Deduplicate MassTransit routing slips, activities and consumers

2026-09-24 12:25:55 +02:00
parent 0cba32f776
commit 405df082cc
76 changed files with 922 additions and 1933 deletions
@@ -0,0 +1,48 @@
+using MassTransit;
+using MassTransit.Courier.Contracts;
+using Musify.Infrastructure.MassTransit.Activities.Files;
+using Musify.Infrastructure.MassTransit.Arguments;
+using Musify.Infrastructure.MassTransit.Consumers;
+
+namespace Musify.Infrastructure.MassTransit.RoutingSlip;
+
+/// <summary>Shared building blocks for every routing slip in the worker.</summary>
+internal static class RoutingSlips
+{
+    public static Uri ExecuteUri(string endpointName) => new($"queue:{endpointName}_execute");
+
+    public static Uri ConsumerUri(string queueName) => new($"queue:{queueName}");
+
+    /// <summary>A new slip that carries the correlation id and always cleans its temporary directory up.</summary>
+    public static RoutingSlipBuilder Create(Guid? correlationId)
+    {
+        var builder = new RoutingSlipBuilder(NewId.NextGuid());
+        builder.AddVariable(RoutingSlipVariableNames.Workflow.CorrelationId, correlationId ?? Guid.Empty);
+        builder.AddSubscription(
+            ConsumerUri(RoutingSlipCleanUpConsumer.QueueName),
+            RoutingSlipEvents.Completed | RoutingSlipEvents.Faulted);
+
+        return builder;
+    }
+
+    public static RoutingSlipBuilder AddStep(
+        this RoutingSlipBuilder builder, string name, string executeEndpointName, object arguments)
+    {
+        builder.AddActivity(name, ExecuteUri(executeEndpointName), arguments);
+        return builder;
+    }
+
+    /// <summary>Publishes a failure event for the subject when the slip faults.</summary>
+    public static RoutingSlipBuilder TrackFaults(
+        this RoutingSlipBuilder builder, Guid subjectId, string processKind)
+    {
+        builder.AddVariable(RoutingSlipVariableNames.Workflow.SubjectId, subjectId);
+        builder.AddVariable(RoutingSlipVariableNames.Workflow.ProcessKind, processKind);
+        builder.AddSubscription(ConsumerUri(ProcessingSlipFaultConsumer.QueueName), RoutingSlipEvents.Faulted);
+        return builder;
+    }
+
+    public static RoutingSlipBuilder AddRemoveFile(
+        this RoutingSlipBuilder builder, string stepName, string bucket, string key) =>
+        builder.AddStep(stepName, RemoveFileFromBucketActivity.ExecuteEndpointName, new RemoveFileFromBucketArguments(bucket, key));
+}