app.js

const path = require("path");

const {
  mongoConnect,
  getDb,
  prepopulateIrrelevantSampleData,
} = require("./util/database.js");

const express = require("express");
const bodyParser = require("body-parser");
const cors = require("cors");

const app = express();

const adminRoutes = require("./routes/admin");
const shopRoutes = require("./routes/shop");
const errorController = require("./controllers/error");
const User = require("./models/User");
const Product = require("./models/Product");

// app.set('view engine', 'pug');
// app.set('views', 'views'); // not needed for this case, actually
app.set("view engine", "ejs");
app.set("views", "views"); // not needed for this case, actually

app.use(bodyParser.urlencoded({ extended: false }));
app.use(express.static(path.join(__dirname, "public")));
app.use(cors());
// mock authentication, i.e. get user who's making the request
app.use(async (req, res, next) => {
  // req.user = await User.findById(1);
  const [firstUser = null] = await User.fetchAll(); // as of now, this is the sample user
  req.user = firstUser;
  console.log("Mock authentication success", {
    email: firstUser?.email,
    id: firstUser?._id,
  });
  next();
});

app.get("/try", async (req, res, next) => {
  await new Promise((r) => setTimeout(r, 1000));
  return res.json({ time: new Date().toLocaleTimeString() });
});

app.use("/admin", adminRoutes);
app.use(shopRoutes);

app.use(errorController.get404);

// express code

// start express from inside the mongoConnect callback
mongoConnect(async (client) => {
  await prepopulateIrrelevantSampleData();
  const firstSampleUser = await User.prepopulateUsers();
  await Product.prepopulateProducts(firstSampleUser);
  console.log("Pre-scripts finished execution");
  console.log("------------------------------");

  app.listen(3000);
});