✨ Push token clean up when invalid

DysonNetwork.Ring/Services/PushSubFlushHandler.cs

@@ -0,0 +1,35 @@
+using DysonNetwork.Shared.Cache;
+using Microsoft.EntityFrameworkCore;
+using Quartz;
+
+namespace DysonNetwork.Ring.Services;
+
+public class PushSubRemovalRequest
+{
+    public Guid SubId { get; set; }
+}
+
+public class PushSubFlushHandler(IServiceProvider sp) : IFlushHandler<PushSubRemovalRequest>
+{
+    public async Task FlushAsync(IReadOnlyList<PushSubRemovalRequest> items)
+    {
+        using var scope = sp.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<AppDatabase>();
+        var logger = scope.ServiceProvider.GetRequiredService<ILogger<PushSubFlushHandler>>();
+
+        var tokenIds = items.Select(x => x.SubId).Distinct().ToList();
+
+        var count = await db.PushSubscriptions
+            .Where(s => tokenIds.Contains(s.Id))
+            .ExecuteDeleteAsync();
+        logger.LogInformation("Removed {Count} invalid push notification tokens...", count);
+    }
+}
+
+public class PushSubFlushJob(FlushBufferService fbs, PushSubFlushHandler hdl) : IJob
+{
+    public async Task Execute(IJobExecutionContext context)
+    {
+        await fbs.FlushAsync(hdl);
+    }
+}