Adding messaging and tracking features

Odoo social features are used in many of the standard apps. They provide an easy way for the user to be updated and to collaborate around business documents. It is, therefore, important for the custom addon modules to also support them.

These features are provided by the Discuss app (the technical name is mail) and their most visible aspect is the message wall at the bottom of the form for a business document, along with the follower box on its right-hand side:

Getting ready

We will use my_module introduced in Chapter 3, Creating Odoo Modules, defining the Library Book model. You can get that code or quickly create an addon around this model:

from odoo import models, fields 
class LibraryBook...