Created specs for API key roles

module/Rest/src/ApiKey/Role.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\Rest\ApiKey;
+
+use Happyr\DoctrineSpecification\Spec;
+use Happyr\DoctrineSpecification\Specification\Specification;
+use Shlinkio\Shlink\Core\ShortUrl\Spec\BelongsToApiKey;
+use Shlinkio\Shlink\Core\ShortUrl\Spec\BelongsToDomain;
+use Shlinkio\Shlink\Rest\Entity\ApiKeyRole;
+
+class Role
+{
+    public const AUTHORED_SHORT_URLS = 'AUTHORED_SHORT_URLS';
+    public const DOMAIN_SPECIFIC = 'DOMAIN_SPECIFIC';
+
+    public static function toSpec(ApiKeyRole $role): Specification
+    {
+        if ($role->name() === self::AUTHORED_SHORT_URLS) {
+            return new BelongsToApiKey($role->apiKey());
+        }
+
+        if ($role->name() === self::DOMAIN_SPECIFIC) {
+            return new BelongsToDomain($role->meta()['domain_id'] ?? -1);
+        }
+
+        return Spec::andX();
+    }
+}