add route and first controller function

app.js

@@ -4,6 +4,7 @@ const express = require('express');
 const bodyParser = require('body-parser');
 const session = require('express-session');
 const mongoose = require('mongoose');
+const task = require('./routes/taskRoute');
 
 const app = express();
 
@@ -28,9 +29,7 @@ app.use(session({
     cookie: { secure: false }
 }));
 
-app.get('/', (req, res, next) => {
-    res.send("hello");
-});
+app.use('/',task);
 
 
 module.exports = app;

controllers/taskController.js

@@ -0,0 +1,9 @@
+const mongoose = require('mongoose');
+
+const getAllTasks = (req, res, next) => {
+    res.send('all tasks');
+};
+
+module.exports = {
+    getAllTasks
+};

db/connect.js

@@ -2,6 +2,6 @@ const mongoose = require('mongoose');
 
 const connectionString = 'mongodb+srv://djibba:[email protected]/taskDatabase?retryWrites=true&w=majority';
 
-mongoose.connect(connectionString)
+mongoose.connect(connectionString, { useNewUrlParser: true, useUnifiedTopology: true })
     .then(() => console.log('Connection for database successfully !'))
     .catch((err) => console.log(err));

routes/taskRoute.js

@@ -0,0 +1,9 @@
+const express = require('express');
+const router = express.Router();
+const {
+    getAllTasks
+} = require('../controllers/taskController');
+
+router.route('/api/tasks').get(getAllTasks);
+
+module.exports = router;