sfp_api_laravel_ginastica_cerebro/app/Http/Requests/TreasuryLaunchRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class TreasuryLaunchRequest extends FormRequest
{
    public function rules(): array
    {
        $isCreate = $this->isMethod('POST');

        return [
            'account_id'                => [$isCreate ? 'required' : 'sometimes', 'integer', 'exists:treasury_accounts,id'],
            'transaction_type'          => [$isCreate ? 'required' : 'sometimes', 'string', Rule::in(['entrada', 'saida'])],
            'description'               => [$isCreate ? 'required' : 'sometimes', 'string', 'max:1000'],
            'amount'                    => [$isCreate ? 'required' : 'sometimes', 'numeric', 'gt:0'],
            'launch_date'               => ['sometimes', 'date'],
            'financial_plan_account_id' => ['nullable', 'integer', 'exists:financial_plan_accounts,id'],
        ];
    }
}