Files
Musify/backend/Musify.Infrastructure/MassTransit/Consumers/ProcessingSlipFaultConsumer.cs
T
AdminandClaude Opus 4.8 a5305b8ed8 feat(infra): playlist processing saga + generalize fault handling (phase 3)
Adds the PlayList picture-processing lifecycle saga (correlated by PlayListId)
mirroring the track one, and generalizes the failure plumbing:
- Rename the track fault translator to ProcessingSlipFaultConsumer and use a
  generic Workflow.SubjectId variable + ProcessKind; it now emits typed
  Track{Picture,Audio}/PlayListPicture ProcessingFailed events for all slips
- PlayListProcessingStateMachine (+ EF-persisted PlayListProcessingState,
  migration): starts on CreatePlayListResourcesEvent, finalizes on
  PlayListPictureProcessed, and on failure marks the playlist Failed and
  removes the orphaned final picture (PlayListProcessingFailedConsumer +
  MarkPlayListAsFailedActivity)
- UpdatePlayListPictureActivity publishes PlayListPictureProcessed on success
- Picture slip carries SubjectId + PlayListPicture kind + fault subscription

Verified end-to-end in Docker (RabbitMQ + migrated Postgres): both saga
endpoints, the fault translator and cleanup consumers configure, and an
addressing cross-check confirms all 21 activity execute queues the builders
address exist (caught + fixed a kebab mismatch on mark-play-list-as-failed).

Build: 0 warnings, 0 errors.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-05 14:55:40 +02:00

37 lines
1.4 KiB
C#

using MassTransit;
using MassTransit.Courier.Contracts;
using Musify.Application.Events;
namespace Musify.Infrastructure.MassTransit.Consumers
{
public class ProcessingSlipFaultConsumer : IConsumer<RoutingSlipFaulted>
{
public const string QueueName = "processing-slip-fault";
public async Task Consume(ConsumeContext<RoutingSlipFaulted> context)
{
var variables = context.Message.Variables;
if (!variables.TryGetValue(RoutingSlipVariableNames.Workflow.ProcessKind, out var kindObject))
return;
if (!variables.TryGetValue(RoutingSlipVariableNames.Workflow.SubjectId, out var subjectObject)
|| !Guid.TryParse(subjectObject?.ToString(), out var subjectId))
return;
switch (kindObject?.ToString())
{
case RoutingSlipVariableNames.ProcessKinds.TrackPicture:
await context.Publish(new TrackPictureProcessingFailed(subjectId));
break;
case RoutingSlipVariableNames.ProcessKinds.TrackAudio:
await context.Publish(new TrackAudioProcessingFailed(subjectId));
break;
case RoutingSlipVariableNames.ProcessKinds.PlayListPicture:
await context.Publish(new PlayListPictureProcessingFailed(subjectId));
break;
}
}
}
}