Files
odoo_source/addons/mail/models
jvm-odoo 7910723d36 [FIX] mail: fix can't add follower
Issue

	- Install Contacts
	- Technical / Email / Subtypes / Discussions
	- Uncheck Default
	- Go on any contact
	- Add an user as follower
	- Edit the follower, check any box
	- Save
	- Re-edit for checking

	Not saved

Cause

	In mail_followers.py _add_followers method

	We do:
	```py
	new_sids = set(channel_subtypes[channel_id]) - set(sids)
       	old_sids = set(sids) - set(channel_subtypes[channel_id])
	```

	If no box are checked, sids value will be [None] instead
	of [] (_get_subscription_data) so, new_sids and old_sids
	will have a value but old_sids should not, it override
	the change we made

	We have [None] value because in _get_subscription_data
	we use array_agg which returns a list or None if there
	are no input rows

Solution

	Compute old_sids if sids is not [None]

OPW-2271472

closes odoo/odoo#52869

X-original-commit: b1cdef0272a797fe2c1e5e0634ff400d17480d85
Signed-off-by: Jason Van Malder (jvm) <jvm@odoo.com>
2020-06-11 14:55:37 +00:00
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