public ISchema CreateSchema(Starwars starwars)
{
var schema = StarwarsSchema.Create();
var resolvers = StarwarsResolvers.BuildResolvers(starwars);
var executable = SchemaTools.MakeExecutableSchemaWithIntrospection(
schema,
resolvers);
return(executable);
}
public Human(Starwars starwars)
{
_starwars = starwars;
}
public static ResolverMap BuildResolvers(Starwars starwars)
{
async ValueTask <IResolveResult> ResolveCharacter(ResolverContext context)
{
var id = (string)context.Arguments["id"];
var character = await starwars.GetCharacter(id).ConfigureAwait(false);
return(As(context.Schema.GetNamedType <ObjectType>("Human"), character));
}
async ValueTask <IResolveResult> ResolveHuman(ResolverContext context)
{
var id = (string)context.Arguments["id"];
var human = await starwars.GetHuman(id).ConfigureAwait(false);
return(As(human));
}
async ValueTask <IResolveResult> ResolveFriends(ResolverContext context)
{
var character = (Starwars.Character)context.ObjectValue;
var friends = character.GetFriends();
await Task.Delay(0).ConfigureAwait(false);
return(As(friends.Select(c => As(context.Schema.GetNamedType <ObjectType>("Human"), c))));
}
async ValueTask <IResolveResult> ResolveCharacters(ResolverContext context)
{
await Task.Delay(0).ConfigureAwait(false);
return(As(starwars.Characters.Select(c => As(context.Schema.GetNamedType <ObjectType>("Human"), c))));
}
async ValueTask <IResolveResult> AddHuman(ResolverContext context)
{
var humanInput = (IDictionary <string, object>)context.Arguments["human"];
var human = starwars.AddHuman(humanInput["name"].ToString());
await Task.Delay(0).ConfigureAwait(false);
return(As(human));
}
var resolverMap = new ResolverMap
{
// Root query
["Query"] = new FieldResolverMap
{
{ "human", ResolveHuman },
{ "character", ResolveCharacter },
{ "characters", ResolveCharacters }
},
// Root mutation
["Mutation"] = new FieldResolverMap
{
{ "addHuman", AddHuman }
},
// ObjectType
["Human"] = new FieldResolverMap
{
{ "id", PropertyOf <Starwars.Human>(c => c.Id) },
{ "name", PropertyOf <Starwars.Human>(c => c.Name) },
{ "homePlanet", PropertyOf <Starwars.Human>(c => c.HomePlanet) },
{ "friends", ResolveFriends },
{ "appearsIn", PropertyOf <Starwars.Human>(h => h.AppearsIn) }
}
};
return(resolverMap);
}