/// <summary>
/// Parses the name of the type as it would exist in the object graph and returns the name.
/// </summary>
/// <param name="type">The concrete type to parse.</param>
/// <param name="kind">The kind of graph type being created.</param>
/// <returns>System.String.</returns>
public static string ParseName(Type type, TypeKind kind)
{
Validation.ThrowIfNull(type, nameof(type));
kind = GraphValidation.ResolveTypeKind(type, kind);
var typeNameDictionary = RetrieveTypeDictionary(type);
if (typeNameDictionary.TryGetValue(kind, out var typeName))
{
return(typeName);
}
type = GraphValidation.EliminateWrappersFromCoreType(type);
if (GraphQLProviders.ScalarProvider.IsScalar(type))
{
typeName = GraphQLProviders.ScalarProvider.RetrieveScalar(type).Name;
}
else if (type.IsEnum)
{
// enums always are their declared name (no changes needed for input types)
typeName = type.SingleAttributeOrDefault <GraphTypeAttribute>()?.Name;
}
else if (kind == TypeKind.INPUT_OBJECT)
{
var inputNameAttrib = type.SingleAttributeOrDefault <GraphTypeAttribute>();
if (inputNameAttrib != null && !string.IsNullOrWhiteSpace(inputNameAttrib.InputName))
{
if (type.IsGenericType)
{
throw new GraphTypeDeclarationException(
$"Generic Types such as '{type.FriendlyName()}', cannot use the '{nameof(GraphTypeAttribute)}'. " +
"Doing so would result in a single common name across multiple different instances of the type. " +
"Remove the attribute and try again, the runtime will generate an acceptable name automatically.");
}
typeName = inputNameAttrib.InputName;
}
else
{
typeName = GraphTypeNames.ParseName(type, TypeKind.OBJECT);
typeName = $"Input_{typeName}";
}
}
else
{
var graphTypeNameAttrib = type.SingleAttributeOrDefault <GraphTypeAttribute>();
if (graphTypeNameAttrib != null && !string.IsNullOrWhiteSpace(graphTypeNameAttrib.Name))
{
if (type.IsGenericType)
{
throw new GraphTypeDeclarationException(
$"Generic Types such as '{type.FriendlyName()}', cannot use the '{nameof(GraphTypeAttribute)}'. " +
"Doing so would result in a single common name across multiple different instances of the type. " +
"Remove the declared attribute and try again.");
}
typeName = graphTypeNameAttrib.Name;
}
}
typeName = typeName ?? type.FriendlyName("_");
typeName = typeName.Replace(Constants.Routing.CLASS_META_NAME, type.Name).Trim();
if (kind == TypeKind.DIRECTIVE && typeName.EndsWith(Constants.CommonSuffix.DIRECTIVE_SUFFIX))
{
typeName = typeName.ReplaceLastInstanceOfCaseInvariant(Constants.CommonSuffix.DIRECTIVE_SUFFIX, string.Empty);
}
AssignName(type, kind, typeName);
return(typeName);
}
