, "\n").')
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
array_push($categories, $row);
}
// filling $cat_fulldirs
$cat_fulldirs = array();
foreach ($categories as $category)
{
$uppercats = str_replace(',', '/', $category['uppercats']);
$cat_fulldirs[$category['id']] = $galleries_url[$category['site_id']];
$cat_fulldirs[$category['id']].= preg_replace('/(\d+)/e',
"\$cat_dirs['$1']",
$uppercats);
}
return $cat_fulldirs;
}
/**
* returns an array with all file system files according to
* $conf['file_ext']
*
* @param string $path
* @param bool recursive
* @return array
*/
function get_fs($path, $recursive = true)
{
global $conf;
// because isset is faster than in_array...
if (!isset($conf['flip_picture_ext']))
{
$conf['flip_picture_ext'] = array_flip($conf['picture_ext']);
}
if (!isset($conf['flip_file_ext']))
{
$conf['flip_file_ext'] = array_flip($conf['file_ext']);
}
$fs['elements'] = array();
$fs['thumbnails'] = array();
$fs['representatives'] = array();
$subdirs = array();
if (is_dir($path))
{
if ($contents = opendir($path))
{
while (($node = readdir($contents)) !== false)
{
if ($node == '.' or $node == '..') continue;
if (is_file($path.'/'.$node))
{
$extension = get_extension($node);
// if (in_array($extension, $conf['picture_ext']))
if (isset($conf['flip_picture_ext'][$extension]))
{
if (basename($path) == 'thumbnail')
{
array_push($fs['thumbnails'], $path.'/'.$node);
}
else if (basename($path) == 'pwg_representative')
{
array_push($fs['representatives'], $path.'/'.$node);
}
else
{
array_push($fs['elements'], $path.'/'.$node);
}
}
// else if (in_array($extension, $conf['file_ext']))
else if (isset($conf['flip_file_ext'][$extension]))
{
array_push($fs['elements'], $path.'/'.$node);
}
}
else if (is_dir($path.'/'.$node) and $node != 'pwg_high' and $recursive)
{
array_push($subdirs, $node);
}
}
}
closedir($contents);
foreach ($subdirs as $subdir)
{
$tmp_fs = get_fs($path.'/'.$subdir);
$fs['elements'] = array_merge($fs['elements'],
$tmp_fs['elements']);
$fs['thumbnails'] = array_merge($fs['thumbnails'],
$tmp_fs['thumbnails']);
$fs['representatives'] = array_merge($fs['representatives'],
$tmp_fs['representatives']);
}
}
return $fs;
}
/**
* synchronize base users list and related users list
*
* compares and synchronizes base users table (USERS_TABLE) with its child
* tables (USER_INFOS_TABLE, USER_ACCESS, USER_CACHE, USER_GROUP) : each
* base user must be present in child tables, users in child tables not
* present in base table must be deleted.
*
* @return void
*/
function sync_users()
{
global $conf;
$query = '
SELECT '.$conf['user_fields']['id'].' AS id
FROM '.USERS_TABLE.'
;';
$base_users = array_from_query($query, 'id');
$query = '
SELECT user_id
FROM '.USER_INFOS_TABLE.'
;';
$infos_users = array_from_query($query, 'user_id');
// users present in $base_users and not in $infos_users must be added
$to_create = array_diff($base_users, $infos_users);
if (count($to_create) > 0)
{
create_user_infos($to_create);
}
// users present in user related tables must be present in the base user
// table
$tables = array(
USER_MAIL_NOTIFICATION_TABLE,
USER_FEED_TABLE,
USER_INFOS_TABLE,
USER_ACCESS_TABLE,
USER_CACHE_TABLE,
USER_CACHE_CATEGORIES_TABLE,
USER_GROUP_TABLE
);
foreach ($tables as $table)
{
$query = '
SELECT DISTINCT user_id
FROM '.$table.'
;';
$to_delete = array_diff(
array_from_query($query, 'user_id'),
$base_users
);
if (count($to_delete) > 0)
{
$query = '
DELETE
FROM '.$table.'
WHERE user_id in ('.implode(',', $to_delete).')
;';
pwg_query($query);
}
}
}
/**
* updates categories.uppercats field based on categories.id +
* categories.id_uppercat
*
* @return void
*/
function update_uppercats()
{
$query = '
SELECT id, id_uppercat, uppercats
FROM '.CATEGORIES_TABLE.'
