feat: Controller.php Add custom Config\Validation class

system/Controller.php

@@ -72,6 +72,13 @@ class Controller
      */
     protected $validator;
 
+    /**
+     * Config Validation file
+     *
+     * @var Validation
+     */
+    protected $configValidation;
+
     /**
      * Constructor.
      *
@@ -81,9 +88,10 @@ class Controller
      */
     public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
     {
-        $this->request  = $request;
-        $this->response = $response;
-        $this->logger   = $logger;
+        $this->request          = $request;
+        $this->response         = $response;
+        $this->logger           = $logger;
+        $this->configValidation = config(Validation::class);
 
         if ($this->forceHTTPS > 0) {
             $this->forceHTTPS($this->forceHTTPS);
@@ -152,16 +160,22 @@ protected function validateData(array $data, $rules, array $messages = [], ?stri
         return $this->validator->run($data, null, $dbGroup);
     }
 
+    protected function setConfigValidator(Validation $config): void
+    {
+        $this->configValidation = $config;
+    }
+
     /**
      * @param array|string $rules
+     * @param array        $messages An array of custom error messages
      */
     private function setValidator($rules, array $messages): void
     {
         $this->validator = service('validation');
 
         // If you replace the $rules array with the name of the group
         if (is_string($rules)) {
-            $validation = config(Validation::class);
+            $validation = $this->configValidation;
 
             // If the rule wasn't found in the \Config\Validation, we
             // should throw an exception so the developer can find it.

user_guide_src/source/incoming/controllers.rst

@@ -108,6 +108,22 @@
 
 .. literalinclude:: controllers/006.php
 
+.. _controller-setconfigvalidator:
+
+$this->setConfigValidator()
+=================
+
+.. versionadded:: 4.x.x
+
+If you need to validate rules that are in a personal validation file and this extension class of the ``Config\Validation`` class is extended, you can configure it as follows.
+Can be useful when working with standalone modules.
+
+It is required that you extend from the ``Config\Validation`` class.
+
+By default, the ``Config\Validation`` class is used.
+
+.. literalinclude:: controllers/026.php
+
 .. _controller-validate:
 
 $this->validate()

user_guide_src/source/incoming/controllers/026.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace CustomModule\Config;
+
+use Config\Validation;
+
+class ModuleValidation extends Validation
+{
+    public array $rule = [];
+
+    // ...
+}
+
+namespace App\Controllers;
+
+use CustomModule\Config\ModuleValidation;
+
+class Helloworld extends BaseController
+{
+    public function index()
+    {
+        $this->setConfigValidator(config(ModuleValidation::class));
+    }
+}