firefly-iii/app/Api/V1/Controllers/ConfigurationController.php

<?php
/**
 * ConfigurationController.php
 * Copyright (c) 2018 thegrumpydictator@gmail.com
 *
 * This file is part of Firefly III.
 *
 * Firefly III is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Firefly III is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace FireflyIII\Api\V1\Controllers;

use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\Configuration;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

/**
 * Class ConfigurationController
 */
class ConfigurationController extends Controller
{

    /**
     * @throws FireflyException
     */
    public function index()
    {
        if (!auth()->user()->hasRole('owner')) {
            throw new FireflyException('No access to method.'); // @codeCoverageIgnore
        }
        $configData = $this->getConfigData();

        return response()->json(['data' => $configData], 200)->header('Content-Type', 'application/vnd.api+json');
    }

    /**
     * @param Request $request
     *
     * @throws FireflyException
     */
    public function update(Request $request): JsonResponse
    {
        if (!auth()->user()->hasRole('owner')) {
            throw new FireflyException('No access to method.'); // @codeCoverageIgnore
        }
        $name  = $request->get('name');
        $value = $request->get('value');
        $valid = ['is_demo_site', 'permission_update_check', 'single_user_mode'];
        if (!\in_array($name, $valid, true)) {
            throw new FireflyException('You cannot edit this configuration value.');
        }
        $configValue = '';
        switch ($name) {
            case 'is_demo_site':
            case 'single_user_mode':
                $configValue = $value === 'true';
                break;
            case 'permission_update_check':
                $configValue = (int)$value >= -1 && (int)$value <= 1 ? (int)$value : -1;
                break;
        }
        app('fireflyconfig')->set($name, $configValue);
        $configData = $this->getConfigData();

        return response()->json(['data' => $configData], 200)->header('Content-Type', 'application/vnd.api+json');
    }

    /**
     * @return array
     */
    private function getConfigData(): array
    {
        /** @var Configuration $isDemoSite */
        $isDemoSite = app('fireflyconfig')->get('is_demo_site');
        /** @var Configuration $updateCheck */
        $updateCheck = app('fireflyconfig')->get('permission_update_check');
        /** @var Configuration $lastCheck */
        $lastCheck = app('fireflyconfig')->get('last_update_check');
        /** @var Configuration $singleUser */
        $singleUser = app('fireflyconfig')->get('single_user_mode');
        $data       = [
            'is_demo_site'            => null === $isDemoSite ? null : $isDemoSite->data,
            'permission_update_check' => null === $updateCheck ? null : (int)$updateCheck->data,
            'last_update_check'       => null === $lastCheck ? null : (int)$lastCheck->data,
            'single_user_mode'        => null === $singleUser ? null : $singleUser->data,
        ];

        return $data;
    }
}