private static AggregationResponse GetTermAggregation(TermAggregationRequest termAggregationRequest, FacetResults facets)
{
AggregationResponse result = null;
if (termAggregationRequest != null)
{
var azureFieldName = AzureSearchHelper.ToAzureFieldName(termAggregationRequest.FieldName);
if (!string.IsNullOrEmpty(azureFieldName))
{
var facetResults = facets.ContainsKey(azureFieldName) ? facets[azureFieldName] : null;
if (facetResults != null && facetResults.Any())
{
result = new AggregationResponse
{
Id = (termAggregationRequest.Id ?? termAggregationRequest.FieldName).ToLowerInvariant(),
Values = new List <AggregationResponseValue>(),
};
var values = termAggregationRequest.Values;
if (values != null)
{
foreach (var value in values)
{
var facetResult = facetResults.FirstOrDefault(r => r.Value.ToStringInvariant().EqualsInvariant(value));
AddAggregationValue(result, facetResult, value);
}
}
else
{
// Return all facet results if values are not defined
foreach (var facetResult in facetResults)
{
var aggregationValue = new AggregationResponseValue
{
Id = facetResult.Value.ToStringInvariant(),
Count = facetResult.Count ?? 0,
};
result.Values.Add(aggregationValue);
}
}
}
}
}
return(result);
}
private static string CreateGeoDistanceFilter(GeoDistanceFilter geoDistanceFilter, IList <Field> availableFields)
{
string result;
var availableField = availableFields.Get(geoDistanceFilter.FieldName);
if (availableField != null)
{
var distance = AzureSearchHelper.GetGeoDistanceExpression(availableField.Name, geoDistanceFilter.Location);
result = string.Format(CultureInfo.InvariantCulture, "{0} le {1}", distance, geoDistanceFilter.Distance);
}
else
{
result = AzureSearchHelper.NonExistentFieldFilter;
}
return(result);
}
private static string CreateRangeFilter(RangeFilter rangeFilter, IList <Field> availableFields)
{
string result;
var availableField = availableFields.Get(rangeFilter.FieldName);
if (availableField != null)
{
var expressions = rangeFilter.Values
.Select(v => GetRangeFilterValueExpression(v, availableField.Name))
.Where(e => !string.IsNullOrEmpty(e))
.ToArray();
result = AzureSearchHelper.JoinNonEmptyStrings(" or ", true, expressions);
}
else
{
result = AzureSearchHelper.NonExistentFieldFilter;
}
return(result);
}
private static string GetSortingField(SortingField sortingField, IList <Field> availableFields)
{
string result = null;
var availableField = availableFields.Get(sortingField.FieldName);
if (availableField != null)
{
var geoSorting = sortingField as GeoDistanceSortingField;
var fieldName = geoSorting == null
? availableField.Name
: AzureSearchHelper.GetGeoDistanceExpression(availableField.Name, geoSorting.Location);
result = string.Join(" ", fieldName, sortingField.IsDescending ? "desc" : "asc");
}
else if (sortingField.FieldName == "score")
{
result = string.Join(" ", "search.score()", sortingField.IsDescending ? "desc" : "asc");
}
return(result);
}
