Emails are not sent to the author if no_self_notified

app/models/dmsf_mailer.rb

@@ -158,9 +158,19 @@ def workflow_notification(user, workflow, revision, subject_id, text1_id, text2_
     @notice = notice
     @author = revision.dmsf_workflow_assigned_by_user
     @author ||= User.anonymous
-    mail to: user,
-         subject:
-           "[#{@project.name} - #{l(:field_label_dmsf_workflow)}] #{@workflow.name} #{l(subject_id)} #{step_name}"
+    skip_no_self_notified = false
+    begin
+      # We need to switch off no_self_notified temporarily otherwise the email won't be sent
+      if (@author == user) && @author.pref.no_self_notified
+        @author.pref.no_self_notified = false
+        skip_no_self_notified = true
+      end
+      mail to: user,
+          subject:
+            "[#{@project.name} - #{l(:field_label_dmsf_workflow)}] #{@workflow.name} #{l(subject_id)} #{step_name}"
+    ensure
+      @author.pref.no_self_notified = true if skip_no_self_notified
+    end
   end
 
   # force_notification = true => approval workflow's notifications