public IActionResult Index()
{
var baseUrl = string.Empty;
var entity = entityDefinitionFactory.CreateForType(typeof(TEntity));
var def = new
{
@id = $"{baseUrl}/schema/{entity.NameKey}",
};
return(Ok(def));
}
public override void Write(Utf8JsonWriter writer, TEntity value, JsonSerializerOptions options)
{
// TODO: Configurable base URL or none at all
var baseUrl = string.Empty; // $"http{(context.HttpContext.Request.IsHttps ? "s" : "")}://{context.HttpContext.Request.Host}";
var type = value.GetType();
var definition = entityDefinitionFactory.CreateForType(type);
// TODO: Consider switching to a mutable JsonDocument
var ldContext = new JsonObject();
var responseBody = new JsonObject();
// TODO: Consider this being already Lower on the definition
var nameKey = definition.NameKey.ToLower();
var typeJsonMetadata = definition.Using <JsonLdTypeFeature>();
var vocab = $"{baseUrl}/schema/{nameKey}#";
// TODO: Move this fallback logic to defintion generation
if (!string.IsNullOrWhiteSpace(typeJsonMetadata.TermsDefaultVocab))
{
vocab = typeJsonMetadata.TermsDefaultVocab;
}
var typeIri = $"{baseUrl}/schema/{nameKey}";
// TODO: Move this fallback logic to defintion generation
if (!string.IsNullOrWhiteSpace(typeJsonMetadata.TypeIri))
{
typeIri = typeJsonMetadata.TypeIri;
}
responseBody["@context"] = ldContext;
writer.WriteStartObject();
writer.WriteStartObject("@context");
writer.WriteNumber("@version", 1.1);
writer.WriteString("@vocab", vocab);
foreach (var field in definition.Fields)
{
var fieldJsonMetadata = field.Using <JsonLdFieldFeature>();
var propertyToken = options.PropertyNamingPolicy?.ConvertName(field.Property.Name) ?? field.Property.Name;
if (fieldJsonMetadata.ExcludeFromLinkedData)
{
writer.WriteString(propertyToken, string.Empty);
}
else if (!string.IsNullOrWhiteSpace(fieldJsonMetadata.Iri))
{
ldContext[propertyToken] = fieldJsonMetadata.Iri;
writer.WriteString(propertyToken, fieldJsonMetadata.Iri);
}
}
writer.WriteEndObject(); // End of @context
writer.WriteString("@type", typeIri);
writer.WriteString("@id", $"{baseUrl}/api/{nameKey}/{value.Id}"); // TODO: Should be set of defintion
foreach (var field in definition.Fields)
{
var fieldJsonMetadata = field.Using <JsonLdFieldFeature>();
var propertyToken = options.PropertyNamingPolicy?.ConvertName(field.Property.Name) ?? field.Property.Name;
writer.WritePropertyName(propertyToken);
JsonSerializer.Serialize(writer, field.Property.GetValue(value), options);
}
writer.WriteEndObject(); // End of main object
}
public static EntityDefinition CreateFor <TEntity>(this IEntityDefinitionFactory factory)
{
return(factory.CreateForType(typeof(TEntity)));
}