/**
* Looks at the list of allowed extensions and generates a string
* appropriate for use in configuring plupload with
*
* @param \src\cache\service $cache
* @param string $forum_id The ID of the forum
*
* @return string
*/
public function generate_filter_string(\src\cache\service $cache, $forum_id)
{
$attach_extensions = $cache->obtain_attach_extensions($forum_id);
unset($attach_extensions['_allowed_']);
$groups = array();
// Re-arrange the extension array to $groups[$group_name][]
foreach ($attach_extensions as $extension => $extension_info) {
if (!isset($groups[$extension_info['group_name']])) {
$groups[$extension_info['group_name']] = array();
}
$groups[$extension_info['group_name']][] = $extension;
}
$filters = array();
foreach ($groups as $group => $extensions) {
$filters[] = sprintf("{title: '%s', extensions: '%s'}", addslashes(ucfirst(strtolower($group))), addslashes(implode(',', $extensions)));
}
return implode(',', $filters);
}
