From 1452d9dbee6fd2179fa057254ebdb1599282059b Mon Sep 17 00:00:00 2001
From: Andy Miller <rhuk@mac.com>
Date: Wed, 5 Oct 2022 06:28:39 -0600
Subject: [PATCH 1/2] added untranslated url caching per-page-route

---
 CHANGELOG.md     |  7 +++++++
 blueprints.yaml  |  2 +-
 langswitcher.php | 46 +++++++++++++++++++++++++++++++---------------
 3 files changed, 39 insertions(+), 16 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12e530f..bcee11e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# v3.0.2
+## mm/dd/2022
+
+1. [](#new)
+   * Require Grav `1.7.37` to make use of the new `Pages::getSimplePagesHash()` method
+   * Added caching to `translated_routes` so translation work is only performed on the first load, resulting in faster subsequent page loads
+
 # v3.0.1
 ## 08/19/2022
 
diff --git a/blueprints.yaml b/blueprints.yaml
index b440a2a..28af80e 100644
--- a/blueprints.yaml
+++ b/blueprints.yaml
@@ -11,7 +11,7 @@ keywords: mulitlang, multilanguage, translation, switcher
 bugs: https://github.com/getgrav/grav-plugin-langswitcher/issues
 license: MIT
 dependencies:
-  - { name: grav, version: '>=1.7.0' }
+  - { name: grav, version: '>=1.7.37' }
 
 form:
   validation: strict
diff --git a/langswitcher.php b/langswitcher.php
index baa91a7..82f22eb 100644
--- a/langswitcher.php
+++ b/langswitcher.php
@@ -2,8 +2,10 @@
 namespace Grav\Plugin;
 
 use Composer\Autoload\ClassLoader;
+use Grav\Common\Cache;
 use Grav\Common\Language\Language;
 use Grav\Common\Language\LanguageCodes;
+use Grav\Common\Page\Interfaces\PageInterface;
 use Grav\Common\Page\Page;
 use Grav\Common\Page\Pages;
 use \Grav\Common\Plugin;
@@ -96,14 +98,24 @@ protected function getTranslatedUrl($lang, $path)
      */
     public function onTwigSiteVariables()
     {
-        $data = new \stdClass;
 
+        /** @var PageInterface $page */
         $page = $this->grav['page'];
+
+        /** @var Pages $pages */
+        $pages = $this->grav['pages'];
+
+        /** @var Cache $cache */
+        $cache = $this->grav['cache'];
+
+        $data = new \stdClass;
         $data->page_route = $page->rawRoute();
         if ($page->home()) {
             $data->page_route = '/';
         }
 
+        $translated_cache_key = md5('translated_cache_key'.$data->page_route.$pages->getSimplePagesHash());
+
         $languages = $this->grav['language']->getLanguages();
         $data->languages = $languages;
 
@@ -129,24 +141,28 @@ public function onTwigSiteVariables()
         $active = $language->getActive() ?? $language->getDefault();
 
         if ($this->config->get('plugins.langswitcher.translated_urls', true)) {
-            $data->translated_routes = array();
-            $translate_langs = $data->languages;
+            $data->translated_routes = $cache->fetch($translated_cache_key);
 
-            if (($key = array_search($active, $translate_langs)) !== false) {
-                $data->translated_routes[$active] = $page->url();
-                unset($translate_langs[$key]);
-            }
+            if ($data->translated_routes === false) {
+                $translate_langs = $data->languages;
+
+                if (($key = array_search($active, $translate_langs)) !== false) {
+                    $data->translated_routes[$active] = $page->url();
+                    unset($translate_langs[$key]);
+                }
 
-            foreach ($translate_langs as $lang) {
-                $data->translated_routes[$lang] = $this->getTranslatedUrl($lang, $page->path());
-                if (is_null($data->translated_routes[$lang])) {
-                    $data->translated_routes[$lang] = $data->page_route;
+                foreach ($translate_langs as $lang) {
+                    $data->translated_routes[$lang] = $this->getTranslatedUrl($lang, $page->path());
+                    if (is_null($data->translated_routes[$lang])) {
+                        $data->translated_routes[$lang] = $data->page_route;
+                    }
                 }
+                // Reset pages to current active language
+                $language->init();
+                $language->setActive($active);
+                $this->grav['pages']->reset();
+                $cache->save($translated_cache_key, $data->translated_routes);
             }
-            // Reset pages to current active language
-            $language->init();
-            $language->setActive($active);
-            $this->grav['pages']->reset();
         }
 
         $data->current = $language->getLanguage();

From 4f9c6c134272a3e7a080150c67ac6c4f374837f7 Mon Sep 17 00:00:00 2001
From: Andy Miller <rhuk@mac.com>
Date: Wed, 5 Oct 2022 11:26:39 -0600
Subject: [PATCH 2/2] prepare for release

---
 CHANGELOG.md    | 2 +-
 blueprints.yaml | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index bcee11e..165780c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,5 @@
 # v3.0.2
-## mm/dd/2022
+## 10/05/2022
 
 1. [](#new)
    * Require Grav `1.7.37` to make use of the new `Pages::getSimplePagesHash()` method
diff --git a/blueprints.yaml b/blueprints.yaml
index 28af80e..910baee 100644
--- a/blueprints.yaml
+++ b/blueprints.yaml
@@ -1,6 +1,6 @@
 name: LangSwitcher
-version: 3.0.1
-description: LangSwitcher is a [Grav](http://github.com/getgrav/grav) plugin that provides native language text links to switch between [multiple languages](http://learn.getgrav.org/content/multi-language) in Grav **v0.9.30** or greater.
+version: 3.0.2
+description: LangSwitcher is a [Grav](https://github.com/getgrav/grav) plugin that provides native language text links to switch between [multiple languages](http://learn.getgrav.org/content/multi-language) in Grav **v0.9.30** or greater.
 icon: globe
 author:
   name: Team Grav