/**
* Save a subtree.
*
* @param array $subtree A nested array where each array contains a CategoryID and optional Children element.
* @param int|null $parentID The parent ID of the subtree.
* @param bool $rebuild Whether or not to rebuild the nested set after saving.
*/
private function saveSubtreeInternal($subtree, $parentID = null, $rebuild = true)
{
$order = 1;
foreach ($subtree as $row) {
$save = [];
$category = $this->collection->get((int) $row['CategoryID']);
if (!$category) {
$this->Validation->addValidationResult("CategoryID", "@Category {$row['CategoryID']} does not exist.");
continue;
}
if ($category['Sort'] != $order) {
$save['Sort'] = $order;
}
if ($parentID !== null && $category['ParentCategoryID'] != $parentID) {
$save['ParentCategoryID'] = $parentID;
if ($category['PermissionCategoryID'] != $category['CategoryID']) {
$parentCategory = $this->collection->get((int) $parentID);
$save['PermissionCategoryID'] = $parentCategory['PermissionCategoryID'];
}
}
if (!empty($save)) {
$this->setField($category['CategoryID'], $save);
}
if (!empty($row['Children'])) {
$this->saveSubtreeInternal($row['Children'], $category['CategoryID'], false);
}
$order++;
}
if ($rebuild) {
$this->rebuildTree(true);
}
self::clearCache();
}
/**
* Get a single category from the collection.
*
* @param string|int $id The category code or ID.
*/
private function getOne($id)
{
if (is_numeric($id)) {
$id = (int) $id;
}
$category = $this->collection->get($id);
if (!empty($category)) {
self::calculate($category);
self::calculateUser($category);
}
return $category;
}
