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 <StarSystem> > GetStarSystemNode(int id)
{
var starSystem = await _starSystemRepository.GetStarSystemAsync(id);
if (starSystem == null)
{
return(NotFound());
}
return(starSystem);
}
public StarType(IPlanetRepository planetsRepository, IStarSystemRepository starSystemRepository)
{
Field(s => s.StarId, nullable: false, type: typeof(IdGraphType));
Field(s => s.StarName, nullable: false).Description("Primary designation of this star");
Field(s => s.SpectralType, nullable: false);
Field(s => s.BvColorIndex, type: typeof(FloatGraphType));
Field(s => s.AbsoluteMagnitude, type: typeof(FloatGraphType));
Field(s => s.Mass, type: typeof(FloatGraphType));
Field(s => s.Radius, type: typeof(FloatGraphType));
Field(s => s.Luminosity, type: typeof(FloatGraphType));
Field(s => s.Temperature, type: typeof(FloatGraphType));
Field(s => s.Age, type: typeof(FloatGraphType));
Field(s => s.Metallicity, type: typeof(FloatGraphType));
Field(s => s.DiscoveryYear, nullable: true, type: typeof(IntGraphType));
Field <ListGraphType <PlanetType>, IEnumerable <Planet> >()
.Name("planets")
.ResolveAsync(context => planetsRepository.GetPlanetsByStarIdAsync(context.Source.StarId));
Field <StarSystemType, StarSystem>()
.Name("starSystem")
.ResolveAsync(context => starSystemRepository.GetStarSystemAsync(context.Source.StarSystemId) !);
}