private static ISort GetSortingField(SortingField field)
{
ISort result;
var geoSorting = field as GeoDistanceSortingField;
if (geoSorting != null)
{
result = new GeoDistanceSort
{
Field = ElasticSearchHelper.ToElasticFieldName(field.FieldName),
Points = new[] { geoSorting.Location.ToGeoLocation() }
};
}
else
{
result = new SortField
{
Field = ElasticSearchHelper.ToElasticFieldName(field.FieldName),
Order = field.IsDescending ? SortOrder.Descending : SortOrder.Ascending,
Missing = "_last",
UnmappedType = FieldType.Long,
};
}
return(result);
}
private static AggregationDictionary GetAggregations(SearchRequest request, Properties <IProperties> availableFields)
{
var result = new Dictionary <string, AggregationContainer>();
if (request?.Aggregations != null)
{
foreach (var aggregation in request.Aggregations)
{
var aggregationId = aggregation.Id ?? aggregation.FieldName;
var fieldName = ElasticSearchHelper.ToElasticFieldName(aggregation.FieldName);
var filter = GetFilterQueryRecursive(aggregation.Filter, availableFields);
var termAggregationRequest = aggregation as TermAggregationRequest;
var rangeAggregationRequest = aggregation as RangeAggregationRequest;
if (termAggregationRequest != null)
{
AddTermAggregationRequest(result, aggregationId, fieldName, filter, termAggregationRequest);
}
else if (rangeAggregationRequest != null)
{
AddRangeAggregationRequest(result, aggregationId, fieldName, rangeAggregationRequest.Values);
}
}
}
return(result.Any() ? new AggregationDictionary(result) : null);
}
private static QueryContainer CreateGeoDistanceFilter(GeoDistanceFilter geoDistanceFilter)
{
return(new GeoDistanceQuery
{
Field = ElasticSearchHelper.ToElasticFieldName(geoDistanceFilter.FieldName),
Location = geoDistanceFilter.Location.ToGeoLocation(),
Distance = new Distance(geoDistanceFilter.Distance, DistanceUnit.Kilometers),
});
}
protected virtual SearchDocument ConvertToProviderDocument(IndexDocument document, Properties <IProperties> properties, string documentType)
{
var result = new SearchDocument {
Id = document.Id
};
foreach (var field in document.Fields.OrderBy(f => f.Name))
{
var fieldName = ElasticSearchHelper.ToElasticFieldName(field.Name);
if (result.ContainsKey(fieldName))
{
var newValues = new List <object>();
var currentValue = result[fieldName];
var currentValues = currentValue as object[];
if (currentValues != null)
{
newValues.AddRange(currentValues);
}
else
{
newValues.Add(currentValue);
}
newValues.AddRange(field.Values);
result[fieldName] = newValues.ToArray();
}
else
{
var dictionary = properties as IDictionary <PropertyName, IProperty>;
if (dictionary != null && !dictionary.ContainsKey(fieldName))
{
// Create new property mapping
var providerField = CreateProviderField(field, documentType);
ConfigureProperty(providerField, field, documentType);
properties.Add(fieldName, providerField);
}
var isCollection = field.IsCollection || field.Values.Count > 1;
var point = field.Value as GeoPoint;
var value = point != null
? (isCollection ? field.Values.Select(v => ((GeoPoint)v).ToElasticValue()).ToArray() : point.ToElasticValue())
: (isCollection ? field.Values : field.Value);
result.Add(fieldName, value);
}
}
return(result);
}
private static QueryContainer CreateRangeFilter(RangeFilter rangeFilter)
{
QueryContainer result = null;
var fieldName = ElasticSearchHelper.ToElasticFieldName(rangeFilter.FieldName);
foreach (var value in rangeFilter.Values)
{
result |= CreateTermRangeQuery(fieldName, value);
}
return(result);
}
private static QueryContainer CreateTermFilter(TermFilter termFilter, Properties <IProperties> availableFields)
{
var termValues = termFilter.Values;
var field = availableFields.Where(kvp => kvp.Key.Name.EqualsInvariant(termFilter.FieldName)).Select(kvp => kvp.Value).FirstOrDefault();
if (field?.Type?.Name?.EqualsInvariant("boolean") == true)
{
termValues = termValues.Select(v => v.ToLowerInvariant()).ToArray();
}
return(new TermsQuery
{
Field = ElasticSearchHelper.ToElasticFieldName(termFilter.FieldName),
Terms = termValues
});
}