;';
$cat_map = hash_from_query($query, 'id');
$datas = array();
foreach ($cat_map as $id => $cat)
{
$upper_list = array();
$uppercat = $id;
while ($uppercat)
{
array_push($upper_list, $uppercat);
$uppercat = $cat_map[$uppercat]['id_uppercat'];
}
$new_uppercats = implode(',', array_reverse($upper_list));
if ($new_uppercats != $cat['uppercats'])
{
array_push(
$datas,
array(
'id' => $id,
'uppercats' => $new_uppercats
)
);
}
}
$fields = array('primary' => array('id'), 'update' => array('uppercats'));
mass_updates(CATEGORIES_TABLE, $fields, $datas);
}
/**
* update images.path field
*
* @return void
*/
function update_path()
{
$query = '
SELECT DISTINCT(storage_category_id)
FROM '.IMAGES_TABLE.'
WHERE storage_category_id IS NOT NULL
;';
$cat_ids = array_from_query($query, 'storage_category_id');
$fulldirs = get_fulldirs($cat_ids);
foreach ($cat_ids as $cat_id)
{
$query = '
UPDATE '.IMAGES_TABLE.'
SET path = '.pwg_db_concat(array("'".$fulldirs[$cat_id]."/'",'file')).'
WHERE storage_category_id = '.$cat_id.'
;';
pwg_query($query);
}
}
/**
* change the parent category of the given categories. The categories are
* supposed virtual.
*
* @param array category identifiers
* @param int parent category identifier
* @return void
*/
function move_categories($category_ids, $new_parent = -1)
{
global $page;
if (count($category_ids) == 0)
{
return;
}
$new_parent = $new_parent < 1 ? 'NULL' : $new_parent;
$categories = array();
$query = '
SELECT id, id_uppercat, status, uppercats
FROM '.CATEGORIES_TABLE.'
WHERE id IN ('.implode(',', $category_ids).')
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
$categories[$row['id']] =
array(
'parent' => empty($row['id_uppercat']) ? 'NULL' : $row['id_uppercat'],
'status' => $row['status'],
'uppercats' => $row['uppercats']
);
}
// is the movement possible? The movement is impossible if you try to move
// a category in a sub-category or itself
if ('NULL' != $new_parent)
{
$query = '
SELECT uppercats
FROM '.CATEGORIES_TABLE.'
WHERE id = '.$new_parent.'
;';
list($new_parent_uppercats) = pwg_db_fetch_row(pwg_query($query));
foreach ($categories as $category)
{
// technically, you can't move a category with uppercats 12,125,13,14
// into a new parent category with uppercats 12,125,13,14,24
if (preg_match('/^'.$category['uppercats'].'(,|$)/', $new_parent_uppercats))
{
array_push(
$page['errors'],
l10n('You cannot move an album in its own sub album')
);
return;
}
}
}
$tables =
array(
USER_ACCESS_TABLE => 'user_id',
GROUP_ACCESS_TABLE => 'group_id'
);
$query = '
UPDATE '.CATEGORIES_TABLE.'
SET id_uppercat = '.$new_parent.'
WHERE id IN ('.implode(',', $category_ids).')
;';
pwg_query($query);
update_uppercats();
update_global_rank();
// status and related permissions management
if ('NULL' == $new_parent)
{
$parent_status = 'public';
}
else
{
$query = '
SELECT status
FROM '.CATEGORIES_TABLE.'
WHERE id = '.$new_parent.'
;';
list($parent_status) = pwg_db_fetch_row(pwg_query($query));
}
if ('private' == $parent_status)
{
foreach ($categories as $cat_id => $category)
{
switch ($category['status'])
{
case 'public' :
{
set_cat_status(array($cat_id), 'private');
break;
}
case 'private' :
{
$subcats = get_subcat_ids(array($cat_id));
foreach ($tables as $table => $field)
{
$query = '
SELECT '.$field.'
FROM '.$table.'
WHERE cat_id = '.$cat_id.'
;';
$category_access = array_from_query($query, $field);
$query = '
SELECT '.$field.'
FROM '.$table.'
WHERE cat_id = '.$new_parent.'
;';
$parent_access = array_from_query($query, $field);
$to_delete = array_diff($parent_access, $category_access);
if (count($to_delete) > 0)
{
$query = '
DELETE FROM '.$table.'
WHERE '.$field.' IN ('.implode(',', $to_delete).')
AND cat_id IN ('.implode(',', $subcats).')
