Added subscription portal

BillingCore/BillingService.cs

@@ -36,6 +36,8 @@ namespace Teknik.BillingCore
         public abstract CheckoutSession CreateCheckoutSession(string customerId, string priceId, string successUrl, string cancelUrl);
         public abstract CheckoutSession GetCheckoutSession(string sessionId);
 
+        public abstract PortalSession CreatePortalSession(string customerId, string returnUrl);
+
         public abstract Task<Event> ParseEvent(HttpRequest request, string apiKey);
         public abstract CheckoutSession ProcessCheckoutCompletedEvent(Event e);
         public abstract Subscription ProcessSubscriptionEvent(Event e);

BillingCore/Models/PortalSession.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Teknik.BillingCore.Models
+{
+    public class PortalSession
+    {
+        public string Url { get; set; }
+    }
+}

BillingCore/StripeService.cs

@@ -264,6 +264,16 @@ namespace Teknik.BillingCore
             return ConvertCheckoutSession(session);
         }
 
+        public override CheckoutSession GetCheckoutSession(string sessionId)
+        {
+            var checkoutService = new Stripe.Checkout.SessionService();
+            var sessionOptions = new Stripe.Checkout.SessionGetOptions();
+            sessionOptions.AddExpand("customer");
+            var session = checkoutService.Get(sessionId, sessionOptions);
+
+            return ConvertCheckoutSession(session);
+        }
+
         public override async Task<Models.Event> ParseEvent(HttpRequest request, string apiKey)
         {
             var json = await new StreamReader(request.Body).ReadToEndAsync();
@@ -300,14 +310,16 @@ namespace Teknik.BillingCore
             return ConvertSubscription(subscription);
         }
 
-        public override CheckoutSession GetCheckoutSession(string sessionId)
+        public override PortalSession CreatePortalSession(string customerId, string returnUrl)
         {
-            var checkoutService = new Stripe.Checkout.SessionService();
-            var sessionOptions = new Stripe.Checkout.SessionGetOptions();
-            sessionOptions.AddExpand("customer");
-            var session = checkoutService.Get(sessionId, sessionOptions);
-
-            return ConvertCheckoutSession(session);
+            var portalService = new Stripe.BillingPortal.SessionService();
+            var sessionOptions = new Stripe.BillingPortal.SessionCreateOptions()
+            {
+                Customer = customerId,
+                ReturnUrl = returnUrl
+            };
+            var session = portalService.Create(sessionOptions);
+            return ConvertPortalSession(session);
         }
 
         private Models.Product ConvertProduct(Stripe.Product product)
@@ -415,7 +427,6 @@ namespace Teknik.BillingCore
             if (session == null)
                 return null;
 
-
             var paymentStatus = PaymentStatus.Unpaid;
             switch (session.PaymentStatus)
             {
@@ -440,6 +451,17 @@ namespace Teknik.BillingCore
             };
         }
 
+        private PortalSession ConvertPortalSession(Stripe.BillingPortal.Session session)
+        {
+            if (session == null)
+                return null;
+
+            return new PortalSession()
+            {
+                Url = session.Url
+            };
+        }
+
         private Models.Customer ConvertCustomer(Stripe.Customer customer)
         {
             var returnCust = new Models.Customer()

Teknik/Areas/User/Controllers/UserController.cs

@@ -372,6 +372,7 @@ namespace Teknik.Areas.Users.Controllers
                         foreach (var price in sub.Prices)
                         {
                             var product = billingService.GetProduct(price.ProductId);
+                            var portalSession = billingService.CreatePortalSession(user.BillingCustomer.CustomerId, Url.SubRouteUrl("account", "User.BillingSettings"));
                             var subView = new SubscriptionViewModel()
                             {
                                 SubscriptionId = sub.Id,
@@ -379,7 +380,8 @@ namespace Teknik.Areas.Users.Controllers
                                 ProductName = product.Name,
                                 Storage = price.Storage,
                                 Price = price.Amount,
-                                Interval = price.Interval.ToString()
+                                Interval = price.Interval.ToString(),
+                                PortalUrl = portalSession?.Url
                             };
                             model.Subscriptions.Add(subView);
                         }

Teknik/Areas/User/ViewModels/SubscriptionViewModel.cs

@@ -19,5 +19,7 @@ namespace Teknik.Areas.Users.ViewModels
         public string Interval { get; set; }
 
         public long Storage { get; set; }
+
+        public string PortalUrl { get; set; }
     }
 }

Teknik/Areas/User/Views/User/Settings/BillingSettings.cshtml

@@ -18,7 +18,7 @@
                     {
                     <li class="list-group-item">
                         <h4 class="list-group-item-heading">@subscription.ProductName: <strong>@(StringHelper.GetBytesReadable(subscription.Storage))</strong> for <strong>@($"${subscription.Price:0.00} / {subscription.Interval}")</strong></h4>
-                        <p><a href="@(Url.SubRouteUrl("billing", "Billing.CancelSubscription", new { subscriptionId = subscription.SubscriptionId, productId = subscription.ProductId }))">Cancel Subscription</a></p>
+                        <p><a href="@subscription.PortalUrl">Subscription Details</a> | <a href="@(Url.SubRouteUrl("billing", "Billing.CancelSubscription", new { subscriptionId = subscription.SubscriptionId, productId = subscription.ProductId }))">Cancel Subscription</a></p>
                     </li>
                     }
                 }