PURPOSE
Improves various views related to the mass mailing lists to help the user to
check the "health" of its lists at a glance.
SPECS
Introduce statistic fields on mailing.list:
- Total number of contacts (replaces the previous number of valid emails)
- Number of valid email contacts
- Number of valid SMS contacts
- Number of mailings sent using the list
- Percentage (and total count) of opted-out contacts
- Percentage (and total count) of blacklisted contacts
- Percentage of contacts having at least one bounced message
The statistics are shown on the kanban and also on the form view where they are
used to quickly reach the associated mailings / contacts.
Demo data were slightly adapted to show more interesting demos on views.
On a technical point of view, the various counts of contacts are made in a
single query using CASE WHEN syntax.
We need some entry points in the query to be able to dynamically add fields and
joins in the mass_mailing_sms app, but it's better than copy/pasting multiple
times a very similar query.
LINKS
Task 2182622
UPG PR odoo/upgrade#1990closesodoo/odoo#53221
Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>