;';
pwg_query($query);
}
}
break;
}
}
}
}
array_push(
$page['infos'],
l10n_dec(
'%d album moved', '%d albums moved',
count($categories)
)
);
}
/**
* create a virtual category
*
* @param string category name
* @param int parent category id
* @return array with ('info' and 'id') or ('error') key
*/
function create_virtual_category($category_name, $parent_id=null)
{
global $conf, $user;
// is the given category name only containing blank spaces ?
if (preg_match('/^\s*$/', $category_name))
{
return array('error' => l10n('The name of an album must not be empty'));
}
$parent_id = !empty($parent_id) ? $parent_id : 'NULL';
$insert = array(
'name' => $category_name,
'rank' => 0,
'commentable' => boolean_to_string($conf['newcat_default_commentable']),
);
if ($parent_id != 'NULL')
{
$query = '
SELECT id, uppercats, global_rank, visible, status
FROM '.CATEGORIES_TABLE.'
WHERE id = '.$parent_id.'
;';
$parent = pwg_db_fetch_assoc(pwg_query($query));
$insert['id_uppercat'] = $parent['id'];
$insert['global_rank'] = $parent['global_rank'].'.'.$insert['rank'];
// at creation, must a category be visible or not ? Warning : if the
// parent category is invisible, the category is automatically create
// invisible. (invisible = locked)
if ('false' == $parent['visible'])
{
$insert['visible'] = 'false';
}
else
{
$insert['visible'] = boolean_to_string($conf['newcat_default_visible']);
}
// at creation, must a category be public or private ? Warning : if the
// parent category is private, the category is automatically create
// private.
if ('private' == $parent['status'])
{
$insert['status'] = 'private';
}
else
{
$insert['status'] = $conf['newcat_default_status'];
}
}
else
{
$insert['visible'] = boolean_to_string($conf['newcat_default_visible']);
$insert['status'] = $conf['newcat_default_status'];
$insert['global_rank'] = $insert['rank'];
}
// we have then to add the virtual category
mass_inserts(
CATEGORIES_TABLE,
array(
'site_id', 'name', 'id_uppercat', 'rank', 'commentable',
'visible', 'status', 'global_rank',
),
array($insert)
);
$inserted_id = pwg_db_insert_id(CATEGORIES_TABLE);
$query = '
UPDATE
'.CATEGORIES_TABLE.'
SET uppercats = \''.
(isset($parent) ? $parent{'uppercats'}.',' : '').
$inserted_id.
'\'
WHERE id = '.$inserted_id.'
;';
pwg_query($query);
update_global_rank();
if ('private' == $insert['status'])
{
add_permission_on_category($inserted_id, array_unique(array_merge(get_admins(), array($user['id']))));
}
return array(
'info' => l10n('Virtual album added'),
'id' => $inserted_id,
);
}
/**
* Set tags to an image. Warning: given tags are all tags associated to the
* image, not additionnal tags.
*
* @param array tag ids
* @param int image id
* @return void
*/
function set_tags($tags, $image_id)
{
$query = '
DELETE
FROM '.IMAGE_TAG_TABLE.'
WHERE image_id = '.$image_id.'
;';
pwg_query($query);
if (count($tags) > 0)
{
$inserts = array();
foreach ($tags as $tag_id)
{
array_push(
$inserts,
array(
'tag_id' => $tag_id,
'image_id' => $image_id
)
);
}
mass_inserts(
IMAGE_TAG_TABLE,
array_keys($inserts[0]),
$inserts
);
}
}
/**
* Add new tags to a set of images.
*
* @param array tag ids
* @param array image ids
* @return void
*/
function add_tags($tags, $images)
{
if (count($tags) == 0 or count($images) == 0)
{
return;
}
// we can't insert twice the same {image_id,tag_id} so we must first
// delete lines we'll insert later
$query = '
DELETE
FROM '.IMAGE_TAG_TABLE.'
WHERE image_id IN ('.implode(',', $images).')
AND tag_id IN ('.implode(',', $tags).')
;';
pwg_query($query);
$inserts = array();
foreach ($images as $image_id)
{
foreach ($tags as $tag_id)
{
array_push(
$inserts,
array(
'image_id' => $image_id,
'tag_id' => $tag_id,
)
);
}
}
mass_inserts(
IMAGE_TAG_TABLE,
array_keys($inserts[0]),
$inserts
);
}
/**
*
*/
function delete_tags($tag_ids)
{
if (is_numeric($tag_ids))
{
$tag_ids = array($tag_ids);
}
if (!is_array($tag_ids))
{
return false;
}
$query = '
DELETE
FROM '.IMAGE_TAG_TABLE.'
