Lochmueller\LanguageDetection\Check\BotAgentCheck

Complexity

Total Complexity

3

Size/Duplication

Total Lines	14
Duplicated Lines	0 %

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__invoke()	0	4	2
A	isBot()	0	3	1

<?php

declare(strict_types=1);

namespace Lochmueller\LanguageDetection\Check;

use Lochmueller\LanguageDetection\Event\CheckLanguageDetectionEvent;
use Psr\Http\Message\ServerRequestInterface;

class BotAgentCheck
{
    protected const BOT_PATTERN = '/bot|google|baidu|bing|msn|teoma|slurp|yandex/i';

    public function __invoke(CheckLanguageDetectionEvent $event): void
    {
        if ($this->isBot($event->getRequest())) {
            $event->disableLanguageDetection();
        }
    }

    protected function isBot(ServerRequestInterface $request): bool
    {
        return (bool)preg_match(self::BOT_PATTERN, $request->getHeaderLine('user-agent'));
    }
}