refactored code

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

src/Id/Concerns/ManagesInvoices.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Anikeen\Id\Concerns;
+
+use Anikeen\Id\ApiOperations\Request;
+use Anikeen\Id\Exceptions\RequestRequiresClientIdException;
+use Anikeen\Id\Result;
+use GuzzleHttp\Exception\GuzzleException;
+
+trait ManagesInvoices
+{
+    use Request;
+
+    /**
+     * Get invoices from the current user.
+     *
+     * @throws RequestRequiresClientIdException
+     * @throws GuzzleException
+     */
+    public function invoices(): Result
+    {
+        return $this->request('GET', 'v1/invoices');
+    }
+
+    /**
+     * Get given invoice from the current user.
+     *
+     * @param string $invoiceId The invoice ID
+     * @throws RequestRequiresClientIdException
+     * @throws GuzzleException
+     */
+    public function invoice(string $invoiceId): Result
+    {
+        return $this->request('GET', sprintf('v1/invoices/%s', $invoiceId));
+    }
+
+    /**
+     * Get download url from given invoice.
+     *
+     * @param string $invoiceId The invoice ID
+     * @throws RequestRequiresClientIdException
+     * @throws GuzzleException
+     */
+    public function getInvoiceDownloadUrl(string $invoiceId): string
+    {
+        return $this->request('PUT', sprintf('v1/invoices/%s', $invoiceId))->data->download_url;
+    }
+}