WHERE tag_id IN ('.implode(',', $tag_ids).')
;';
pwg_query($query);
$query = '
DELETE
FROM '.TAGS_TABLE.'
WHERE id IN ('.implode(',', $tag_ids).')
;';
pwg_query($query);
}
function tag_id_from_tag_name($tag_name)
{
global $page;
$tag_name = trim($tag_name);
if (isset($page['tag_id_from_tag_name_cache'][$tag_name]))
{
return $page['tag_id_from_tag_name_cache'][$tag_name];
}
// does the tag already exists?
$query = '
SELECT id
FROM '.TAGS_TABLE.'
WHERE name = \''.$tag_name.'\'
;';
$existing_tags = array_from_query($query, 'id');
if (count($existing_tags) == 0)
{
mass_inserts(
TAGS_TABLE,
array('name', 'url_name'),
array(
array(
'name' => $tag_name,
'url_name' => trigger_event('render_tag_url', $tag_name),
)
)
);
$page['tag_id_from_tag_name_cache'][$tag_name] = pwg_db_insert_id(TAGS_TABLE);
}
else
{
$page['tag_id_from_tag_name_cache'][$tag_name] = $existing_tags[0];
}
return $page['tag_id_from_tag_name_cache'][$tag_name];
}
function set_tags_of($tags_of)
{
if (count($tags_of) > 0)
{
$query = '
DELETE
FROM '.IMAGE_TAG_TABLE.'
WHERE image_id IN ('.implode(',', array_keys($tags_of)).')
;';
pwg_query($query);
$inserts = array();
foreach ($tags_of as $image_id => $tag_ids)
{
foreach ($tag_ids as $tag_id)
{
array_push(
$inserts,
array(
'image_id' => $image_id,
'tag_id' => $tag_id,
)
);
}
}
mass_inserts(
IMAGE_TAG_TABLE,
array_keys($inserts[0]),
$inserts
);
}
}
/**
* Associate a list of images to a list of categories.
*
* The function will not duplicate links
*
* @param array images
* @param array categories
* @return void
*/
function associate_images_to_categories($images, $categories)
{
if (count($images) == 0
or count($categories) == 0)
{
return false;
}
$query = '
DELETE
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE image_id IN ('.implode(',', $images).')
AND category_id IN ('.implode(',', $categories).')
;';
pwg_query($query);
$inserts = array();
foreach ($categories as $category_id)
{
foreach ($images as $image_id)
{
array_push(
$inserts,
array(
'image_id' => $image_id,
'category_id' => $category_id,
)
);
}
}
mass_inserts(
IMAGE_CATEGORY_TABLE,
array_keys($inserts[0]),
$inserts
);
update_category($categories);
}
/**
* Disssociate images from all categories except their storage category and
* associate to new categories.
*
* @param array images
* @param array categories
* @return void
*/
function move_images_to_categories($images, $categories)
{
if (count($images) == 0)
{
return false;
}
// let's first break links with all albums but their "storage album"
$query = '
DELETE '.IMAGE_CATEGORY_TABLE.'.*
FROM '.IMAGE_CATEGORY_TABLE.'
JOIN '.IMAGES_TABLE.' ON image_id=id
WHERE id IN ('.implode(',', $images).')
AND (storage_category_id IS NULL OR storage_category_id != category_id)
;';
pwg_query($query);
if (is_array($categories) and count($categories) > 0)
{
associate_images_to_categories($images, $categories);
}
}
/**
* Associate images associated to a list of source categories to a list of
* destination categories.
*
* @param array sources
* @param array destinations
* @return void
*/
function associate_categories_to_categories($sources, $destinations)
{
if (count($sources) == 0)
{
return false;
}
$query = '
SELECT image_id
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE category_id IN ('.implode(',', $sources).')
;';
$images = array_from_query($query, 'image_id');
associate_images_to_categories($images, $destinations);
}
/**
* Refer main Piwigo URLs (currently PHPWG_DOMAIN domain)
*
* @param void
* @return array like $conf['links']
*/
function pwg_URL()
{
$urls = array(
'HOME' => PHPWG_URL,
'WIKI' => PHPWG_URL.'/doc',
'DEMO' => PHPWG_URL.'/demo',
'FORUM' => PHPWG_URL.'/forum',
'BUGS' => PHPWG_URL.'/bugs',
'EXTENSIONS' => PHPWG_URL.'/ext',
);
return $urls;
}
/**
* Invalidates cahed data (permissions and category counts) for all users.
