first commit

wp-content/plugins/sitepress-multilingual-cms/classes/menu/translation-roles/RoleValidator.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace WPML\TM\Menu\TranslationRoles;
+
+use WPML\FP\Obj;
+
+class RoleValidator {
+
+	/**
+	 * Checks if a specific role is valid.
+	 *
+	 * @param string $roleName
+	 * @return bool
+	 */
+	public static function isValid( $roleName ) {
+		$wp_role = get_role( $roleName );
+		return $wp_role instanceof \WP_Role;
+	}
+
+	/**
+	 * @param string $roleName
+	 *
+	 * @return string|null
+	 */
+	public static function getTheHighestPossibleIfNotValid( $roleName ) {
+		$wp_role = get_role( $roleName );
+		$user    = wp_get_current_user();
+		if ( \WPML_WP_Roles::get_highest_level( $wp_role->capabilities ) > \WPML_WP_Roles::get_user_max_level( $user ) ) {
+			$wp_role = current( \WPML_WP_Roles::get_roles_up_to_user_level( $user ) );
+			if ( ! $wp_role ) {
+				return null;
+			}
+
+			$roleName = Obj::prop( 'name', $wp_role );
+		}
+
+		return $roleName;
+	}
+}