Kb10uyShortStoryServerResolver とテストを追加

app/MetadataResolver/Kb10uyShortStoryServerResolver.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\MetadataResolver;
+
+use GuzzleHttp\Client;
+use Symfony\Component\DomCrawler\Crawler;
+
+class Kb10uyShortStoryServerResolver implements Resolver
+{
+    protected const EXCLUDED_TAGS = ['R-15', 'R-18'];
+
+    /**
+     * @var Client
+     */
+    private $client;
+
+    public function __construct(Client $client)
+    {
+        $this->client = $client;
+    }
+
+    public function resolve(string $url): Metadata
+    {
+        $res = $this->client->get($url);
+        if ($res->getStatusCode() !== 200) {
+            throw new \RuntimeException("{$res->getStatusCode()}: $url");
+
+            return $this->parse($res->getBody());
+        }
+
+        $html = (string) $res->getBody();
+        $crawler = new Crawler($html);
+        $infoElement = $crawler->filter('div.post-info');
+
+        $metadata = new Metadata();
+        $metadata->title = $infoElement->filter('h1')->text();
+        $metadata->description = trim($infoElement->filter('p.summary')->text());
+        $metadata->tags = array_values(array_diff($infoElement->filter('ul.tags > li.tag > a')->extract('_text'), self::EXCLUDED_TAGS));
+
+        return $metadata;
+    }
+}