Scheduler-Backend/app.js

import createError from "http-errors";
import express from 'express';
import path from 'path';
import cookieParser from 'cookie-parser';
import logger from 'morgan';
import mongoose from "mongoose";
import {passport} from "./passport.js";

import {router as authRouter} from "./routes/auth.js";
import {router as memberRouter} from "./routes/members.js";
import {router as appointmentsRouter} from "./routes/appointments.js";
import {fileURLToPath} from "url";
import cors from "cors";

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const app = express();

const DB_CONNECTION_STRING = process.env.DB_CONNECTION.toString();

async function connect() {
  await mongoose.connect(DB_CONNECTION_STRING)
      .then(() => console.log('Connected to the database'))
      .catch(err => console.error('Database connection error:', err));
}

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');

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(passport.initialize());

app.use('/api/users', memberRouter);
app.use('/api/schedule', appointmentsRouter);
app.use('/api/auth', authRouter);

// 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');
});

connect();

export {app};