Changes

Infrastructure/Infrastructure.csproj

@@ -32,4 +32,25 @@
     <ProjectReference Include="..\Domain\Domain.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Compile Remove="MassTransit\**\*.cs" />
+    <Compile Include="MassTransit\**\*.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="MassTransit\Activities\" />
+    <Folder Include="MassTransit\Activities\Audio\" />
+    <Folder Include="MassTransit\Activities\Pictures\" />
+    <Folder Include="MassTransit\Activities\Files\" />
+    <Folder Include="MassTransit\Arguments\" />
+    <Folder Include="MassTransit\Logs\" />
+    <Folder Include="MassTransit\RoutingSlip\" />
+    <Folder Include="MassTransit\RoutingSlip\Builders\" />
+    <Folder Include="MassTransit\RoutingSlip\Variables\" />
+    <Folder Include="MassTransit\Consumers\" />
+    <Folder Include="MassTransit\Filters\" />
+    <Folder Include="MassTransit\EventBus\" />
+    <Folder Include="MassTransit\DependencyInjection\" />
+  </ItemGroup>
+
 </Project>

Infrastructure/MassTransit/Activities/Audio/GenerateAudioWorkflowPathsActivity.cs

@@ -0,0 +1,63 @@
+using MassTransit;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Domain.Entities;
+using Musify.Infrastructure.Messaging.Activities.Arguments;
+
+namespace Musify.Infrastructure.Messaging.Activities
+{
+    public class GenerateAudioWorkflowPathsActivity(
+        ILogger<GenerateAudioWorkflowPathsActivity> logger,
+        IProcessTrackingStore processTrackingStore)
+        : IExecuteActivity<GenerateAudioWorkflowPathsArguments>
+    {
+        public const string ExecuteEndpointName = "Generate-Audio-Workflow-Paths";
+
+        public async Task<ExecutionResult> Execute(ExecuteContext<GenerateAudioWorkflowPathsArguments> executeContext)
+        {
+            var processId = await processTrackingStore.GetOrCreateProcessAsync(
+                "RoutingSlip",
+                executeContext.CorrelationId ?? executeContext.TrackingNumber,
+                executeContext.ConversationId,
+                executeContext.MessageId,
+                executeContext.CancellationToken);
+
+            var stepId = await processTrackingStore.StartStepAsync(
+                processId,
+                nameof(GenerateAudioWorkflowPathsActivity),
+                ProcessStepComponentType.Activity,
+                0,
+                executeContext.CancellationToken);
+
+            try
+            {
+                var folderName = Guid.NewGuid().ToString();
+                var sourceFileName = Path.GetFileName(executeContext.Arguments.SourceKeyName);
+                var workingDirectory = Path.Combine(executeContext.Arguments.TemporaryRootDirectory, folderName);
+                var sourceFilePath = Path.Combine(workingDirectory, sourceFileName);
+
+                Directory.CreateDirectory(workingDirectory);
+
+                logger.LogDebug("Generated audio workflow paths. WorkingDirectory: {WorkingDirectory}, SourceFilePath: {SourceFilePath}",
+                    workingDirectory,
+                    sourceFilePath);
+
+                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
+                return executeContext.CompletedWithVariables(new Dictionary<string, object>
+                {
+                    [RoutingSlipVariableNames.Workflow.TempDirectory] = workingDirectory,
+                    [RoutingSlipVariableNames.Audio.WorkingDirectory] = workingDirectory,
+                    [RoutingSlipVariableNames.Audio.SourceFilePath] = sourceFilePath,
+                    [RoutingSlipVariableNames.Audio.TranscodedDirectory] = workingDirectory
+                });
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error generating audio workflow paths for key {SourceKeyName}",
+                    executeContext.Arguments.SourceKeyName);
+                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
+                throw;
+            }
+        }
+    }
+}

Infrastructure/MassTransit/Activities/Audio/TranscodeDashAudioActivity.cs

@@ -0,0 +1,89 @@
+using MassTransit;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Domain.Entities;
+using Musify.Infrastructure.Messaging.Activities.Arguments;
+using Musify.Infrastructure.Messaging.Activities.Logs;
+
+namespace Musify.Infrastructure.Messaging.Activities
+{
+    public class TranscodeDashAudioActivity(
+        IAudioTranscoder audioTranscoder,
+        ILogger<TranscodeDashAudioActivity> logger,
+        IProcessTrackingStore processTrackingStore)
+        : IActivity<TranscodeDashAudioArguments, TranscodeDashAudioLog>
+    {
+        public const string ExecuteEndpointName = "Transcode-Dash-Audio";
+
+        public async Task<ExecutionResult> Execute(ExecuteContext<TranscodeDashAudioArguments> executeContext)
+        {
+            var processId = await processTrackingStore.GetOrCreateProcessAsync(
+                "RoutingSlip",
+                executeContext.CorrelationId ?? executeContext.TrackingNumber,
+                executeContext.ConversationId,
+                executeContext.MessageId,
+                executeContext.CancellationToken);
+
+            var stepId = await processTrackingStore.StartStepAsync(
+                processId,
+                nameof(TranscodeDashAudioActivity),
+                ProcessStepComponentType.Activity,
+                0,
+                executeContext.CancellationToken);
+
+            var sourceFilePath = executeContext.GetVariable<string>(executeContext.Arguments.SourceFilePathVariableName);
+            var workingDirectory = executeContext.GetVariable<string>(executeContext.Arguments.WorkingDirectoryVariableName);
+
+            if (string.IsNullOrWhiteSpace(sourceFilePath) || string.IsNullOrWhiteSpace(workingDirectory))
+            {
+                throw new InvalidOperationException("Transcode activity requires source file path and working directory variables.");
+            }
+
+            try
+            {
+                await using var fileStream = File.OpenRead(sourceFilePath);
+
+                var result = await audioTranscoder.TranscodeToDashAsync(
+                    fileStream,
+                    workingDirectory,
+                    executeContext.CancellationToken);
+
+                if (!result.IsSuccess)
+                {
+                    var errorMessage = string.Join("; ", result.Errors);
+                    logger.LogError("Transcoding failed for file {SourceFilePath}. Errors: {ErrorMessage}",
+                        sourceFilePath, errorMessage);
+                    throw new Exception(errorMessage);
+                }
+
+                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
+                return executeContext.Completed();
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error during transcoding activity for file {SourceFilePath}",
+                    sourceFilePath);
+                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
+                throw;
+            }
+        }
+
+        public Task<CompensationResult> Compensate(CompensateContext<TranscodeDashAudioLog> compensateContext)
+        {
+            try
+            {
+                if (Directory.Exists(compensateContext.Log.WorkingDirectory))
+                {
+                    Directory.Delete(compensateContext.Log.WorkingDirectory, true);
+                }
+
+                return Task.FromResult(compensateContext.Compensated());
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error compensating transcoded audio directory {WorkingDirectory}", compensateContext.Log.WorkingDirectory);
+                return Task.FromResult(compensateContext.Failed(exception));
+            }
+        }
+    }
+}