*/
function invalidate_user_cache($full = true)
{
if ($full)
{
$query = '
TRUNCATE TABLE '.USER_CACHE_CATEGORIES_TABLE.';';
pwg_query($query);
$query = '
TRUNCATE TABLE '.USER_CACHE_TABLE.';';
pwg_query($query);
}
else
{
$query = '
UPDATE '.USER_CACHE_TABLE.'
SET need_update = \'true\';';
pwg_query($query);
}
trigger_action('invalidate_user_cache', $full);
}
/**
* adds the caracter set to a create table sql query.
* all CREATE TABLE queries must call this function
* @param string query - the sql query
*/
function create_table_add_character_set($query)
{
defined('DB_CHARSET') or fatal_error('create_table_add_character_set DB_CHARSET undefined');
if ('DB_CHARSET'!='')
{
if ( version_compare(mysql_get_server_info(), '4.1.0', '<') )
{
return $query;
}
$charset_collate = " DEFAULT CHARACTER SET ".DB_CHARSET;
if (DB_COLLATE!='')
{
$charset_collate .= " COLLATE ".DB_COLLATE;
}
if ( is_array($query) )
{
foreach( $query as $id=>$q)
{
$q=trim($q);
$q=trim($q, ';');
if (preg_match('/^CREATE\s+TABLE/i',$q))
{
$q.=$charset_collate;
}
$q .= ';';
$query[$id] = $q;
}
}
else
{
$query=trim($query);
$query=trim($query, ';');
if (preg_match('/^CREATE\s+TABLE/i',$query))
{
$query.=$charset_collate;
}
$query .= ';';
}
}
return $query;
}
/**
* Returns array use on template with html_options method
* @param Min and Max access to use
* @return array of user access level
*/
function get_user_access_level_html_options($MinLevelAccess = ACCESS_FREE, $MaxLevelAccess = ACCESS_CLOSED)
{
$tpl_options = array();
for ($level = $MinLevelAccess; $level <= $MaxLevelAccess; $level++)
{
$tpl_options[$level] = l10n(sprintf('ACCESS_%d', $level));
}
return $tpl_options;
}
/**
* returns a list of templates currently available in template-extension
* Each .tpl file is extracted from template-extension.
* @return array
*/
function get_extents($start='')
{
if ($start == '') { $start = './template-extension'; }
$dir = opendir($start);
$extents = array();
while (($file = readdir($dir)) !== false)
{
if ( $file == '.' or $file == '..' or $file == '.svn') continue;
$path = $start . '/' . $file;
if (is_dir($path))
{
$extents = array_merge($extents, get_extents($path));
}
elseif ( !is_link($path) and file_exists($path)
and get_extension($path) == 'tpl' )
{
$extents[] = substr($path, 21);
}
}
return $extents;
}
function create_tag($tag_name)
{
// does the tag already exists?
$query = '
SELECT id
FROM '.TAGS_TABLE.'
WHERE name = \''.$tag_name.'\'
;';
$existing_tags = array_from_query($query, 'id');
if (count($existing_tags) == 0)
{
mass_inserts(
TAGS_TABLE,
array('name', 'url_name'),
array(
array(
'name' => $tag_name,
'url_name' => trigger_event('render_tag_url', $tag_name),
)
)
);
$inserted_id = pwg_db_insert_id(TAGS_TABLE);
return array(
'info' => sprintf(
l10n('Tag "%s" was added'),
stripslashes($tag_name)
),
'id' => $inserted_id,
);
}
else
{
return array(
'error' => sprintf(
l10n('Tag "%s" already exists'),
stripslashes($tag_name)
)
);
}
}
/**
* Is the category accessible to the (Admin) user ?
