/// <summary>
/// Parse the SearchResults and its search results.
/// </summary>
/// <param name="reader">The JSON reader.</param>
/// <param name="typeToConvert">The type to parse into.</param>
/// <param name="options">Serialization options.</param>
/// <returns>The deserialized search results.</returns>
public override SearchResults <T> Read(
ref Utf8JsonReader reader,
Type typeToConvert,
JsonSerializerOptions options)
{
Debug.Assert(typeToConvert != null);
Debug.Assert(typeToConvert.IsAssignableFrom(typeof(SearchResults <T>)));
Debug.Assert(options != null);
SearchResults <T> results = new SearchResults <T>();
reader.Expects(JsonTokenType.StartObject);
while (reader.Read() && reader.TokenType != JsonTokenType.EndObject)
{
switch (reader.ExpectsPropertyName())
{
case Constants.ODataCountKey:
results.TotalCount = reader.ExpectsNullableLong();
break;
case Constants.SearchCoverageKey:
results.Coverage = reader.ExpectsNullableDouble();
break;
case Constants.SearchFacetsKey:
ReadFacets(ref reader, results, options);
break;
case Constants.ODataNextLinkKey:
results.NextUri = new Uri(reader.ExpectsString());
break;
case Constants.SearchNextPageKey:
results.NextOptions = ReadNextPageOptions(ref reader);
break;
case Constants.ValueKey:
reader.Expects(JsonTokenType.StartArray);
while (reader.Read() && reader.TokenType != JsonTokenType.EndArray)
{
SearchResult <T> result = _resultConverter.Read(ref reader, _resultType, options);
results.Values.Add(result);
}
break;
default:
// Ignore other properties (including OData context, etc.)
reader.Skip();
break;
}
}
return(results);
}
/// <summary>
/// Read the facet result value.
/// </summary>
/// <param name="reader">JSON reader.</param>
/// <param name="options">Serializer options.</param>
/// <returns>The facet result.</returns>
private static FacetResult ReadFacetResult(
ref Utf8JsonReader reader,
JsonSerializerOptions options)
{
FacetResult facet = new FacetResult();
reader.Expects(JsonTokenType.StartObject);
while (reader.Read() && reader.TokenType != JsonTokenType.EndObject)
{
// Get the name of the facet property
string facetName = reader.ExpectsPropertyName();
if (facetName == Constants.CountKey)
{
facet.Count = reader.ExpectsNullableLong();
}
else
{
object value = reader.ReadObject(options);
facet[facetName] = value;
}
}
return(facet);
}