[FIX][IMP] Avoid Error Message: "A follower must be either a partner or a channel...". Show team name on activities in the chatter. Rename field string "test field"

mail_activity_team/__manifest__.py

@@ -25,5 +25,6 @@
 
     'qweb': [
         'static/src/xml/systray.xml',
+        'static/src/xml/activity.xml',
     ],
 }

mail_activity_team/models/__init__.py

@@ -3,3 +3,4 @@ from . import mail_activity
 from . import res_users
 from . import mail_activity_mixin
 from . import calendar_event
+from . import mail_thread

mail_activity_team/models/mail_activity.py

@@ -38,7 +38,7 @@ class MailActivity(models.Model):
         if self.team_id and self.user_id in self.team_id.member_ids:
             return res
         self.team_id = self.with_context(
-            default_res_model=self.res_model_id.id).\
+            default_res_model=self.res_model_id.id). \
             _get_default_team_id(user_id=self.user_id.id)
         return res
 
@@ -71,3 +71,43 @@ class MailActivity(models.Model):
         res = super().action_create_calendar_event()
         res['context']['default_team_id'] = self.team_id.id or False
         return res
+
+    @api.model
+    def create(self, vals):
+        activity_user = super().create(vals)
+        if activity_user.team_id and not activity_user.user_id and \
+                activity_user.date_deadline <= fields.Date.today():
+            for partner_id in activity_user.team_id.mapped("member_ids.partner_id.id"):
+                self.env['bus.bus'].sendone(
+                    (self._cr.dbname, 'res.partner', partner_id),
+                    {'type': 'activity_updated', 'activity_created': True}
+                )
+        return activity_user
+
+    @api.multi
+    def write(self, values):
+        self._check_access('write')
+        if values.get('team_id'):
+            pre_responsibles = {
+                activity: activity.team_id.mapped("member_ids.partner_id")
+                for activity in self
+            }
+        res = super(MailActivity, self.sudo()).write(values)
+
+        if values.get('team_id'):
+            today = fields.Date.today()
+            for activity in self:
+                if activity.date_deadline <= today:
+                    for partner in activity.team_id.member_ids.mapped("partner_id"):
+                        self.env['bus.bus'].sendone(
+                            (self._cr.dbname, 'res.partner', partner.id),
+                            {'type': 'activity_updated', 'activity_created': True}
+                        )
+            for activity in pre_responsibles:
+                if activity.date_deadline <= today:
+                    for partner in pre_responsibles[activity]:
+                        self.env['bus.bus'].sendone(
+                            (self._cr.dbname, 'res.partner', partner.id),
+                            {'type': 'activity_updated', 'activity_deleted': True}
+                        )
+        return res

mail_activity_team/models/mail_activity_mixin.py

@@ -7,7 +7,7 @@ class MailActivityMixin(models.AbstractModel):
     _inherit = 'mail.activity.mixin'
 
     activity_team_user_ids = fields.Many2many(
-        comodel_name='res.users', string='test field',
+        comodel_name='res.users', string='Responsible Members',
         compute="_compute_activity_team_user_ids",
         search="_search_activity_team_user_ids",
     )

mail_activity_team/models/mail_thread.py

@@ -0,0 +1,20 @@
+# Copyright 2020 sewisoft, guenter.selbert
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+from odoo import api, models
+
+
+class MailThread(models.AbstractModel):
+    _inherit = 'mail.thread'
+
+    @api.multi
+    def message_subscribe(self, partner_ids=None, channel_ids=None, subtype_ids=None,
+                          force=True):
+        """ filter none """
+        if partner_ids:
+            partner_ids = [pid for pid in partner_ids if pid]
+        return super().message_subscribe(
+            partner_ids=partner_ids,
+            channel_ids=channel_ids,
+            subtype_ids=subtype_ids,
+            force=force
+        )

mail_activity_team/static/src/xml/activity.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<templates xml:space="preserve">
+
+    <t t-extend="mail.activity_items">
+         <t t-jquery="t[t-esc='activity.user_id[1]']" t-operation="after">
+                    <t t-if="activity.team_id and activity.user_id"> / </t>
+             <t t-if="activity.team_id" t-esc="activity.team_id[1]"/>
+         </t>
+    </t>
+
+</templates>