refactored code

Signed-off-by: Maurice Preuß (envoyr) <hello@envoyr.com>

src/Id/OauthTrait.php

@@ -0,0 +1,35 @@
+<?php
+
+
+namespace Anikeen\Id;
+
+use GuzzleHttp\Exception\RequestException;
+
+
+trait OauthTrait
+{
+
+    /**
+     * Retrieving an oauth token using a given grant type.
+     */
+    public function retrievingToken(string $grantType, array $attributes): Result
+    {
+        try {
+            $response = $this->client->request('POST', '/oauth/token', [
+                'form_params' => $attributes + [
+                        'grant_type' => $grantType,
+                        'client_id' => $this->getClientId(),
+                        'client_secret' => $this->getClientSecret(),
+                    ],
+            ]);
+
+            $result = new Result($response, null);
+        } catch (RequestException $exception) {
+            $result = new Result($exception->getResponse(), $exception);
+        }
+
+        $result->anikeenId = $this;
+
+        return $result;
+    }
+}