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Odoo 12 Development Essentials

Odoo 12 Development Essentials

By : Daniel Reis
4.4 (5)
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Odoo 12 Development Essentials

Odoo 12 Development Essentials

4.4 (5)
By: Daniel Reis

Overview of this book

Odoo is one of the best platforms for open source ERP and CRM. Its latest version, Odoo 12, brings with it new features and updates in Python packages to develop more customizable applications with additional cloud capabilities. The book begins by covering the development essentials for building business applications. You will start your journey by learning how to install and configure Odoo, and then transition from having no specific knowledge of Odoo to being ready for application development. You will develop your first Odoo application and understand topics such as models and views. Odoo 12 Development Essentials will also guide you in using server APIs to add business logic, helping you lay a solid foundation for advanced topics. As you progress through the chapters, you will be equipped to build and customize your applications and explore the new features in Odoo 12, such as cloud integration, to scale your business applications. You will get insights into building business logic and integrating various APIs into your application. By the end of the book, you will be able to build a business application from scratch by using the latest version of Odoo.
Table of Contents (17 chapters)
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Computed fields


Fields can have their values automatically calculated by a function, instead of simply reading a database stored value. A computed field is declared just like a regular field, but has the additional compute argument to define the function used for its computation.

 

 

In most cases, computed fields involve writing some business logic. So, to take full advantage of this feature, we need to learn the topics explained in Chapter 8, Business Logic - Supporting Business Processes. We can still explain computed fields here, but will keep the business logic as simple as possible.

Let's work on an example. Books have a publisher. We would like to have the the publisher's country in book form.

For this, we will use a computed field, based on the publisher_id, which will take its value from the publisher's country_id field.

We should edit the book model in the library_app/models/library_book.py file to add the following:

# class Book(models.Model):
    publisher_country_id = fields.Many2one...
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