refactor: remove forum and topic feature chains

inc/helpers/aksrt-page-template.php

@@ -0,0 +1,54 @@
+<?php
+/**
+ * Generic page-template URL helpers.
+ *
+ * Page-template assignment is the source of truth for resolving public URLs
+ * for custom page templates (submit form, etc.).
+ *
+ * @package AKSRT
+ */
+
+defined('ABSPATH') || exit;
+
+if (!function_exists('aksrt_get_page_url_by_template')) :
+	/**
+	 * Resolve the first published page that uses a given page template file.
+	 *
+	 * @param string $template_file Relative theme template path (e.g. templates/pages/page-submit.php).
+	 */
+	function aksrt_get_page_url_by_template(string $template_file): string {
+		$template_file = ltrim(str_replace('\\', '/', $template_file), '/');
+		if ($template_file === '') {
+			return '';
+		}
+
+		static $cache = [];
+		if (array_key_exists($template_file, $cache)) {
+			return $cache[$template_file];
+		}
+
+		$pages = get_posts([
+			'post_type'              => 'page',
+			'post_status'            => 'publish',
+			'posts_per_page'         => 1,
+			'orderby'                => 'menu_order title',
+			'order'                  => 'ASC',
+			'no_found_rows'          => true,
+			'update_post_meta_cache' => false,
+			'update_post_term_cache' => false,
+			'meta_key'               => '_wp_page_template',
+			'meta_value'             => $template_file,
+		]);
+
+		$url = '';
+		if (!empty($pages[0]) && $pages[0] instanceof WP_Post) {
+			$permalink = get_permalink($pages[0]);
+			if (is_string($permalink) && $permalink !== '') {
+				$url = $permalink;
+			}
+		}
+
+		$cache[$template_file] = $url;
+		return $url;
+	}
+endif;