Bug/2816/confirmation emails (#81)

* Adjust user interested in email to also include managers

* Add spec

app/controllers/youth/event/participations_controller.rb

@@ -14,6 +14,11 @@ module Youth::Event::ParticipationsController
     alias_method_chain :return_path, :managed
     alias_method_chain :after_destroy_path, :managed
     alias_method_chain :set_success_notice, :managed
+
+    def current_user_interested_in_mail?
+      # send email to kind and verwalter
+      current_user.and_manageds.map(&:id).include? entry.person_id
+    end
   end
 
   def cancel

spec/controllers/event/participations_controller_spec.rb

@@ -36,6 +36,25 @@
   end
 
   context 'POST#create' do
+    let(:pending_dj_handlers) { Delayed::Job.all.pluck(:handler) }
+    let(:user) { people(:bottom_member) }
+
+    it "sends confirmation mail when manager registers managed" do
+      PeopleManager.create!(manager_id: people(:top_leader).id, managed_id: user.id)
+      course.update!(waiting_list: false, maximum_participants: 2, participant_count: 1, automatic_assignment: true)
+
+      expect do
+        post :create, params: {group_id: group.id, event_id: course.id, event_participation: {person_id: user.id}}
+        expect(assigns(:participation)).to be_valid
+      end.to change { Delayed::Job.count }
+
+      expect(pending_dj_handlers).to be_one { |h| h =~ /Event::ParticipationNotificationJob/ }
+      expect(pending_dj_handlers).to be_one { |h| h =~ /Event::ParticipationConfirmationJob/ }
+
+      expect(flash[:notice])
+        .to include "Teilnahme von <i>#{user}</i> in <i>Eventus</i> wurde erfolgreich erstellt. Bitte überprüfe die Kontaktdaten und passe diese gegebenenfalls an."
+      expect(flash[:warning]).to be_nil
+    end
 
     it 'sets participation state to applied' do
       post :create,