Infrastructure/MassTransit/Activities/Files/DownloadFileFromBucketActivity.cs

@@ -0,0 +1,100 @@
+using MassTransit;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Domain.Entities;
+using Musify.Infrastructure.Messaging.Activities.Arguments;
+using Musify.Infrastructure.Messaging.Activities.Logs;
+
+namespace Musify.Infrastructure.Messaging.Activities
+{
+    public class DownloadFileFromBucketActivity(
+        IStorageHandler storageHandler,
+        ILogger<DownloadFileFromBucketActivity> logger,
+        IProcessTrackingStore processTrackingStore)
+        : IActivity<DownloadFileFromBucketArguments, DownloadFileFromBucketLog>
+    {
+        public const string ExecuteEndpointName = "Download-File-From-Bucket";
+
+        public async Task<ExecutionResult> Execute(ExecuteContext<DownloadFileFromBucketArguments> executeContext)
+        {
+            var processId = await processTrackingStore.GetOrCreateProcessAsync(
+                "RoutingSlip",
+                executeContext.CorrelationId ?? executeContext.TrackingNumber,
+                executeContext.ConversationId,
+                executeContext.MessageId,
+                executeContext.CancellationToken);
+
+            var stepId = await processTrackingStore.StartStepAsync(
+                processId,
+                nameof(DownloadFileFromBucketActivity),
+                ProcessStepComponentType.Activity,
+                0,
+                executeContext.CancellationToken);
+
+            var destinationPath = executeContext.GetVariable<string>(executeContext.Arguments.DestinationFilePathVariableName);
+            if (string.IsNullOrWhiteSpace(destinationPath))
+            {
+                throw new InvalidOperationException(
+                    $"Download activity requires variable '{executeContext.Arguments.DestinationFilePathVariableName}' with destination file path.");
+            }
+
+            try
+            {
+                var getFile = await storageHandler.GetFileAsync(
+                    executeContext.Arguments.BucketName,
+                    executeContext.Arguments.KeyName,
+                    executeContext.CancellationToken);
+
+                if (!getFile.IsSuccess)
+                {
+                    var errorMessage = string.Join("; ", getFile.Errors);
+                    logger.LogWarning("Failed to download file from bucket. Bucket: {BucketName}, Key: {KeyName}, Errors: {Errors}",
+                        executeContext.Arguments.BucketName,
+                        executeContext.Arguments.KeyName,
+                        errorMessage);
+                    throw new Exception(errorMessage);
+                }
+
+                var destinationDirectory = Path.GetDirectoryName(destinationPath);
+                if (!string.IsNullOrWhiteSpace(destinationDirectory))
+                {
+                    Directory.CreateDirectory(destinationDirectory);
+                }
+
+                using var fileStream = getFile.Value;
+                if (fileStream.CanSeek)
+                    fileStream.Position = 0;
+
+                using var destinationStream = File.Create(destinationPath);
+                await fileStream.CopyToAsync(destinationStream, executeContext.CancellationToken);
+
+                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
+                return executeContext.Completed();
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error downloading file from bucket");
+                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
+                throw;
+            }
+        }
+
+        public Task<CompensationResult> Compensate(CompensateContext<DownloadFileFromBucketLog> compensateContext)
+        {
+            try
+            {
+                if (File.Exists(compensateContext.Log.DestinationFilePath))
+                {
+                    File.Delete(compensateContext.Log.DestinationFilePath);
+                }
+
+                return Task.FromResult(compensateContext.Compensated());
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error compensating downloaded file {DestinationFilePath}", compensateContext.Log.DestinationFilePath);
+                return Task.FromResult(compensateContext.Failed(exception));
+            }
+        }
+    }
+}

Infrastructure/MassTransit/Activities/Files/TransferFilesToBucket.cs

@@ -0,0 +1,109 @@
+using MassTransit;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Domain.Entities;
+using Musify.Infrastructure.Messaging.Activities.Arguments;
+using Musify.Infrastructure.Messaging.Activities.Logs;
+
+namespace Musify.Infrastructure.Messaging.Activities
+{
+    public class TransferFilesToBucket(
+        IStorageHandler storageHandler,
+        ILogger<TransferFilesToBucket> logger,
+        IProcessTrackingStore processTrackingStore)
+        : IActivity<TransferFilesToBucketArguments, TransferFilesToBucketLog>
+    {
+        public const string ExecuteEndpointName = "Transfer-Files-To-Bucket";
+
+        public async Task<ExecutionResult> Execute(ExecuteContext<TransferFilesToBucketArguments> executeContext)
+        {
+            var processId = await processTrackingStore.GetOrCreateProcessAsync(
+                "RoutingSlip",
+                executeContext.CorrelationId ?? executeContext.TrackingNumber,
+                executeContext.ConversationId,
+                executeContext.MessageId,
+                executeContext.CancellationToken);
+
+            var stepId = await processTrackingStore.StartStepAsync(
+                processId,
+                nameof(TransferFilesToBucket),
+                ProcessStepComponentType.Activity,
+                0,
+                executeContext.CancellationToken);
+
+            var folderPath = executeContext.GetVariable<string>(executeContext.Arguments.SourceDirectoryVariableName);
+            if (string.IsNullOrWhiteSpace(folderPath))
+            {
+                throw new InvalidOperationException(
+                    $"Transfer activity requires variable '{executeContext.Arguments.SourceDirectoryVariableName}' with source directory path.");
+            }
+
+            var destinationKeyName = executeContext.Arguments.DestinationKeyName;
+            if (string.IsNullOrWhiteSpace(destinationKeyName) && !string.IsNullOrWhiteSpace(executeContext.Arguments.DestinationKeyNameVariableName))
+            {
+                destinationKeyName = executeContext.GetVariable<string>(executeContext.Arguments.DestinationKeyNameVariableName);
+            }
+
+            if (string.IsNullOrWhiteSpace(destinationKeyName))
+            {
+                throw new InvalidOperationException("Transfer activity requires a destination key name from arguments or variables.");
+            }
+
+            try
+            {
+                var uploadedKeys = Directory.GetFiles(folderPath)
+                    .Select(file => $"{destinationKeyName}/{Path.GetFileName(file)}")
+                    .ToArray();
+
+                var transferFilesResult = await storageHandler.TransferFilesAsync(
+                    folderPath,
+                    executeContext.Arguments.DestinationBucketName,
+                    destinationKeyName,
+                    executeContext.CancellationToken);
+
+                if (!transferFilesResult.IsSuccess)
+                {
+                    var errorMessage = string.Join("; ", transferFilesResult.Errors);
+                    logger.LogWarning("Failed to transfer files from {FolderPath} to bucket {DestinationBucketName}, key {DestinationKeyName}. Errors: {Errors}",
+                        folderPath,
+                        executeContext.Arguments.DestinationBucketName,
+                        destinationKeyName,
+                        errorMessage);
+                    throw new Exception(errorMessage);
+                }
+
+                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
+                return executeContext.Completed();
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error transferring files from {FolderPath} to bucket {DestinationBucketName}",
+                    folderPath,
+                    executeContext.Arguments.DestinationBucketName);
+                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
+                throw;
+            }
+        }
+
+        public async Task<CompensationResult> Compensate(CompensateContext<TransferFilesToBucketLog> compensateContext)
+        {
+            try
+            {
+                foreach (var uploadedKey in compensateContext.Log.UploadedKeys)
+                {
+                    await storageHandler.RemoveFileAsync(
+                        compensateContext.Log.DestinationBucketName,
+                        uploadedKey,
+                        compensateContext.CancellationToken);
+                }
+
+                return compensateContext.Compensated();
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error compensating transferred files to bucket {DestinationBucketName}", compensateContext.Log.DestinationBucketName);
+                return compensateContext.Failed(exception);
+            }
+        }
+    }
+}

Infrastructure/MassTransit/Activities/Pictures/GeneratePictureWorkflowPathsActivity.cs

