tissue/app/MetadataResolver/NarouResolver.php

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<?php
namespace App\MetadataResolver;
use GuzzleHttp\Client;
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use GuzzleHttp\Cookie\CookieJar;
class NarouResolver implements Resolver
{
/**
* @var Client
*/
private $client;
/**
* @var OGPResolver
*/
private $ogpResolver;
public function __construct(Client $client, OGPResolver $ogpResolver)
{
$this->client = $client;
$this->ogpResolver = $ogpResolver;
}
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public function resolve(string $url): Metadata
{
$cookieJar = CookieJar::fromArray(['over18' => 'yes'], '.syosetu.com');
$res = $this->client->get($url, ['cookies' => $cookieJar]);
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if ($res->getStatusCode() === 200) {
$metadata = $this->ogpResolver->parse($res->getBody());
$metadata->description = '';
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$dom = new \DOMDocument();
@$dom->loadHTML(mb_convert_encoding($res->getBody(), 'HTML-ENTITIES', 'ASCII,JIS,UTF-8,eucJP-win,SJIS-win'));
$xpath = new \DOMXPath($dom);
$description = [];
// 作者名
$writerNodes = $xpath->query('//*[contains(@class, "novel_writername")]');
if ($writerNodes->length !== 0 && !empty($writerNodes->item(0)->textContent)) {
$description[] = trim($writerNodes->item(0)->textContent);
}
// あらすじ
$exNodes = $xpath->query('//*[@id="novel_ex"]');
if ($exNodes->length !== 0 && !empty($exNodes->item(0)->textContent)) {
$summary = trim($exNodes->item(0)->textContent);
$description[] = mb_strimwidth($summary, 0, 101, '…'); // 100 + '…'(1)
}
$metadata->description = implode(' / ', $description);
return $metadata;
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} else {
throw new \RuntimeException("{$res->getStatusCode()}: $url");
}
}
}