fix problem with group_offer policy

app/policies/application_policy.rb

@@ -32,8 +32,11 @@ class ApplicationPolicy
   end
 
   def department_manager_offer?
-    department_manager? &&
-      (user.department.include?(record.department) || user.group_offers.include?(record))
+    department_manager? && department_manager_offer_related?
+  end
+
+  def department_manager_offer_related?
+    user.department.include?(record.department) || user.group_offers.include?(record)
   end
 
   def superadmin_or_department_manager_offer?

app/views/group_offers/index.html.slim

@@ -96,7 +96,7 @@ table.table.table-striped
           - if offer.period_end.blank?
             = link_to "#{ offer.active? ? t('.deactivate') : t('.activate') }",
               change_active_state_group_offer_path(offer), method: :put, remote: :true
-            = link_to_if(policy(GroupOffer).initiate_termination?, 'Beenden', initiate_termination_group_offer_path(offer)) { '' }
+            = link_to_if(policy(offer).initiate_termination?, 'Beenden', initiate_termination_group_offer_path(offer)) { '' }
 
 
 nav.navbar.section-navigation