/**
* Creates an attachment playspace for editing attachments. The playspace
* contains all current attachments of the post, if specified.
* @param forum_post $post Optional post to copy attachments from
* @return int Unique playspace ID
*/
static function create_attachment_playspace($post = null, $userid = 0)
{
// Pick random ID and create folder
do {
$playspaceid = forum_utils::get_real_userid($userid) . ',' . mt_rand();
$folder = self::get_attachment_playspace_folder($playspaceid);
} while (is_dir($folder));
if (!check_dir_exists($folder, true, true)) {
throw new forum_exception("Failed to create playspace folder {$folder}");
}
// Copy files into it
if ($post && $post->has_attachments()) {
$postfiles = $post->get_attachment_names();
$postfolder = $post->get_attachment_folder();
foreach ($postfiles as $name) {
forum_utils::copy("{$postfolder}/{$name}", "{$folder}/{$name}");
}
}
// Return id
return $playspaceid;
}
