iot sensor finished

1)with validation on front and backend
2)fixed seed route generating value 0 for data

IoT-sensor/modules/IoT-sensor.js

@@ -1,57 +1,71 @@
-/*
-1) PSI metric data 
-2) Humidity 
-3) Gases (O3,NO2,SO2)
-4) temperature 
-5) Air pressure?
-6) windspeed? 
-8) time when data was collected / generated
-*/
+const { getLocation, getSensor } = require("../functions/dbFunctions");
 
-/*
-1) generate random data for each sensor
-2) pass to mqtt broker
-*/
+//class to generate random data
+var dataAray = [];
+class IoTdataGenerator {
+	constructor() {
+	}
+	async getLocationAndSensorId() {
+		try {
+			const loc = await getLocation();
+			const sen = await getSensor();
+			return { loc, sen };
+		} catch (err) {
+			console.error(err);
+		}
+	}
 
-let region = ["central", "north-east", "north", "east", "west"];
+	async generateData() {
+		try {
+			const { loc, sen } = await this.getLocationAndSensorId();
+			for (let i = 0; i < sen.length; i++) {
+				//console.log(sen[i].id);
+				//console.log(loc[i].id);
+				//console.log("you should appear 6 times only")
+				dataAray.push(firstDataRow(sen[i].id, loc[i].id));
+			}	
+		} catch (err) {
+			console.error(err);
+		}
+		return dataAray;
 
-function generateRandomData() {
-	const psiData = getRandomValue(0, 500);
-	const humidityData = getRandomValue(0, 100);
-	const o3Data = getRandomValue(0, 600); //max 600 
-	const no2Data = getRandomValue(0, 1000); //max 1000
-	const so2Data = getRandomValue(0, 1000); //max 1000
-	const coData = getRandomValue(0 , 100); 
-	const temperatureData = getRandomValue(24, 40);
-	const windspeedData = getRandomValue(0, 35);
-	const currentTime = new Date(Date.now() + 28800000)
-		.toISOString()
-		.slice(0, 19)
-		.replace("T", " ");
-	const regionData = region[Math.floor(Math.random() * region.length)];
+	}
+}
 
-	var json = {
-		psi: psiData.toFixed(0),
-		humidity: humidityData.toFixed(0) + "%",
-		o3: o3Data.toFixed(0) + "ppm",
-		no2: no2Data.toFixed(0) + "ppm",
-		so2: so2Data.toFixed(0) + "ppm",
-		co: coData.toFixed(0) + "ppm",
-		temperature: temperatureData.toFixed(0) + "°C",
-		windspeed: windspeedData.toFixed(0) + "km/h",
-		time: currentTime,
-		region: regionData,
+//helper function to generate random data
+function firstDataRow(sensorId, locationId) {
+	return {
+		sensorid: sensorId,
+		locationid: locationId,
+		measurement: {
+			psi: Math.floor(Math.random() * 30) + 5,
+			humidity: Math.floor(Math.random() * (90 - 80 + 1) + 80),
+			o3: Math.floor(Math.random() * (100 - 20 + 1) + 30),
+			no2: Math.floor(Math.random() * 30) + 5,
+			so2: Math.floor(Math.random() * 30) + 5,
+			co: Math.floor(Math.random() * 25 - 0.5),
+			temperature: Math.floor(Math.random() * (30 - 23 + 1) + 25),
+			windspeed: Math.floor(Math.random() * (10 - 1 + 1) + 1),
+		},
+		//time stamp are auto generated by sequelize
+		//createdAt: convertDateToUTC(startDate),
 	};
-	return json;
 }
 
-function getRandomValue(min, max) {
-	return Math.random() * (max - min) + min;
+/*
+1) get location and sensor id from db 
+2) loop through each sensor id and location id and generate random data and pass to mqtt
+*/
+
+async function run() {
+    let iotData = new IoTdataGenerator();
+    const result = await iotData.generateData();
+	console.log(result);
+	return result;
 }
+  
+
+module.exports = { run };
 
-function iot_sensor_data() {
-	return generateRandomData();
-}
 
-module.exports = { iot_sensor_data };