Simplify infrastructure services and move all recurring jobs to Hangfire

backend/Core/Musify.Application/UploadIntents/ExpireUploadIntents.cs

@@ -0,0 +1,46 @@
+using Mediator;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Configuration;
+using Musify.Application.Contracts;
+using Musify.Domain.ValueObjects;
+
+namespace Musify.Application.UploadIntents;
+
+/// <summary>Marks overdue upload intents as expired and deletes the ones expired for longer than the retention window.</summary>
+public record ExpireUploadIntentsCommand : ICommand<int>;
+
+public class ExpireUploadIntentsCommandHandler(
+    IDatabase database,
+    UploadIntentConfiguration uploadIntentConfiguration,
+    ILogger<ExpireUploadIntentsCommandHandler> logger)
+    : ICommandHandler<ExpireUploadIntentsCommand, int>
+{
+    public async ValueTask<int> Handle(ExpireUploadIntentsCommand request, CancellationToken cancellationToken)
+    {
+        var now = DateTime.UtcNow;
+
+        var expiredIntents = await database.UploadIntents
+            .Where(intent => intent.Status == UploadIntentStatus.Issued && intent.ExpiresAt < now)
+            .ToListAsync(cancellationToken);
+
+        foreach (var intent in expiredIntents)
+            intent.Status = UploadIntentStatus.Expired;
+
+        var retentionCutoff = now.AddDays(-uploadIntentConfiguration.ExpiredIntentsRetentionDays);
+        var oldExpiredIntents = await database.UploadIntents
+            .Where(intent => intent.Status == UploadIntentStatus.Expired && intent.ExpiresAt < retentionCutoff)
+            .ToListAsync(cancellationToken);
+
+        database.UploadIntents.RemoveRange(oldExpiredIntents);
+
+        if (expiredIntents.Count == 0 && oldExpiredIntents.Count == 0)
+            return 0;
+
+        await database.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("Marked {Expired} upload intents as expired and deleted {Deleted} old ones",
+            expiredIntents.Count, oldExpiredIntents.Count);
+
+        return expiredIntents.Count + oldExpiredIntents.Count;
+    }
+}