app.js

var express = require('express');
var path = require('path');

var bodyParser = require('body-parser');

var fs = require('fs');

var app = express();

var morgan = require('morgan');

var logDirectory = './log';

// ensure log directory exists
if (!fs.existsSync(logDirectory)){
    fs.mkdirSync(logDirectory);
}

var FileStreamRotator = require('file-stream-rotator');

// create a rotating write stream
var accessLogStream = FileStreamRotator.getStream({
    date_format: 'YYYYMMDD',
    filename: logDirectory + '/access-%DATE%.log',
    frequency: 'daily',
    verbose: false
});


// setup the logger
//app.use( morgan('combined', {stream: accessLogStream}));
app.use( morgan('dev', {stream: accessLogStream}));


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

app.use(morgan('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(express.static(path.join(__dirname, 'public')));


// routes module
var plusfriendAPI = require('./routes/plusfriend/index');


// Plusfriend API server
app.use('/api/plusfriend', plusfriendAPI);


// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});

module.exports = app;