From 96a1a2f3909d89c84a0f281625086a4f346783cf Mon Sep 17 00:00:00 2001
From: Bernd Niehues <Bernd.Niehues@avency.de>
Date: Wed, 21 Feb 2018 10:36:44 +0100
Subject: [PATCH 1/2] [BUGFIX] Forward amqp options when publish to exchange

When publishing a message to rabbitmq via amqp the options object was
dropped in amqp_ascolatore. The options object is now forwarded to
the exchange.
---
 lib/abstract_ascoltatore.js | 2 +-
 lib/amqp_ascoltatore.js     | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/abstract_ascoltatore.js b/lib/abstract_ascoltatore.js
index 0b78491..74bc514 100644
--- a/lib/abstract_ascoltatore.js
+++ b/lib/abstract_ascoltatore.js
@@ -128,7 +128,7 @@ AbstractAscoltatore.prototype._setPublish = function() {
     publish = this.publish;
   } else {
     publish = function (topic, payload, options, done) {
-      return f.call(this, topic, payload, done);
+      return f.call(this, topic, payload, options, done);
     };
   }
 
diff --git a/lib/amqp_ascoltatore.js b/lib/amqp_ascoltatore.js
index b278c62..97ceb69 100644
--- a/lib/amqp_ascoltatore.js
+++ b/lib/amqp_ascoltatore.js
@@ -149,12 +149,12 @@ AMQPAscoltatore.prototype.subscribe = function subscribe(topic, callback, done)
   debug("registered new subscriber for topic " + topic);
 };
 
-AMQPAscoltatore.prototype.publish = function publish(topic, message, done) {
+AMQPAscoltatore.prototype.publish = function publish(topic, message, options, done) {
   this._raiseIfClosed();
 
   debug("new message published to " + topic);
 
-  this._exchange.publish(this._pubTopic(topic), String(message));
+  this._exchange.publish(this._pubTopic(topic), String(message), options);
   defer(done);
 };
 

From 7d635b53fffabe46a2f7e66c32892bc1d2273d28 Mon Sep 17 00:00:00 2001
From: Bernd Niehues <Bernd.Niehues@avency.de>
Date: Wed, 21 Feb 2018 12:03:11 +0100
Subject: [PATCH 2/2] [FEATURE] Add exchangeOptions

Adding exchangeOptions object (next to exchange in configuration) that
enables the user to declare the exchange as durable.
---
 lib/amqp_ascoltatore.js | 12 ++++++++----
 package.json            |  1 +
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/lib/amqp_ascoltatore.js b/lib/amqp_ascoltatore.js
index 97ceb69..5b5a0e8 100644
--- a/lib/amqp_ascoltatore.js
+++ b/lib/amqp_ascoltatore.js
@@ -8,6 +8,12 @@ var AbstractAscoltatore = require('./abstract_ascoltatore');
 var steed = require("steed")();
 var SubsCounter = require("./subs_counter");
 var debug = require("debug")("ascoltatori:amqp");
+var _ = require('lodash');
+
+var defaultExchangeOptions = {
+  type: "topic",
+  confirm: true
+};
 
 /**
  * The AMQPAscoltatore is a class that inherits from AbstractAscoltatore.
@@ -80,10 +86,8 @@ AMQPAscoltatore.prototype._startConn = function() {
 
       function(callback) {
         debug("connected");
-        that._exchange = conn.exchange(that._opts.exchange, {
-          type: "topic",
-          confirm: true
-        });
+        var exchangeOptions = _.assignIn({}, defaultExchangeOptions, that._opts.exchangeOptions || {});
+        that._exchange = conn.exchange(that._opts.exchange, exchangeOptions);
         that._exchange.once("open", wrap(callback));
       },
 
diff --git a/package.json b/package.json
index 4ad5b12..5b6c73d 100644
--- a/package.json
+++ b/package.json
@@ -60,6 +60,7 @@
   },
   "dependencies": {
     "debug": "^2.2.0",
+    "lodash": "^4.0.0",
     "uuid": "^3.0.0",
     "qlobber": "~0.7.0",
     "steed": "^1.1.3"