public async Task <IEnumerable <Dancer> > GetDancersAsync(
Badge badge,
[ScopedService] DatabaseContext dbContext,
DancerByIdDataLoader dancerById,
CancellationToken cancellationToken)
{
var dancerIds = await dbContext.Badges
.Where(b => b.Id == badge.Id)
.Include(b => b.Dancers)
.SelectMany(b => b.Dancers.Select(d => d.Id))
.ToArrayAsync(cancellationToken);
return(await dancerById.LoadAsync(dancerIds, cancellationToken));
}
public async Task <IEnumerable <Dancer> > GetDancersByIdAsync(
[ID(nameof(Dancer))] Guid[] ids,
DancerByIdDataLoader dancerByIdDataLoader,
CancellationToken cancellationToken) => await dancerByIdDataLoader.LoadAsync(ids, cancellationToken)
?? Array.Empty <Dancer>();
public Task <Dancer?> GetDancerByIdAsync(
[ID(nameof(Dancer))] Guid id,
DancerByIdDataLoader dancerByIdDataLoader,
CancellationToken cancellationToken) => dancerByIdDataLoader.LoadAsync(id, cancellationToken) !;