@@ -0,0 +1,76 @@
+using MassTransit;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Domain.Entities;
+using Musify.Infrastructure.Messaging.Activities.Arguments;
+
+namespace Musify.Infrastructure.Messaging.Activities
+{
+    public class GeneratePictureWorkflowPathsActivity(
+        ILogger<GeneratePictureWorkflowPathsActivity> logger,
+        IProcessTrackingStore processTrackingStore)
+        : IExecuteActivity<GeneratePictureWorkflowPathsArguments>
+    {
+        public const string ExecuteEndpointName = "Generate-Picture-Workflow-Paths";
+
+        public async Task<ExecutionResult> Execute(ExecuteContext<GeneratePictureWorkflowPathsArguments> executeContext)
+        {
+            var processId = await processTrackingStore.GetOrCreateProcessAsync(
+                "RoutingSlip",
+                executeContext.CorrelationId ?? executeContext.TrackingNumber,
+                executeContext.ConversationId,
+                executeContext.MessageId,
+                executeContext.CancellationToken);
+
+            var stepId = await processTrackingStore.StartStepAsync(
+                processId,
+                nameof(GeneratePictureWorkflowPathsActivity),
+                ProcessStepComponentType.Activity,
+                0,
+                executeContext.CancellationToken);
+
+            try
+            {
+                var destinationFolderName = Guid.NewGuid().ToString();
+                var originalFileName = Path.GetFileName(executeContext.Arguments.SourceKeyName);
+                var sourceFileExtension = Path.GetExtension(originalFileName);
+                var workingDirectory = Path.Combine(executeContext.Arguments.TemporaryRootDirectory, destinationFolderName);
+
+
+                var sourceFileName = Guid.NewGuid().ToString() + sourceFileExtension;
+                var smallPictureFileName = Guid.NewGuid().ToString() + sourceFileExtension;
+                var mediumPictureFileName = Guid.NewGuid().ToString() + sourceFileExtension;
+                var largePictureFileName = Guid.NewGuid().ToString() + sourceFileExtension;
+
+                var sourceFilePath = Path.Combine(workingDirectory, sourceFileName);
+                var smallPictureFilePath = Path.Combine(workingDirectory, smallPictureFileName);
+                var mediumPictureFilePath = Path.Combine(workingDirectory, mediumPictureFileName);
+                var largePictureFilePath = Path.Combine(workingDirectory, largePictureFileName);
+
+                Directory.CreateDirectory(workingDirectory);
+
+                logger.LogDebug("Generated picture workflow paths. WorkingDirectory: {WorkingDirectory}, SourceFilePath: {SourceFilePath}",
+                    workingDirectory,
+                    sourceFilePath);
+
+                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
+                return executeContext.CompletedWithVariables(new Dictionary<string, object>
+                {
+                    [RoutingSlipVariableNames.Workflow.TempDirectory] = workingDirectory,
+                    [RoutingSlipVariableNames.Picture.OriginalFilePath] = sourceFilePath,
+                    [RoutingSlipVariableNames.Picture.SmallResizedFilePath] = smallPictureFilePath,
+                    [RoutingSlipVariableNames.Picture.MediumResizedFilePath] = mediumPictureFilePath,
+                    [RoutingSlipVariableNames.Picture.LargeResizedFilePath] = largePictureFilePath,
+                    [RoutingSlipVariableNames.Picture.DestinationFolderName] = destinationFolderName
+                } );
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error generating picture workflow paths for key {SourceKeyName}",
+                    executeContext.Arguments.SourceKeyName);
+                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
+                throw;
+            }
+        }
+    }
+}

Infrastructure/MassTransit/Activities/Pictures/ResizePictureActivity.cs

@@ -0,0 +1,113 @@
+using MassTransit;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Domain.Entities;
+using Musify.Infrastructure.Messaging.Activities.Arguments;
+using Musify.Infrastructure.Messaging.Activities.Logs;
+
+namespace Musify.Infrastructure.Messaging.Activities
+{
+    public class ResizePictureActivity(
+        IPictureHandler pictureHandler,
+        ILogger<ResizePictureActivity> logger,
+        IProcessTrackingStore processTrackingStore)
+        : IActivity<ResizePictureLocalArguments, ResizePictureLog>
+    {
+        public const string ExecuteEndpointName = "Resize-Picture";
+
+        public async Task<ExecutionResult> Execute(ExecuteContext<ResizePictureLocalArguments> executeContext)
+        {
+            var processId = await processTrackingStore.GetOrCreateProcessAsync(
+                "RoutingSlip",
+                executeContext.CorrelationId ?? executeContext.TrackingNumber,
+                executeContext.ConversationId,
+                executeContext.MessageId,
+                executeContext.CancellationToken);
+
+            var stepId = await processTrackingStore.StartStepAsync(
+                processId,
+                nameof(ResizePictureActivity),
+                ProcessStepComponentType.Activity,
+                0,
+                executeContext.CancellationToken);
+
+            var sourceFilePath = executeContext.GetVariable<string>(executeContext.Arguments.SourceFilePathVariableName);
+            var destinationFilePath = executeContext.GetVariable<string>(executeContext.Arguments.DestinationFilePathVariableName);
+
+            if (string.IsNullOrWhiteSpace(sourceFilePath) || string.IsNullOrWhiteSpace(destinationFilePath))
+            {
+                throw new InvalidOperationException("Resize activity requires source and destination file path variables.");
+            }
+
+            try
+            {
+                if (!File.Exists(sourceFilePath))
+                {
+                    logger.LogWarning("Source file not found at {SourceFilePath}", sourceFilePath);
+                    throw new FileNotFoundException($"Source file not found: {sourceFilePath}");
+                }
+
+                await using var fileStream = File.OpenRead(sourceFilePath);
+
+                var resizedPicture = await pictureHandler.ResizePictureAsync(
+                    fileStream,
+                    executeContext.Arguments.Width,
+                    executeContext.Arguments.Height,
+                    executeContext.CancellationToken);
+
+                if (!resizedPicture.IsSuccess)
+                {
+                    var errorMessage = string.Join("; ", resizedPicture.Errors);
+                    logger.LogError("Failed to resize picture {SourceFilePath} to {Width}x{Height}. Errors: {Errors}",
+                        sourceFilePath,
+                        executeContext.Arguments.Width,
+                        executeContext.Arguments.Height,
+                        errorMessage);
+                    throw new Exception(errorMessage);
+                }
+
+                var destinationDirectory = Path.GetDirectoryName(destinationFilePath);
+                if (!string.IsNullOrEmpty(destinationDirectory))
+                {
+                    Directory.CreateDirectory(destinationDirectory);
+                }
+
+                await using var destinationStream = File.Create(destinationFilePath);
+                await resizedPicture.Value.CopyToAsync(destinationStream, executeContext.CancellationToken);
+
+                logger.LogDebug("Picture resized from {SourceFilePath} to {DestinationFilePath} ({Width}x{Height})",
+                    sourceFilePath,
+                    destinationFilePath,
+                    executeContext.Arguments.Width,
+                    executeContext.Arguments.Height);
+
+                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
+                return executeContext.Completed();
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error resizing picture {SourceFilePath}", sourceFilePath);
+                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
+                throw;
+            }
+        }
+
+        public Task<CompensationResult> Compensate(CompensateContext<ResizePictureLog> compensateContext)
+        {
+            try
+            {
+                if (File.Exists(compensateContext.Log.DestinationFilePath))
+                {
+                    File.Delete(compensateContext.Log.DestinationFilePath);
+                }
+
+                return Task.FromResult(compensateContext.Compensated());
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error compensating resized file {DestinationFilePath}", compensateContext.Log.DestinationFilePath);
+                return Task.FromResult(compensateContext.Failed(exception));
+            }
+        }
+    }
+}

