app.js

require("./tracing");
const fs = require("fs");
const express = require("express");
const cors = require("cors");
const { v4: uuidv4 } = require("uuid");
const morgan = require("morgan");

const app = express();
const port = process.env.PORT || 5000;

app.use(express.json());
app.use(cors());
app.use(morgan("tiny"));

app.get("/404", (req, res) => {
	res.status(404).sendFile(__dirname + "/404.html");
});

app.use(express.static(__dirname + "/vue/dist"));

app.get("/api/books", (req, res) => {
	if (fs.existsSync("downtime.json")) {
		res.status(500).send();
	} else {
		const rawData = fs.readFileSync("books.json");
		const books = JSON.parse(rawData);

		if (books[0].name !== "Lord of the Rings") {
			res.status(500).send();
		} else {
			res.status(200).json(books);
		}
	}
});

app.get("/api/books/:id", (req, res) => {
	const rawData = fs.readFileSync("books.json");
	const books = JSON.parse(rawData);
	var arrayFound = books.filter(function (item) {
		return item.id == req.params.id;
	});
	res.status(200).json(arrayFound[0]);
});

app.get("/api/users/login", (req, res) => {
	res.status(200).json({
		message: "Login successful",
		token: uuidv4(),
		name: "Danube",
	});
});

app.post("/api/toggle", (req, res) => {
	if (fs.existsSync("downtime.json")) {
		fs.unlinkSync("downtime.json");
		res.status(200).send();
	} else {
		fs.writeFileSync("downtime.json", "{}");
		res.status(200).send();
	}
});

app.get(/.*/, (req, res) => {
	res.sendFile(__dirname + "/vue/dist/index.html");
});

app.listen(port, () => console.log(`Example app listening on port ${port}!`));