/// <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>
/// Parse a SearchResult and its model.
/// </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 result.</returns>
public override SearchResult <T> Read(
ref Utf8JsonReader reader,
Type typeToConvert,
JsonSerializerOptions options)
{
Debug.Assert(options != null);
SearchResult <T> result = new SearchResult <T>();
// Clone the reader so we can get the search text property without
// advancing the reader over any properties needed to deserialize
// the user's model type.
Utf8JsonReader clone = reader;
// Keep track of the properties we've found so we can stop reading
// through the cloned object
bool parsedScore = false;
bool parsedHighlights = false;
clone.Expects(JsonTokenType.StartObject);
while (
(!parsedScore || !parsedHighlights) &&
clone.Read() &&
clone.TokenType != JsonTokenType.EndObject)
{
string name = clone.ExpectsPropertyName();
if (name == Constants.SearchScoreKey)
{
parsedScore = true;
result.Score = clone.ExpectsNullableDouble();
}
else if (name == Constants.SearchHighlightsKey)
{
parsedHighlights = true;
ReadHighlights(ref clone, result);
}
else
{
// Skip the rest of the next property's value
clone.Skip();
}
}
// Deserialize the model
T document = JsonSerializer.Deserialize <T>(ref reader, options);
result.Document = document;
return(result);
}
/// <summary>
/// Parse the SuggestResults and its suggestions.
/// </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 suggestions.</returns>
public override SuggestResults <T> Read(
ref Utf8JsonReader reader,
Type typeToConvert,
JsonSerializerOptions options)
{
Debug.Assert(typeToConvert != null);
Debug.Assert(typeToConvert.IsAssignableFrom(typeof(SuggestResults <T>)));
Debug.Assert(options != null);
SuggestResults <T> suggestions = new SuggestResults <T>();
reader.Expects(JsonTokenType.StartObject);
while (reader.Read() && reader.TokenType != JsonTokenType.EndObject)
{
switch (reader.ExpectsPropertyName())
{
case Constants.SearchCoverageKey:
suggestions.Coverage = reader.ExpectsNullableDouble();
break;
case Constants.ValueKey:
reader.Expects(JsonTokenType.StartArray);
while (reader.Read() && reader.TokenType != JsonTokenType.EndArray)
{
SearchSuggestion <T> suggestion =
_suggestionConverter.Read(ref reader, _suggestionType, options);
suggestions.Results.Add(suggestion);
}
break;
default:
// Ignore other properties (including OData context, etc.)
reader.Skip();
break;
}
}
return(suggestions);
}