Infrastructure/MassTransit/Activities/Pictures/UpdatePlayListPictureActivity.cs

@@ -0,0 +1,107 @@
+using MassTransit;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Domain.Entities;
+using Musify.Infrastructure.Messaging.Activities.Arguments;
+using Musify.Infrastructure.Messaging.Activities.Logs;
+
+namespace Musify.Infrastructure.Messaging.Activities
+{
+    public class UpdatePlayListPictureActivity(
+        IDatabase database,
+        ILogger<UpdatePlayListPictureActivity> logger,
+        IProcessTrackingStore processTrackingStore)
+        : IActivity<UpdatePlayListPictureArguments, UpdatePlayListPictureLog>
+    {
+        public const string ExecuteEndpointName = "Update-PlayList-Picture";
+
+        public async Task<ExecutionResult> Execute(ExecuteContext<UpdatePlayListPictureArguments> executeContext)
+        {
+            var processId = await processTrackingStore.GetOrCreateProcessAsync(
+                "RoutingSlip",
+                executeContext.CorrelationId ?? executeContext.TrackingNumber,
+                executeContext.ConversationId,
+                executeContext.MessageId,
+                executeContext.CancellationToken);
+
+            var stepId = await processTrackingStore.StartStepAsync(
+                processId,
+                nameof(UpdatePlayListPictureActivity),
+                ProcessStepComponentType.Activity,
+                0,
+                executeContext.CancellationToken);
+
+            try
+            {
+                var playList = await database.PlayLists.FindAsync(
+                    [executeContext.Arguments.PlayListId],
+                    cancellationToken: executeContext.CancellationToken);
+
+                if (playList is null)
+                {
+                    logger.LogWarning("PlayList with id {PlayListId} not found",
+                        executeContext.Arguments.PlayListId);
+                    throw new InvalidOperationException($"PlayList with id {executeContext.Arguments.PlayListId} not found");
+                }
+
+                var log = new UpdatePlayListPictureLog(
+                    playList.Id,
+                    playList.OriginalPictureKeyName,
+                    playList.SmallPictureKeyName,
+                    playList.MediumPictureKeyName,
+                    playList.LargePictureKeyName);
+
+                playList.OriginalPictureKeyName = executeContext.Arguments.OriginalPictureKeyName;
+                playList.SmallPictureKeyName = executeContext.Arguments.SmallPictureKeyName;
+                playList.MediumPictureKeyName = executeContext.Arguments.MediumPictureKeyName;
+                playList.LargePictureKeyName = executeContext.Arguments.LargePictureKeyName;
+
+                database.PlayLists.Update(playList);
+                await database.SaveChangesAsync(executeContext.CancellationToken);
+
+                logger.LogInformation("Updated PlayList {PlayListId} pictures",
+                    executeContext.Arguments.PlayListId);
+
+                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
+                return executeContext.Completed();
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error updating PlayList {PlayListId} pictures",
+                    executeContext.Arguments.PlayListId);
+                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
+                throw;
+            }
+        }
+
+        public async Task<CompensationResult> Compensate(CompensateContext<UpdatePlayListPictureLog> compensateContext)
+        {
+            try
+            {
+                var playList = await database.PlayLists.FindAsync(
+                    [compensateContext.Log.PlayListId],
+                    cancellationToken: compensateContext.CancellationToken);
+
+                if (playList is null)
+                {
+                    return compensateContext.Compensated();
+                }
+
+                playList.OriginalPictureKeyName = compensateContext.Log.PreviousOriginalPictureKeyName;
+                playList.SmallPictureKeyName = compensateContext.Log.PreviousSmallPictureKeyName;
+                playList.MediumPictureKeyName = compensateContext.Log.PreviousMediumPictureKeyName;
+                playList.LargePictureKeyName = compensateContext.Log.PreviousLargePictureKeyName;
+
+                database.PlayLists.Update(playList);
+                await database.SaveChangesAsync(compensateContext.CancellationToken);
+
+                return compensateContext.Compensated();
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error compensating PlayList {PlayListId} pictures", compensateContext.Log.PlayListId);
+                return compensateContext.Failed(exception);
+            }
+        }
+    }
+}

Infrastructure/MassTransit/Activities/Pictures/UpdateTrackPictureActivity.cs

@@ -0,0 +1,107 @@
+using MassTransit;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Domain.Entities;
+using Musify.Infrastructure.Messaging.Activities.Arguments;
+using Musify.Infrastructure.Messaging.Activities.Logs;
+
+namespace Musify.Infrastructure.Messaging.Activities
+{
+    public class UpdateTrackPictureActivity(
+        IDatabase database,
+        ILogger<UpdateTrackPictureActivity> logger,
+        IProcessTrackingStore processTrackingStore)
+        : IActivity<UpdateTrackPictureArguments, UpdateTrackPictureLog>
+    {
+        public const string ExecuteEndpointName = "Update-Track-Picture";
+
+        public async Task<ExecutionResult> Execute(ExecuteContext<UpdateTrackPictureArguments> executeContext)
+        {
+            var processId = await processTrackingStore.GetOrCreateProcessAsync(
+                "RoutingSlip",
+                executeContext.CorrelationId ?? executeContext.TrackingNumber,
+                executeContext.ConversationId,
+                executeContext.MessageId,
+                executeContext.CancellationToken);
+
+            var stepId = await processTrackingStore.StartStepAsync(
+                processId,
+                nameof(UpdateTrackPictureActivity),
+                ProcessStepComponentType.Activity,
+                0,
+                executeContext.CancellationToken);
+
+            try
+            {
+                var track = await database.Tracks.FindAsync(
+                    [executeContext.Arguments.TrackId],
+                    cancellationToken: executeContext.CancellationToken);
+
+                if (track is null)
+                {
+                    logger.LogWarning("Track with id {TrackId} not found",
+                        executeContext.Arguments.TrackId);
+                    throw new InvalidOperationException($"Track with id {executeContext.Arguments.TrackId} not found");
+                }
+
+                var log = new UpdateTrackPictureLog(
+                    track.Id,
+                    track.OriginalPictureKeyName,
+                    track.SmallPictureKeyName,
+                    track.MediumPictureKeyName,
+                    track.LargePictureKeyName);
+
+                track.OriginalPictureKeyName = executeContext.Arguments.OriginalPictureKeyName;
+                track.SmallPictureKeyName = executeContext.Arguments.SmallPictureKeyName;
+                track.MediumPictureKeyName = executeContext.Arguments.MediumPictureKeyName;
+                track.LargePictureKeyName = executeContext.Arguments.LargePictureKeyName;
+
+                database.Tracks.Update(track);
+                await database.SaveChangesAsync(executeContext.CancellationToken);
+
+                logger.LogInformation("Updated Track {TrackId} pictures",
+                    executeContext.Arguments.TrackId);
+
+                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
+                return executeContext.Completed();
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error updating Track {TrackId} pictures",
+                    executeContext.Arguments.TrackId);
+                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
+                throw;
+            }
+        }
+
+        public async Task<CompensationResult> Compensate(CompensateContext<UpdateTrackPictureLog> compensateContext)
+        {
+            try
+            {
+                var track = await database.Tracks.FindAsync(
+                    [compensateContext.Log.TrackId],
+                    cancellationToken: compensateContext.CancellationToken);
+
+                if (track is null)
+                {
+                    return compensateContext.Compensated();
+                }
+
+                track.OriginalPictureKeyName = compensateContext.Log.PreviousOriginalPictureKeyName;
+                track.SmallPictureKeyName = compensateContext.Log.PreviousSmallPictureKeyName;
+                track.MediumPictureKeyName = compensateContext.Log.PreviousMediumPictureKeyName;
+                track.LargePictureKeyName = compensateContext.Log.PreviousLargePictureKeyName;
+
+                database.Tracks.Update(track);
+                await database.SaveChangesAsync(compensateContext.CancellationToken);
+
+                return compensateContext.Compensated();
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error compensating Track {TrackId} pictures", compensateContext.Log.TrackId);
+                return compensateContext.Failed(exception);
+            }
+        }
+    }
+}

Infrastructure/MassTransit/Arguments/DownloadFileFromBucketArguments.cs

@@ -3,5 +3,5 @@
     public record DownloadFileFromBucketArguments(
         string BucketName,
         string KeyName,
-        string DestinationPath);
+        string DestinationFilePathVariableName);
 }

Infrastructure/MassTransit/Arguments/GenerateAudioWorkflowPathsArguments.cs

@@ -0,0 +1,6 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record GenerateAudioWorkflowPathsArguments(
+        string TemporaryRootDirectory,
+        string SourceKeyName);
+}

Infrastructure/MassTransit/Arguments/GeneratePictureWorkflowPathsArguments.cs

@@ -0,0 +1,9 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record GeneratePictureWorkflowPathsArguments(
+        string TemporaryRootDirectory,
+        string SourceKeyName,
+        string SmallPictureKeyName,
+        string MediumPictureKeyName,
+        string LargePictureKeyName);
+}

Infrastructure/MassTransit/Arguments/ResizePictureLocalArguments.cs

@@ -1,8 +1,8 @@
 namespace Musify.Infrastructure.Messaging.Activities.Arguments
 {
     public record ResizePictureLocalArguments(
-        string SourceFilePath,
-        string DestinationFilePath,
+        string SourceFilePathVariableName,
+        string DestinationFilePathVariableName,
         int Width,
         int Height);
 }

