Created a Product model

models/productModel.js

@@ -0,0 +1,34 @@
+'use strict';
+
+var mongoose = require('mongoose');
+
+var productModel = function () {
+
+    //Define a super simple schema for our products.
+    var productSchema = mongoose.Schema({
+        name: String,
+        price: Number
+    });
+
+    /**
+     * Verbose toString method
+     */
+    productSchema.methods.whatAmI = function () {
+        var greeting = this.name ?
+            'Hello, I\'m a ' + this.name + ' and I\'m worth $' + this.price
+            : 'I don\'t have a name :(';
+        console.log(greeting);
+    };
+
+    /**
+     * Format the price of the product to show a dollar sign, and two decimal places
+     */
+    productSchema.methods.prettyPrice = function () {
+        return '$' + this.price.toFixed(2);
+    };
+
+    return mongoose.model('Product', productSchema);
+
+};
+
+module.exports = new productModel();