private static BlockMetadata ReadBlockMetadata(ref Utf8JsonStreamReader reader)
{
ushort id = 0;
IList <DocumentMetadata> docs = Array.Empty <DocumentMetadata>();
JsonReaderHelper.ReadToken(ref reader, JsonTokenType.StartObject);
while (reader.Read() && reader.TokenType != JsonTokenType.EndObject)
{
var propertyName = reader.GetString();
switch (propertyName)
{
case BlockIdPropertyName:
id = ParseId(JsonReaderHelper.ReadString(ref reader).AsSpan());
break;
case DocumentMetadataListPropertyName:
docs = ReadDocumentsMetadata(ref reader);
break;
default:
throw new InvalidDataException($"Unexpected property at position {reader.Position}: {propertyName}");
}
}
return(new BlockMetadata(id, docs));
}
private static DocumentMetadata ReadDocumentMetadata(ref Utf8JsonStreamReader reader)
{
var id = DocumentId.Zero;
var title = string.Empty;
while (reader.Read() && reader.TokenType == JsonTokenType.PropertyName)
{
var propertyName = reader.GetString();
switch (propertyName)
{
case DocumentIdPropertyName:
id = DocumentId.Parse(JsonReaderHelper.ReadString(ref reader).AsSpan());
break;
case TitlePropertyName:
title = JsonReaderHelper.ReadString(ref reader);
break;
default:
throw new InvalidDataException($"Unexpected property at position {reader.Position}: {propertyName}");
}
}
return(new DocumentMetadata(id, title));
}
