firefly-iii/app/Http/Controllers/HelpController.php
2017-07-23 07:30:05 +02:00

121 lines
2.9 KiB
PHP

<?php
/**
* HelpController.php
* Copyright (C) 2016 thegrumpydictator@gmail.com
*
* This software may be modified and distributed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International License.
*
* See the LICENSE file for details.
*/
declare(strict_types=1);
namespace FireflyIII\Http\Controllers;
use FireflyIII\Helpers\Help\HelpInterface;
use Log;
use Preferences;
use Response;
/**
* Class HelpController
*
* @package FireflyIII\Http\Controllers
*/
class HelpController extends Controller
{
/** @var HelpInterface */
private $help;
/**
* HelpController constructor.
*/
public function __construct()
{
parent::__construct();
$this->middleware(
function ($request, $next) {
$this->help = app(HelpInterface::class);
return $next($request);
}
);
}
/**
* @param $route
*
* @return \Illuminate\Http\JsonResponse
*/
public function show(string $route)
{
$language = Preferences::get('language', config('firefly.default_language', 'en_US'))->data;
$html = $this->getHelpText($route, $language);
return Response::json(['html' => $html]);
}
/**
* @param string $route
* @param string $language
*
* @return string
*/
private function getHelpText(string $route, string $language): string
{
// get language and default variables.
$content = '<p>' . strval(trans('firefly.route_has_no_help')) . '</p>';
// if no such route, log error and return default text.
if (!$this->help->hasRoute($route)) {
Log::error('No such route: ' . $route);
return $content;
}
// help content may be cached:
if ($this->help->inCache($route, $language)) {
$content = $this->help->getFromCache($route, $language);
Log::debug(sprintf('Help text %s was in cache.', $language));
return $content;
}
// get help content from Github:
$content = $this->help->getFromGithub($route, $language);
// content will have 0 length when Github failed. Try en_US when it does:
if (strlen($content) === 0) {
$language = 'en_US';
// also check cache first:
if ($this->help->inCache($route, $language)) {
Log::debug(sprintf('Help text %s was in cache.', $language));
$content = $this->help->getFromCache($route, $language);
return $content;
}
$content = $this->help->getFromGithub($route, $language);
}
// help still empty?
if (strlen($content) !== 0) {
$this->help->putInCache($route, $language, $content);
return $content;
}
return '<p>' . strval(trans('firefly.route_has_no_help')) . '</p>';
}
}