add subtotal and payment date to invoices (#2450)

src/Form/InvoicePaymentDateForm.php

@@ -0,0 +1,50 @@
+<?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;
+
+use App\Entity\Invoice;
+use App\Form\Type\DatePickerType;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class InvoicePaymentDateForm extends AbstractType
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $dateTimeOptions = [
+            'model_timezone' => $options['timezone'],
+            'view_timezone' => $options['timezone'],
+        ];
+
+        $builder
+            ->add('paymentDate', DatePickerType::class, array_merge($dateTimeOptions, [
+                'label' => 'invoice.payment_date',
+                'required' => true,
+            ]));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults([
+            'data_class' => Invoice::class,
+            'timezone' => date_default_timezone_get(),
+            'attr' => [
+                'data-form-event' => 'kimai.invoiceUpdate'
+            ],
+        ]);
+    }
+}