private async ValueTask <IEnumerable <Models.Note> > GetNotesByAuthor(Author.Types.Id authorId, ServerCallContext ctx)
{
if (authorId is null)
{
throw new ArgumentNullRpcException(nameof(authorId));
}
var author = await _authors.GetById((int)authorId.Value, ctx.CancellationToken);
if (!author.HasValue)
{
throw new InvalidArgumentRpcException($"The author with id {authorId.Value} could not be found");
}
return(await _notes.GetByAuthor(author.Value, ctx.CancellationToken));
}
private async ValueTask <IEnumerable <Models.Author> > GetAuthorById(Author.Types.Id id, ServerCallContext ctx)
{
var result = await _authors.GetById((int)id.Value, ctx.CancellationToken);
return(result.ToEnumerable());
}