tissue/app/MetadataResolver/NicoSeigaResolver.php

<?php

namespace App\MetadataResolver;

use GuzzleHttp\Client;
use Symfony\Component\DomCrawler\Crawler;

class NicoSeigaResolver implements Resolver
{
    /**
     * @var Client
     */
    private $client;
    /**
     * @var OGPResolver
     */
    private $ogpResolver;

    public function __construct(Client $client, OGPResolver $ogpResolver)
    {
        $this->client = $client;
        $this->ogpResolver = $ogpResolver;
    }

    public function resolve(string $url): Metadata
    {
        $res = $this->client->get($url);
        $html = (string)$res->getBody();
        $metadata = $this->ogpResolver->parse($html);
        $crawler = new Crawler($html);

        // タグ
        $excludeTags = ['R-15'];
        $metadata->tags = array_values(array_diff($crawler->filter('.tag')->extract(['_text']), $excludeTags));

        // ページURLからサムネイルURLに変換
        preg_match('~https?://(?:(?:sp\\.)?seiga\\.nicovideo\\.jp/seiga(?:/#!)?|nico\\.ms)/im(\\d+)~', $url, $matches);
        $metadata->image = "https://lohas.nicoseiga.jp/thumb/${matches[1]}l?";

        return $metadata;
    }
}