add subtotal and payment date to invoices (#2450)

src/Migrations/Version20210320162820.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * 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 DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Update invoice with payment date
+ *
+ * @version 1.14
+ */
+final class Version20210320162820 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Update invoice with payment date';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $invoices = $schema->getTable('kimai2_invoices');
+        $invoices->addColumn('payment_date', 'date', ['default' => null, 'notnull' => false]);
+    }
+
+    public function down(Schema $schema): void
+    {
+        $invoices = $schema->getTable('kimai2_invoices');
+        $invoices->dropColumn('payment_date');
+    }
+}