public UserServiceSpecification(ServiceSpecParams serviceSpecParams) : base(x =>
                                                                             (string.IsNullOrEmpty(serviceSpecParams.Search) || x.AppUser.FirstName.ToLower().Contains(serviceSpecParams.Search))
                                                                             )
 {
     AddInclude(x => x.AppUser);
     AddInclude(x => x.Service);
     AddOrderBy(x => x.CreateDate);
     ApplyPaging(serviceSpecParams.PageSize * (serviceSpecParams.PageIndex - 1), serviceSpecParams.PageSize);
 }
 public UserServiceSpecificationCount(ServiceSpecParams serviceSpecParams) : base(x =>
                                                                                  (string.IsNullOrEmpty(serviceSpecParams.Search) || x.AppUser.FirstName.ToLower().Contains(serviceSpecParams.Search))
                                                                                  )
 {
 }