Piwik\Plugins\API\WidgetMetadata::createMissingCategoriesAndSubcategories PHP Метод

    private function createMissingCategoriesAndSubcategories($categoryList, $widgetConfigs)
    {
        // move reports into categories/subcategories and create missing ones if needed
        foreach ($widgetConfigs as $widgetConfig) {
            $categoryId = $widgetConfig->getCategoryId();
            $subcategoryId = $widgetConfig->getSubcategoryId();
            if (!$categoryId) {
                continue;
            }
            if ($widgetConfig instanceof WidgetContainerConfig && !$widgetConfig->getWidgetConfigs()) {
                // if a container does not contain any widgets, ignore it
                continue;
            }
            if (!$categoryList->hasCategory($categoryId)) {
                $categoryList->addCategory($this->createCategory($categoryId));
            }
            if (!$subcategoryId) {
                continue;
            }
            $category = $categoryList->getCategory($categoryId);
            if (!$category->hasSubcategory($subcategoryId)) {
                $category->addSubcategory($this->createSubcategory($categoryId, $subcategoryId));
            }
        }
    }