Merge pull request #278 from shikorism/feature/nicoseiga-tags

ニコニコ静画のタグを取得する & テストの追加

app/MetadataResolver/NicoSeigaResolver.php

@@ -3,6 +3,7 @@
 namespace App\MetadataResolver;
 
 use GuzzleHttp\Client;
+use Symfony\Component\DomCrawler\Crawler;
 
 class NicoSeigaResolver implements Resolver
 {
@@ -24,16 +25,18 @@ class NicoSeigaResolver implements Resolver
     public function resolve(string $url): Metadata
     {
         $res = $this->client->get($url);
-        if ($res->getStatusCode() === 200) {
-            $metadata = $this->ogpResolver->parse($res->getBody());
+        $html = (string)$res->getBody();
+        $metadata = $this->ogpResolver->parse($html);
+        $crawler = new Crawler($html);
 
-            // ページURLからサムネイルURLに変換
-            preg_match('~http://(?:(?:sp\\.)?seiga\\.nicovideo\\.jp/seiga(?:/#!)?|nico\\.ms)/im(\\d+)~', $url, $matches);
-            $metadata->image = "http://lohas.nicoseiga.jp/thumb/${matches[1]}l?";
+        // タグ
+        $excludeTags = ['R-15'];
+        $metadata->tags = array_values(array_diff($crawler->filter('.tag')->extract(['_text']), $excludeTags));
 
-            return $metadata;
-        } else {
-            throw new \RuntimeException("{$res->getStatusCode()}: $url");
-        }
+        // 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;
     }
 }