// This is the entry point method for the example.检查加载项信息，是否有可试用
public async Task SetupSubscriptionInfoAsync()
{
if (context == null)
{
context = StoreContext.GetDefault();
// If your app is a desktop app that uses the Desktop Bridge, you
// may need additional code to configure the StoreContext object.
// For more info, see https://aka.ms/storecontext-for-desktop.
}
//检查用户是否有订阅的许可证传给userOwnsSubscription值
userOwnsSubscription = await CheckIfUserHasSubscriptionAsync();
if (userOwnsSubscription)
{
Loading.IsActive = false;
var messageDig = new MessageDialog("您已订阅此服务！");
//展示窗口，获取按钮是否退出
var result = await messageDig.ShowAsync();
// 解锁所有加载项订阅的特性功能
return;
}
//获取订阅信息.传给subscriptionStoreProduct值。
subscriptionStoreProduct = await GetSubscriptionProductAsync();
if (subscriptionStoreProduct == null)
{
Loading.IsActive = false;
var messageDig = new MessageDialog("此订阅暂不提供！");
//展示窗口，获取按钮是否退出
var result = await messageDig.ShowAsync();
return;
}
//检查第一个SKU是否是试用版，并通知客户试用版可用。
//如果试用可用，Skus数组将始终具有两个可购买的SKU，以及
// first one is the trial. Otherwise,第一个是审判。否则，该数组将只有一个SKU。
StoreSku sku = subscriptionStoreProduct.Skus[0];
if (sku.SubscriptionInfo.HasTrialPeriod)
{
//如果存在试用
//您可以在这里向客户显示订阅购买信息。你可以使用
// sku.SubscriptionInfo.BillingPeriod and sku.SubscriptionInfo.BillingPeriodUnit
//提供续约详情。
}
else
{
//不存在试用
//您可以在这里向客户显示订阅购买信息。你可以使用
// sku.SubscriptionInfo.BillingPeriod and sku.SubscriptionInfo.BillingPeriodUnit
//提供续约详情。
}
// Prompt the customer to purchase the subscription.
await PromptUserToPurchaseAsync();
}
/// <summary>
///
/// </summary>
/// <param name="subscriptionStoreId"></param>
/// <returns></returns>
private async Task <PurchaseResult> SetupSubscriptionInfoAsync(string subscriptionStoreId)
{
if (context == null)
{
context = StoreContext.GetDefault();
// If your app is a desktop app that uses the Desktop Bridge, you
// may need additional code to configure the StoreContext object.
// For more info, see https://aka.ms/storecontext-for-desktop.
}
bool userOwnsSubscription = await CheckIfUserHasActiveSubscriptionAsync(subscriptionStoreId);
if (userOwnsSubscription)
{
// Unlock all the subscription add-on features here.
return(new PurchaseResult()
{
PurchaseState = PurchaseState.Purchased, Sku = subscriptionStoreId
});
}
// Get the StoreProduct that represents the subscription add-on.
await GetSubscriptionProductAsync(subscriptionStoreId);
if (storeProduct == null)
{
return(new PurchaseResult()
{
PurchaseState = PurchaseState.Failed, Sku = subscriptionStoreId
});
}
// Check if the first SKU is a trial and notify the customer that a trial is available.
// If a trial is available, the Skus array will always have 2 purchasable SKUs and the
// first one is the trial. Otherwise, this array will only have one SKU.
StoreSku sku = storeProduct.Skus[0];
//if (sku.SubscriptionInfo.HasTrialPeriod)
//{
// // You can display the subscription trial info to the customer here. You can use
// // sku.SubscriptionInfo.TrialPeriod and sku.SubscriptionInfo.TrialPeriodUnit
// // to get the trial details.
//}
//else
//{
// // You can display the subscription purchase info to the customer here. You can use
// // sku.SubscriptionInfo.BillingPeriod and sku.SubscriptionInfo.BillingPeriodUnit
// // to provide the renewal details.
//}
// Prompt the customer to purchase the subscription.
return(await PromptUserToPurchaseAsync(sku));
}
public async Task SetupAdFreeSubscriptionInfoAsync()
{
if (storeContext == null)
{
storeContext = StoreContext.GetDefault();
//IInitializeWithWindow initWindow = (IInitializeWithWindow)(object)storeContext;
//initWindow.Initialize(System.Diagnostics.Process.GetCurrentProcess().MainWindowHandle);
}
bool userOwnsSubscription = await CheckIfUserHasAdFreeSubscriptionAsync();
if (userOwnsSubscription)
{
// Unlock all the subscription add-on features here.
return;
}
// Get the StoreProduct that represents the subscription add-on.
subscriptionStoreProduct = await GetAdFreeSubscriptionProductAsync();
if (subscriptionStoreProduct == null)
{
return;
}
// Check if the first SKU is a trial and notify the customer that a trial is available.
// If a trial is available, the Skus array will always have 2 purchasable SKUs and the
// first one is the trial. Otherwise, this array will only have one SKU.
StoreSku sku = subscriptionStoreProduct.Skus[0];
if (sku.SubscriptionInfo.HasTrialPeriod)
{
// You can display the subscription trial info to the customer here. You can use
// sku.SubscriptionInfo.TrialPeriod and sku.SubscriptionInfo.TrialPeriodUnit
// to get the trial details.
}
else
{
// You can display the subscription purchase info to the customer here. You can use
// sku.SubscriptionInfo.BillingPeriod and sku.SubscriptionInfo.BillingPeriodUnit
// to provide the renewal details.
}
// Prompt the customer to purchase the subscription.
await PromptUserToPurchaseAdFreeAsync();
}
/// <summary>
/// Prompt for purchase popup
/// </summary>
/// <param name="sku"></param>
/// <returns></returns>
private async Task <PurchaseResult> PromptUserToPurchaseAsync(StoreSku sku)
{
string productId = sku.StoreId;
// Request a purchase of the subscription product. If a trial is available it will be offered
// to the customer. Otherwise, the non-trial SKU will be offered.
StorePurchaseResult result = await storeProduct.RequestPurchaseAsync();
// Capture the error message for the operation, if any.
string extendedError = string.Empty;
if (result.ExtendedError != null)
{
extendedError = result.ExtendedError.Message;
}
return(result.Status switch
{
StorePurchaseStatus.Succeeded => new PurchaseResult()
{
PurchaseState = PurchaseState.Purchased, Sku = productId
}, // Show a UI to acknowledge that the customer has purchased your subscription
// and unlock the features of the subscription.
StorePurchaseStatus.NotPurchased => new PurchaseResult()
{
PurchaseState = PurchaseState.Failed, Sku = productId
},
StorePurchaseStatus.ServerError => new PurchaseResult()
{
PurchaseState = PurchaseState.Failed, Sku = productId
},
StorePurchaseStatus.NetworkError => new PurchaseResult()
{
PurchaseState = PurchaseState.Failed, Sku = productId
},
StorePurchaseStatus.AlreadyPurchased => new PurchaseResult()
{
PurchaseState = PurchaseState.Purchased, Sku = productId
},
_ => new PurchaseResult()
{
PurchaseState = PurchaseState.Failed, Sku = productId
},
});