private void SetArguments(GraphContext context, Operation operation)
{
foreach (var variable in operation.Variables)
{
var name = variable.Name;
var graphTypeName = "";
var namedType = variable.Type as NamedType;
if (namedType != null)
{
graphTypeName = namedType.Name;
}
else
{
var notNullType = variable.Type as NonNullType;
graphTypeName = $"{((NamedType)notNullType.Type).Name}!";
}
if (string.IsNullOrWhiteSpace(graphTypeName))
{
throw new GraphException($"Does not specify the GraphType for the argument '{variable.Name}'");
}
if (!_graphTypeProvider.TryGetGraphType(graphTypeName, out var graphType))
{
throw new GraphException($"Cannot resolve the GraphQL type '{graphTypeName}'");
}
var defaultValue = variable.DefaultValue == null
? null
: variable.DefaultValue.Value;
context.AddArgument(new NamedGraphType(name, graphType, defaultValue));
}
}