Infrastructure/MassTransit/Arguments/TranscodeDashAudioArguments.cs

@@ -0,0 +1,6 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record TranscodeDashAudioArguments(
+        string SourceFilePathVariableName,
+        string WorkingDirectoryVariableName);
+}

Infrastructure/MassTransit/Arguments/TransferFilesToBucketArguments.cs

@@ -2,5 +2,7 @@
 {
     public record TransferFilesToBucketArguments(
         string DestinationBucketName,
-        string DestinationKeyName);
+        string SourceDirectoryVariableName,
+        string? DestinationKeyName = null,
+        string? DestinationKeyNameVariableName = null);
 }

Infrastructure/MassTransit/Arguments/UpdatePlayListPictureArguments.cs

@@ -2,6 +2,7 @@
 {
     public record UpdatePlayListPictureArguments(
         Guid PlayListId,
+        string OriginalPictureKeyName,
         string SmallPictureKeyName,
         string MediumPictureKeyName,
         string LargePictureKeyName);

Infrastructure/MassTransit/Arguments/UpdateTrackPictureArguments.cs

@@ -2,6 +2,7 @@
 {
     public record UpdateTrackPictureArguments(
         Guid TrackId,
+        string OriginalPictureKeyName,
         string SmallPictureKeyName,
         string MediumPictureKeyName,
         string LargePictureKeyName);

Infrastructure/MassTransit/Consumers/MessagingHelper.cs

@@ -3,5 +3,7 @@ namespace Musify.Infrastructure.Messaging.Consumers
     internal static class MessagingHelper
     {
         internal static Uri BuildExecuteActivityUri(string endpointName) => new($"queue:{endpointName}_execute");
+
+        internal static Uri BuildCompensateActivityUri(string endpointName) => new($"queue:{endpointName}_compensate");
     }
 }

Infrastructure/MassTransit/Consumers/RemoveFileConsumer.cs

@@ -0,0 +1,23 @@
+using MassTransit;
+using Musify.Application.Events;
+using Musify.Infrastructure.Messaging.RoutingSlip.Builders;
+
+namespace Musify.Infrastructure.Messaging.Consumers
+{
+    public class RemoveFileConsumer(
+        IBus bus,
+        RemoveFileRoutingSlipBuilder routingSlipBuilder)
+        : IConsumer<RemoveFileEvent>
+    {
+        public const string QueueName = "Remove-File";
+
+        public async Task Consume(ConsumeContext<RemoveFileEvent> consumeContext)
+        {
+            var routingSlip = routingSlipBuilder
+                .Build(consumeContext.Message, consumeContext.CorrelationId)
+                .Build();
+
+            await bus.Execute(routingSlip);
+        }
+    }
+}

Infrastructure/MassTransit/Consumers/TranscodeAudioFromTrackConsumer.cs

@@ -0,0 +1,23 @@
+using MassTransit;
+using Musify.Application.Events;
+using Musify.Infrastructure.Messaging.RoutingSlip.Builders;
+
+namespace Musify.Infrastructure.Messaging.Consumers
+{
+    public class TranscodeAudioFromTrackConsumer(
+        IBus bus,
+        AudioWorkflowRoutingSlipBuilder routingSlipBuilder)
+        : IConsumer<TranscodeAudioFromTrackEvent>
+    {
+        public const string QueueName = "Transcode-Audio-From-Track";
+
+        public async Task Consume(ConsumeContext<TranscodeAudioFromTrackEvent> consumeContext)
+        {
+            var routingSlip = routingSlipBuilder
+                .Build(consumeContext.Message, consumeContext.CorrelationId)
+                .Build();
+
+            await bus.Execute(routingSlip);
+        }
+    }
+}

Infrastructure/MassTransit/Consumers/UpdatePlayListPictureConsumer.cs

@@ -0,0 +1,23 @@
+using MassTransit;
+using Musify.Application.Events;
+using Musify.Infrastructure.Messaging.RoutingSlip.Builders;
+
+namespace Musify.Infrastructure.Messaging.Consumers
+{
+    public class UpdatePlayListPictureConsumer(
+        IBus bus,
+        PictureWorkflowRoutingSlipBuilder routingSlipBuilder)
+        : IConsumer<UpdatePlayListPictureEvent>
+    {
+        public const string QueueName = "Update-PlayList-Picture";
+
+        public async Task Consume(ConsumeContext<UpdatePlayListPictureEvent> consumeContext)
+        {
+            var routingSlip = routingSlipBuilder
+                .Build(consumeContext.Message, consumeContext.CorrelationId)
+                .Build();
+
+            await bus.Execute(routingSlip);
+        }
+    }
+}

Infrastructure/MassTransit/Consumers/UpdateTrackPictureConsumer.cs

@@ -0,0 +1,23 @@
+using MassTransit;
+using Musify.Application.Events;
+using Musify.Infrastructure.Messaging.RoutingSlip.Builders;
+
+namespace Musify.Infrastructure.Messaging.Consumers
+{
+    public class UpdateTrackPictureConsumer(
+        IBus bus,
+        PictureWorkflowRoutingSlipBuilder routingSlipBuilder)
+        : IConsumer<UpdateTrackPictureEvent>
+    {
+        public const string QueueName = "Update-Track-Picture";
+
+        public async Task Consume(ConsumeContext<UpdateTrackPictureEvent> consumeContext)
+        {
+            var routingSlip = routingSlipBuilder
+                .Build(consumeContext.Message, consumeContext.CorrelationId)
+                .Build();
+
+            await bus.Execute(routingSlip);
+        }
+    }
+}

