Merge pull request #60 from WendellAdriel/feature/after-hook

Add after hook for validation

src/ValidatedDTO.php

@@ -33,6 +33,11 @@ public function attributes(): array
         return [];
     }
 
+    protected function after(\Illuminate\Validation\Validator $validator): void
+    {
+        // Do nothing
+    }
+
     /**
      * Builds the validated data from the given data and the rules.
      *
@@ -84,6 +89,8 @@ protected function isValidData(): bool
             $this->attributes()
         );
 
+        $this->validator->after(fn (\Illuminate\Validation\Validator $validator) => $this->after($validator));
+
         return $this->validator->passes();
     }
 

tests/Datasets/NameAfterDTO.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace WendellAdriel\ValidatedDTO\Tests\Datasets;
+
+use Illuminate\Validation\Validator;
+use WendellAdriel\ValidatedDTO\Attributes\Rules;
+use WendellAdriel\ValidatedDTO\Concerns\EmptyCasts;
+use WendellAdriel\ValidatedDTO\Concerns\EmptyDefaults;
+use WendellAdriel\ValidatedDTO\Concerns\EmptyRules;
+use WendellAdriel\ValidatedDTO\ValidatedDTO;
+
+class NameAfterDTO extends ValidatedDTO
+{
+    use EmptyCasts, EmptyDefaults, EmptyRules;
+
+    #[Rules(['required', 'string'])]
+    public string $first_name;
+
+    #[Rules(['required', 'string'])]
+    public string $last_name;
+
+    protected function after(Validator $validator): void
+    {
+        $validator->errors()->add('test', 'After test!');
+    }
+}

tests/Unit/ValidatedDTOTest.php

@@ -16,6 +16,7 @@
 use WendellAdriel\ValidatedDTO\Tests\Datasets\MapBeforeValidationDTO;
 use WendellAdriel\ValidatedDTO\Tests\Datasets\MapDataDTO;
 use WendellAdriel\ValidatedDTO\Tests\Datasets\MappedNameDTO;
+use WendellAdriel\ValidatedDTO\Tests\Datasets\NameAfterDTO;
 use WendellAdriel\ValidatedDTO\Tests\Datasets\NameDTO;
 use WendellAdriel\ValidatedDTO\Tests\Datasets\NullableDTO;
 use WendellAdriel\ValidatedDTO\Tests\Datasets\User;
@@ -60,6 +61,13 @@
         ->toBeNull();
 });
 
+it('handles the after hook when instantiating a ValidatedDTO')
+    ->expect(fn () => new NameAfterDTO([
+        'first_name' => $this->subject_name,
+        'last_name' => $this->subject_name,
+    ]))
+    ->throws(ValidationException::class);
+
 it('returns null when trying to access a property that does not exist', function () {
     $validatedDTO = new ValidatedDTOInstance(['name' => $this->subject_name]);