/**
* Remove pages from already-loaded PageArray aren't visible or accessible
*
* @param PageArray $items
* @param string $includeMode Optional inclusion mode:
* - 'hidden': Allow pages with 'hidden' status'
* - 'unpublished': Allow pages with 'unpublished' or 'hidden' status
* - 'all': Allow all pages (not much point in calling this method)
* @return PageArray
*
*/
protected function filterListable(PageArray $items, $includeMode = '')
{
if ($includeMode === 'all') {
return $items;
}
$itemsAllowed = new PageArray();
foreach ($items as $item) {
if ($includeMode === 'unpublished') {
$allow = $item->status < Page::statusTrash;
} else {
if ($includeMode === 'hidden') {
$allow = $item->status < Page::statusUnpublished;
} else {
$allow = $item->status < Page::statusHidden;
}
}
if ($allow) {
$allow = $item->listable();
}
// confirm access
if ($allow) {
$itemsAllowed->add($item);
}
}
$itemsAllowed->resetTrackChanges(true);
return $itemsAllowed;
}
