Add a 'Pending invoice' pill in portal subscription when invoice processing

BTCPayServer.Data/Data/Subscriptions/SubscriberData.cs

@@ -56,6 +56,9 @@ public class SubscriberData : BaseEntityData
     public decimal MissingCredit()
     => Math.Max(0m, NextPlan.Price - GetCredit(NextPlan.Currency));
 
+    [Column("processing_invoice_id")]
+    public string? ProcessingInvoiceId { get; set; }
+
     [Required]
     [Column("phase")]
     public PhaseTypes Phase { get; set; } = PhaseTypes.Expired;

BTCPayServer.Data/Migrations/20251028061727_subs.cs

@@ -200,6 +200,7 @@ namespace BTCPayServer.Migrations
                     plan_id = table.Column<string>(type: "text", nullable: false),
                     new_plan_id = table.Column<string>(type: "text", nullable: true),
                     paid_amount = table.Column<decimal>(type: "numeric", nullable: true),
+                    processing_invoice_id = table.Column<string>(type: "text", nullable: true),
                     phase = table.Column<string>(type: "text", nullable: false, defaultValueSql: "'Expired'::TEXT"),
                     plan_started = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now()"),
                     period_end = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: true),

BTCPayServer.Data/Migrations/ApplicationDbContextModelSnapshot.cs

@@ -1567,6 +1567,10 @@ namespace BTCPayServer.Migrations
                         .HasColumnName("plan_started")
                         .HasDefaultValueSql("now()");
 
+                    b.Property<string>("ProcessingInvoiceId")
+                        .HasColumnType("text")
+                        .HasColumnName("processing_invoice_id");
+
                     b.Property<string>("SuspensionReason")
                         .HasColumnType("text")
                         .HasColumnName("suspension_reason");

BTCPayServer/Plugins/Subscriptions/SubscriptionHostedService.cs

@@ -375,7 +375,6 @@ public class SubscriptionHostedService(
         var checkout = await ctx.PlanCheckouts.GetCheckout(checkoutId);
         var plan = checkout?.Plan;
         if (checkout is null || plan is null ||
-            (invoice.Status == InvoiceStatus.Processing && !plan.OptimisticActivation) ||
             checkout.Plan.Offering.App.StoreDataId != invoice.StoreId)
             return;
 
@@ -384,6 +383,16 @@ public class SubscriptionHostedService(
             throw new InvalidOperationException("Bug: Subscriber is null and not a new subscriber");
 
         var sub = checkout.Subscriber;
+        var processingInvoiceId = invoice.Status == InvoiceStatus.Processing ? invoice.Id : null;
+        if (sub is not null &&
+            sub.ProcessingInvoiceId != processingInvoiceId)
+        {
+            sub.ProcessingInvoiceId = processingInvoiceId;
+            await ctx.SaveChangesAsync();
+        }
+
+        if (invoice.Status == InvoiceStatus.Processing && !plan.OptimisticActivation)
+            return;
 
         if (invoice.Status is InvoiceStatus.Settled or InvoiceStatus.Processing)
         {

BTCPayServer/Plugins/Subscriptions/Views/UISubscriberPortal/SubscriberPortal.cshtml

@@ -280,6 +280,10 @@
                         {
                             <span class="badge badge-translucent rounded-pill text-bg-warning">Grace</span>
                         }
+                        @if (Model.Data.Subscriber is { ProcessingInvoiceId: {} pendingInvoiceId, OptimisticActivation: false })
+                        {
+                            <span class="badge badge-translucent rounded-pill text-bg-warning" title="@pendingInvoiceId">Pending invoice</span>
+                        }
                     </h5>
                     @if (Model.Subscriber.Plan.Description is not null)
                     {