app.js

const createError = require("http-errors");
const express = require("express");
const path = require("path");
const cookieParser = require("cookie-parser");
const logger = require("morgan");
const MongoClient = require("mongodb").MongoClient;
const assert = require("assert");

const indexRouter = require("./routes/index");
const usersRouter = require("./routes/users");
const searchRouter = require("./routes/search");

let app = express();

//Connection URL

let url = process.env.MONGODB_URI || require("./routes/loginDetails.js");


//Use connect method to connect to the Server
MongoClient.connect(url, function(err, client) {
  assert.equal(null, err);
  client.close();
});
/////////////////////////////////////////////

// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "jade");

app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "/front/build")));

app.use("/", indexRouter);
app.use("/users", usersRouter);
app.use("/search", searchRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get("env") === "development" ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render("error");
});

module.exports = app;