private static IEnumerable <FieldType> GetFieldsForFieldType(string remote, Introspection.TypeElement parentField)
{
FieldTypeResolver complexFieldTypeResolver = member =>
{
if (!(member is RemoteLiteralGraphTypeMemberInfo literalMember))
{
return(null);
}
if (!RemoteServerTypes.TryGetValue(remote, out var remoteTypes))
{
return(null);
}
var schemaType = remoteTypes.FirstOrDefault(t => t.Name == literalMember.TypeName);
var realType = literalMember.IsList
? typeof(ListGraphType <>).MakeGenericType(schemaType)
: schemaType;
return(new FieldType
{
Name = literalMember.Name,
Type = realType,
Resolver = LiteralGraphTypeHelpers.CreateFieldResolverFor(literalMember)
});
};
var fields = parentField.Fields;
if (fields == null)
{
return(new FieldType[] { });
}
return(fields
.Select(field =>
{
return new RemoteLiteralGraphTypeMemberInfo
{
DeclaringTypeName = parentField.Name,
Name = field.Name,
Type = IntrospectionTypeToLiteralGraphTypeMemberInfoType(field.Type),
TypeName = IntrospectionTypeToLiteralGraphTypeMemberInfoTypeName(field.Type),
IsList = field.Type.Kind == TypeElementTypeKind.List,
GetValueFn = ctx =>
{
return ((JToken)ctx.Source)[field.Name].Value <object>();
}
};
})
// TODO: handle unresolvable types (I'm looking at you UNION)
.Where(member => member.Type != LiteralGraphTypeMemberInfoType.Unknown)
.Select(member => LiteralGraphTypeHelpers.GetFieldTypeForMember(member, complexFieldTypeResolver))
.ToList());
}
private bool TryGetFieldTypeFromRemoteSchema(Introspection.Schema schema, string name, out Introspection.TypeElement field)
{
field = schema.Types.FirstOrDefault(t => t.Name == name);
return(field != null);
}
