app.js

var createError = require("http-errors");
var express = require("express");
var path = require("path");
var cookieParser = require("cookie-parser");
var logger = require("morgan");
var indexRouter = require("./routes/index");
var usersRouter = require("./routes/users");
var cors = require("cors");
var moesif = require("moesif-nodejs");

var app = express();

// Setting up metrics
const moesifMiddleware = moesif({
  applicationId:
    "eyJhcHAiOiI2NjA6NDE0IiwidmVyIjoiMi4xIiwib3JnIjoiODY6NDEwIiwiaWF0IjoxNjkzNTI2NDAwfQ.JQVO3n2wDIdAxMBNq6ehjiv-xGlHFxerfb9vLc-91fQ",

  // Identifying Users
  identifyUser: function (req, res) {
    return req.user ? req.user.id : "Default";
  },
});

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

app.use(cors());
app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));
app.use(require("express-status-monitor")());
app.use(moesifMiddleware);

moesifMiddleware.startCaptureOutgoing();

app.use(function (req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header("Access-Control-Allow-Methods", "GET,PUT,POST,DELETE");
  res.header("Access-Control-Allow-Headers", "Content-Type");
  next();
});

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

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

// error handler
app.use(function (err, req, res, next) {
  // 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;