public async Task <IEnumerable <Attendee> > GetAttendeesAsync(Session session,
[ScopedService] ApplicationDbContext dbContext, AttendeeByIdDataLoader attendeeByIdDataLoader,
CancellationToken cancellationToken)
{
var speakerIds = await dbContext.Sessions
.Where(s => s.Id == session.Id)
.Include(s => s.SessionSpeakers)
.SelectMany(s => s.SessionSpeakers.Select(t => t.SpeakerId))
.ToArrayAsync(cancellationToken);
return(await attendeeByIdDataLoader.LoadAsync(speakerIds, cancellationToken));
}
public async Task <IEnumerable <Attendee> > GetAttendeesAsync(
[Parent] Session session,
[ScopedService] ApplicationDbContext dbContext,
AttendeeByIdDataLoader attendeeById,
CancellationToken cancellationToken)
{
int[] attendeeIds = await dbContext.Sessions
.Where(s => s.Id == session.Id)
.Include(s => s.SessionAttendees)
.SelectMany(s => s.SessionAttendees.Select(t => t.AttendeeId))
.ToArrayAsync(cancellationToken);
return(await attendeeById.LoadAsync(attendeeIds, cancellationToken));
}
public Task <Attendee> GetAttendeeAsync(
AttendeeByIdDataLoader attendeeById,
CancellationToken cancellationToken) =>
attendeeById.LoadAsync(AttendeeId, cancellationToken);
public async Task <IEnumerable <Attendee> > GetAttendeeByIdAsync(
[ID(nameof(Attendee))] int[] ids,
AttendeeByIdDataLoader attendeeById,
CancellationToken cancellationToken) =>
await attendeeById.LoadAsync(ids, cancellationToken);
public Task <Attendee> GetAttendeeByIdAsync(
[ID(nameof(Attendee))] int id,
AttendeeByIdDataLoader attendeeById,
CancellationToken cancellationToken) =>
attendeeById.LoadAsync(id, cancellationToken);