private static IDataTypeInfo GetDataTypeInfo(Type propertyType, IContractResolver contractResolver)
{
bool IsNullableType(Type type) =>
type.IsConstructedGenericType && type.GetGenericTypeDefinition() == typeof(Nullable <>);
if (PrimitiveTypeMap.TryGetValue(propertyType, out DataType dataType))
{
return(DataTypeInfo.Simple(dataType));
}
else if (IsNullableType(propertyType))
{
return(GetDataTypeInfo(propertyType.GenericTypeArguments[0], contractResolver));
}
else if (TryGetEnumerableElementType(propertyType, out Type elementType))
{
IDataTypeInfo elementTypeInfo = GetDataTypeInfo(elementType, contractResolver);
return(DataTypeInfo.AsCollection(elementTypeInfo));
}
else if (contractResolver.ResolveContract(propertyType) is JsonObjectContract jsonContract)
{
return(DataTypeInfo.Complex(DataType.Complex, propertyType, jsonContract));
}
else
{
return(DataTypeInfo.Unknown);
}
}