*
* Note : if the user is not authorized to see this category, category jump
* will be replaced by admin cat_modify page
*
* @param int category id to verify
* @return bool
*/
function cat_admin_access($category_id)
{
global $user;
// $filter['visible_categories'] and $filter['visible_images']
// are not used because it's not necessary (filter <> restriction)
if (in_array($category_id, explode(',', $user['forbidden_categories'])))
{
return false;
}
return true;
}
/**
* Retrieve data from external URL
*
* @param string $src: URL
* @param global $dest: can be a file ressource or string
* @return bool
*/
function fetchRemote($src, &$dest, $get_data=array(), $post_data=array(), $user_agent='Piwigo', $step=0)
{
// Try to retrieve data from local file?
if (!url_is_remote($src))
{
$content = @file_get_contents($src);
if ($content !== false)
{
is_resource($dest) ? @fwrite($dest, $content) : $dest = $content;
return true;
}
else
{
return false;
}
}
// After 3 redirections, return false
if ($step > 3) return false;
// Initialization
$method = empty($post_data) ? 'GET' : 'POST';
$request = empty($post_data) ? '' : http_build_query($post_data, '', '&');
if (!empty($get_data))
{
$src .= strpos($src, '?') === false ? '?' : '&';
$src .= http_build_query($get_data, '', '&');
}
// Initialize $dest
is_resource($dest) or $dest = '';
// Try curl to read remote file
if (function_exists('curl_init'))
{
$ch = @curl_init();
@curl_setopt($ch, CURLOPT_URL, $src);
@curl_setopt($ch, CURLOPT_HEADER, 1);
@curl_setopt($ch, CURLOPT_USERAGENT, $user_agent);
@curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
if ($method == 'POST')
{
@curl_setopt($ch, CURLOPT_POST, 1);
@curl_setopt($ch, CURLOPT_POSTFIELDS, $request);
}
$content = @curl_exec($ch);
$header_length = @curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$status = @curl_getinfo($ch, CURLINFO_HTTP_CODE);
@curl_close($ch);
if ($content !== false and $status >= 200 and $status < 400)
{
if (preg_match('/Location:\s+?(.+)/', substr($content, 0, $header_length), $m))
{
return fetchRemote($m[1], $dest, array(), array(), $user_agent, $step+1);
}
$content = substr($content, $header_length);
is_resource($dest) ? @fwrite($dest, $content) : $dest = $content;
return true;
}
}
// Try file_get_contents to read remote file
if (ini_get('allow_url_fopen'))
{
$opts = array(
'http' => array(
'method' => $method,
'user_agent' => $user_agent,
)
);
if ($method == 'POST')
{
$opts['http']['content'] = $request;
}
$context = @stream_context_create($opts);
$content = @file_get_contents($src, false, $context);
if ($content !== false)
{
is_resource($dest) ? @fwrite($dest, $content) : $dest = $content;
return true;
}
}
// Try fsockopen to read remote file
$src = parse_url($src);
$host = $src['host'];
$path = isset($src['path']) ? $src['path'] : '/';
$path .= isset($src['query']) ? '?'.$src['query'] : '';
if (($s = @fsockopen($host,80,$errno,$errstr,5)) === false)
{
return false;
}
$http_request = $method." ".$path." HTTP/1.0\r\n";
$http_request .= "Host: ".$host."\r\n";
if ($method == 'POST')
{
$http_request .= "Content-Type: application/x-www-form-urlencoded;\r\n";
$http_request .= "Content-Length: ".strlen($request)."\r\n";
}
$http_request .= "User-Agent: ".$user_agent."\r\n";
$http_request .= "Accept: */*\r\n";
$http_request .= "\r\n";
$http_request .= $request;
fwrite($s, $http_request);
$i = 0;
$in_content = false;
while (!feof($s))
{
$line = fgets($s);
if (rtrim($line,"\r\n") == '' && !$in_content)
{
$in_content = true;
$i++;
continue;
}
if ($i == 0)
{
if (!preg_match('/HTTP\/(\\d\\.\\d)\\s*(\\d+)\\s*(.*)/',rtrim($line,"\r\n"), $m))
{
fclose($s);
return false;
}
$status = (integer) $m[2];
if ($status < 200 || $status >= 400)
{
fclose($s);
return false;
}
}
if (!$in_content)
{
if (preg_match('/Location:\s+?(.+)$/',rtrim($line,"\r\n"),$m))
{
fclose($s);
return fetchRemote(trim($m[1]),$dest,array(),array(),$user_agent,$step+1);
}
$i++;
continue;
}
is_resource($dest) ? @fwrite($dest, $line) : $dest .= $line;
$i++;
}
fclose($s);
return true;
}
/**
* returns the groupname corresponding to the given group identifier if
* exists
*
* @param int group_id
* @return mixed
*/
function get_groupname($group_id)
{
$query = '
SELECT name
FROM '.GROUPS_TABLE.'
WHERE id = '.intval($group_id).'