Infrastructure/MassTransit/DependencyInjection/MessagingDependencyInjection.cs

@@ -0,0 +1,173 @@
+using MassTransit;
+using Microsoft.Extensions.DependencyInjection;
+using Musify.Infrastructure.Configuration;
+using Musify.Infrastructure.Messaging.Activities;
+using Musify.Infrastructure.Messaging.Activities.Arguments;
+using Musify.Infrastructure.Messaging.Activities.Logs;
+using Musify.Infrastructure.Messaging.Consumers;
+using Musify.Infrastructure.Messaging.Filters;
+using Musify.Infrastructure.Messaging.RoutingSlip.Builders;
+
+namespace Musify.Infrastructure.Messaging
+{
+    public static class MessagingDependencyInjection
+    {
+        public static IServiceCollection AddMassTransitClient(this IServiceCollection serviceDescriptors)
+        {
+            serviceDescriptors.AddMassTransit(options =>
+            {
+                options.UsingRabbitMq((busRegistrationContext, busFactoryConfigurator) =>
+                    ConfigureRabbitMqHost(
+                        busFactoryConfigurator,
+                        busRegistrationContext.GetRequiredService<MessagingConfiguration>()));
+            } );
+
+            return serviceDescriptors;
+        }
+
+        public static IServiceCollection AddMassTransitConsumers(this IServiceCollection serviceDescriptors)
+        {
+            serviceDescriptors.AddScoped<AudioWorkflowRoutingSlipBuilder>();
+            serviceDescriptors.AddScoped<PictureWorkflowRoutingSlipBuilder>();
+            serviceDescriptors.AddScoped<RemoveFileRoutingSlipBuilder>();
+
+            serviceDescriptors.AddMassTransit(options =>
+            {
+                options.AddConsumer<UpdatePlayListPictureConsumer>();
+                options.AddConsumer<RemoveFileConsumer>();
+                options.AddConsumer<TranscodeAudioFromTrackConsumer>();
+                options.AddConsumer<UpdateTrackPictureConsumer>();
+
+                options.AddExecuteActivity<RemoveFileFromBucketActivity, RemoveFileFromBucketArguments>();
+                options.AddExecuteActivity<GenerateAudioWorkflowPathsActivity, GenerateAudioWorkflowPathsArguments>();
+                options.AddExecuteActivity<GeneratePictureWorkflowPathsActivity, GeneratePictureWorkflowPathsArguments>();
+
+                options.AddActivity<ResizePictureActivity, ResizePictureLocalArguments, ResizePictureLog>();
+                options.AddActivity<UpdatePlayListPictureActivity, UpdatePlayListPictureArguments, UpdatePlayListPictureLog>();
+                options.AddActivity<UpdateTrackPictureActivity, UpdateTrackPictureArguments, UpdateTrackPictureLog>();
+                options.AddActivity<DownloadFileFromBucketActivity, DownloadFileFromBucketArguments, DownloadFileFromBucketLog>();
+                options.AddActivity<TranscodeDashAudioActivity, TranscodeDashAudioArguments, TranscodeDashAudioLog>();
+                options.AddActivity<TransferFilesToBucket, TransferFilesToBucketArguments, TransferFilesToBucketLog>();
+
+                options.UsingRabbitMq((busRegistrationContext, busFactoryConfigurator) =>
+                {
+                    ConfigureRabbitMqHost(
+                        busFactoryConfigurator,
+                        busRegistrationContext.GetRequiredService<MessagingConfiguration>());
+
+                    busFactoryConfigurator.UseConsumeFilter(typeof(ProcessTrackingConsumeFilter<>), busRegistrationContext);
+
+                    busFactoryConfigurator.ReceiveEndpoint(UpdatePlayListPictureConsumer.QueueName, endpointConfigurator =>
+                    {
+                        endpointConfigurator.ConfigureConsumer<UpdatePlayListPictureConsumer>(busRegistrationContext);
+                    } );
+
+                    busFactoryConfigurator.ReceiveEndpoint(RemoveFileConsumer.QueueName, endpointConfigurator =>
+                    {
+                        endpointConfigurator.ConfigureConsumer<RemoveFileConsumer>(busRegistrationContext);
+                    } );
+
+                    busFactoryConfigurator.ReceiveEndpoint(TranscodeAudioFromTrackConsumer.QueueName, endpointConfigurator =>
+                    {
+                        endpointConfigurator.ConfigureConsumer<TranscodeAudioFromTrackConsumer>(busRegistrationContext);
+                    } );
+
+                    busFactoryConfigurator.ReceiveEndpoint(UpdateTrackPictureConsumer.QueueName, endpointConfigurator =>
+                    {
+                        endpointConfigurator.ConfigureConsumer<UpdateTrackPictureConsumer>(busRegistrationContext);
+                    } );
+
+                    ConfigureExecuteActivityEndpoint<RemoveFileFromBucketActivity, RemoveFileFromBucketArguments>(
+                        busFactoryConfigurator,
+                        busRegistrationContext,
+                        RemoveFileFromBucketActivity.ExecuteEndpointName);
+
+                    ConfigureExecuteActivityEndpoint<GenerateAudioWorkflowPathsActivity, GenerateAudioWorkflowPathsArguments>(
+                        busFactoryConfigurator,
+                        busRegistrationContext,
+                        GenerateAudioWorkflowPathsActivity.ExecuteEndpointName);
+
+                    ConfigureExecuteActivityEndpoint<GeneratePictureWorkflowPathsActivity, GeneratePictureWorkflowPathsArguments>(
+                        busFactoryConfigurator,
+                        busRegistrationContext,
+                        GeneratePictureWorkflowPathsActivity.ExecuteEndpointName);
+
+                    ConfigureActivityEndpoint<ResizePictureActivity, ResizePictureLocalArguments, ResizePictureLog>(
+                        busFactoryConfigurator,
+                        busRegistrationContext,
+                        ResizePictureActivity.ExecuteEndpointName);
+
+                    ConfigureActivityEndpoint<UpdatePlayListPictureActivity, UpdatePlayListPictureArguments, UpdatePlayListPictureLog>(
+                        busFactoryConfigurator,
+                        busRegistrationContext,
+                        UpdatePlayListPictureActivity.ExecuteEndpointName);
+
+                    ConfigureActivityEndpoint<UpdateTrackPictureActivity, UpdateTrackPictureArguments, UpdateTrackPictureLog>(
+                        busFactoryConfigurator,
+                        busRegistrationContext,
+                        UpdateTrackPictureActivity.ExecuteEndpointName);
+
+                    ConfigureActivityEndpoint<DownloadFileFromBucketActivity, DownloadFileFromBucketArguments, DownloadFileFromBucketLog>(
+                        busFactoryConfigurator,
+                        busRegistrationContext,
+                        DownloadFileFromBucketActivity.ExecuteEndpointName);
+
+                    ConfigureActivityEndpoint<TranscodeDashAudioActivity, TranscodeDashAudioArguments, TranscodeDashAudioLog>(
+                        busFactoryConfigurator,
+                        busRegistrationContext,
+                        TranscodeDashAudioActivity.ExecuteEndpointName);
+
+                    ConfigureActivityEndpoint<TransferFilesToBucket, TransferFilesToBucketArguments, TransferFilesToBucketLog>(
+                        busFactoryConfigurator,
+                        busRegistrationContext,
+                        TransferFilesToBucket.ExecuteEndpointName);
+                } );
+            } );
+
+            return serviceDescriptors;
+        }
+
+        static void ConfigureRabbitMqHost(
+            IRabbitMqBusFactoryConfigurator busFactoryConfigurator,
+            MessagingConfiguration massTransitConfiguration)
+        {
+            busFactoryConfigurator.Host(massTransitConfiguration.Host, options =>
+            {
+                options.Username(massTransitConfiguration.Username);
+                options.Password(massTransitConfiguration.Password);
+            } );
+        }
+
+        static void ConfigureExecuteActivityEndpoint<TActivity, TArguments>(
+            IRabbitMqBusFactoryConfigurator busFactoryConfigurator,
+            IBusRegistrationContext busRegistrationContext,
+            string endpointName)
+            where TActivity : class, IExecuteActivity<TArguments>
+            where TArguments : class
+        {
+            busFactoryConfigurator.ReceiveEndpoint($"{endpointName}_execute", endpointConfigurator =>
+            {
+                endpointConfigurator.ExecuteActivityHost<TActivity, TArguments>(busRegistrationContext);
+            } );
+        }
+
+        static void ConfigureActivityEndpoint<TActivity, TArguments, TLog>(
+            IRabbitMqBusFactoryConfigurator busFactoryConfigurator,
+            IBusRegistrationContext busRegistrationContext,
+            string endpointName)
+            where TActivity : class, IActivity<TArguments, TLog>
+            where TArguments : class
+            where TLog : class
+        {
+            busFactoryConfigurator.ReceiveEndpoint($"{endpointName}_execute", endpointConfigurator =>
+            {
+                endpointConfigurator.ExecuteActivityHost<TActivity, TArguments>(busRegistrationContext);
+            } );
+
+            busFactoryConfigurator.ReceiveEndpoint($"{endpointName}_compensate", endpointConfigurator =>
+            {
+                endpointConfigurator.CompensateActivityHost<TActivity, TLog>(busRegistrationContext);
+            } );
+        }
+    }
+}

Infrastructure/MassTransit/Logs/UpdatePlayListPictureLog.cs

@@ -2,7 +2,8 @@ namespace Musify.Infrastructure.Messaging.Activities.Logs
 {
     public record UpdatePlayListPictureLog(
         Guid PlayListId,
-        string? PreviousSmallPictureKeyName,
-        string? PreviousMediumPictureKeyName,
-        string? PreviousLargePictureKeyName);
+        string PreviousOriginalPictureKeyName,
+        string PreviousSmallPictureKeyName,
+        string PreviousMediumPictureKeyName,
+        string PreviousLargePictureKeyName);
 }

Infrastructure/MassTransit/Logs/UpdateTrackPictureLog.cs

@@ -2,7 +2,8 @@ namespace Musify.Infrastructure.Messaging.Activities.Logs
 {
     public record UpdateTrackPictureLog(
         Guid TrackId,
-        string? PreviousSmallPictureKeyName,
-        string? PreviousMediumPictureKeyName,
-        string? PreviousLargePictureKeyName);
+        string PreviousOriginalPictureKeyName,
+        string PreviousSmallPictureKeyName,
+        string PreviousMediumPictureKeyName,
+        string PreviousLargePictureKeyName);
 }

