public BookType(BookReviewsRepository bookReviewsRepository)
{
Field(t => t.ISBN);
Field(t => t.Title);
Field(t => t.Authors);
Field(t => t.PublishDate);
Field <GenreEnumType>("genre", "Genre of book");
Field <ListGraphType <BookReviewType> >(
"reviews",
resolve: context => bookReviewsRepository.GetBookReviews(context.Source.ISBN)
);
}
public BooksMutation(BookReviewsRepository bookReviewsRepository)
{
FieldAsync <BookReviewType>(
"createReview",
arguments: new QueryArguments(new QueryArgument <NonNullGraphType <BookReviewInputType> > {
Name = "review"
}),
resolve: async context =>
{
var review = context.GetArgument <BookReview>("review");
// try or catch exception and add it to GraphQL errors
return(await context.TryAsyncResolve(
async c => await bookReviewsRepository.CreateBookReview(review)));
}
);
}
public BookType(
BookReviewsRepository bookReviewsRepository)
//IDataLoaderContextAccessor dataLoaderContextAccessor)
{
Field(t => t.ISBN).Description("Unique identifier for a book");
Field(t => t.Title);
Field(t => t.Authors);
Field(t => t.PublishDate);
Field <GenreEnumType>("genre", "Genre of book");
Field <ListGraphType <BookReviewType> >(
"reviews",
resolve: context => bookReviewsRepository.GetBookReviews(context.Source.ISBN));
//resolve: context =>
//{
// var loader = dataLoaderContextAccessor.Context.GetOrAddCollectionBatchLoader<string, BookReview>(
// "GetBookReviewByBookISBNs", (isbns) => bookReviewsRepository.GetBookReviewsByMultipleISBNs(isbns));
// return loader.LoadAsync(context.Source.ISBN);
//}
}
