sfp_api_laravel_serprati/app/Http/Requests/PartnerAgreementRequest.php

<?php

namespace App\Http\Requests;

use App\Enums\PartnerAgreementStatusEnum;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class PartnerAgreementRequest extends FormRequest
{
    public function rules(): array
    {
        $cnpjUnique = 'unique:partner_agreements,cnpj';
        if ($this->isMethod('put') && $this->route('id')) {
            $cnpjUnique = 'unique:partner_agreements,cnpj,' . $this->route('id');
        }

        $rules = [
            'company_name'        => 'sometimes|string|max:255',
            'cnpj'                => ['sometimes', 'nullable', 'string', 'max:18', $cnpjUnique],
            'category_id'         => 'sometimes|nullable|integer|exists:categories,id',
            'responsible'         => 'sometimes|nullable|string|max:255',
            'discount_percentage' => 'sometimes|nullable|numeric|min:0|max:100',
            'description'         => 'sometimes|nullable|string',
            'email'               => 'sometimes|nullable|email|max:255',
            'phone'               => 'sometimes|nullable|string|max:20',
            'whatsapp'            => 'sometimes|nullable|string|max:20',
            'website'             => 'sometimes|nullable|string|max:255',
            'address'             => 'sometimes|nullable|string|max:255',
            'neighborhood'        => 'sometimes|nullable|string|max:255',
            'city_id'             => 'sometimes|nullable|integer|exists:cities,id',
            'state_id'            => 'sometimes|nullable|integer|exists:states,id',
            'zip_code'            => 'sometimes|nullable|string|max:9',
            'working_hours'       => 'sometimes|nullable|string|max:255',
            'contract_start'      => 'sometimes|nullable|date',
            'contract_end'        => 'sometimes|nullable|date|after_or_equal:contract_start',
            'status'              => ['sometimes', Rule::enum(PartnerAgreementStatusEnum::class)],
        ];

        if ($this->isMethod('post')) {
            $rules['company_name'] = 'required|string|max:255';
        }

        return $rules;
    }
}