Files
Musify/backend/Musify.Infrastructure/MassTransit/RoutingSlip/Builders/AudioWorkflowRoutingSlipBuilder.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

73 lines
3.5 KiB
C#

using MassTransit;
using MassTransit.Courier.Contracts;
using Musify.Application.Events;
using Musify.Infrastructure.Configuration;
using Musify.Infrastructure.MassTransit.Activities.Audio;
using Musify.Infrastructure.MassTransit.Activities.Files;
using Musify.Infrastructure.MassTransit.Activities;
using Musify.Infrastructure.MassTransit.Arguments;
using Musify.Infrastructure.MassTransit.Consumers;
namespace Musify.Infrastructure.MassTransit.RoutingSlip.Builders
{
public class AudioWorkflowRoutingSlipBuilder(WorkerConfiguration workerConfiguration)
{
public RoutingSlipBuilder Build(UpdateTrackAudioEvent message, Guid? correlationId)
{
var routingSlipBuilder = new RoutingSlipBuilder(NewId.NextGuid());
routingSlipBuilder.AddVariable(RoutingSlipVariableNames.Workflow.CorrelationId, correlationId ?? Guid.Empty);
routingSlipBuilder.AddSubscription(
EndpointHelper.BuildConsumerUri(RoutingSlipCleanUpConsumer.QueueName),
RoutingSlipEvents.Completed | RoutingSlipEvents.Faulted);
routingSlipBuilder.AddActivity(
ActivityNames.GenerateAudioWorkflowPaths,
EndpointHelper.BuildExecuteActivityUri(GenerateAudioWorkflowPathsActivity.ExecuteEndpointName),
new GenerateAudioWorkflowPathsArguments(
message.TrackId,
workerConfiguration.Routes.TemporaryFilesDirectory,
message.SourceKey));
routingSlipBuilder.AddActivity(
ActivityNames.DownloadFile,
EndpointHelper.BuildExecuteActivityUri(DownloadFileFromBucketActivity.ExecuteEndpointName),
new DownloadFileFromBucketArguments(
message.SourceBucket,
message.SourceKey,
RoutingSlipVariableNames.Audio.SourceFilePath));
routingSlipBuilder.AddActivity(
ActivityNames.TranscodeAudio,
EndpointHelper.BuildExecuteActivityUri(TranscodeAudioActivity.ExecuteEndpointName),
new TranscodeAudioArguments(
message.TrackId,
RoutingSlipVariableNames.Audio.SourceFilePath,
RoutingSlipVariableNames.Workflow.TemporalDirectory));
routingSlipBuilder.AddActivity(
ActivityNames.TransferFiles,
EndpointHelper.BuildExecuteActivityUri(TransferFilesToBucketActivity.ExecuteEndpointName),
new TransferFilesToBucketArguments(
message.DestinationBucket,
RoutingSlipVariableNames.Audio.TranscodedDirectory,
message.DestinationFolderKey));
routingSlipBuilder.AddActivity(
ActivityNames.UpdateTrackAudio,
EndpointHelper.BuildExecuteActivityUri(UpdateTrackAudioActivity.ExecuteEndpointName),
new UpdateTrackAudioArguments(
message.TrackId,
message.DestinationFolderKey));
routingSlipBuilder.AddVariable(RoutingSlipVariableNames.Workflow.SubjectId, message.TrackId);
routingSlipBuilder.AddVariable(RoutingSlipVariableNames.Workflow.ProcessKind, RoutingSlipVariableNames.ProcessKinds.TrackAudio);
routingSlipBuilder.AddSubscription(
EndpointHelper.BuildConsumerUri(ProcessingSlipFaultConsumer.QueueName),
RoutingSlipEvents.Faulted);
return routingSlipBuilder;
}
}
}