public async Task <IEnumerable <object> > CreateManyAsync <T>(List <dynamic> items)
            where T : class, new()
        {
            var repo     = new EntityFrameworkRepository <T>(dbContext);
            var newItems = JsonConvert.DeserializeObject <List <T> >(
                JsonConvert.SerializeObject(items));

            await repo.CreateManyAsync(newItems);

            return(newItems);
        }