private bool IsDuplicatedBookmark(List <string> bookmarks, string repository)
        {
            var repositoryId = JObject.Parse(repository)["id"].ToString();

            foreach (var rep in bookmarks)
            {
                string id = JObject.Parse(rep)["id"].ToString();
                if (id == repositoryId)
                {
                    logService.AddDuplicateRepository(id);
                    return(true);
                }
            }
            return(false);
        }