Updated the back-end code and added priority in the database to determin if to do priority is high or low.

.gitignore

@@ -1,2 +1,3 @@
+config2
 node_modules
 .vscode/*

controllers/auth.js

@@ -38,12 +38,12 @@ const User = require('../models/User')
 
   exports.logout = (req, res) => {
     req.logout(() => {
-      console.log('User has logged out.')
-    })
-    req.session.destroy((err) => {
-      if (err) console.log('Error : Failed to destroy the session during logout.', err)
-      req.user = null
-      res.redirect('/')
+        console.log('User has logged out.')
+        req.session.destroy((err) => {
+            if (err) console.log('Error : Failed to destroy the session during logout.', err)
+            req.user = null
+            res.redirect('/')
+        })
     })
   }
 
@@ -56,7 +56,7 @@ const User = require('../models/User')
     })
   }
 
-  exports.postSignup = (req, res, next) => {
+  exports.postSignup = async (req, res, next) => {
     const validationErrors = []
     if (!validator.isEmail(req.body.email)) validationErrors.push({ msg: 'Please enter a valid email address.' })
     if (!validator.isLength(req.body.password, { min: 8 })) validationErrors.push({ msg: 'Password must be at least 8 characters long' })
@@ -74,23 +74,24 @@ const User = require('../models/User')
       password: req.body.password
     })
 
-    User.findOne({$or: [
-      {email: req.body.email},
-      {userName: req.body.userName}
-    ]}, (err, existingUser) => {
-      if (err) { return next(err) }
-      if (existingUser) {
-        req.flash('errors', { msg: 'Account with that email address or username already exists.' })
-        return res.redirect('../signup')
-      }
-      user.save((err) => {
-        if (err) { return next(err) }
+     try {
+        const existingUser = await User.findOne({$or: [
+            {email: req.body.email},
+            {userName: req.body.userName}
+        ]})
+
+        if (existingUser) {
+            req.flash('errors', { msg: 'Account with that email address or username already exists.'})
+            return res.redirect('../signup')
+        }
+        await user.save()
+
         req.logIn(user, (err) => {
-          if (err) {
-            return next(err)
-          }
-          res.redirect('/todos')
+            if (err) return next(err)
+            res.redirect('/todos')
         })
-      })
-    })
+    }
+    catch (err) {
+        return next(err)
+    }
   }

controllers/todos.js

@@ -5,15 +5,18 @@ module.exports = {
         console.log(req.user)
         try{
             const todoItems = await Todo.find({userId:req.user.id})
+            const high = todoItems.filter(list => list.priority === 'High')
+            const low = todoItems.filter(list => list.priority === 'Low')
             const itemsLeft = await Todo.countDocuments({userId:req.user.id,completed: false})
-            res.render('todos.ejs', {todos: todoItems, left: itemsLeft, user: req.user})
+            console.log(low)
+            res.render('todos.ejs', {high: high, low: low, left: itemsLeft, user: req.user})
         }catch(err){
             console.log(err)
         }
     },
     createTodo: async (req, res)=>{
         try{
-            await Todo.create({todo: req.body.todoItem, completed: false, userId: req.user.id})
+            await Todo.create({todo: req.body.todoItem, priority: req.body.priority, completed: false, userId: req.user.id})
             console.log('Todo has been added!')
             res.redirect('/todos')
         }catch(err){

models/Todo.js

@@ -5,6 +5,10 @@ const TodoSchema = new mongoose.Schema({
     type: String,
     required: true,
   },
+  priority: {
+    type: String,
+    required: true,
+  },
   completed: {
     type: Boolean,
     required: true,

models/User.js

@@ -10,17 +10,12 @@ const UserSchema = new mongoose.Schema({
 
 // Password hash middleware.
 
- UserSchema.pre('save', function save(next) {
-  const user = this
-  if (!user.isModified('password')) { return next() }
-  bcrypt.genSalt(10, (err, salt) => {
-    if (err) { return next(err) }
-    bcrypt.hash(user.password, salt, (err, hash) => {
-      if (err) { return next(err) }
-      user.password = hash
-      next()
-    })
-  })
+UserSchema.pre('save', async function save(next) {
+    const user = this
+    if (!user.isModified('password')) { return next() }
+    let salt = await bcrypt.genSalt(10)
+    let hash = await bcrypt.hash(user.password, salt)
+    user.password = hash
 })