In this commit some reorganization is performed within mail compose message
code. Purpose is to reorder a bit methods by main usage: onchange, CRUD,
actions, values generation with rendering and template management.
Some renaming is performed on action methods, notably send_mail that has some
impact on sub-addons. Finally we also set onchange and sub-onchange methods
private.
No functional change should be implied by this commit.
LINKS
Task ID-2377974
Community PR odoo/odoo#61467
Enterprise PR odoo/enterprise#14633
This refactoring extracts parts of `sale_coupon` module to create a more
generic module called `coupon`. This new module can be extended in
different sales modules to implement functionalities specific to modules
that extend it.
Thibault Delavallée