From dbc4a7068da7981c81963aa5b0564a8ab98e84bb Mon Sep 17 00:00:00 2001
From: SoulDancer27 <igorpanin10@gmail.com>
Date: Sat, 12 Jun 2021 17:52:56 +0300
Subject: [PATCH] notifiers

---
 examples/Create-Printer-Subscriptions.js | 23 +++++++++++++++++++++++
 lib/serializer.js                        |  3 ++-
 2 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 examples/Create-Printer-Subscriptions.js

diff --git a/examples/Create-Printer-Subscriptions.js b/examples/Create-Printer-Subscriptions.js
new file mode 100644
index 00000000..13aefca4
--- /dev/null
+++ b/examples/Create-Printer-Subscriptions.js
@@ -0,0 +1,23 @@
+const ipp = require('../ipp');
+
+// Create subscription to events from all of the printers registered on a cups server.
+const printerUri = 'http://localhost:631/printers';
+
+(async function getSubscriptions() {
+  const printer = new ipp.Printer(printerUri);
+  var msg = {
+    'operation-attributes-tag': {
+      'requesting-user-name': '',
+    },
+    'subscription-attributes-tag': {
+      'notify-recipient-uri': 'http://recipient-uri',
+      'notify-events': ['all'],
+      // Subscription duration in seconds. Default value is 86400 (1 day). 0 means indefinite length subscription.
+      'notify-lease-duration': 0,
+    },
+  };
+  printer.execute('Create-Printer-Subscriptions', msg, function (err, res) {
+    if (err) console.log(err);
+    console.log(res);
+  });
+})();
diff --git a/lib/serializer.js b/lib/serializer.js
index 0d8b0508..073b4760 100644
--- a/lib/serializer.js
+++ b/lib/serializer.js
@@ -54,7 +54,7 @@ module.exports = function serializer(msg){
 		'operation-attributes-tag':          'Operation',
 		'printer-attributes-tag':            'Printer Description',
 		"unsupported-attributes-tag":        '',//??
-		"subscription-attributes-tag":       'Subscription Description',
+		"subscription-attributes-tag":       ['Subscription Description', 'Subscription Template'],
 		"event-notification-attributes-tag": 'Event Notifications',
 		"resource-attributes-tag":           '',//??
 		"document-attributes-tag":           'Document Description'
@@ -246,6 +246,7 @@ module.exports = function serializer(msg){
 	writeGroup('job-attributes-tag');
 	writeGroup('printer-attributes-tag');
 	writeGroup('document-attributes-tag');
+  writeGroup('subscription-attributes-tag');
 	//TODO... add the others
 
 	write1(0x03);//end