function get_element_metadata($infos)
{
return get_sync_metadata($infos);
}
/**
* Sync all metadata of a list of images.
* Metadata are fetched from original files and saved in database.
*
* @param int[] $ids
*/
function sync_metadata($ids)
{
global $conf;
if (!defined('CURRENT_DATE')) {
define('CURRENT_DATE', date('Y-m-d'));
}
$datas = array();
$tags_of = array();
$query = '
SELECT id, path, representative_ext
FROM ' . IMAGES_TABLE . '
WHERE id IN (
' . wordwrap(implode(', ', $ids), 160, "\n") . '
)
;';
$result = pwg_query($query);
while ($data = pwg_db_fetch_assoc($result)) {
$data = get_sync_metadata($data);
if ($data === false) {
continue;
}
$id = $data['id'];
foreach (array('keywords', 'tags') as $key) {
if (isset($data[$key])) {
if (!isset($tags_of[$id])) {
$tags_of[$id] = array();
}
foreach (explode(',', $data[$key]) as $tag_name) {
$tags_of[$id][] = tag_id_from_tag_name($tag_name);
}
}
}
$data['date_metadata_update'] = CURRENT_DATE;
$datas[] = $data;
}
if (count($datas) > 0) {
$update_fields = get_sync_metadata_attributes();
$update_fields[] = 'date_metadata_update';
$update_fields = array_diff($update_fields, array('tags', 'keywords'));
mass_updates(IMAGES_TABLE, array('primary' => array('id'), 'update' => $update_fields), $datas, MASS_UPDATES_SKIP_EMPTY);
}
set_tags_of($tags_of);
}