In Nested rule call afterInitAttribute() in nested rules (#438)

* In `Nested` rule call `afterInitAttribute()` in nested rules

* Apply fixes from StyleCI

Co-authored-by: StyleCI Bot <bot@styleci.io>

src/Rule/Nested.php

@@ -11,6 +11,7 @@
 use ReflectionProperty;
 use Traversable;
 use Yiisoft\Strings\StringHelper;
+use Yiisoft\Validator\AfterInitAttributeEventInterface;
 use Yiisoft\Validator\PropagateOptionsInterface;
 use Yiisoft\Validator\Rule\Trait\SkipOnEmptyTrait;
 use Yiisoft\Validator\Rule\Trait\SkipOnErrorTrait;
@@ -44,7 +45,8 @@ final class Nested implements
     SkipOnErrorInterface,
     WhenInterface,
     SkipOnEmptyInterface,
-    PropagateOptionsInterface
+    PropagateOptionsInterface,
+    AfterInitAttributeEventInterface
 {
     use SkipOnEmptyTrait;
     use SkipOnErrorTrait;
@@ -307,6 +309,21 @@ public function propagateOptions(): void
         $this->rules = $rules;
     }
 
+    public function afterInitAttribute(object $object): void
+    {
+        if ($this->rules === null) {
+            return;
+        }
+
+        foreach ($this->rules as $rules) {
+            foreach ((is_iterable($rules) ? $rules : [$rules]) as $rule) {
+                if ($rule instanceof AfterInitAttributeEventInterface) {
+                    $rule->afterInitAttribute($object);
+                }
+            }
+        }
+    }
+
     #[ArrayShape([
         'requirePropertyPath' => 'bool',
         'noRulesWithNoObjectMessage' => 'array',

tests/Support/Data/NestedWithCallbackAttribute.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\Validator\Tests\Support\Data;
+
+use Yiisoft\Validator\Result;
+use Yiisoft\Validator\Rule\Callback;
+use Yiisoft\Validator\Rule\Nested;
+
+#[Nested([
+    'a' => new Callback(method: 'validateA'),
+])]
+final class NestedWithCallbackAttribute
+{
+    private int $a = 7;
+
+    #[Nested([
+        'x' => new Callback(method: 'validateB'),
+    ])]
+    private array $b = [
+        'x' => 5,
+    ];
+
+    private function validateA(): Result
+    {
+        return (new Result())->addError('Invalid A.');
+    }
+
+    private function validateB(): Result
+    {
+        return (new Result())->addError('Invalid B.');
+    }
+}

tests/TestEnvironments/Php81/Rule/NestedTest.php

@@ -9,6 +9,7 @@
 use Yiisoft\Validator\Rule\Nested;
 use Yiisoft\Validator\Rule\Number;
 use Yiisoft\Validator\Tests\Support\Data\NestedClassAttribute;
+use Yiisoft\Validator\Tests\Support\Data\NestedWithCallbackAttribute;
 use Yiisoft\Validator\Tests\Support\Data\ObjectWithDifferentPropertyVisibility;
 use Yiisoft\Validator\Validator;
 
@@ -79,4 +80,17 @@ public function testClassAttribute(): void
             $result->getErrorMessagesIndexedByAttribute()
         );
     }
+
+    public function testWithCallbackAttribute(): void
+    {
+        $result = (new Validator())->validate(new NestedWithCallbackAttribute());
+
+        $this->assertSame(
+            [
+                'a' => ['Invalid A.'],
+                'b' => ['Invalid B.'],
+            ],
+            $result->getErrorMessagesIndexedByAttribute()
+        );
+    }
 }