Umesh

Nov 26, 2023

MVC Architecture

In the realm of backend development, the Model-View-Controller (MVC) architecture stands as a stalwart design pattern, bringing order and efficiency to the development process. For a developer who is enthusiastic about Node.js understanding and leveraging MVC patterns can elevate their backend expertise to new heights.

So In this article, we'll delve into the intricacies of MVC architecture, exploring its components, benefits, and how it plays a pivotal role in Node.js development.

Understanding MVC architecture:

MVC is a software design pattern that divides an application into three interconnected components Model, View, and Controller. Each component has a distinct responsibility which promotes code modularity, maintainability, and scalability.

Model:

The Model component represents the application's data and business logic, this involves interacting with a database, handling data validation, and encapsulating the application's state. It acts as the backbone of the application, which is responsible for managing and processing data. This component only speaks to the controller.

View:

The View component is responsible for displaying the data to the user and handling user input. This could be a good old HTML/CSS template, dynamically generated pages by JavaScript frameworks, or using templating languages like EJS.

This is the only part where users can interact with the application. Views only concentrate on presenting information and are unaffected by the source of the data.

Controller:

The Controller component acts as an intermediary or a middleman between the Model and the View. It involves routing logic, handling HTTP requests, and coordinating the data flow between the Model and View.

The Controller receives user input from the View through the Router. The Router checks if the input is GET / POST / PUT / DELETE and processes input to the Controller, which processes the input provided, uses the Model to update the Database appropriately and finally refreshes the View.