class GroupMembersFinder
def initialize(group)
@group = group
end
def execute
group_members = @group.members
return group_members unless @group.parent
parents_members = GroupMember.non_request.
where(source_id: @group.ancestors.select(:id)).
where.not(user_id: @group.users.select(:id))
wheres = ["members.id IN (#{group_members.select(:id).to_sql})"]
wheres << "members.id IN (#{parents_members.select(:id).to_sql})"
GroupMember.where(wheres.join(' OR '))
end
end