♻️ Refactored order handling

DysonNetwork.Pass/Startup/BroadcastEventHandler.cs

@@ -0,0 +1,34 @@
+using System.Text.Json;
+using DysonNetwork.Pass.Wallet;
+using DysonNetwork.Shared.Stream;
+using NATS.Client.Core;
+
+namespace DysonNetwork.Pass.Startup;
+
+public class BroadcastEventHandler(
+    INatsConnection nats,
+    ILogger<BroadcastEventHandler> logger,
+    IServiceProvider serviceProvider
+) : BackgroundService
+{
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        await foreach (var msg in nats.SubscribeAsync<byte[]>(PaymentOrderEvent.Type, cancellationToken: stoppingToken))
+        {
+            try
+            {
+                var evt = JsonSerializer.Deserialize<PaymentOrderEvent>(msg.Data);
+
+                if (evt?.ProductIdentifier is null || !evt.ProductIdentifier.StartsWith(SubscriptionType.StellarProgram))
+                    continue;
+                
+                logger.LogInformation("Stellar program order paid: {OrderId}", evt.OrderId);
+                
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, "Error processing AccountDeleted");
+            }
+        }
+    }
+}