$attachment = $this->attachment->findOrFail($attachmentId);
$this->checkOwnablePermission('page-update', $page);
$this->checkOwnablePermission('attachment-create', $attachment);
if (intval($pageId) !== intval($attachment->uploaded_to)) {
$attachment = $this->attachment->findOrFail($attachmentId);
$this->checkOwnablePermission('page-update', $page);
$this->checkOwnablePermission('attachment-create', $attachment);
if (intval($pageId) !== intval($attachment->uploaded_to)) {