[IMP] hr: display employees kanban from department

Currently on the HR employee form, clicking on the department displays the default form of the department.
Instead, it should display the kanban view of the employees who are part of the department

task-2678198

closes odoo/odoo#79339

Signed-off-by: Kevin Baptiste <kba@odoo.com>

addons/hr/models/hr_department.py

@@ -91,3 +91,18 @@ class Department(models.Model):
                 ('parent_id', '=', department.manager_id.id)
             ])
         employees.write({'parent_id': manager_id})
+
+    def get_formview_action(self, access_uid=None):
+        res = super().get_formview_action(access_uid=access_uid)
+        if (not self.user_has_groups('hr.group_hr_user') and
+           self.env.context.get('open_employees_kanban', False)):
+            res.update({
+                'name': self.name,
+                'res_model': 'hr.employee.public',
+                'view_type': 'kanban',
+                'view_mode': 'kanban',
+                'views': [(False, 'kanban'), (False, 'form')],
+                'context': {'searchpanel_default_department_id': self.id},
+                'res_id': False,
+            })
+        return res

addons/hr/views/hr_employee_public_views.xml

@@ -59,7 +59,7 @@
                                     <field name="work_email" widget="email"/>
                                 </group>
                                 <group>
-                                    <field name="department_id"/>
+                                    <field name="department_id" context="{'open_employees_kanban': 1}"/>
                                     <field name="employee_type"/>
                                     <field name="company_id" groups="base.group_multi_company"/>
                                     <field name="parent_id"/>