Infrastructure/MassTransit/RoutingSlip/ActivityNames.cs

@@ -0,0 +1,18 @@
+namespace Musify.Infrastructure.Messaging.RoutingSlip
+{
+    internal static class ActivityNames
+    {
+        internal const string GenerateAudioWorkflowPaths = "GenerateAudioWorkflowPaths";
+        internal const string GeneratePictureWorkflowPaths = "GeneratePictureWorkflowPaths";
+        internal const string DownloadFile = "DownloadFile";
+        internal const string TranscodeAudio = "TranscodeAudio";
+        internal const string ResizeSmall = "ResizeSmall";
+        internal const string ResizeMedium = "ResizeMedium";
+        internal const string ResizeLarge = "ResizeLarge";
+        internal const string UploadFiles = "UploadFiles";
+        internal const string RemoveFile = "RemoveFile";
+        internal const string DeleteOriginal = "DeleteOriginal";
+        internal const string UpdateTrackPicture = "UpdateTrackPicture";
+        internal const string UpdatePlayListPicture = "UpdatePlayListPicture";
+    }
+}

Infrastructure/MassTransit/RoutingSlip/Builders/AudioWorkflowRoutingSlipBuilder.cs

@@ -0,0 +1,50 @@
+using MassTransit;
+using Musify.Application.Events;
+using Musify.Infrastructure.Configuration;
+using Musify.Infrastructure.Messaging.Activities;
+using Musify.Infrastructure.Messaging.Activities.Arguments;
+
+namespace Musify.Infrastructure.Messaging.RoutingSlip.Builders
+{
+    public class AudioWorkflowRoutingSlipBuilder(WorkerConfiguration workerConfiguration)
+    {
+        public RoutingSlipBuilder Build(TranscodeAudioFromTrackEvent message, Guid? correlationId)
+        {
+            var routingSlipBuilder = new RoutingSlipBuilder(NewId.NextGuid());
+
+            routingSlipBuilder.AddVariable(RoutingSlipVariableNames.Workflow.CorrelationId, correlationId ?? Guid.Empty);
+
+            routingSlipBuilder.AddActivity(
+                ActivityNames.GenerateAudioWorkflowPaths,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(GenerateAudioWorkflowPathsActivity.ExecuteEndpointName),
+                new GenerateAudioWorkflowPathsArguments(
+                    workerConfiguration.Routes.TemporaryFilesDirectory,
+                    message.SourceKeyName));
+
+            routingSlipBuilder.AddActivity(
+                ActivityNames.DownloadFile,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(DownloadFileFromBucketActivity.ExecuteEndpointName),
+                new DownloadFileFromBucketArguments(
+                    message.SourceBucketName,
+                    message.SourceKeyName,
+                    RoutingSlipVariableNames.Audio.SourceFilePath));
+
+            routingSlipBuilder.AddActivity(
+                ActivityNames.TranscodeAudio,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(TranscodeDashAudioActivity.ExecuteEndpointName),
+                new TranscodeDashAudioArguments(
+                    RoutingSlipVariableNames.Audio.SourceFilePath,
+                    RoutingSlipVariableNames.Workflow.TempDirectory));
+
+            routingSlipBuilder.AddActivity(
+                ActivityNames.UploadFiles,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(TransferFilesToBucket.ExecuteEndpointName),
+                new TransferFilesToBucketArguments(
+                    message.DestinationBucketName,
+                    RoutingSlipVariableNames.Audio.TranscodedDirectory,
+                    message.DestinationKeyName));
+
+            return routingSlipBuilder;
+        }
+    }
+}

Infrastructure/MassTransit/RoutingSlip/Builders/PictureWorkflowRoutingSlipBuilder.cs

@@ -0,0 +1,159 @@
+using MassTransit;
+using Musify.Application.Events;
+using Musify.Infrastructure.Configuration;
+using Musify.Infrastructure.Messaging.Activities;
+using Musify.Infrastructure.Messaging.Activities.Arguments;
+
+namespace Musify.Infrastructure.Messaging.RoutingSlip.Builders
+{
+    public class PictureWorkflowRoutingSlipBuilder(WorkerConfiguration workerConfiguration)
+    {
+        public RoutingSlipBuilder Build(UpdateTrackPictureEvent message, Guid? correlationId)
+        {
+            var routingSlipBuilder = BuildPictureWorkflow(
+                message.SourceBucketName,
+                message.SourceKeyName,
+                message.SmallPictureKeyName,
+                message.SmallPictureWidth,
+                message.SmallPictureHeight,
+                message.MediumPictureKeyName,
+                message.MediumPictureWidth,
+                message.MediumPictureHeight,
+                message.LargePictureKeyName,
+                message.LargePictureWidth,
+                message.LargePictureHeight,
+                correlationId);
+
+            routingSlipBuilder.AddActivity(
+                ActivityNames.UpdateTrackPicture,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(UpdateTrackPictureActivity.ExecuteEndpointName),
+                new UpdateTrackPictureArguments(
+                    message.TrackId,
+                    message.SourceKeyName,
+                    message.SmallPictureKeyName,
+                    message.MediumPictureKeyName,
+                    message.LargePictureKeyName));
+
+            return routingSlipBuilder;
+        }
+
+        public RoutingSlipBuilder Build(UpdatePlayListPictureEvent message, Guid? correlationId)
+        {
+            var routingSlipBuilder = BuildPictureWorkflow(
+                message.SourceBucketName,
+                message.SourceKeyName,
+                message.SmallPictureKeyName,
+                message.SmallPictureWidth,
+                message.SmallPictureHeight,
+                message.MediumPictureKeyName,
+                message.MediumPictureWidth,
+                message.MediumPictureHeight,
+                message.LargePictureKeyName,
+                message.LargePictureWidth,
+                message.LargePictureHeight,
+                correlationId);
+
+            routingSlipBuilder.AddActivity(
+                ActivityNames.UpdatePlayListPicture,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(UpdatePlayListPictureActivity.ExecuteEndpointName),
+                new UpdatePlayListPictureArguments(
+                    message.PlayListId,
+                    message.SourceKeyName,
+                    message.SmallPictureKeyName,
+                    message.MediumPictureKeyName,
+                    message.LargePictureKeyName));
+
+            return routingSlipBuilder;
+        }
+
+        RoutingSlipBuilder BuildPictureWorkflow(
+            string sourceBucketName,
+            string sourceKeyName,
+            string smallPictureKeyName,
+            int smallPictureWidth,
+            int smallPictureHeight,
+            string mediumPictureKeyName,
+            int mediumPictureWidth,
+            int mediumPictureHeight,
+            string largePictureKeyName,
+            int largePictureWidth,
+            int largePictureHeight,
+            Guid? correlationId)
+        {
+            var routingSlipBuilder = new RoutingSlipBuilder(NewId.NextGuid());
+
+            routingSlipBuilder.AddVariable(RoutingSlipVariableNames.Workflow.CorrelationId, correlationId ?? Guid.Empty);
+
+            routingSlipBuilder.AddActivity(
+                ActivityNames.GeneratePictureWorkflowPaths,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(GeneratePictureWorkflowPathsActivity.ExecuteEndpointName),
+                new GeneratePictureWorkflowPathsArguments(
+                    workerConfiguration.Routes.TemporaryFilesDirectory,
+                    sourceKeyName,
+                    smallPictureKeyName,
+                    mediumPictureKeyName,
+                    largePictureKeyName));
+
+            routingSlipBuilder.AddActivity(
+                ActivityNames.DownloadFile,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(DownloadFileFromBucketActivity.ExecuteEndpointName),
+                new DownloadFileFromBucketArguments(
+                    sourceBucketName,
+                    sourceKeyName,
+                    RoutingSlipVariableNames.Picture.OriginalFilePath));
+
+            AddResizeActivity(
+                routingSlipBuilder,
+                ActivityNames.ResizeSmall,
+                RoutingSlipVariableNames.Picture.SmallResizedFilePath,
+                smallPictureWidth,
+                smallPictureHeight);
+
+            AddResizeActivity(
+                routingSlipBuilder,
+                ActivityNames.ResizeMedium,
+                RoutingSlipVariableNames.Picture.MediumResizedFilePath,
+                mediumPictureWidth,
+                mediumPictureHeight);
+
+            AddResizeActivity(
+                routingSlipBuilder,
+                ActivityNames.ResizeLarge,
+                RoutingSlipVariableNames.Picture.LargeResizedFilePath,
+                largePictureWidth,
+                largePictureHeight);
+
+            routingSlipBuilder.AddActivity(
+                ActivityNames.DeleteOriginal,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(RemoveFileFromBucketActivity.ExecuteEndpointName),
+                new RemoveFileFromBucketArguments(sourceBucketName, sourceKeyName));
+
+            routingSlipBuilder.AddActivity(
+                ActivityNames.UploadFiles,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(TransferFilesToBucket.ExecuteEndpointName),
+                new TransferFilesToBucketArguments(
+                    sourceBucketName,
+                    RoutingSlipVariableNames.Workflow.TempDirectory,
+                    DestinationKeyNameVariableName: RoutingSlipVariableNames.Picture.DestinationFolderName));
+
+            return routingSlipBuilder;
+        }
+
+        static void AddResizeActivity(
+            RoutingSlipBuilder routingSlipBuilder,
+            string activityName,
+            string destinationFilePathVariableName,
+            int width,
+            int height)
+        {
+            routingSlipBuilder.AddActivity(
+                activityName,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(ResizePictureActivity.ExecuteEndpointName),
+                new ResizePictureLocalArguments(
+                    RoutingSlipVariableNames.Picture.OriginalFilePath,
+                    destinationFilePathVariableName,
+                    width,
+                    height));
+        }
+    }
+}

