Book Image

MEAN Web Development

By : Amos Q. Haviv
Book Image

MEAN Web Development

By: Amos Q. Haviv

Overview of this book

The MEAN stack is a collection of the most popular modern tools for web development; it comprises MongoDB, Express, AngularJS, and Node.js. Starting with MEAN core frameworks, this project-based guide will explain the key concepts of each framework, how to set them up properly, and how to use popular modules to connect it all together. By following the real-world examples shown in this tutorial, you will scaffold your MEAN application architecture, add an authentication layer, and develop an MVC structure to support your project development. Finally, you will walk through the different tools and frameworks that will help expedite your daily development cycles. Watch how your application development grows by learning from the only guide that is solely orientated towards building a full, end-to-end, real-time application using the MEAN stack!
Table of Contents (18 chapters)
MEAN Web Development
About the Author
About the Reviewers

Defining custom model methods

Mongoose models are pretty packed with both static and instance predefined methods, some of which you already used before. However, Mongoose also lets you define your own custom methods to empower your models, giving you a modular tool to separate your application logic properly. Let's go over the proper way of defining these methods.

Defining custom static methods

Model static methods give you the liberty to perform model-level operations, such as adding extra find methods. For instance, let's say you want to search users by their username. You could of course define this method in your controller, but that wouldn't be the right place for it. What you're looking for is a static model method. To add a static method, you will need to declare it as a member of your schema's statics property. In our case, adding a findOneByUsername() method would look like the following code snippet:

UserSchema.statics.findOneByUsername = function (username, callback) {