sfp_api_laravel_ginastica_cerebro/app/Http/Requests/StudentContractRequest.php

<?php

namespace App\Http\Requests;

use Carbon\CarbonImmutable;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Validator;

class StudentContractRequest extends FormRequest
{
    public function rules(): array
    {
        return [
            'student_id'               => 'required|exists:students,id',
            'protocol'                 => 'sometimes|nullable|string|max:255',
            'signature_date'           => 'sometimes|nullable|date_format:Y-m-d',
            'end_date'                 => 'sometimes|nullable|date_format:Y-m-d',
            'class_package_unit_id'    => 'required|exists:class_package_units,id',
            'class_quantity'           => 'sometimes|nullable|integer|min:1',
            'weekday'                  => 'sometimes|nullable|integer|min:0|max:6',
            'start_time'               => 'sometimes|nullable|date_format:H:i',
            'end_time'                 => 'sometimes|nullable|date_format:H:i',
            'second_weekday'           => 'sometimes|nullable|integer|min:0|max:6',
            'second_start_time'        => 'sometimes|nullable|date_format:H:i',
            'second_end_time'          => 'sometimes|nullable|date_format:H:i',
            'due_day'                  => 'sometimes|nullable|integer|min:1|max:31',
            'tax_register'             => 'sometimes|nullable|numeric|min:0',
            'installments'             => 'sometimes|nullable|integer|min:1|max:12',
            'enrollment_due_date'      => 'sometimes|nullable|date_format:Y-m-d',
            'package_value'            => 'sometimes|nullable|numeric|min:0',
            'package_installments'     => 'sometimes|nullable|integer|min:1|max:13',
            'package_due_date'         => 'sometimes|nullable|date_format:Y-m-d',
            'early_payment_discount'   => 'sometimes|nullable|numeric|min:0|max:100',
            'interest_rate'            => 'sometimes|nullable|numeric|min:0',
            'payment_method'           => 'sometimes|nullable|string|in:pix,credit_card,debit_card',
            'fine_cancelled'           => 'sometimes|nullable|numeric|min:0|max:100',
        ];
    }

    public function after(): array
    {
        return [
            function (Validator $validator): void {
                if (
                    ! $this->isMethod('POST')
                    || ! $this->filled(['signature_date', 'end_date'])
                    || $validator->errors()->hasAny(['signature_date', 'end_date'])
                ) {
                    return;
                }

                $signatureDate = CarbonImmutable::createFromFormat('!Y-m-d', $this->string('signature_date')->toString());
                $endDate = CarbonImmutable::createFromFormat('!Y-m-d', $this->string('end_date')->toString());

                if ($endDate->greaterThan($signatureDate->addYearNoOverflow())) {
                    $validator->errors()->add(
                        'end_date',
                        __('validation.student_contract_max_duration'),
                    );
                }
            },
        ];
    }
}