index.js

require('dotenv').config();
var express = require('express');
var path = require('path');
const fs = require('fs');


// configure express
var app = express();
app.set('view engine', 'ejs');
app.use(express.static(path.join(__dirname, 'public')));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));

// set up mongoose
var mongoose = require('mongoose');
var Project = require("./models/projects");
mongoose.connect(process.env.MONGODB, {useNewUrlParser: true, useUnifiedTopology: true});
var db = mongoose.connection;
db.on('error', console.error.bind(console, 'MongoDB connection error:'));

// make a change to all:
// Project.updateMany({}, {$set: {featured: false}}).exec((err)=>{if(err) return err;});

// set up firebase to verify users
var admin = require('firebase-admin');
admin.initializeApp({
	credential: admin.credential.cert(JSON.parse(process.env.GOOGLE_KEY))
});


// PAGES
app.get('/projects', (req, res, next) => {
	res.render("projects");
});

app.get('/', (req, res, next) => {
	Project.find({featured: true},'').sort("-lastModified").exec((err, projects)=>{
		if(err) return next(err);
		res.render("index", {projects: projects})
	});
});

app.get("/view/:id", (req, res, next)=>{
	if(!mongoose.isValidObjectId(req.params.id)) return next();

	Project.find({_id: req.params.id}).exec((err, projects)=>{
		if(err) return next(err);
		if(projects.length != 1){
			res.render("projectNotFound");
		}else{
			res.render("view", {project: projects[0]});
		}
	});
});

app.get("/preview/:id", (req, res, next)=>{
	if(!mongoose.isValidObjectId(req.params.id)) return next();

	Project.find({_id: req.params.id}).exec((err, projects)=>{
		if(err) return next(err);
		if(projects.length != 1){
			res.render("projectNotFound");
		}else{
			res.render("preview", {project: projects[0]});
		}
	});
});


var allSounds = fs.readdirSync("public/audio");
var allImgs = fs.readdirSync("public/characters");

app.get("/edit/:id", (req, res, next)=>{
	if(!mongoose.isValidObjectId(req.params.id)) return next();

	Project.find({_id: req.params.id}).exec((err, projects)=>{
		if(err) return next(err);
		if(projects.length != 1){
			res.render("projectNotFound");
		}else{
			res.render("edit", {
				project: projects[0], 
				allSounds: allSounds,
				allImgs: allImgs
			});
		}
	});
});


// ACTIONS
app.post("/save/:id", (req, res, next)=>{
	if(!mongoose.isValidObjectId(req.params.id)) return next();

	toChange = req.body.set;
	toChange.lastModified = Date.now();
	if(toChange.featured) toChange.featured = false;

	admin
		.auth()
		.verifyIdToken(req.body.idToken)
		.then((decodedToken) => {
			const uid = decodedToken.uid;
			Project.updateOne({_id: req.params.id, owner:uid}, {$set: toChange}).exec((err)=>{
				if(err) return next(err);
				res.send("successfully saved");
			});
		})
	.catch((error) => {
		console.log(error);
	});
});

app.post("/delete/:id", (req, res, next)=>{
	if(!mongoose.isValidObjectId(req.params.id)) return next();

	admin
		.auth()
		.verifyIdToken(req.body.idToken)
		.then((decodedToken) => {
			const uid = decodedToken.uid;
			Project.deleteOne({_id: req.params.id, owner:uid}).exec((err)=>{
				if(err) return next(err);
				res.send("successfully deleted");
			});
		})
	.catch((error) => {
		console.log(error);
	});
});

app.post("/projects", (req, res, next)=>{
	admin
		.auth()
		.verifyIdToken(req.body.idToken)
		.then((decodedToken) => {
			const uid = decodedToken.uid;
			Project.find({owner:uid}, '').sort({lastModified: -1}).exec((err,projects)=>{
				if(err) return next(err);
				res.send(projects);
			});
		})
	.catch((error) => {
		console.log(error);
	});
});

app.post("/new", (req, res, next)=>{
	req.body.featured = false;
	var newProj = new Project(req.body);
	newProj.save();
	res.send(newProj._id);
});


const port = process.env.PORT || 8080
app.listen(port, ()=>console.log("Listening on port "+port+"."));