DossierController: giving an advice does not remove the notifications

app/controllers/backoffice/dossiers_controller.rb

@@ -32,7 +32,11 @@ class Backoffice::DossiersController < Backoffice::DossiersListController
       @headers_private = @champs_private.select { |champ| champ.type_champ == 'header_section' }
     end
 
-    Notification.where(dossier_id: dossier_id).update_all already_read: true
+    # if the current_gestionnaire does not own the dossier, it is here to give an advice
+    # and it should not remove the notifications
+    if current_gestionnaire.dossiers.find_by(id: dossier_id).present?
+      Notification.where(dossier_id: dossier_id).update_all(already_read: true)
+    end
 
     @new_avis = Avis.new(introduction: "Bonjour, merci de me donner votre avis sur ce dossier.")
   end

spec/controllers/backoffice/dossiers_controller_spec.rb

@@ -127,6 +127,13 @@ describe Backoffice::DossiersController, type: :controller do
         it { expect(subject.status).to eq(200) }
         it { expect(subject.body).to include("Votre avis est sollicité sur le dossier") }
         it { expect(subject.body).to_not include("Invitez une personne externe à consulter le dossier et à vous donner un avis sur celui ci.") }
+
+        describe 'the notifications are not marked as read' do
+          it do
+            expect(Notification).not_to receive(:where)
+            subject
+          end
+        end
       end
     end