Comment-added

config/database.js

@@ -1,8 +1,8 @@
-const mongoose = require('mongoose')
+const mongoose = require('mongoose') //setting up our db
 
 const connectDB = async () => {
   try {
-    const conn = await mongoose.connect(process.env.DB_STRING, {
+    const conn = await mongoose.connect(process.env.DB_STRING, { 
       useNewUrlParser: true,
       useUnifiedTopology: true,
       useFindAndModify: false,

config/passport.js

@@ -1,4 +1,4 @@
-const OIDCStrategy = require('passport-azure-ad').OIDCStrategy
+const OIDCStrategy = require('passport-azure-ad').OIDCStrategy  //defining a new stategy 
 const mongoose = require('mongoose')
 const config = require('../config/config')
 const User = require('../models/User')

controllers/todos.js

@@ -1,7 +1,7 @@
-const Todo = require('../models/Todo')
+const Todo = require('../models/Todo') //Gives us access to db collections and give us access to methods to interact with that data
 
-module.exports = {
-    getTodos: async (req,res)=>{
+module.exports = { // Creates one object to hold all routing methods to 
+    getTodos: async (req,res)=>{ // Gets all documents from the collections. Counts and finds documents and renders ejs file.
         console.log(req.user)
         try{
             //Do we want to grab all the todos?
@@ -54,4 +54,4 @@ module.exports = {
             console.log(err)
         }
     }
-}    
+}

middleware/auth.js

@@ -1,4 +1,4 @@
-module.exports = {
+module.exports = { //To see if user is auth if they're logged in take them to home page if not take them to the dashboard.
     ensureAuth: function (req, res, next) {
       if (req.isAuthenticated()) {
         return next()
@@ -14,4 +14,3 @@ module.exports = {
       }
     },
   }
-

models/Todo.js

@@ -1,6 +1,6 @@
 const mongoose = require('mongoose')
 
-const TodoSchema = new mongoose.Schema({
+const TodoSchema = new mongoose.Schema({ // setting up document for each todo completed and defining the type of each property 
   todo: {
     type: String,
     required: true,

routes/auth.js

@@ -1,17 +1,17 @@
-const express = require('express')
+const express = require('express') //copied and pasted from microsoft nothing new needs to be changed
 const passport = require('passport')
 const config = require('../config/config')
 const router = express.Router()
 
 
 router.get('/login',
   function(req, res, next) {
-    passport.authenticate('azuread-openidconnect', 
-      { 
-        response: res,                      
-        resourceURL: config.resourceURL,    
-        customState: 'my_state',            
-        failureRedirect: '/' 
+    passport.authenticate('azuread-openidconnect',
+      {
+        response: res,
+        resourceURL: config.resourceURL,
+        customState: 'my_state',
+        failureRedirect: '/'
       }
     )(req, res, next);
   },
@@ -22,10 +22,10 @@ router.get('/login',
 
 router.get('/openid/return',
   function(req, res, next) {
-    passport.authenticate('azuread-openidconnect', 
-      { 
-        response: res,    
-        failureRedirect: '/'  
+    passport.authenticate('azuread-openidconnect',
+      {
+        response: res,
+        failureRedirect: '/'
       }
     )(req, res, next);
   },
@@ -36,10 +36,10 @@ router.get('/openid/return',
 
 router.post('/openid/return',
   function(req, res, next) {
-    passport.authenticate('azuread-openidconnect', 
-      { 
-        response: res,    
-        failureRedirect: '/'  
+    passport.authenticate('azuread-openidconnect',
+      {
+        response: res,
+        failureRedirect: '/'
       }
     )(req, res, next);
   },

routes/todos.js

@@ -1,9 +1,9 @@
 const express = require('express')
 const router = express.Router()
-const todosController = require('../controllers/todos') 
+const todosController = require('../controllers/todos')
 const { ensureAuth, ensureGuest } = require('../middleware/auth')
 
-router.get('/', ensureAuth, todosController.getTodos)
+router.get('/', ensureAuth, todosController.getTodos) // when get request is made we need to check user is authenticated and then calls the todoController function getTodos
 
 router.post('/createTodo', todosController.createTodo)
 
@@ -13,4 +13,4 @@ router.put('/markIncomplete', todosController.markIncomplete)
 
 router.delete('/deleteTodo', todosController.deleteTodo)
 
-module.exports = router
+module.exports = router

server.js

@@ -1,45 +1,45 @@
-const express = require('express')
-const app = express()
-const mongoose = require('mongoose')
-const passport = require('passport')
-const session = require('express-session')
-const MongoStore = require('connect-mongo')(session)
-const connectDB = require('./config/database')
-const authRoutes = require('./routes/auth')
-const homeRoutes = require('./routes/home')
-const todoRoutes = require('./routes/todos')
-
-require('dotenv').config({path: './config/.env'})
+const express = require('express')  // Express is a framework
+const app = express()   // creating express app
+const mongoose = require('mongoose') //imports mongoose (ODM Framework)
+const passport = require('passport') // auth middleware
+const session = require('express-session') // Keeps users session logged in and creates the cookie
+const MongoStore = require('connect-mongo')(session)//saving session data in the db
+const connectDB = require('./config/database')//connects us to the db
+const authRoutes = require('./routes/auth') //import auth routes from local modules
+const homeRoutes = require('./routes/home') //import auth routes from local modules
+const todoRoutes = require('./routes/todos') //import auth routes from local modules
+
+require('dotenv').config({path: './config/.env'}) // enviornment variables
 
 // Passport config
-require('./config/passport')(passport)
+require('./config/passport')(passport) // creating and configuring auth strategy for azure
 
-connectDB()
+connectDB() // connect to db
 
-app.set('view engine', 'ejs')
-app.use(express.static('public'))
-app.use(express.urlencoded({ extended: true }))
-app.use(express.json())
+app.set('view engine', 'ejs') // chooses ejs as the view engine
+app.use(express.static('public')) // Sets location of where to serve static files from
+app.use(express.urlencoded({ extended: true })) // parses form data from post request
+app.use(express.json()) //converts data into json objects
 
 // Sessions
-app.use(
+app.use( //sets the middleware that handles the sessions
     session({
-      secret: 'keyboard cat',
+      secret: 'keyboard cat', //this can be anything you want
       resave: false,
       saveUninitialized: false,
       store: new MongoStore({ mongooseConnection: mongoose.connection }),
     })
   )
-  
+
 // Passport middleware
-app.use(passport.initialize())
+app.use(passport.initialize()) //setting up passport
 app.use(passport.session())
 
-  
+//setting up the routes
 app.use('/', homeRoutes)
 app.use('/auth', authRoutes)
 app.use('/todos', todoRoutes)
- 
-app.listen(process.env.PORT, ()=>{
+
+app.listen(process.env.PORT, ()=>{ //setting up the port
     console.log('Server is running, you better catch it!')
-})    
+})