invoiceninja/app/Http/Requests/Company/UpdateCompanyRequest.php

<?php
/**
 * Invoice Ninja (https://invoiceninja.com)
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2020. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://opensource.org/licenses/AAL
 */

namespace App\Http\Requests\Company;

use App\Http\Requests\Request;
use App\Http\ValidationRules\ValidSettingsRule;
use Illuminate\Support\Facades\Log;
use Illuminate\Validation\Rule;

class UpdateCompanyRequest extends Request
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */

    public function authorize() : bool
    {
        return auth()->user()->can('edit', $this->company);
    }


    public function rules()
    {
        $rules = [];

        $rules['company_logo'] = 'mimes:jpeg,jpg,png,gif|max:10000'; // max 10000kb
        $rules['settings'] = new ValidSettingsRule();
        $rules['industry_id'] = 'integer|nullable';
        $rules['size_id'] = 'integer|nullable';
        $rules['country_id'] = 'integer|nullable';
        $rules['work_email'] = 'email|nullable';

        if (isset($rules['portal_mode']) && ($rules['portal_mode'] == 'domain' || $rules['portal_mode'] == 'iframe')) {
            $rules['portal_domain'] = 'sometimes|url';
        } else {
            $rules['portal_domain'] = 'nullable|alpha_num';
        }

        return $rules;
    }
}