IProjectVShopPresenter interface

The Shop presenter. Pages should use IProjectVShopScreen instead; use the presenter only for what the screen contract does not cover.

Namespace: SilverTiger.ProjectV.Unity.Presentation.Shop

public interface IProjectVShopPresenter

Properties

Property	Type	Description
Current	ProjectVShopSnapshot	The latest snapshot; never null.

Methods

SubscribeAsync(Action<ProjectVShopSnapshot> listener)

Calls listener with the current snapshot, then with every change. Changes may arrive off the Unity main thread; IProjectVShopScreen.Observe draws on it for you.

Task<IDisposable> SubscribeAsync(Action<ProjectVShopSnapshot> listener);

Parameters

Name	Type	Description
listener	Action<ProjectVShopSnapshot>	Called with each snapshot.

Returns

Task<IDisposable>: A subscription; dispose it when the page closes.

RefreshAsync(CancellationToken cancellationToken)

Loads the offers. Returns at once when they are already loaded.

Task<ProjectVShopCommandResult> RefreshAsync(CancellationToken cancellationToken);

Parameters

Name	Type	Description
cancellationToken	CancellationToken	Stops waiting; tie it to the page.

Returns

Task<ProjectVShopCommandResult>: The resulting snapshot and whether it succeeded.

PurchaseAsync(ProjectVShopOfferView offer, int quantity, CancellationToken cancellationToken)

Buys units of an offer paid with in-game currency.

Task<ProjectVShopCommandResult> PurchaseAsync(ProjectVShopOfferView offer, int quantity, CancellationToken cancellationToken);

Parameters

Name	Type	Description
offer	ProjectVShopOfferView	An offer from the latest snapshot's ProjectVShopSnapshot.Offers.
quantity	int	How many units to buy, from ProjectVShopOfferView.QuantityMin to ProjectVShopOfferView.QuantityMax.
cancellationToken	CancellationToken	Stops waiting; it does not undo a purchase the server already applied.

Returns

Task<ProjectVShopCommandResult>: The resulting snapshot and whether the server confirmed the purchase.

Exceptions

Exception	When
ArgumentNullException	offer is null.