app.js

/* Load NodeJS Modules */
var express = require('express');
var path = require('path');
var bodyParser = require('body-parser');

var app = express();
app.use(express.static('public'));

//To Support body on post requests
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

/* Load Local Modules */
var sl = require('./modules/serviceLayer');
//var db = require('./modules/persist');
var slOptions = {
  headers: {
    "Content-Type": "application/json",
    "Accept": "application/json",
  }
}
var output = {};

//First Thing, coonect to SL and store a SessionID
if (!process.env.APIHUB) {
  sl.Connect(function (error, resp) {
    if (error) {
      console.error("Can't Connect to Service Layer");
      console.error(error);
      return; // Abort Execution
    } else {
      slOptions.headers["Cookie"] = resp.cookie;
    }
  });
} else {
  slOptions.headers["demoDB"] = process.env.B1_COMP_ENV
  slOptions.headers["APIKey"] = process.env.APIKey
}

//db.Connect(function (error) {
//  if (error) {
//    console.error("Can't Connect to CF Database");
//    console.error(error);
//  }
//})

//Endpoint to POST items to Service Layer
app.post('/InsertItem', function (req, res) {
  //db.Insert(req.body, function (error, resp) {
  //  res.redirect('/');
  //});
});

//Endpoint to POST items to Service Layer
app.get('/SelectItems', function (req, res) {
  //db.Select(function (error, resp) {
  //  if (error) {
  //    console.log('Cant Select rows')
  //    console.log(error);
  //  } else {
  //    res.setHeader('Content-Type', 'application/json');
  //    res.send(resp);
  //  }
  //});
});


//EndPoint To retrieve Items from Service Layer
app.get('/GetItems', function (req, res) { 
  sl.GetItems(slOptions, function (error, resp) {
    if (error) {
      console.error("Can't get Items from Service Layer - " + error);
      res.send(error);
    } else {
      res.setHeader('Content-Type', 'application/json');
      res.send(resp);
    }
  });
});

//EndPoint to Retrieve Environment Variables
app.get('/GetEnv', function (req, res) {
  output.sl = slOptions.headers.Cookie || "API Biz Hub"
  output.instance = 0;
  output.instance = (process.env.CF_INSTANCE_INDEX * 1) + 1
  output.env = process.env.HOME;
  res.send(output);
});

//Synchronize Local DB with B1 SL
app.post('/Sync', function (req, res) {
  console.log("LETS SYNC ITEMS");
  //db.Select(function (error, rows) {
  //  if (error) {
  //    console.log('Cant Select rows')
  //    console.log(error);
  //  } else {
  //    console.log("HERE ARE ITEMS TO SYNC" + JSON.stringify(rows));
  //    var items = 0
  //    for (var i = 0; i < rows.length; i++) {
  //      var body = { ItemCode: rows[i].code, ItemName: rows[i].name }
  //      console.log("Sync Item " + rows[i].code)
  //      sl.PostItems(slOptions, body, function (err, slItem) {
  //        items++;
  //        if (!err) {
  //          db.Update(slItem.ItemCode, function (err, resp) {
  //            if (!err) {
  //              console.log("Item Synchronized");
  //            } else {
  //              console.error(err);
  //            }
  //          })
  //          if (items == rows.length){
  //            res.redirect('/');
  //          }
  //        }
  //      })
  //    }
  //  }
  //});
});


// Root path to retrieve Index.html
//app.get('/', function (req, res) {
//  res.sendFile(path.join(__dirname, 'views/index.html'));
//});

var port = process.env.PORT || 8080
app.listen(port, function () {
  console.log('Example app listening on port ' + port);
});