Merge pull request #2304 from betagouv/fix_sentry_2755

Fix Sentry error 2755

app/controllers/new_gestionnaire/dossiers_controller.rb

@@ -101,8 +101,10 @@ module NewGestionnaire
         NotificationMailer.send_without_continuation_notification(dossier).deliver_later
       when "accepter"
         dossier.accepte!
-        dossier.attestation = dossier.build_attestation
-        dossier.save
+        if dossier.attestation.nil?
+          dossier.attestation = dossier.build_attestation
+          dossier.save
+        end
         flash.notice = "Dossier traité avec succès."
         NotificationMailer.send_closed_notification(dossier).deliver_later
       end

spec/controllers/new_gestionnaire/dossiers_controller_spec.rb

@@ -227,6 +227,14 @@ describe NewGestionnaire::DossiersController, type: :controller do
 
           is_expected.to redirect_to redirect_to gestionnaire_dossier_path(procedure, dossier)
         end
+
+        context 'and the dossier has already an attestation' do
+          it 'should not crash' do
+            dossier.attestation = Attestation.new
+            dossier.save
+            expect(subject).to redirect_to redirect_to gestionnaire_dossier_path(procedure, dossier)
+          end
+        end
       end
 
       context 'when the attestation template uses the motivation field' do