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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 a hierarchy to a model

You can use an m2o field to represent hierarchies, where each record has a parent record and many child records in the same model. However, Odoo also provides improved support for this type of field by using the nested set model (https://en.wikipedia.org/wiki/Nested_set_model). When activated, queries using the child_of operator in their domain filters will run significantly faster.

Staying with the Hostel example, we will build a hierarchical category tree that can be used to categorize hostels.

Getting ready

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

How to do it...

We will add a new Python file, models/hostel_categ.py, for the category tree, as follows:

  1. To load the new Python code file, add the following line to models/__init__.py:
    from . import hostel_categ
  2. To create the Hostel Category model with the parent and child relationships, create the models/hostel_categ.py file with the following...

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