sfp_api_laravel_ginastica_cerebro/app/Http/Requests/FranchiseeContractRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class FranchiseeContractRequest extends FormRequest
{
    public function rules(): array
    {
        $rules = [
            'start_date'                   => 'nullable|date',
            'end_date'                     => 'nullable|date|after:start_date',
            'tbr_fixed_value'              => 'nullable|numeric|min:0',
            'invoice_due_date'             => 'nullable|integer|between:1,31',
            'inhabitant_classification_id' => 'nullable|integer|exists:inhabitant_classifications,id',
            'tbr_fixed_value_percentage'   => 'nullable|numeric|between:0,1',
            'marketing_fund_percentage'    => 'nullable|numeric|between:0,1',
            'maintance_tax_percentage'     => 'nullable|numeric|between:0,1',
        ];

        if ($this->isMethod('POST')) {
            $rules['unit_id']        = 'required|integer|exists:units,id';
            $rules['start_date']     = 'required|date';
            $rules['end_date']       = 'required|date|after:start_date';
            $rules['tbr_fixed_value'] = 'required|numeric|min:0';
        }

        return $rules;
    }
}