Exposed domain on short URLs

module/Core/src/Entity/Domain.php

@@ -4,9 +4,10 @@ declare(strict_types=1);
 
 namespace Shlinkio\Shlink\Core\Entity;
 
+use JsonSerializable;
 use Shlinkio\Shlink\Common\Entity\AbstractEntity;
 
-class Domain extends AbstractEntity
+class Domain extends AbstractEntity implements JsonSerializable
 {
     private string $authority;
 
@@ -19,4 +20,9 @@ class Domain extends AbstractEntity
     {
         return $this->authority;
     }
+
+    public function jsonSerialize(): string
+    {
+        return $this->getAuthority();
+    }
 }

module/Core/src/Entity/ShortUrl.php

@@ -69,6 +69,11 @@ class ShortUrl extends AbstractEntity
         return $this->dateCreated;
     }
 
+    public function getDomain(): ?Domain
+    {
+        return $this->domain;
+    }
+
     /**
      * @return Collection|Tag[]
      */

module/Core/src/Transformer/ShortUrlDataTransformer.php

@@ -24,16 +24,15 @@ class ShortUrlDataTransformer implements DataTransformerInterface
      */
     public function transform($shortUrl): array // phpcs:ignore
     {
-        $longUrl = $shortUrl->getLongUrl();
-
         return [
             'shortCode' => $shortUrl->getShortCode(),
             'shortUrl' => $shortUrl->toString($this->domainConfig),
-            'longUrl' => $longUrl,
+            'longUrl' => $shortUrl->getLongUrl(),
             'dateCreated' => $shortUrl->getDateCreated()->toAtomString(),
             'visitsCount' => $shortUrl->getVisitsCount(),
             'tags' => invoke($shortUrl->getTags(), '__toString'),
             'meta' => $this->buildMeta($shortUrl),
+            'domain' => $shortUrl->getDomain(),
         ];
     }