sfp_api_laravel_ginastica_cerebro/app/Http/Requests/UnitRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

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

        $rules = [
            'fantasy_name'      => 'sometimes|required|string|max:255',
            'social_reason'     => 'sometimes|required|string|max:255',
            'cnpj'              => 'sometimes|required|string|max:20',
            'state_registration' => 'sometimes|nullable|string|max:50',
            'name_responsible'  => 'sometimes|required|string|max:255',
            'street'            => 'sometimes|required|string|max:255',
            'address_number'    => 'sometimes|nullable|string|max:20',
            'postal_code'       => 'sometimes|required|string|max:9',
            'neighborhood'      => 'sometimes|required|string|max:255',
            'complement'        => 'sometimes|nullable|string|max:255',
            'city_id'           => 'sometimes|required|integer|exists:cities,id',
            'state_id'          => 'sometimes|required|integer|exists:states,id',
            'email'             => 'sometimes|required|email|max:255',
            'secondary_email'   => 'sometimes|nullable|email|max:255',
            'phone_number'      => 'sometimes|required|string|max:20',
            'cell_number'       => 'sometimes|nullable|string|max:20',
            'avatar'            => 'sometimes|nullable|image|max:2048',
        ];

        if ($isCreate) {
            $required = [
                'fantasy_name',
                'social_reason',
                'cnpj',
                'name_responsible',
                'street',
                'postal_code',
                'neighborhood',
                'city_id',
                'state_id',
                'email',
                'phone_number',
            ];

            foreach ($required as $field) {
                $rules[$field] = str_replace('sometimes|required', 'required', $rules[$field]);
            }
        }

        return $rules;
    }
}