1 local area_id = assert(param.get("area_id", atom.integer), "no area id given")

2 local membership = Membership:by_pk(area_id, app.session.member.id)

3

4 local area = Area:by_id(area_id)

5 if param.get("delete", atom.boolean) then

6 if membership then

7 membership:destroy()

8 slot.put_into("notice", _"Subscription removed")

9 else

10 slot.put_into("notice", _"Subscription already removed")

11 end

12 return

13 end

14

15 if not app.session.member:has_voting_right_for_unit_id(area.unit_id) then

16 slot.put_into("error", _"You are not eligible to participate")

17 return false

18 end

19

20 if not membership then

21 membership = Membership:new()

22 membership.area_id = area_id

23 membership.member_id = app.session.member_id

24 membership:save()

25 slot.put_into("notice", _"Subject area subscribed")

26 end