perf: cache getAttributeNames

framework/core/src/Foundation/AbstractValidator.php

@@ -9,6 +9,7 @@
 
 namespace Flarum\Foundation;
 
+use Illuminate\Contracts\Cache\Store as Cache;
 use Illuminate\Support\Arr;
 use Illuminate\Validation\Factory;
 use Illuminate\Validation\ValidationException;
@@ -18,6 +19,8 @@ abstract class AbstractValidator
 {
     use ExtensionIdTrait;
 
+    public static string $CORE_VALIDATION_CACHE_KEY = 'core.validation.extension_id_class_names';
+
     /**
      * @var array
      */
@@ -43,14 +46,20 @@ public function addConfiguration($callable)
      */
     protected $translator;
 
+    /**
+     * @var Cache
+     */
+    protected $cache;
+
     /**
      * @param Factory $validator
      * @param TranslatorInterface $translator
      */
-    public function __construct(Factory $validator, TranslatorInterface $translator)
+    public function __construct(Factory $validator, TranslatorInterface $translator, Cache $cache)
     {
         $this->validator = $validator;
         $this->translator = $translator;
+        $this->cache = $cache;
     }
 
     /**
@@ -88,6 +97,10 @@ protected function getMessages()
      */
     protected function getAttributeNames()
     {
+        if ($this->cache->get(self::$CORE_VALIDATION_CACHE_KEY) !== null) {
+            return $this->cache->get(self::$CORE_VALIDATION_CACHE_KEY);
+        }
+
         $extId = $this->getClassExtensionId();
         $attributeNames = [];
 
@@ -96,6 +109,8 @@ protected function getAttributeNames()
             $attributeNames[$attribute] = $this->translator->trans($key);
         }
 
+        $this->cache->forever(self::$CORE_VALIDATION_CACHE_KEY, $attributeNames);
+
         return $attributeNames;
     }