private static ArgumentValue CreateArgumentValue(
FieldSelection fieldSelection,
InputField argument,
Dictionary <string, IValueNode> argumentValues,
IVariableCollection variables,
Path path)
{
object argumentValue = null;
try
{
argumentValue = CoerceArgumentValue(
argument, variables, argumentValues);
}
catch (ScalarSerializationException ex)
{
throw new QueryException(QueryError.CreateArgumentError(
ex.Message,
path,
fieldSelection.Nodes.First(),
argument.Name));
}
if (argument.Type is NonNullType && argumentValue == null)
{
throw new QueryException(QueryError.CreateArgumentError(
$"The argument type of '{argument.Name}' is a " +
"non-null type.",
path,
fieldSelection.Nodes.First(),
argument.Name));
}
return(new ArgumentValue(argument.Type, argumentValue));
}
public static Dictionary <string, ArgumentValue> CoerceArgumentValues(
this FieldSelection fieldSelection,
IVariableCollection variables,
Path path)
{
Dictionary <string, ArgumentValue> coercedArgumentValues =
new Dictionary <string, ArgumentValue>();
Dictionary <string, IValueNode> argumentValues =
fieldSelection.Selection.Arguments
.Where(t => t.Value != null)
.ToDictionary(t => t.Name.Value, t => t.Value);
foreach (InputField argument in fieldSelection.Field.Arguments)
{
coercedArgumentValues[argument.Name] = CreateArgumentValue(
argument, argumentValues, variables,
message => QueryError.CreateArgumentError(
message,
path,
fieldSelection.Nodes.First(),
argument.Name));
}
return(coercedArgumentValues);
}
