public async Task <IActionResult> Get(int offset = 0, int limit = 10, string filter = null, string sort = null, string order = null)
{
var orderBy = string.IsNullOrEmpty(sort) ? "" : $"ORDER BY {sort} {order}";
var records = await _service.GetPagedAsync(offset, limit, filter, orderBy);
var response = new PagedListViewModel <GuestDTO>(records, records.FirstOrDefault()?.Total);
return(Ok(response));
}