private IEnumerable <FacetGroupOption> BuildFacetGroupList(IContent currentContent, FilterOptionViewModel filterOptions)
{
var query = BuildBaseQuery(currentContent, filterOptions);
query = query.Take(0);
query = query.TermsFacetFor(p => p.ParentName, r => r.Size = MaxNumberOfFacets);
query = query.TermsFacetFor(p => p.AvailableColorList, r => r.Size = MaxNumberOfFacets);
query = query.TermsFacetFor(p => p.AvailableSizeList, r => r.Size = MaxNumberOfFacets);
query = query.TermsFacetFor(p => p.Brand, r => r.Size = MaxNumberOfFacets);
query = query.TermsFacetFor(p => p.TopCategory, r => r.Size = MaxNumberOfFacets);
IContentResult <BaseProduct> results = query.GetContentResult();
var facetGroups = new List <FacetGroupOption>();
AddFacet(facetGroups, results.TermsFacetFor(p => p.ParentName),
filterOptions.FacetGroups.FirstOrDefault(fg => fg.GroupFieldName.Equals(Constants.Product.Categories)),
Constants.Product.Categories);
AddFacet(facetGroups, results.TermsFacetFor(p => p.AvailableColorList),
filterOptions.FacetGroups.FirstOrDefault(fg => fg.GroupFieldName.Equals(Constants.Product.AvailableColors)),
Constants.Product.AvailableColors);
AddFacet(facetGroups, results.TermsFacetFor(p => p.AvailableSizeList),
filterOptions.FacetGroups.FirstOrDefault(fg => fg.GroupFieldName.Equals(Constants.Product.AvailableSizes)),
Constants.Product.AvailableSizes);
AddFacet(facetGroups, results.TermsFacetFor(p => p.Brand),
filterOptions.FacetGroups.FirstOrDefault(fg => fg.GroupFieldName.Equals(Constants.Product.Brand)),
Constants.Product.Brand);
AddFacet(facetGroups, results.TermsFacetFor(p => p.TopCategory),
filterOptions.FacetGroups.FirstOrDefault(fg => fg.GroupFieldName.Equals(Constants.Product.TopCategory)),
Constants.Product.TopCategory);
return(facetGroups);
}