public async Task <PublicationModel> GetPublication(MagazineModel magazineModel, [ScopedService] LibraryDbContext context, PublicationByIdDataLoader dataLoader, CancellationToken cancellationToken)
{
int publicationId = context.Publications
.Where(x => x.MagazineId == magazineModel.Id)
.Select(x => x.Id)
.FirstOrDefault();
return(await dataLoader.LoadAsync(publicationId, cancellationToken));
}
public async Task <IReadOnlyList <PublicationModel> > GetPublications(PublisherModel publisherModel, PublicationByIdDataLoader dataLoader, [ScopedService] LibraryDbContext context, CancellationToken cancellationToken)
{
int[] publicationIds = await context.Publications
.Where(x => x.PublisherId == publisherModel.Id)
.Select(x => x.Id)
.ToArrayAsync();
return(await dataLoader.LoadAsync(publicationIds, cancellationToken));
}