invoiceninja/app/Http/Requests/GroupSetting/UpdateGroupSettingRequest.php

<?php
/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://opensource.org/licenses/AAL
 */

namespace App\Http\Requests\GroupSetting;

use App\DataMapper\CompanySettings;
use App\Http\Requests\Request;
use App\Http\ValidationRules\ValidClientGroupSettingsRule;

class UpdateGroupSettingRequest extends Request
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize() : bool
    {
        return auth()->user()->can('edit', $this->group_setting);
    }

    public function rules()
    {
        $rules['settings'] = new ValidClientGroupSettingsRule();

//        $rules['name'] = 'unique:group_settings,name,'.$this->id.',id,company_id,'.$this->group_setting->company_id;

        return $rules;
    }

    protected function prepareForValidation()
    {
        $input = $this->all();

        if (array_key_exists('settings', $input)) {
            $input['settings'] = $this->filterSaveableSettings($input['settings']);
        }

        $this->replace($input);
    }

    /**
     * For the hosted platform, we restrict the feature settings.
     *
     * This method will trim the company settings object
     * down to the free plan setting properties which
     * are saveable
     *
     * @param  object $settings
     * @return stdClass $settings
     */
    private function filterSaveableSettings($settings)
    {
        $account = $this->group_setting->company->account;

        if (! $account->isFreeHostedClient()) {
            return $settings;
        }

        $saveable_casts = CompanySettings::$free_plan_casts;

        foreach ($settings as $key => $value) {
            if (! array_key_exists($key, $saveable_casts)) {
                unset($settings->{$key});
            }
        }

        return $settings;
    }
}