User
Manager
Task's Work on Tasks
Time Estimation on Tasks
Task Delegation
Project multi-company
['|',('company_id','=',False),('company_id','child_of',[user.company_id.id])]
Public Members
['|',('privacy_visibility','in',[False,'public']),('message_follower_ids','in',[user.partner_id.id])]
Task multi-company
['|',('company_id','=',False),('company_id','child_of',[user.company_id.id])]
Tasks According to User and Project
['|','|','|',('user_id','=',False),('user_id','=',user.id),('project_id.members','in', [user.id]),('project_id.user_id','=',user.id)]
Project Managers: all tasks from all projects
[(1,'=',1)]