public ProductType(DataLoader loader, SubscriptionRepository subscriptions, ProductRepository products, TransactionRepository transactions, UserManager <User> userManager)
{
Name = "Product";
Description = "Information about a product";
Field(p => p.Id).Description("Unique ID of this product.");
Field(p => p.Name).Description("The product's name.");
Field(p => p.Description, nullable: true).Description("The product's description.");
Field(p => p.Price).Description("The product's unit price.");
Field(p => p.IsDeleted).Description("Indicates if this product was deleted.");
Field("canSubscribe", p => p.IsSubscribable).Description("Indicates if this product can be subscribed to.");
Field <BooleanGraphType>("isSubscribed",
resolve: ctx => {
var currentUser = ctx.UserContext.As <DepanneurUserContext>().User;
var userId = userManager.GetUserId(currentUser);
return(loader.LoadBatch("AreProductsSubscribed", ctx.Source.Id, ids => subscriptions.AreProductsSubscribed(userId, ids)));
},
description: "Indicates if this product is currently subscribed to by the current user.");
Field <SubscriptionType>("subscription",
resolve: ctx => {
var currentUser = ctx.UserContext.As <DepanneurUserContext>().User;
var userId = userManager.GetUserId(currentUser);
return(loader.LoadBatch("GetProductSubscriptions", ctx.Source.Id, ids => subscriptions.GetProductSubscriptions(userId, ids)));
},
description: "The details of the current subscription to this product by the current user.");
Field <ProductStatisticsType>("stats", resolve: ctx => ctx.Source, description: "Statistics about this product.");
Field <PaginationType <PurchaseTransactionType, Purchase> >(
"purchases",
description: "The pruchases of this product by all users. Requires the 'Products' role.",
arguments: new QueryArguments(
new QueryArgument <IntGraphType> {
Name = "page", DefaultValue = 1, Description = "Page number to retrieve."
},
new QueryArgument <IntGraphType> {
Name = "count", DefaultValue = 20, Description = "Number of items per page."
}
),
resolve: ctx => {
var page = ctx.GetArgument <int>("page");
var count = ctx.GetArgument <int>("count");
return(transactions
.GetAll()
.PurchasesOfProduct(ctx.Source.Id)
.Chronologically()
.GetPageAsync(page, count));
}).AuthorizeWith(Policies.ManageProducts);
}