public CarModelQuery(CarModelRepository modelRepository)
{
Field <ListGraphType <CarModelType> >("models",
resolve: context =>
{
return(modelRepository.FindAllByPredicate(x => x.Versions));
});
Field <CarModelType>("model",
arguments: new QueryArguments(new List <QueryArgument>
{
new QueryArgument <IdGraphType>
{
Name = "id"
}
}),
resolve: context =>
{
var id = context.GetArgument <int>("id");
if (id <= 0)
{
context.Errors.Add(new ExecutionError("Model Id is invalid or missing"));
return(null);
}
return(modelRepository.FindBy(x => x.Id == id, x => x.Versions));
});
}