support custom fields for timesheets, customers, projects and activities (#871)

src/Form/API/TimesheetApiEditForm.php

@@ -0,0 +1,37 @@
+<?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\Form\API;
+
+use App\Form\TimesheetEditForm;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class TimesheetApiEditForm extends TimesheetEditForm
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        parent::buildForm($builder, $options);
+
+        $builder->remove('metaFields');
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        parent::configureOptions($resolver);
+
+        $resolver->setDefaults([
+            'csrf_protection' => false,
+            'allow_duration' => false,
+        ]);
+    }
+}