;';
$result = pwg_query($query);
if (pwg_db_num_rows($result) > 0)
{
list($groupname) = pwg_db_fetch_row($result);
}
else
{
return false;
}
return $groupname;
}
/**
* returns the username corresponding to the given user identifier if exists
*
* @param int user_id
* @return mixed
*/
function get_username($user_id)
{
global $conf;
$query = '
SELECT '.$conf['user_fields']['username'].'
FROM '.USERS_TABLE.'
WHERE '.$conf['user_fields']['id'].' = '.intval($user_id).'
;';
$result = pwg_query($query);
if (pwg_db_num_rows($result) > 0)
{
list($username) = pwg_db_fetch_row($result);
}
else
{
return false;
}
return stripslashes($username);
}
function get_newsletter_subscribe_base_url($language) {
return PHPWG_URL.'/announcement/subscribe/';
}
/**
* Accordion menus need to know which section to open by default when
* loading the page
*/
function get_active_menu($menu_page)
{
global $page;
if (isset($page['active_menu']))
{
return $page['active_menu'];
}
switch ($menu_page)
{
case 'photo':
case 'photos_add':
case 'rating':
case 'tags':
case 'picture_modify':
case 'batch_manager':
return 0;
case 'album':
case 'cat_list':
case 'cat_move':
case 'cat_options':
case 'permalinks':
return 1;
case 'user_list':
case 'user_perm':
case 'group_list':
case 'group_perm':
case 'notification_by_mail':
return 2;
case 'plugins':
case 'plugin':
return 3;
case 'site_manager':
case 'site_update':
case 'stats':
case 'history':
case 'maintenance':
case 'comments':
case 'updates':
return 4;
case 'configuration':
case 'derivatives':
case 'extend_for_templates':
case 'menubar':
case 'themes':
case 'theme':
case 'languages':
return 5;
}
return 0;
}
function get_taglist($query, $only_user_language=true)
{
$result = pwg_query($query);
$taglist = array();
while ($row = pwg_db_fetch_assoc($result))
{
if (!$only_user_language and preg_match_all('#\[lang=(.*?)\](.*?)\[/lang\]#is', $row['name'], $matches))
{
foreach ($matches[2] as $tag_name)
{
array_push(
$taglist,
array(
'name' => trigger_event('render_tag_name', $tag_name),
'id' => '~~'.$row['id'].'~~',
)
);
}
$row['name'] = preg_replace('#\[lang=(.*?)\](.*?)\[/lang\]#is', null, $row['name']);
}
if (strlen($row['name']) > 0)
{
array_push(
$taglist,
array(
'name' => trigger_event('render_tag_name', $row['name']),
'id' => '~~'.$row['id'].'~~',
)
);
}
}
$cmp = create_function('$a,$b', 'return strcasecmp($a["name"], $b["name"]);');
usort($taglist, $cmp);
return $taglist;
}
function get_tag_ids($raw_tags, $allow_create=true)
{
// In $raw_tags we receive something like array('~~6~~', '~~59~~', 'New
// tag', 'Another new tag') The ~~34~~ means that it is an existing
// tag. I've added the surrounding ~~ to permit creation of tags like "10"
// or "1234" (numeric characters only)
$tag_ids = array();
$raw_tags = explode(',',$raw_tags);
foreach ($raw_tags as $raw_tag)
{
if (preg_match('/^~~(\d+)~~$/', $raw_tag, $matches))
{
array_push($tag_ids, $matches[1]);
}
elseif ($allow_create)
{
// we have to create a new tag
$tag_ids[] = tag_id_from_tag_name($raw_tag);
}
}
return $tag_ids;
}
/** returns the argument_ids array with new sequenced keys based on related
* names. Sequence is not case sensitive.
* Warning: By definition, this function breaks original keys
*/
function order_by_name($element_ids,$name)
{
$ordered_element_ids = array();
foreach ($element_ids as $k_id => $element_id)
{
$key = strtolower($name[$element_id]) .'-'. $name[$element_id] .'-'. $k_id;
$ordered_element_ids[$key] = $element_id;
}
ksort($ordered_element_ids);
return $ordered_element_ids;
}
function add_permission_on_category($category_ids, $user_ids)
{
// array-ify categories and users
if (!is_array($category_ids))
{
$category_ids = array($category_ids);
}
if (!is_array($user_ids))
{
$user_ids = array($user_ids);
}
// check for emptiness
if (count($category_ids) == 0 or count($user_ids) == 0)
{
return;
}
// make sure categories are private and select uppercats or subcats
$cat_ids = (isset($_POST['apply_on_sub'])) ? implode(',', get_subcat_ids($category_ids)).",".implode(',', get_uppercat_ids($category_ids)) : implode(',', get_uppercat_ids($category_ids));
$query = '
SELECT
id
FROM '.CATEGORIES_TABLE.'
