public static ITypeSearch <T> Filter <T>(this ITypeSearch <T> query, IFilterStatementRequest request) where T : IContent
{
if (request?.Filters?.Items == null)
{
return(query);
}
var filterBuilder = ClientExtensions.BuildFilter <T>(SearchClient.Instance);
filterBuilder = request.Filters.Items.Aggregate(filterBuilder, (builder, item) =>
{
if (item.Connector == FilterStatementConnector.And)
{
return(builder.And(GetExpression <T>(item)));
}
else
{
var expression = GetExpression <T>(item);
if (expression == null)
{
expression = GetExpression <T>(item);
}
return(expression == null ? builder : builder.Or(expression));
}
});
if (filterBuilder.HasFilter)
{
query = TypeSearchExtensions.Filter(query, filterBuilder);
}
return(query);
}
public static ITypeSearch <T> BuildFacetFor <T>(this ITypeSearch <T> query, FacetSpecification facets) where T : IContent
{
if (facets == null)
{
return(query);
}
foreach (var facet in facets.Items)
{
switch (facet.OperationValue)
{
case FacetOperation.TermsFacetFor:
{
var lambaExpression = GetLamdaExpression <T>(facet);
query = TypeSearchExtensions.TermsFacetFor(query, lambaExpression);
break;
}
case FacetOperation.RangeFacetFor:
{
if (facet.PropertyType.Name == "DateTime")
{
var lambaExpression = GetLamdaExpression <T, DateTime>(facet);
query = TypeSearchExtensions.RangeFacetFor(query, lambaExpression);
}
else
{
var lambaExpression = GetLamdaExpression <T, object>(facet);
query = TypeSearchExtensions.RangeFacetFor(query, lambaExpression);
}
break;
}
case FacetOperation.HistogramFacetFor:
{
if (facet.PropertyType.Name == "DateTime")
{
var lambaExpression = GetLamdaExpression <T, DateTime>(facet);
query = TypeSearchExtensions.HistogramFacetFor(query, lambaExpression, (DateInterval)facet.Interval);
}
else
{
var lambaExpression = GetLamdaExpression <T, object>(facet);
query = TypeSearchExtensions.HistogramFacetFor(query, lambaExpression, (int)facet.Interval);
}
break;
}
default: break;
}
}
return(query);
}
private static bool OrderBy <T>(ref ITypeSearch <T> query, object item) where T : ProductContent
{
var searchSort = item as SortItem;
if (searchSort == null)
{
return(false);
}
var expression = PropertyInfoHelper.GetLamdaExpression <T>(searchSort.Field);
query = (searchSort.Ascending
? TypeSearchExtensions.OrderBy(query, expression)
: TypeSearchExtensions.OrderByDescending(query, expression));
return(true);
}
