server.js

// server.js

// set up ========================
var express  = require('express');
var app      = express();                               // create our app w/ express
var mongoose = require('mongoose');                     // mongoose for mongodb
var morgan = require('morgan');             // log requests to the console (express4)
var bodyParser = require('body-parser');    // pull information from HTML POST (express4)
var methodOverride = require('method-override'); // simulate DELETE and PUT (express4)
var cors = require('cors');

// configuration =================

console.log("starting");
var db = mongoose.connect(process.env.MONGODB_URI,{useMongoClient: true});     // connect to mongoDB database on modulus.io
app.use(express.static(__dirname + '/public'));                 // set the static files location /public/img will be /img for users
app.use(morgan('dev'));                                         // log every request to the console
app.use(bodyParser.urlencoded({'extended':'true'}));            // parse application/x-www-form-urlencoded
app.use(bodyParser.json());                                     // parse application/json
app.use(bodyParser.json({ type: 'application/vnd.api+json' })); // parse application/vnd.api+json as json
app.use(methodOverride());
// Add headers
app.use(cors());

// define model
var Todo = mongoose.model('Todo', {
    text: String
});
// routes
//api
app.get("/api/todos", function(req, res){
    Todo.find(function(err, todos){
        if (err)
        {
            res.send(err);
        }
        res.setHeader('Access-Control-Allow-Origin', 'http://localhost:8888');
        res.json(todos);
    });
});

app.post("/api/todos", function(req, res){
    Todo.create({
        text: req.body.text,
        done: false
    },
    function(err, todo){
        if (err)
        {
            res.send(err);
        }
        Todo.find(function(err, todos){
            if (err)
            {
                res.send(err);
            }
            res.json(todos);
        });

    });
});

app.delete("/api/todos/:todo_id", function(req, res){
    Todo.remove({_id: req.params.todo_id},
    function(err, todo){
        if (err)
        {
            res.send(err);
        }

        Todo.find(function(err, todos){
            if (err)
            {
                res.send(err);
            }
            res.json(todos);
        });
    });
});

app.get("*", function(req, res){
    res.sendfile("./public/index.html");
});
// listen (start app with node server.js) ======================================
app.listen(process.env.PORT || 8080);
console.log("App listening on port 8080");