WHERE id IN ('.$cat_ids.')
AND status = \'private\'
;';
$private_cats = array_from_query($query, 'id');
if (count($private_cats) == 0)
{
return;
}
// We must not reinsert already existing lines in user_access table
$granteds = array();
foreach ($private_cats as $cat_id)
{
$granteds[$cat_id] = array();
}
$query = '
SELECT
user_id,
cat_id
FROM '.USER_ACCESS_TABLE.'
WHERE cat_id IN ('.implode(',', $private_cats).')
AND user_id IN ('.implode(',', $user_ids).')
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
array_push($granteds[$row['cat_id']], $row['user_id']);
}
$inserts = array();
foreach ($private_cats as $cat_id)
{
$grant_to_users = array_diff($user_ids, $granteds[$cat_id]);
foreach ($grant_to_users as $user_id)
{
array_push(
$inserts,
array(
'user_id' => $user_id,
'cat_id' => $cat_id
)
);
}
}
if (count($inserts) > 0)
{
mass_inserts(USER_ACCESS_TABLE, array_keys($inserts[0]), $inserts);
}
}
function get_admins($include_webmaster=true)
{
$status_list = array('admin');
if ($include_webmaster)
{
$status_list[] = 'webmaster';
}
$query = '
SELECT
user_id
FROM '.USER_INFOS_TABLE.'
WHERE status in (\''.implode("','", $status_list).'\')
;';
return array_from_query($query, 'user_id');
}
/** delete all derivative files for one or several types */
function clear_derivative_cache($types='all')
{
$pattern='#.*-';
if ($types == 'all')
{
$types = ImageStdParams::get_all_types();
$types[] = IMG_CUSTOM;
}
elseif (!is_array($types))
{
$types = array($types);
}
if (count($types)>1)
{
$type_urls = array();
foreach($types as $dtype)
{
$type_urls[] = derivative_to_url($dtype);
}
$pattern .= '(' . implode('|',$type_urls) . ')';
}
else
{
$pattern .= derivative_to_url($types[0]);
}
$pattern.='(_[a-zA-Z0-9]+)*\.[a-zA-Z0-9]{3,4}$#';
if ($contents = opendir(PHPWG_ROOT_PATH.PWG_DERIVATIVE_DIR))
{
while (($node = readdir($contents)) !== false)
{
if ($node != '.'
and $node != '..'
and is_dir(PHPWG_ROOT_PATH.PWG_DERIVATIVE_DIR.$node))
{
clear_derivative_cache_rec(PHPWG_ROOT_PATH.PWG_DERIVATIVE_DIR.$node, $pattern);
}
}
closedir($contents);
}
}
function clear_derivative_cache_rec($path, $pattern)
{
$rmdir = true;
$rm_index = false;
if ($contents = opendir($path))
{
while (($node = readdir($contents)) !== false)
{
if ($node == '.' or $node == '..')
continue;
if (is_dir($path.'/'.$node))
{
$rmdir &= clear_derivative_cache_rec($path.'/'.$node, $pattern);
}
else
{
if (preg_match($pattern, $node))
{
unlink($path.'/'.$node);
}
elseif ($node=='index.htm')
{
$rm_index = true;
}
else
{
$rmdir = false;
}
}
}
closedir($contents);
if ($rmdir)
{
if ($rm_index)
{
unlink($path.'/index.htm');
}
clearstatcache();
@rmdir($path);
}
return $rmdir;
}
}
function delete_element_derivatives($infos, $type='all')
{
$path = $infos['path'];
if (!empty($infos['representative_ext']))
{
$path = original_to_representative( $path, $infos['representative_ext']);
}
if (substr_compare($path, '../', 0, 3)==0)
{
$path = substr($path, 3);
}
$dot = strrpos($path, '.');
if ($type=='all')
{
$pattern = '-*';
}
else
{
$pattern = '-'.derivative_to_url($type).'*';
}
$path = substr_replace($path, $pattern, $dot, 0);
foreach( glob(PHPWG_ROOT_PATH.PWG_DERIVATIVE_DIR.$path) as $file)
{
@unlink($file);
}
}
?>
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