Add dailyAverage when providing complete session

services/dailyAverages/dailyAveragesModel.js

@@ -0,0 +1,10 @@
+const db = require('../../data/dbConfig');
+
+module.exports = {
+	getDailyAverageBy
+}
+
+function getDailyAverageBy(id) {
+return db('dailyAverages')
+		.where({});
+}

services/dailyAverages/dailyAveragesRouter.js

@@ -0,0 +1,18 @@
+require("dotenv").config();
+const router = require('express').Router();
+
+const Averages = require('./dailyAveragesModel');
+
+router.get('/:id/averages', (req, res) => {
+
+	Averages.findUserBy(req.params.id)
+		.first()
+		.then(response => {
+			res.status(200).json(response);
+		})
+		.catch(error => {
+			res.status(500).json(error);
+		});
+});
+
+module.exports = router;

services/sessions/sessionsModel.js

@@ -5,12 +5,15 @@ module.exports = {
 	findUserSessions,
 	updateSession,
 	removeSession
-};
+}
 
 async function addSession(session) {
 	const [id] = await db('sessions')
 		.insert(session);
-	return findSessionById(id);
+
+	const newSession = await findSessionById(id)
+	computeSession(newSession);
+	return newSession;
 }
 
 function findUserSessions(user_id) {
@@ -29,11 +32,37 @@ async function updateSession(id, changes) {
 	await db('sessions')
 		.where({ id })
 		.update(changes, '*');
-	return findSessionById(id);
+	const updatedSession = await findSessionById(id);
+	computeSession(updatedSession);
+	return updatedSession;
 }
 
 async function removeSession(id) {
 	await db('sessions')
 		.where({ id })
 		.del();
+}
+
+async function computeSession(session) {
+	if ( session.bed_tiredness && session.day_mood && session.wake_mood) {
+		// Calculate the sleep duration
+		let date1 = new Date(session.bed_time);
+		let date2 = new Date(session.wake_time);
+		let diffTime = Math.abs(date1.getTime() - date2.getTime());
+		diffTime = diffTime/(1000*60*60);
+		let sleep_duration = Math.round( diffTime * 100) / 100;
+	
+		// Calculate the average mood
+		let average_mood = (session.bed_tiredness + session.wake_mood + session.day_mood) / 3;
+		let new_average_mood = Math.round( average_mood * 100) / 100;
+	
+		await db('dailyAverages')
+		.insert({
+			session_id: session.id,
+			user_id: session.user_id,
+			sleep_duration: sleep_duration,
+			average_mood: new_average_mood,
+		})
+		.catch(err => console.log(err));
+	}
 }

services/sessions/sessionsRouter.js

@@ -8,7 +8,10 @@ router.post('/sessions', authenticate, (req, res) => {
          .then(response => {
             res.status(200).json(response);
          })
-         .catch(err => res.send(err));
+         .catch(err => {
+				console.log(err);
+				res.send(err)
+			});
 });
 
 router.get('/:id/sessions', authenticate, (req, res) => {