Add DKI order type

To download Exchange rate files and fix syntax error.

Signed-off-by: Herman van Hazendonk <github.com@herrie.org>

examples/send-dki-order.js

@@ -0,0 +1,30 @@
+#! /usr/bin/env node
+
+'use strict';
+
+const ebics = require('../index');
+
+const client = new ebics.Client({
+	url: 'https://ebics.server',
+	partnerId: '',
+	userId: '',
+	hostId: '',
+	passphrase: 'test', // keys-test will be decrypted with this passphrase
+	keyStorage: ebics.fsKeysStorage('./keys-test'),
+});
+
+// The bank keys must have been already saved
+client.send(ebics.Orders.DKI(null, null)) // startDate 'YYYY-MM-DD', endDate 'YYYY-MM-DD'
+	.then((resp) => {
+		console.log('Response for DKI order %j', resp);
+		if (resp.technicalCode !== '000000')
+			throw new Error('Something went wrong');
+
+		// Processing of the Exchange Rate file should go here, ideally after saving it to disk
+		const data = Buffer.from(resp.orderData);
+		console.log(data.toString('utf8'));
+	})
+	.catch((err) => {
+		console.error(err);
+		process.exit(1);
+	});

lib/predefinedOrders/DKI.js

@@ -0,0 +1,13 @@
+'use strict';
+
+const utils = require('../utils');
+
+module.exports = (start = null, end = null) => ({
+	version: 'h004',
+	orderDetails: {
+		OrderType: 'DKI',
+		OrderAttribute: 'DZHNN',
+		StandardOrderParams: utils.dateRange(start, end),
+	},
+	operation: 'download',
+});

lib/predefinedOrders/index.js

@@ -23,6 +23,7 @@ const HKD = require('./HKD');
 const PTK = require('./PTK');
 const HAC = require('./HAC');
 const Z53 = require('./Z53');
+const DKI = require('./DKI');
 
 module.exports = {
 	INI,
@@ -39,6 +40,7 @@ module.exports = {
 	CCS,
 	XE3,
 	XCT,
+	
 	STA,
 	VMK,
 	HAA,
@@ -47,4 +49,5 @@ module.exports = {
 	HKD,
 	PTK,
 	HAC,
+	DKI
 };