Book Image

Odoo 14 Development Cookbook - Fourth Edition

By : Parth Gajjar, Alexandre Fayolle, Holger Brunn, Daniel Reis
5 (2)
Book Image

Odoo 14 Development Cookbook - Fourth Edition

5 (2)
By: Parth Gajjar, Alexandre Fayolle, Holger Brunn, Daniel Reis

Overview of this book

With its latest iteration, the powerful Odoo framework released a wide variety of features for rapid application development. This updated Odoo development cookbook will help you explore the new features in Odoo 14 and learn how to use them to develop Odoo applications from scratch. You'll learn about the new website concepts in Odoo 14 and get a glimpse of Odoo's new web-client framework, the Odoo Web Library (OWL). Once you've completed the installation, you'll begin to explore the Odoo framework with real-world examples. You'll then create a new Odoo module from the ground up and progress to advanced framework concepts. You'll also learn how to modify existing applications, including Point of Sale (POS) applications. This book isn't just limited to backend development; you'll discover advanced JavaScript recipes for creating new views and widgets. As you progress, you'll learn about website development and become a quality Odoo developer by studying performance optimization, debugging, and automated testing. Finally, you'll delve into advanced concepts such as multi-website, In-App Purchasing (IAP),, the IoT Box, and security. By the end of the book, you'll have all the knowledge you need to build impressive Odoo applications and you'll be well versed in development best practices that will come in handy when working with the Odoo framework.
Table of Contents (26 chapters)

Modifying existing business logic

In the previous recipes, we saw how to fetch data through an RPC and how to modify the UI of the Point of Sale application. In this recipe, we will see how you can modify or extend the existing business logic.

Getting ready

In this recipe, we will be using the pos_demo module created in the Modifying the Point of Sale screen UI recipe, which is where we fetched the purchase price of a product and displayed the product margin. Now, in this recipe, we will show a warning to the user if they sell the product below the product margin.

How to do it...

Most of the business logic of the Point of Sale application is written in JavaScript, so we just need to make changes to it to achieve the goal of this recipe. Add the following code to /static/src/js/pos_demo.js to show a warning when the user sells a product below the purchase price:

const UpdatedProductScreen = ProductScreen =>
    class extends ProductScreen {