ING specific amount modifier. See issue #210

app/Helpers/Csv/Converter/INGDebetCredit.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * INGDebetCredit.php
+ * Copyright (C) 2016 Sander Dorigo
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+declare(strict_types = 1);
+namespace FireflyIII\Helpers\Csv\Converter;
+
+
+/**
+ * Class INGDebetCredit
+ *
+ * @package FireflyIII\Helpers\Csv\Converter
+ */
+class INGDebetCredit extends BasicConverter implements ConverterInterface
+{
+
+
+    /**
+     * @return int
+     */
+    public function convert()
+    {
+        if ($this->value === 'Af') {
+            return -1;
+        }
+
+        return 1;
+    }
+}