index.js

const express = require("express");
const path = require("path");
const excusesRepository = require("./excuseRepository");
const app = express();
const port = process.env.PORT || 3000;

app.all("*", function (req, res, next) {
  res.set("Access-Control-Allow-Origin", "*");
  next();
});

app.use(express.static(path.join(__dirname, "public")));

app.get("/", function (req, res) {
  res.sendFile(path.join(__dirname, "public/index.html"));
});

app.get("/v1", function (req, res) {
  res.status(404).send( " <h1>Please enter complete URL <br> <a href='/'>Click here to go to home page</a></h1>"    );
});

// returns the excuse having the specific id
app.get("/v1/excuse/id/:num(\\d+)?", function (req, res) {
  res.send(excusesRepository.getByID(req.params.num, req.headers['language']));
});

// returns n random excuses
app.get("/v1/excuse/:num(\\d+)?", function (req, res, next) {
  res.send(excusesRepository.getRandom(req.params.num || 1, req.headers['language']));
});

// returns excuse based on specific category
app.get("/v1/excuse/:category", function (req, res, next) {
  res.send(excusesRepository.getByCategory(req.params.category, 1, req.headers['language']));
});

// returns n excuse based on specific category
app.get("/v1/excuse/:category/:num(\\d+)?", function (req, res, next) {
  res.send(excusesRepository.getByCategory(req.params.category, req.params.num || 1, req.headers['language']));
});

app.get("*", function (req, res) {
  res.status(404).send(" <h1>404 - Page not found <br> <a href='/'>Click here to go to home page</a></h1>");
});

app.listen(port, function () {
  console.log(`Server running on http://localhost:${port}`);
});

module.exports = app;