sfp_api_laravel_diarista/app/Http/Requests/UserRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;
use App\Enums\{
    UserTypeEnum,
    LanguageEnum
};
use Illuminate\Validation\Rule;

class UserRequest extends FormRequest
{
    public function rules(): array
    {
        $rules = [
            'avatar' => 'sometimes|string|nullable',
            'name' => 'sometimes|string|nullable',
            'email' => 'sometimes|email|unique:users,email',
            'password' => 'sometimes|string|nullable',
            'type' => ['sometimes', Rule::enum(UserTypeEnum::class)],
            'language' => ['sometimes', Rule::enum(LanguageEnum::class)],
        ];

        if ($this->isMethod('post')) {
            $rules['name'] = 'required|string|max:255';
            $rules['email'] = 'required|email|unique:users,email';
            $rules['password'] = 'required|string|min:6';
            if (!$this->has('language')) {
                $this->merge(['language' => LanguageEnum::PORTUGUESE->value]);
            }
        }

        return $rules;
    }
}