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);
}