invoices: choose language and duration format (#1438)

src/Invoice/Hydrator/InvoiceModelUserHydrator.php

@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Invoice\Hydrator;
+
+use App\Entity\UserPreference;
+use App\Invoice\InvoiceModel;
+use App\Invoice\InvoiceModelHydrator;
+
+class InvoiceModelUserHydrator implements InvoiceModelHydrator
+{
+    public function hydrate(InvoiceModel $model): array
+    {
+        $user = $model->getUser();
+
+        if (null === $user) {
+            return [];
+        }
+
+        $values = [
+            'user.name' => $user->getUsername(),
+            'user.email' => $user->getEmail(),
+            'user.title' => $user->getTitle(),
+            'user.alias' => $user->getAlias(),
+        ];
+
+        /** @var UserPreference $metaField */
+        foreach ($user->getPreferences() as $metaField) {
+            $values = array_merge($values, [
+                'user.meta.' . $metaField->getName() => $metaField->getValue(),
+            ]);
+        }
+
+        return $values;
+    }
+}