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)

Accessing grouped data

When you want data for statistics, you often need it in a grouped form, such as a monthly sales report, or a report that shows sales per customer. It is time-consuming to search records and group them manually. In this recipe, we will explore how you can use the read_group() method to access grouped data.

How to do it...

Perform the following steps:


The read_group() method is widely used for statistics and smart stat buttons.

  1. Let's assume that you want to show the number of sales orders on the partner form. This can be done by searching sales orders for a customer and then counting the length:
    # in res.partner model
    so_count = fields.Integer(compute='_compute_so_count', string='Sale order count')
    def _compute_so_count(self):
        sale_orders = self.env['sale.order'].search(domain=[('partner_id', 'in', self.ids)])
        for partner in self: