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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

Adding relational fields to a model

Relational fields are used to represent relations between Odoo models. There are three types of relations:

  • many-to-one, or m2o for
  • one-to-many, or o2m for short
  • many-to-many, or m2m for short

To illustrate this, let’s consider the hostel room model. A room belongs to a single hostel, so the relation between the hostel and the room is m2o. However, a hostel can have multiple rooms, so the opposite relationship is o2m.

We can also have a m2m relationship. For instance, a room can offer various amenities and amenities can be available in different rooms. This is a bidirectional m2m relationship.

Getting ready

We will continue using the my_hostel add-on module from the previous recipe.

How to do it...

We will edit the models/hostel_room.py file to add these fields:

  1. Add the m2o field for the hostel in Hostel Room:
    class HostelRoom(models.Model):
        
    # ...
        ...

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