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Odoo Development Cookbook

Odoo Development Cookbook

By : Daudi, Vora, Gajjar, Fayolle, Holger Brunn, Daniel Reis
4.2 (12)
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Odoo Development Cookbook

Odoo Development Cookbook

4.2 (12)
By: Daudi, Vora, Gajjar, Fayolle, Holger Brunn, Daniel Reis

Overview of this book

The latest version of the powerful Odoo framework uncovers a wide variety of features for rapid application development. Written by seasoned Odoo experts, this updated Odoo Development Cookbook will help you explore Odoo 17’s new features and use them to develop applications from scratch. You'll learn about website development concepts and get to grips with the Odoo Web Library (OWL), as well as create a new Odoo module from the ground up before progressing to advanced framework concepts. The book also shows you how to modify existing applications, including Point of Sale (POS) applications. Going beyond backend development, you'll discover advanced JavaScript recipes for creating new views and widgets. You'll get a clear understanding of website development and be on your way to becoming a proficient Odoo developer by studying performance optimization, debugging, and automated testing. By the end of this book, you'll have the knowledge you need to build impressive applications and be well-versed in Odoo development best practices.
Table of Contents (28 chapters)
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17
Chapter 17: In-App Purchasing with Odoo

Invoking functions from XML files

You can create all types of records from XML files, but sometimes, it is difficult to generate data that includes some business logic. You might want to modify records when a user installs a dependent module in production. In this case, you can invoke the model method through the <function> tag.

How to do it...

For this tutorial, we will use the code from the previous tutorial. As an example, we will increase the existing room price by $10 USD. Note that you might use another currency based on company configurations.

Follow these steps to invoke the Python method from the XML file:

  1. Add the _update_room_price() method to the hostel.room model:
    @api.model
    def _update_room_price(self):
        all_rooms = self.search([])
        for room in all_rooms:
            room.cost_price += 10
  2. Add <function> to the data XML file:
    <function model="hostel.room...

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