OGP画像が全て代替イメージになっていたため、サムネイルのスクレイピングを実施

app/MetadataResolver/ToranoanaResolver.php

@@ -28,7 +28,17 @@ class ToranoanaResolver implements Resolver
 
         $res = $this->client->get($url, ['cookies' => $cookieJar]);
         if ($res->getStatusCode() === 200) {
-            return $this->ogpResolver->parse($res->getBody());
+            $metadata = $this->ogpResolver->parse($res->getBody());
+
+            $dom = new \DOMDocument();
+            @$dom->loadHTML(mb_convert_encoding($res->getBody(), 'HTML-ENTITIES', 'UTF-8'));
+            $xpath = new \DOMXPath($dom);
+            $imgNode = $xpath->query('//*[@id="preview"]//img')->item(0);
+            if ($imgNode !== null) {
+                $metadata->image = $imgNode->getAttribute('src');
+            }
+
+            return $metadata;
         } else {
             throw new \RuntimeException("{$res->getStatusCode()}: $url");
         }