public ProductMutation(ProductReviewManager reviewRepository)
{
FieldAsync <ProductReviewGraph>(
"createReview",
arguments: new QueryArguments(
new QueryArgument <NonNullGraphType <ProductReviewInputGraph> > {
Name = "review"
}),
resolve: async context =>
{
var review = context.GetArgument <ProductReview>("review");
return(await context.TryAsyncResolve(
async c => await reviewRepository.AddReview(review)));
});
}
public ProductGraph(ProductReviewManager productReviewManager, IDataLoaderContextAccessor dataLoaderAccessor)
{
Field(t => t.Id);
Field(t => t.Name);
Field(t => t.Description);
Field(t => t.IntroducedAt).Description("When the product was first introduced in the catalog");
Field(t => t.PhotoFileName).Description("The file name of the photo so the client can render it");
Field(t => t.Price);
Field(t => t.Rating).Description("The (max 5) star customer rating");
Field(t => t.Stock);
Field <ProductTypeGraph>("Type", "The type of product");
Field <ListGraphType <ProductReviewGraph> >(
"reviews",
resolve: context =>
{
var loader =
dataLoaderAccessor.Context.GetOrAddCollectionBatchLoader <int, ProductReview>(
"GetReviewsByProductId", productReviewManager.GetForProducts);
return(loader.LoadAsync(context.Source.Id));
});
}
public ProductReviewController()
{
this.reviewManager = new ProductReviewManager();
}