From 25132cd75ebc929a3756d515ffc7c305106238a3 Mon Sep 17 00:00:00 2001
From: Roman Parpalak <roman@parpalak.com>
Date: Sat, 11 May 2024 19:04:47 +0300
Subject: [PATCH] Invalidating routes cache on options change (tags, favorite
 and blog URLs may be changed).

---
 _admin/options.php                    | 15 ++++++++++++---
 _include/src/Model/ExtensionCache.php |  5 +++++
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/_admin/options.php b/_admin/options.php
index 93463f49..db5242b2 100644
--- a/_admin/options.php
+++ b/_admin/options.php
@@ -199,7 +199,8 @@ function s2_save_options ($opt)
     /** @var DbLayer $s2_db */
     $s2_db = \Container::get(DbLayer::class);
 
-	$return = array();
+	$return = [];
+    $hasChanged = false;
 	($hook = s2_hook('fn_save_options_start')) ? eval($hook) : null;
 
 	foreach ($s2_const_types as $name => $type) {
@@ -218,16 +219,24 @@ function s2_save_options ($opt)
 		($hook = s2_hook('fn_save_options_loop')) ? eval($hook) : null;
 
 		if (constant($name) !== $value) {
-			$query = array(
+            $hasChanged = true;
+			$query = [
 				'UPDATE'	=> 'config',
 				'SET'		=> 'value = \''.$s2_db->escape($value).'\'',
 				'WHERE'		=> 'name = \''.$s2_db->escape($name).'\''
-			);
+            ];
 			($hook = s2_hook('fn_save_options_loop_pre_update_qr')) ? eval($hook) : null;
 			$s2_db->buildAndQuery($query);
 		}
 	}
 
+    if ($hasChanged) {
+        // URL settings for tags and favorite page may be changed
+        /** @var \S2\Cms\Model\ExtensionCache $extensionCache */
+        $extensionCache = \Container::get(\S2\Cms\Model\ExtensionCache::class);
+        $extensionCache->clearRoutesCache();
+    }
+
 	$style = preg_replace('#[\.\\\/]#', '', $opt['style']);
 	if (!file_exists(S2_ROOT.'_styles/'.$style.'/'.$style.'.php')) {
         $return[] = $lang_admin_opt['Invalid style'];
diff --git a/_include/src/Model/ExtensionCache.php b/_include/src/Model/ExtensionCache.php
index 0ec4440a..383c0537 100644
--- a/_include/src/Model/ExtensionCache.php
+++ b/_include/src/Model/ExtensionCache.php
@@ -157,6 +157,11 @@ public function getHookNames(): array
         return $hookNames;
     }
 
+    public function clearRoutesCache(): void
+    {
+        @unlink($this->getCachedRoutesFilename());
+    }
+
     public function getCachedRoutesFilename(): string
     {
         return S2_CACHE_DIR . 'cache_routes.php';