public async Task <Paging <UserEntity> > GetPaging(string keyword, int pageIndex)
{
var query = await _userDomainService.GetAll();
if (!string.IsNullOrEmpty(keyword))
{
query = query.Where(x => x.Email.Contains(keyword));
}
query = query.OrderBy(x => x.Id);
return(await query.Paged(pageIndex));
}