mint/app/Tools/Markdown.php

<?php
namespace App\Tools;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\Log;

class Markdown
{
    public static function driver($driver){
        $GLOBALS['markdown.driver'] = $driver;
    }
    public static function render($text){
        if(isset($GLOBALS['markdown.driver'])){
            if($GLOBALS['markdown.driver'] === 'str'){
                return Markdown::strdown($text);
            }else{
                return Markdown::morus($text);
            }
        }else{
            return Markdown::morus($text);
        }
    }

    public static function morus($text){

        if(isset($GLOBALS['morus_client'])){
            $client = $GLOBALS['morus_client'];
        }else{
            $host = config('mint.server.rpc.morus.host') . ':'. config('mint.server.rpc.morus.port');
            Log::debug('morus host='.$host);
            $client = new \Mint\Morus\V1\MarkdownClient($host, [
                    'credentials' => \Grpc\ChannelCredentials::createInsecure(),
                ]);
            $GLOBALS['morus_client'] = $client;
        }

        $request = new \Mint\Morus\V1\MarkdownToHtmlRequest();
        $request->setPayload($text);
        $request->setSanitize(true);
        list($response, $status) = $client->ToHtml($request)->wait();
        if ($status->code !== \Grpc\STATUS_OK) {
            Log::error("ERROR: " . $status->code . ", " . $status->details);
            return Str::markdown($text);
        }
        return $response->getPayload();
    }

    public static function strdown($text){
        return Str::markdown($text);
    }
}