private IQueryable <Manufacturer> GetFilteredQuery(GetManufacturerInput input)
        {
            var query = QueryableExtensions.WhereIf(_manufacturerRepository.GetAll(),
                                                    !input.Filter.IsNullOrWhiteSpace(), u =>
                                                    u.Name.Contains(input.Filter) ||
                                                    u.Code.Contains(input.Filter));

            return(query);
        }
        public async Task <PagedResultDto <ManufacturerListDto> > GetManufacturer(GetManufacturerInput input)
        {
            var query     = GetFilteredQuery(input);
            var userCount = await query.CountAsync();

            var manufacturers = await query
                                .OrderBy(input.Sorting)
                                .PageBy(input)
                                .ToListAsync();

            var manufacturersListDto = ObjectMapper.Map <List <ManufacturerListDto> >(manufacturers);

            return(new PagedResultDto <ManufacturerListDto>(
                       userCount,
                       manufacturersListDto
                       ));
        }