Use variables

Infrastructure/Messaging/Activities/Arguments/TranscodeDashAudioArguments.cs

@@ -1,4 +1,4 @@
 namespace Musify.Infrastructure.Messaging.Activities.Arguments
 {
-    public record TranscodeDashAudioArguments(string SourceFilePath, string DestinationFolderName);
+    public record TranscodeDashAudioArguments();
 }

Infrastructure/Messaging/Activities/Arguments/TransferFilesToBucketArguments.cs

@@ -1,7 +1,6 @@
 namespace Musify.Infrastructure.Messaging.Activities.Arguments
 {
     public record TransferFilesToBucketArguments(
-        string FolderPath,
         string DestinationBucketName,
         string DestinationKeyName);
 }

Infrastructure/Messaging/Activities/DownloadFileFromBucketActivity.cs

@@ -53,17 +53,23 @@ namespace Musify.Infrastructure.Messaging.Activities
                 if (fileStream.CanSeek)
                     fileStream.Position = 0;
 
-                var destinationPath = Path.Combine(
-                    audioTranscoderConfiguration.Routes.WorkingDirectory,
-                    Path.GetFileName(executeContext.Arguments.KeyName));
+                var fileName = Path.GetFileName(executeContext.Arguments.KeyName);
+                var folderName = Guid.NewGuid().ToString();
+                var workingDirectory = Path.Combine(executeContext.Arguments.DestinationPath, folderName);
+                var destinationPath = Path.Combine(workingDirectory, fileName);
 
-                Directory.CreateDirectory(Path.GetDirectoryName(destinationPath)!);
+                Directory.CreateDirectory(workingDirectory);
 
                 using var destinationStream = File.Create(destinationPath);
                 await fileStream.CopyToAsync(destinationStream, executeContext.CancellationToken);
 
                 await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
-                return executeContext.Completed();
+                return executeContext.CompletedWithVariables(new
+                {
+                    SourceFilePath = destinationPath,
+                    WorkingDirectory = workingDirectory,
+                    DestinationFolderName = folderName
+                } );
             }
             catch (Exception exception)
             {

Infrastructure/Messaging/Activities/TranscodeDashAudioActivity.cs

@@ -32,17 +32,21 @@ namespace Musify.Infrastructure.Messaging.Activities
                 0,
                 executeContext.CancellationToken);
 
+            var sourceFilePath = executeContext.GetVariable<string>("SourceFilePath");
+            var destinationFolderName = executeContext.GetVariable<string>("DestinationFolderName");
+
+            if (string.IsNullOrWhiteSpace(sourceFilePath) || string.IsNullOrWhiteSpace(destinationFolderName))
+            {
+                throw new InvalidOperationException("Transcode activity requires SourceFilePath and DestinationFolderName variables.");
+            }
+
             try
             {
-                var workingDirectory = Path.Combine(
-                    audioTranscoderConfiguration.Routes.WorkingDirectory,
-                    executeContext.Arguments.DestinationFolderName);
-
-                await using var fileStream = File.OpenRead(executeContext.Arguments.SourceFilePath);
+                await using var fileStream = File.OpenRead(sourceFilePath);
 
                 var result = await audioTranscoder.TranscodeToDashAsync(
                     fileStream,
-                    executeContext.Arguments.DestinationFolderName,
+                    destinationFolderName,
                     audioTranscoderConfiguration.TranscodingTimeout,
                     executeContext.CancellationToken);
 
@@ -50,7 +54,7 @@ namespace Musify.Infrastructure.Messaging.Activities
                 {
                     var errorMessage = string.Join("; ", result.Errors);
                     logger.LogError("Transcoding failed for file {SourceFilePath}. Errors: {ErrorMessage}",
-                        executeContext.Arguments.SourceFilePath, errorMessage);
+                        sourceFilePath, errorMessage);
                     throw new Exception(errorMessage);
                 }
 
@@ -60,7 +64,7 @@ namespace Musify.Infrastructure.Messaging.Activities
             catch (Exception exception)
             {
                 logger.LogError(exception, "Error during transcoding activity for file {SourceFilePath}",
-                    executeContext.Arguments.SourceFilePath);
+                    sourceFilePath);
                 await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
                 throw;
             }

Infrastructure/Messaging/Activities/TransferFilesToBucket.cs

@@ -30,10 +30,16 @@ namespace Musify.Infrastructure.Messaging.Activities
                 0,
                 executeContext.CancellationToken);
 
