Extracted logic to stringify ShortUrls to its own service

module/Core/src/ShortUrl/Helper/ShortUrlStringifier.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Core\ShortUrl\Helper;
+
+use Laminas\Diactoros\Uri;
+use Shlinkio\Shlink\Core\Entity\ShortUrl;
+
+class ShortUrlStringifier implements ShortUrlStringifierInterface
+{
+    private array $domainConfig;
+
+    public function __construct(array $domainConfig)
+    {
+        $this->domainConfig = $domainConfig;
+    }
+
+    public function stringify(ShortUrl $shortUrl): string
+    {
+        return (new Uri())->withPath($shortUrl->getShortCode())
+                          ->withScheme($this->domainConfig['schema'] ?? 'http')
+                          ->withHost($this->resolveDomain($shortUrl))
+                          ->__toString();
+    }
+
+    private function resolveDomain(ShortUrl $shortUrl): string
+    {
+        $domain = $shortUrl->getDomain();
+        if ($domain === null) {
+            return $this->domainConfig['hostname'] ?? '';
+        }
+
+        return $domain->getAuthority();
+    }
+}

module/Core/src/ShortUrl/Helper/ShortUrlStringifierInterface.php

@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Core\ShortUrl\Helper;
+
+use Shlinkio\Shlink\Core\Entity\ShortUrl;
+
+interface ShortUrlStringifierInterface
+{
+    public function stringify(ShortUrl $shortUrl): string;
+}

module/Core/src/ShortUrl/Transformer/ShortUrlDataTransformer.php

@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Core\ShortUrl\Transformer;
+
+use Shlinkio\Shlink\Common\Rest\DataTransformerInterface;
+use Shlinkio\Shlink\Core\Entity\ShortUrl;
+use Shlinkio\Shlink\Core\ShortUrl\Helper\ShortUrlStringifierInterface;
+
+use function Functional\invoke;
+use function Functional\invoke_if;
+
+class ShortUrlDataTransformer implements DataTransformerInterface
+{
+    private ShortUrlStringifierInterface $stringifier;
+
+    public function __construct(ShortUrlStringifierInterface $stringifier)
+    {
+        $this->stringifier = $stringifier;
+    }
+
+    /**
+     * @param ShortUrl $shortUrl
+     */
+    public function transform($shortUrl): array // phpcs:ignore
+    {
+        return [
+            'shortCode' => $shortUrl->getShortCode(),
+            'shortUrl' => $this->stringifier->stringify($shortUrl),
+            'longUrl' => $shortUrl->getLongUrl(),
+            'dateCreated' => $shortUrl->getDateCreated()->toAtomString(),
+            'visitsCount' => $shortUrl->getVisitsCount(),
+            'tags' => invoke($shortUrl->getTags(), '__toString'),
+            'meta' => $this->buildMeta($shortUrl),
+            'domain' => $shortUrl->getDomain(),
+        ];
+    }
+
+    private function buildMeta(ShortUrl $shortUrl): array
+    {
+        $validSince = $shortUrl->getValidSince();
+        $validUntil = $shortUrl->getValidUntil();
+        $maxVisits = $shortUrl->getMaxVisits();
+
+        return [
+            'validSince' => invoke_if($validSince, 'toAtomString'),
+            'validUntil' => invoke_if($validUntil, 'toAtomString'),
+            'maxVisits' => $maxVisits,
+        ];
+    }
+}