public static Expression Create(TaxonomyManager taxonomyManager, params long[] taxonomyIds)
{
Expression expression = null;
// Get taxonomy with a single call to Ektron:
var taxonomyCriteria = new TaxonomyCriteria();
foreach (long taxonomyId in taxonomyIds)
{
taxonomyCriteria.AddFilter(TaxonomyProperty.Id, CriteriaFilterOperator.EqualTo, taxonomyId);
}
var taxonomyDataList = taxonomyManager.GetList(taxonomyCriteria);
// Build taxonomy expression for search criteria:
foreach (var taxonomyData in taxonomyDataList)
{
var rightExpression = SearchSolrProperty
.CreateExactStringProperty(SearchContentProperty.TaxonomyCategory)
.Contains(taxonomyData.Path); // "Contains" really means "StartsWith"
expression = expression == null ? rightExpression : expression.Or(rightExpression);
}
return(expression);
}
/// <summary>
/// Adds a set of <see cref="Ektron.Cms.Search.RefinementSpecification">refinements</see> to the search criteria.
/// Used for building facets from multivalue fields (i.e. taxonomy).
/// </summary>
/// <param name="criteria">The criteria to extend.</param>
/// <param name="propertyExpressions"></param>
/// <returns>The updated criteria.</returns>
public static T RefineMultiValueBy <T>(this T criteria, params StringPropertyExpression[] propertyExpressions)
where T : SearchCriteria
{
foreach (var propertyExpression in propertyExpressions)
{
var multiValuePropertyExpression = SearchSolrProperty.CreateExactStringProperty(propertyExpression);
criteria.EnableRefinement()
.Refinement.Add(new StringRefinementSpecification(multiValuePropertyExpression));
}
return(criteria);
}
