- member = source.members.find_by(user_id: current_user.id)
- group_member = source.group.members.find_by(user_id: current_user.id) if source.respond_to?(:group) && source.group

- unless group_member
  - if member
    - if member.request?
      = link_to 'Withdraw Access Request', polymorphic_path([:leave, source, :members]),
                method: :delete,
                data: { confirm: remove_member_message(member) },
                class: 'btn access-request-button hidden-xs'
  - else
    = link_to 'Request Access', polymorphic_path([:request_access, source, :members]),
              method: :post,
              class: 'btn access-request-button hidden-xs'