index.js

const exp = require('express');
const app = exp();
const bp = require('body-parser');
const ejs = require('ejs');
const underscore = require('underscore');

//Express configuration 
app.use(bp.urlencoded({ extended: true }));
app.use(exp.static('public'));
app.set('view engine', 'ejs');
app.listen(process.env.PORT || 3000, () => {
    console.log('server is live!')
})

//Firebase configuration 
const admin = require("firebase-admin");
const serviceAccount = require("./serviceAccountKey.json");
admin.initializeApp({ credential: admin.credential.cert(serviceAccount) });
const db = admin.firestore();
let blogsRef = db.collection('Blogs');
let usersRef = db.collection('Users');
let userRequest = db.collection('Posting Requests');

//Home Route 
app.get('/', function (req, res) {
    res.render('home');
})

//Blog Route 
app.get('/blog', function (req, res) {
    var posts = [];
    var eachPost = [];
    blogsRef.get().then((qureySnapshot) => {
        qureySnapshot.forEach(document => {
            eachPost = [];
            eachPost.push(document.data().title);
            eachPost.push(document.data().description);
            eachPost.push(document.data().name); 
            posts.push(eachPost);
        })
        res.render('blog', {
            posts: posts
        });
    })

})

//Blog Post Route 
function randomIntFromInterval(min, max) {
    return Math.floor(Math.random() * (max - min + 1) + min)
  }
app.get('/blogpost/:title', (req, res) => {
    const title = req.params.title;
    const rndInt = randomIntFromInterval(1, 6)
    blogsRef.get().then((qureySnapshot) => {
        qureySnapshot.forEach(document => {
            if(title === document.data().title){
                res.render('blogpost', {
                    title: title,
                    description: document.data().description,
                    author: document.data().name,
                    posting: document.data().posting,
                    int: rndInt
                });
            } else{
                //pass
            }
        })
    })
})

//Authors Route
app.get('/authors', function (req, res) {
    var allAuthors = [];
    blogsRef.get().then((qureySnapshot) => {
        qureySnapshot.forEach(document => {
            allAuthors.push(document.data().name);
        })
        var authors = underscore.uniq(allAuthors); 
        res.render('authors', {
            authors:authors
        });
    })

})

//Add Post Route 
app.get('/addpost', function (req, res) {
    res.render('addPost');
})
app.post('/addpost', function (req, res) {
    var users = [];
    const submission = {
        title: req.body.title,
        description: req.body.description,
        name: req.body.posterName,
        posting: req.body.posting
    };
    usersRef.get().then((qureySnapshot) => {
        qureySnapshot.forEach(document => {
            users.push(document.data().name)
        })
        console.log(users)
        if(underscore.contains(users, req.body.posterName)){
            blogsRef.doc().set(submission);
            res.render('success',{
                successType: 'Your submission has been posted to Our Blog'
            });
        } else{
            res.render('request', {
                header: 'Failure',
                subheading: 'Please try again or request access to post below.',
                btnLink: '/addpost',
            });
        }
    })
    
})

//Request Route 
app.get('/request', function(req, res){
    res.render('request',{
        header: 'Become an Our Blog Author',
        subheading: 'Request access to post below.',
        btnLink: '/',
    });
})
app.post('/request', function(req, res){
    const requestSubmission ={
        name: req.body.name, 
        email : req.body.requesterEmail, 
    };
    userRequest.doc().set(requestSubmission);
    res.render('success', {
        successType: 'Your request to become an Our Blog author has been sent.'
    })
})