firefly-iii/app/Api/V1/Requests/Models/TransactionCurrency/CurrencyCodeRequest.php

<?php

declare(strict_types=1);

/*
 * CurrencyCodeRequest.php
 * Copyright (c) 2025 james@firefly-iii.org
 *
 * This file is part of Firefly III (https://github.com/firefly-iii).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

namespace FireflyIII\Api\V1\Requests\Models\TransactionCurrency;

use FireflyIII\Api\V1\Requests\ApiRequest;
use Illuminate\Contracts\Validation\Validator;

class CurrencyCodeRequest extends ApiRequest
{
    public function rules(): array
    {
        return ['code' => sprintf('exists:transaction_currencies,code|%s', $this->required)];
    }

    public function withValidator(Validator $validator): void
    {
        $validator->after(function (Validator $validator): void {
            if (!$validator->valid()) {
                return;
            }
            $code = $this->convertString('code', '');
            $this->attributes->set('code', $code);
        });
    }
}