refactoring

src/mqttHandler.js

@@ -27,29 +27,40 @@ function start() {
     client.on('message', (topic, payload) => {
         payload = payload.toString('UTF-8');
         logger.info(`message received on topic ${topic}: ${payload}`);
-        //if (topic in topicCallbacks) {
+        processMessage(topic, payload);
-        //    topicCallbacks[topic].forEach((cb) => { cb(topic, payload) });
+    });
-        //}
+}
+
+function processMessage(topic, payload) {
+    let found = false;
     Object.keys(topicCallbacks).forEach((subscribedTopic) => {
         // logger.warn(`Test: ${subscribedTopic}, ${topic}`);
         // console.log(`Test: ${subscribedTopic}, ${topic}`);
         if (subscribedTopic == topic) {
             // logger.warn('1');
             topicCallbacks[topic].forEach((cb) => { cb(topic, payload) });
+            found = true;
         } else if (subscribedTopic.endsWith('#') && 
                 (subscribedTopic.substring(0, subscribedTopic.length-1) ==
                  topic.substring(0, subscribedTopic.length-1))) {
             // logger.warn('2');
             // console.log('2');
             topicCallbacks[subscribedTopic].forEach((cb) => { cb(topic, payload) });
+            found = false;
         }
     });
-    });
+    return found;
 }
 
-function send(topic, payload) {
+function send(topic, payload, internalFirst = false) {
+    let sent = false;
+    if (internalFirst) {
+        sent = processMessage(topic, payload);
+    }
+    if (! sent) {
         client.publish(topic, payload);
     }
+}
 
 function register(topics, cb) {
     if (! (topics instanceof Array)) {