public async Task <SpecificationIndexViewModel> SearchSpecifications(SpecificationFilterViewModel filterViewModel)
{
var filter = _mapper.Map <SpecificationFilterViewModel, SpecificationFilter>(filterViewModel);
var specifications = await _specificationService.SearchSpecificationsAsync(filter);
var totalItems = await _specificationService.CountSpecificationsAsync(filter);
var totalPages = int.Parse(Math.Ceiling(((decimal)totalItems / filter.pageSize)).ToString());
return(new SpecificationIndexViewModel()
{
Items = _mapper.Map <IEnumerable <Specification>, List <SpecificationIndexItemViewModel> >(specifications),
PaginationViewModel = new PaginationViewModel()
{
TotalItems = totalItems,
PageSize = filter.pageSize,
PageIndex = filter.pageIndex,
TotalPages = totalPages,
}
});
}