Bruno Boi
cbc9f3c649
PURPOSE
Allow to group records by many2many fields.
Use case: turn the user_id m2o field on project.task into a user_ids m2m field
in order to assign multiple collaborators on a task
SPECIFICATION
Add many2many fields to the 'list of groupable fields'.
When grouping a set of records by a many2many, records linked to multiple
records of the comodel will essentially be in multiple 'groups' (even though
those are not really 'groups' anymore).
There will also be a "null" group, for records that have an empty value of the
many2many, like "unassigned" records.
Example: grouping a project.task linked to 10 res.users by the user_ids
many2many field, the project.task will be 'rendered/considered/displayed' 10
times, once per res.users.
Kind of like if we grouped the m2m relation table instead.
When grouping by a m2m field:
- listview
editing an instance of a record also updates each other instance(if any)
- the same goes when scheduling an activity, etc.
disable deletion
- the risk here is that the user might expected that this will 'unlike'
the record from a specific record of the many2many field
disable archive/unarchive
- kanban
disable drag&drop between groups
disable deletion
disable archive/unarchive
- searchview
display many2many fields custom groupby dropdown
With this commit, we also support groupby many2many field in mockServer so that
test cases are written based on that.
task-2508608
closes odoo/odoo#74985
Related: odoo/enterprise#20192
Signed-off-by: Lucas Perais (lpe) <lpe@odoo.com>
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