Adds datacenter route and controller

controllers/datacenters.js

+var express = require('express'),
+router = express.Router(),
+mongoose = require('mongoose');
+
+  //GET all datacenters
+  exports.list_datacenters = function(req, res, next) {
+    //retrieve all users from Monogo
+    mongoose.model('Datacenter').find({}, function (err, datacenters) {
+    	if (err) {
+    		return console.error(err);
+    	} else {
+        //respond to both HTML and JSON. JSON responses require 'Accept: application/json;' in the Request Header
+        res.format({
+            //HTML response will render the users/index.html
+            html: function(){
+            	res.render('./datacenters/list', {
+                title: 'Datacenter list',
+                datacenters: datacenters
+              });
+            },
+          //JSON response will show all users in JSON format
+          json: function(){
+          	res.json(datacenters);
+          }
+        });
+      }
+    });
+  }
+
+  //POST a new datacenter
+  exports.add_datacenter = function(req, res) {
+    // Get values from POST request. These can be done through forms or REST calls. These rely on the "name" attributes for forms
+    var name = req.body.name;
+    var lat = req.body.latitude;
+    var lon = req.body.longitude;
+    var alt = req.body.altitude;
+    var location = {'lat' : lat, 'lon' : lon, 'alt' : alt};
+    console.log(location);
+    //call the create function for our database
+    mongoose.model('Datacenter').create({
+    	_id : new mongoose.Types.ObjectId(),
+      name : name,
+      location : location
+    }, function (err, datacenter) {
+      if (err) {
+        res.send("There was a problem adding the information to the database.");
+      } else {
+        //datacenter has been created
+        console.log('POST creating new datacenter: ' + datacenter);
+        res.format({
+            //HTML response will set the location and redirect back to the home page. You could also create a 'success' page if that's your thing
+            html: function(){
+              // If it worked, set the header so the address bar doesn't still say /adduser
+              res.location("datacenters");
+              // And forward to success page
+              res.redirect("/datacenters");
+            },
+          //JSON response will show the newly created user
+          json: function(){
+            res.json(datacenter);
+          }
+        });
+      }
+    })
+  };
+
+  exports.view_datacenter = function(req, res) {
+    mongoose.model('Datacenter').findById(req.params.id, function (err, datacenter) {
+      if (err) {
+        console.log('GET Error: There was a problem retrieving: ' + err);
+      } else {
+        console.log('GET Retrieving ID: ' + datacenter._id);
+        res.format({
+          html: function(){
+            res.render('datacenters/view', {
+              title: 'View of ' + datacenter.type,
+              datacenter : datacenter
+            });
+          },
+          json: function(){
+            res.json(datacenter);
+          }
+        });
+      }
+    });
+  };
+
+  //GET the individual user by Mongo ID
+  exports.edit_datacenter = function(req, res) {
+    //search for the user within Mongo
+    mongoose.model('Datacenter').findById(req.params.id, function (err, datacenter) {
+      if (err) {
+        console.log('GET Error: There was a problem retrieving: ' + err);
+      } else {
+        //Return the user
+        console.log('GET Retrieving ID: ' + datacenter._id);
+        res.format({
+            //HTML response will render the 'edit.jade' template
+            html: function(){
+             res.render('datacenters/edit', {
+              title: 'Edit datacenter #' + datacenter._id,
+              datacenter : datacenter
+            });
+           },
+             //JSON response will return the JSON output
+             json: function(){
+               res.json(datacenter);
+             }
+           });
+      }
+    });
+  };
+
+  //POST to update a user by ID
+  exports.post_edit_datacenter = function(req, res) {
+    // Get our REST and form values.
+    var id = req.params.id;
+    var name = req.body.name;
+    var lat = req.body.latitude;
+    var lon = req.body.longitude;
+    var alt = req.body.altitude;
+    var location = {'lat' : lat, 'lon' : lon, 'alt' : alt};
+
+    console.log(req.body);
+    //find the document by ID
+    mongoose.model('Datacenter').findByIdAndUpdate(id, {
+      name : name,
+      location : location
+    }, function (err, datacenter) {
+      if (err) {
+        res.send("There was a problem updating the information to the database: " + err);
+      }
+      else {
+        //HTML responds by going back to the page or you can be fancy and create a new view that shows a success page.
+        res.format({
+          html: function(){
+           res.redirect("/datacenters/" + datacenter._id);
+         },
+           //JSON responds showing the updated values
+           json: function(){
+             res.json(datacenter);
+           }
+         });
+      }
+    })
+  };
+
+  //DELETE a Users by ID
+  exports.delete_datacenter = function (req, res){
+    //find user by ID
+    mongoose.model('Datacenter').findById(req.params.id, function (err, datacenter) {
+      if (err) {
+        return console.error(err);
+      } else {
+        //remove it from Mongo
+        datacenter.remove(function (err, datacenter) {
+            if (err) {
+              return console.error(err);
+            } else {
+              //Returning success messages saying it was deleted
+              console.log('DELETE removing ID: ' + datacenter._id);
+              res.format({
+                //HTML returns us back to the main page, or you can create a success page
+                  html: function(){
+                       res.redirect("/datacenters");
+                 },
+                 //JSON returns the item with the message that is has been deleted
+                json: function(){
+                       res.json({message : 'deleted',
+                           item : datacenter
+                       });
+                 }
+              });
+            }
+        });
+      }
+    });
+  };

routes/datacenterRoute.js

+'use strict';
+var express = require('express'),
+    router = express.Router();
+
+    var datacenterController = require('../controllers/datacenters');
+
+    router.route('/')
+        .get(datacenterController.list_datacenters)
+        .post(datacenterController.add_datacenter);
+
+    router.route('/:id')
+        .get(datacenterController.view_datacenter);
+
+    router.route('/:id/edit')
+        .get(datacenterController.edit_datacenter)
+        .post(datacenterController.post_edit_datacenter);
+
+    router.route('/:id/delete')
+        .get(datacenterController.delete_datacenter);
+
+
+module.exports = router