public static FacetToken Create(FacetBase facet, Func <object, string> addQueryParameter)
{
var optionsParameterName = facet.Options != null && facet.Options != FacetOptions.Default ? addQueryParameter(facet.Options) : null;
string aggregateByField = null;
List <string> ranges = null;
var aggregationFacet = facet.AsFacet();
var rangeFacet = facet.AsRangeFacet();
if (aggregationFacet != null)
{
aggregateByField = aggregationFacet.FieldName;
}
if (rangeFacet != null)
{
ranges = rangeFacet.Ranges;
}
var token = new FacetToken(aggregateByField, facet.DisplayFieldName, ranges, optionsParameterName);
foreach (var aggregation in facet.Aggregations)
{
FacetAggregationToken aggregationToken;
switch (aggregation.Key)
{
case FacetAggregation.Max:
aggregationToken = FacetAggregationToken.Max(aggregation.Value);
break;
case FacetAggregation.Min:
aggregationToken = FacetAggregationToken.Min(aggregation.Value);
break;
case FacetAggregation.Average:
aggregationToken = FacetAggregationToken.Average(aggregation.Value);
break;
case FacetAggregation.Sum:
aggregationToken = FacetAggregationToken.Sum(aggregation.Value);
break;
default:
throw new NotSupportedException($"Unsupported aggregation method: {aggregation.Key}");
}
token._aggregations.Add(aggregationToken);
}
return(token);
}
private bool AreFacetsEqual(FacetBase left, FacetBase right)
{
if (left is Facet leftFacet)
{
var rightFacet = right.AsFacet();
return(leftFacet.FieldName == rightFacet.FieldName);
}
var leftRangeFacet = left.AsRangeFacet();
var rightRangeFacet = right.AsRangeFacet();
return(leftRangeFacet.Ranges.Count == rightRangeFacet.Ranges.Count &&
leftRangeFacet.Ranges.All(x => rightRangeFacet.Ranges.Contains(x)));
}