server.js

"use strict";
require("dotenv").config();
const bodyParser = require("body-parser");
const express = require("express");
const morgan = require("morgan");
const mongoose = require("mongoose");
const passport = require("passport");
mongoose.Promise = global.Promise;

const { DATABASE_URL, PORT } = require("./config");

const { router: expensesRouter } = require("./expenses");
const { router: usersRouter } = require("./users");
const { router: authRouter, localStrategy, jwtStrategy } = require("./auth");

const app = express();

app.use(morgan("common"));
app.use(bodyParser.json());

app.use(express.static("public"));
//get all the expenses no matter the date

passport.use(localStrategy);
passport.use(jwtStrategy);

app.use("/api/users/", usersRouter);
app.use("/api/auth/", authRouter);
app.use("/api/expenses/", expensesRouter);

const jwtAuth = passport.authenticate("jwt", { session: false });

app.use("*", function(req, res) {
  res.status(404).json({ message: "Not Found" });
});

let server;

function runServer(databaseUrl = DATABASE_URL, port = PORT) {
  return new Promise((resolve, reject) => {
    mongoose.connect(databaseUrl, { useMongoClient: true }, err => {
      if (err) {
        return reject(err);
      }
      server = app
        .listen(port, () => {
          console.log(`Your app is listening on port ${port}`);
          resolve();
        })
        .on("error", err => {
          mongoose.disconnect();
          reject(err);
        });
    });
  });
}

function closeServer() {
  return mongoose.disconnect().then(() => {
    return new Promise((resolve, reject) => {
      console.log("Closing server");
      server.close(err => {
        if (err) {
          return reject(err);
        }
        resolve();
      });
    });
  });
}

if (require.main === module) {
  runServer().catch(err => console.error(err));
}

module.exports = { runServer, app, closeServer };