public ProductFacetsViewModel GetFacets(Rendering currentRendering, int?pageNumber, string facetValues, string sortField, int?pageSize, CommerceConstants.SortDirection?sortDirection)
{
var currentCategory = _catalogManager.GetCurrentCategoryByUrl();
var productSearchOptions = new CommerceSearchOptions(pageSize.GetValueOrDefault(currentCategory.ItemsPerPage), pageNumber.GetValueOrDefault(0));
SetSortParameters(currentCategory, ref sortField, ref sortDirection);
UpdateOptionsWithFacets(currentCategory.RequiredFacets, facetValues, productSearchOptions);
UpdateOptionsWithSorting(sortField, sortDirection, productSearchOptions);
var productFacetsviewModel = GetProductFacetsViewModel(productSearchOptions, currentCategory.InnerItem, currentRendering);
return(productFacetsviewModel);
}