fix API contract

app/controllers/registrations_controller.rb

@@ -164,7 +164,7 @@ def do_import
       delete_params = []
       registrations.filter { |r| r.accepted? }.each do |registration|
         unless emails.include?(registration.user.email)
-          delete_params << { attendee_id: registration.attendee_id, competing_status: "deleted", acting_id: current_user.id, acting_type: "user" }
+          delete_params << { attendee_id: registration.attendee_id, user_id: registration.user.id, competing_status: "deleted", actor_id: current_user.id, actor_type: "user" }
         end
       end
       registration_rows.each do |registration_row|
@@ -174,20 +174,20 @@ def do_import
         events = competition.competition_events.each_with_object([]) do |competition_event, signed_up_events|
           value = registration_row[competition_event.event_id.to_sym]
           if value == "1"
-            signed_up_events >> competition_event.id
+            signed_up_events << competition_event.event_id
           elsif value != "0"
             raise I18n.t("registrations.import.errors.invalid_event_column", value: value, column: competition_event.event_id)
           end
         end
         if registration.nil?
-          create_params << { attendee_id: "#{competition.id}-#{user.id}", competing_status: "accepted", acting_id: current_user.id, acting_type: "user", event_ids: events }
+          create_params << { attendee_id: "#{competition.id}-#{user.id}", user_id: user.id, competing_status: "accepted", actor_id: current_user.id, actor_type: "user", event_ids: events }
         else
-          update_params << { attendee_id: registration.attendee_id, competing_status: "accepted", acting_id: current_user.id, acting_type: "user", event_ids: events }
+          update_params << { attendee_id: registration.attendee_id, user_id: user.id, competing_status: "accepted", actor_id: current_user.id, actor_type: "user", event_ids: events }
         end
       end
       import_response = Microservices::Registrations.import_registrations(competition.id, { create: create_params, update: update_params, delete: delete_params })
-      if import_response.errors.any?
-        raise import_response.errors.join(', ')
+      unless import_response[:errors].nil?
+        raise import_response[:errors].join(', ')
       end
     else
       ActiveRecord::Base.transaction do
@@ -225,6 +225,7 @@ def do_import
     redirect_to competition_registrations_import_url(competition)
   rescue StandardError => e
     flash[:danger] = e.to_s
+    puts e.backtrace
     redirect_to competition_registrations_import_url(competition)
   end