Add manual refresh plugin action

inc/class-refresh.php

@@ -0,0 +1,69 @@
+<?php
+/**
+ * @package ogre-sort
+ * @author cleverogre
+ * @copyright 2025 CleverOgre
+ * @license GLP-3.0-or-later
+ * @version 1.1.0
+ * @since 1.1.0
+ */
+
+namespace Ogre\Sort;
+
+use Ogre\Singleton;
+use Ogre\Sort as Plugin;
+
+defined('ABSPATH') || exit;
+
+final class Refresh {
+    use Singleton;
+
+    const CAPABILITY = 'manage_options';
+    const ACTION = 'ogre-sort-refresh';
+
+    protected function __construct() {
+        add_filter('plugin_action_links_' . Plugin::get_basename(), [$this, 'action_links'], 5);
+        add_action('admin_post_' . self::ACTION, [$this, 'handle_action']);
+        add_action('admin_notices', [$this, 'handle_notices']);
+    }
+
+    public function action_links($links) {
+        if (current_user_can(self::CAPABILITY)) {
+            array_unshift($links, sprintf(
+                '<a href="%s">%s</a>',
+                esc_url(add_query_arg([
+                    '_wpnonce' => wp_create_nonce(self::ACTION),
+                ], self::get_url())),
+                esc_html(Plugin::__('Refresh'))
+            ));
+        }
+        return $links;
+    }
+
+    public function handle_action():void {
+        if (!current_user_can(self::CAPABILITY)) wp_die(Plugin::__('Invalid request.'));
+        check_admin_referer(self::ACTION);
+
+        Sort::instance()->refresh_all();
+
+        wp_redirect(add_query_arg([
+            self::ACTION => '1',
+        ], Settings::get_url()));
+        exit;
+    }
+
+    public function handle_notices():void {
+        if (!current_user_can(self::CAPABILITY) || $_GET['page'] != Plugin::get_id() || !isset($_GET[self::ACTION])) return;
+        printf(
+            '<div class="notice notice-success is-dismissable"><p>%s</p></div>',
+            Plugin::esc_html__('All sort relationships successfully refreshed!')
+        );
+    }
+
+    public static function get_url():string {
+        return admin_url('admin-post.php?action=' . self::ACTION);
+    }
+
+}
+
+Refresh::instance();

ogre-sort.php

@@ -41,6 +41,7 @@ final class Sort extends Plugin {
         $this->add_files([
             'inc/class-settings.php',
             'inc/class-sort.php',
+            'inc/class-refresh.php',
         ]);
     }