public StarSystemsQuery(IStarSystemRepository starSystemRepository)
{
Field <ListGraphType <StarSystemType>, IEnumerable <StarSystem> >()
.Name("starSystems")
.Argument <IntGraphType>("WithinLightYearsOfEarth")
.Argument <BooleanGraphType>("predictPlanetRadii", "return an estimated planetary radius if an observed radius does not exist")
.ResolveAsync(async context => {
var starSystems = await starSystemRepository.GetStarSystemsAsync();
var maxDistance = context.GetArgument <int?>("WithinLightYearsOfEarth");
if (maxDistance != null)
{
starSystems = starSystems.Where(ss => ss.Distance < maxDistance);
}
return(starSystems);
});
Field <StarSystemType, StarSystem>()
.Name("starSystem")
.Argument <NonNullGraphType <IdGraphType> >("id", "id of the star system")
.Argument <BooleanGraphType>("predictPlanetRadii", "return an estimated planetary radius if an observed radius does not exist")
.ResolveAsync(async context => {
var id = context.GetArgument <int>("id");
return(await starSystemRepository.GetStarSystemAsync(id) !);
});
}
public async Task <ActionResult <IEnumerable <StarSystem> > > GetStarSystems()
{
return((await _starSystemRepository.GetStarSystemsAsync()).ToList());
}