+            var folderPath = executeContext.GetVariable<string>("WorkingDirectory");
+            if (string.IsNullOrWhiteSpace(folderPath))
+            {
+                throw new InvalidOperationException("Transfer activity requires WorkingDirectory variable.");
+            }
+
             try
             {
                 var transferFilesResult = await storageHandler.TransferFilesAsync(
-                    executeContext.Arguments.FolderPath,
+                    folderPath,
                     executeContext.Arguments.DestinationBucketName,
                     executeContext.Arguments.DestinationKeyName,
                     executeContext.CancellationToken);
@@ -42,7 +48,7 @@ namespace Musify.Infrastructure.Messaging.Activities
                 {
                     var errorMessage = string.Join("; ", transferFilesResult.Errors);
                     logger.LogError("Failed to transfer files from {FolderPath} to bucket {DestinationBucketName}, key {DestinationKeyName}. Errors: {Errors}",
-                        executeContext.Arguments.FolderPath,
+                        folderPath,
                         executeContext.Arguments.DestinationBucketName,
                         executeContext.Arguments.DestinationKeyName,
                         errorMessage);
@@ -55,7 +61,7 @@ namespace Musify.Infrastructure.Messaging.Activities
             catch (Exception exception)
             {
                 logger.LogError(exception, "Error transferring files from {FolderPath} to bucket {DestinationBucketName}",
-                    executeContext.Arguments.FolderPath,
+                    folderPath,
                     executeContext.Arguments.DestinationBucketName);
                 await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
                 throw;

Infrastructure/Messaging/Consumers/TranscodeAudioFromTrackConsumer.cs

@@ -16,9 +16,6 @@ namespace Musify.Infrastructure.Messaging.Consumers
         public async Task Consume(ConsumeContext<TranscodeAudioFromTrackEvent> consumeContext)
         {
             var routingSlipBuilder = new RoutingSlipBuilder(NewId.NextGuid());
-            var fileName = Path.GetFileName(consumeContext.Message.SourceKeyName);
-            var folderName = Guid.NewGuid().ToString();
-            var workingDirectory = Path.Combine(audioTranscoderConfiguration.Routes.WorkingDirectory, folderName);
 
             routingSlipBuilder.AddActivity(
                 "DownloadFile",
@@ -26,20 +23,17 @@ namespace Musify.Infrastructure.Messaging.Consumers
                 new DownloadFileFromBucketArguments(
                     consumeContext.Message.SourceBucketName,
                     consumeContext.Message.SourceKeyName,
-                    workingDirectory));
+                    audioTranscoderConfiguration.Routes.WorkingDirectory));
 
             routingSlipBuilder.AddActivity(
                 "TranscodeAudio",
                 MessagingHelper.BuildExecuteActivityUri(TranscodeDashAudioActivity.ExecuteEndpointName),
-                new TranscodeDashAudioArguments(
-                    Path.Combine(workingDirectory, fileName),
-                    folderName));
+                new TranscodeDashAudioArguments());
 
             routingSlipBuilder.AddActivity(
                 "UploadFile",
                 MessagingHelper.BuildExecuteActivityUri(TransferFilesToBucket.ExecuteEndpointName),
                 new TransferFilesToBucketArguments(
-                    workingDirectory,
                     consumeContext.Message.DestinationBucketName,
                     consumeContext.Message.DestinationKeyName));
 

Infrastructure/Messaging/Consumers/UpdatePlayListPictureConsumer.cs

@@ -68,7 +68,6 @@ namespace Musify.Infrastructure.Messaging.Consumers
                 "UploadFiles",
                 MessagingHelper.BuildExecuteActivityUri(TransferFilesToBucket.ExecuteEndpointName),
                 new TransferFilesToBucketArguments(
-                    workingDirectory,
                     consumeContext.Message.SourceBucketName,
                     folderName));
 

Infrastructure/Messaging/Consumers/UpdateTrackPictureConsumer.cs

@@ -68,7 +68,6 @@ namespace Musify.Infrastructure.Messaging.Consumers
                 "UploadFiles",
                 MessagingHelper.BuildExecuteActivityUri(TransferFilesToBucket.ExecuteEndpointName),
                 new TransferFilesToBucketArguments(
-                    workingDirectory,
                     consumeContext.Message.SourceBucketName,
                     folderName));