work

Web-Server/index.js

@@ -1,17 +1,49 @@
 const { app } = require("./modules/express.js");
-const client = require("./modules/mqtt");
-
+const client   = require("./modules/mqtt");
+const { validateData } = require("./functions/validateData.js");
+const { insertData } = require("./functions/Database.js");
 /*
 1) validate data from IoT sensor
 2) upload data to database
 3) add more routes to api
 4) add swagger documentation
 5) add middleware for authentication
-
-
-
 */
 
+// Event handlers
+client.on('connect', () => {
+    console.log('Connected to MQTT broker');
+    client.subscribe('iot-data'); 
+  });
+  
+  client.on('message', (topic, message) => {
+    //console.log(`Received message on topic ${topic}: ${message}`);
+    let data = JSON.parse(message);
+    if (validateData(data)) {
+      //upload to db logic here
+        insertData(data);
+      
+    }
+    else {
+      console.log("Data is invalid");
+      throw new Error("Data is invalid");
+    }
+  });
+  
+  client.on('error', (err) => {
+    console.error('Error:', err);
+    client.end(); 
+  });
+  
+  client.on('end', () => {
+    console.log('Disconnected from MQTT broker');
+    client.reconnect = true;
+  }
+  );
+  
+  
+
+