PAS-552 | Restore UserCountUpdaterBackgroundService for internal repo…

…rting

src/AdminConsole/Billing/BackgroundServices/UserCountUpdaterBackgroundService.cs

@@ -0,0 +1,33 @@
+using Passwordless.AdminConsole.Services;
+using Passwordless.Common.Background;
+
+namespace Passwordless.AdminConsole.Billing.BackgroundServices;
+
+/// <summary>
+/// Responsible for retrieving the current user count from the Passwordless API and storing it in the Admin Console.
+/// It is only required for Bitwarden's internal reporting.
+/// </summary>
+public sealed class UserCountUpdaterBackgroundService(
+    IServiceProvider serviceProvider,
+    TimeProvider timeProvider,
+    ILogger<UserCountUpdaterBackgroundService> logger)
+    : BaseDelayedPeriodicBackgroundService(
+        new TimeOnly(0, 0),
+        TimeSpan.FromDays(1),
+        timeProvider,
+        logger)
+{
+    protected override async Task DoWorkAsync(CancellationToken cancellationToken)
+    {
+        try
+        {
+            using IServiceScope scope = serviceProvider.CreateScope();
+            var usageService = scope.ServiceProvider.GetRequiredService<IUsageService>();
+            await usageService.UpdateUsersCountAsync();
+        }
+        catch (Exception e)
+        {
+            logger.LogCritical(e, $"{nameof(UserCountUpdaterBackgroundService)} failed.");
+        }
+    }
+}

src/AdminConsole/Billing/BillingBootstrap.cs

@@ -25,6 +25,7 @@ public static void AddBilling(this WebApplicationBuilder builder)
             builder.Services.AddHostedService<StripeConfigurationUpdaterBackgroundService>();
             builder.Services.AddScoped<ISharedBillingService, SharedStripeBillingService>();
             builder.Services.AddHostedService<MeteredBillingBackgroundService>();
+            builder.Services.AddHostedService<UserCountUpdaterBackgroundService>();
         }
     }
 }