public IReadOnlyDictionary <NameString, ArgumentValue> CoerceArguments(
IVariableValueCollection variables,
ITypeConversion converter)
{
if (_hasArgumentErrors)
{
throw new QueryException(_args.Values.Select(t => t.Error));
}
if (_vars == null)
{
return(_args);
}
var args = _args.ToDictionary(t => t.Key, t => t.Value);
foreach (KeyValuePair <NameString, ArgumentVariableValue> var in _vars)
{
IError error = null;
if (variables.TryGetVariable(
var.Value.VariableName,
out object value))
{
value = var.Value.CoerceValue(value);
}
else
{
value = var.Value.DefaultValue;
if (var.Value.Type.NamedType().IsLeafType() &&
value is IValueNode literal)
{
value = var.Value.Type.ParseLiteral(literal);
}
if (var.Value.Type.IsNonNullType() &&
(value is null || value is NullValueNode))
{
error = ErrorBuilder.New()
.SetMessage(string.Format(
CultureInfo.InvariantCulture,
TypeResources.ArgumentValueBuilder_NonNull,
var.Key,
TypeVisualizer.Visualize(var.Value.Type)))
.AddLocation(Selection)
.SetExtension(_argumentProperty, Path.New(var.Key))
.SetPath(_path)
.Build();
}
}
if (error is null)
{
ValueKind kind = ValueKind.Unknown;
if (value is IValueNode literal)
{
kind = literal.GetValueKind();
args[var.Key] = new ArgumentValue(var.Value.Argument, kind, literal);
}
else
{
Scalars.TryGetKind(value, out kind);
args[var.Key] = new ArgumentValue(var.Value.Argument, kind, value);
}
}
else
{
throw new QueryException(error);
}
}
return(args);
}