/// <inheritdoc />
public override void WriteJson(JsonWriter writer, IMetadataSchemaProvider?value, JsonSerializer serializer)
{
// Serializer copy without this converter to prevent infinite loop.
var serializerCopy = serializer.CopyWithoutConverter(this);
if (!Options.UseSchemasRoot)
{
// Serialize standard way
serializerCopy.Serialize(writer, value);
return;
}
// Get ISchemaRepository from current writer ot create new.
ISchemaRepository schemaRepository = /*value?.Schemas ?? */ writer.AsMetadataProvider().GetMetadata <ISchemaRepository>() ?? new SchemaRepository();
// Temp writer
JTokenWriter jTokenWriter = new JTokenWriter();
// Attaches ISchemaRepository to reader
jTokenWriter.AsMetadataProvider().SetMetadata((ISchemaRepository)schemaRepository);
// Stage:1 Write to jTokenWriter
serializerCopy.Serialize(jTokenWriter, value);
JToken?jToken = jTokenWriter.Token;
if (jToken != null)
{
JObject defsContent = new JObject();
JToken defsProperty = new JProperty(Options.SchemasRootName, defsContent);
foreach (KeyValuePair <string, ISchema> valuePair in schemaRepository.GetSchemas())
{
object schema = new CompactSchemaGenerator(serializer, Options).GenerateSchema(valuePair.Value);
JProperty schemaProperty = new JProperty(valuePair.Key, new JObject(new JProperty("$metadata.schema.compact", JArray.FromObject(schema))));
defsContent.Add(schemaProperty);
}
// Stage2: Add "$defs" section to json.
jToken.Last?.AddAfterSelf(defsProperty);
// Stage2: Write final json
jToken.WriteTo(writer);
}
}