server.js

/* Getting MEAN Tutorial
 * by Len Payne <len.payne@lambtoncollege.ca>
 */

// Declaring some Constants for Later Use
var LISTENING_PORT = 3000;

// Standard Steps to Initalize/Import the Express Framework
var express = require('express');
var bodyParser = require('body-parser');
var app = express();

// Steps to Initialize Mongoose (our MongoDB ORM)
var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/posts');
var postSchema = mongoose.Schema({author: String, content: String});
var Post = mongoose.model('Post', postSchema);

// Sets up the "public" folder to hold publicly available content
app.use(express.static('public'));
// Sets up a special path for Angular based on where npm places it
app.use('/angular', express.static('node_modules/angular'));

// Sets up the app use user the body-parser JSON reader
app.use(bodyParser.json());

// Provides a GET endpoint to return the "posts" collection
app.get('/posts', function(request, response) {
  // Uses Mongoose to go grab from the posts collection
  Post.find(function(err, posts) {
    if (err)
      response.status(500).send('Failed to retrieve posts');
    else
      response.send(posts);
  });
});

// Provides a POST endpoint to accept a new "post"
app.post('/posts', function(request, response) {
  // Builds a new instance of a Post object and saves it using Mongoose
  var post = new Post(request.body);
  post.save(function (err) {
    if (err) {
      response.status(500).send('Failed to save post: ' + request.body);
    } else {
      response.send(post);
    }
  });
});

// Configures the app to start listening on port 3000
app.listen(LISTENING_PORT, function() {
  console.log('Now listening on http://localhost:' + LISTENING_PORT);
});