Infrastructure/MassTransit/RoutingSlip/Builders/RemoveFileRoutingSlipBuilder.cs

@@ -0,0 +1,25 @@
+using MassTransit;
+using Musify.Application.Events;
+using Musify.Infrastructure.Messaging.Activities;
+
+namespace Musify.Infrastructure.Messaging.RoutingSlip.Builders
+{
+    public class RemoveFileRoutingSlipBuilder
+    {
+        public RoutingSlipBuilder Build(RemoveFileEvent message, Guid? correlationId)
+        {
+            var routingSlipBuilder = new RoutingSlipBuilder(NewId.NextGuid());
+
+            routingSlipBuilder.AddVariable(RoutingSlipVariableNames.Workflow.CorrelationId, correlationId ?? Guid.Empty);
+
+            routingSlipBuilder.AddActivity(
+                ActivityNames.RemoveFile,
+                Consumers.MessagingHelper.BuildExecuteActivityUri(RemoveFileFromBucketActivity.ExecuteEndpointName),
+                new Activities.Arguments.RemoveFileFromBucketArguments(
+                    message.BucketName,
+                    message.KeyName));
+
+            return routingSlipBuilder;
+        }
+    }
+}

Infrastructure/MassTransit/RoutingSlip/Variables/RoutingSlipVariableNames.cs

@@ -0,0 +1,27 @@
+namespace Musify.Infrastructure.Messaging
+{
+    internal static class RoutingSlipVariableNames
+    {
+        internal static class Workflow
+        {
+            internal const string TempDirectory = "Workflow.TempDirectory";
+            internal const string CorrelationId = "Workflow.CorrelationId";
+        }
+
+        internal static class Audio
+        {
+            internal const string SourceFilePath = "Audio.SourceFilePath";
+            internal const string WorkingDirectory = "Audio.WorkingDirectory";
+            internal const string TranscodedDirectory = "Audio.TranscodedDirectory";
+        }
+
+        internal static class Picture
+        {
+            internal const string OriginalFilePath = "Picture.OriginalFilePath";
+            internal const string SmallResizedFilePath = "Picture.SmallResizedFilePath";
+            internal const string MediumResizedFilePath = "Picture.MediumResizedFilePath";
+            internal const string LargeResizedFilePath = "Picture.LargeResizedFilePath";
+            internal const string DestinationFolderName = "Picture.DestinationFolderName";
+        }
+    }
+}

Infrastructure/Messaging/Activities/Arguments/CopyFileArguments.cs

@@ -1,8 +0,0 @@
-namespace Musify.Infrastructure.Messaging.Activities.Arguments
-{
-    public record CopyFileArguments(
-        string SourceBucketName,
-        string SourceKeyName,
-        string DestinationBucketName,
-        string DestinationKeyName);
-}

Infrastructure/Messaging/Activities/Arguments/ResizePictureArgument.cs

@@ -1,10 +0,0 @@
-namespace Musify.Infrastructure.Messaging.Activities.Arguments
-{
-    public record ResizePictureArgument(
-        string OriginalBucketName,
-        string OriginalKeyName,
-        string DestinationBucketName,
-        string DestinationKeyName,
-        int Width,
-        int Height);
-}

Infrastructure/Messaging/Activities/Arguments/TranscodeDashAudioArguments.cs

@@ -1,4 +0,0 @@
-namespace Musify.Infrastructure.Messaging.Activities.Arguments
-{
-    public record TranscodeDashAudioArguments();
-}

Infrastructure/Messaging/Activities/DownloadFileFromBucketActivity.cs

@@ -1,80 +0,0 @@
-using MassTransit;
-using Microsoft.Extensions.Logging;
-using Musify.Application.Contracts.Infrastructure;
-using Musify.Domain.Entities;
-using Musify.Infrastructure.Messaging.Activities.Arguments;
-
-namespace Musify.Infrastructure.Messaging.Activities
-{
-    public class DownloadFileFromBucketActivity(
-        IStorageHandler storageHandler,
-        ILogger<DownloadFileFromBucketActivity> logger,
-        IProcessTrackingStore processTrackingStore)
-        : IExecuteActivity<DownloadFileFromBucketArguments>
-    {
-        public const string ExecuteEndpointName = "Download-File-From-Bucket";
-
-        public async Task<ExecutionResult> Execute(ExecuteContext<DownloadFileFromBucketArguments> executeContext)
-        {
-            var processId = await processTrackingStore.GetOrCreateProcessAsync(
-                "RoutingSlip",
-                executeContext.CorrelationId ?? executeContext.TrackingNumber,
-                executeContext.ConversationId,
-                executeContext.MessageId,
-                executeContext.CancellationToken);
-
-            var stepId = await processTrackingStore.StartStepAsync(
-                processId,
-                nameof(DownloadFileFromBucketActivity),
-                ProcessStepComponentType.Activity,
-                0,
-                executeContext.CancellationToken);
-
-            try
-            {
-                var getFile = await storageHandler.GetFileAsync(
-                    executeContext.Arguments.BucketName,
-                    executeContext.Arguments.KeyName,
-                    executeContext.CancellationToken);
-
-                if (!getFile.IsSuccess)
-                {
-                    var errorMessage = string.Join("; ", getFile.Errors);
-                    logger.LogWarning("Failed to download file from bucket. Bucket: {BucketName}, Key: {KeyName}, Errors: {Errors}",
-                        executeContext.Arguments.BucketName,
-                        executeContext.Arguments.KeyName,
-                        errorMessage);
-                    throw new Exception(errorMessage);
-                }
-
-                using var fileStream = getFile.Value;
-                if (fileStream.CanSeek)
-                    fileStream.Position = 0;
-
-                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(workingDirectory);
-
-                using var destinationStream = File.Create(destinationPath);
-                await fileStream.CopyToAsync(destinationStream, executeContext.CancellationToken);
-
-                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
-                return executeContext.CompletedWithVariables(new
-                {
-                    SourceFilePath = destinationPath,
-                    WorkingDirectory = workingDirectory,
-                    DestinationFolderName = folderName
-                } );
-            }
-            catch (Exception exception)
-            {
-                logger.LogError(exception, "Error downloading file from bucket");
-                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
-                throw;
-            }
-        }
-    }
-}

Infrastructure/Messaging/Activities/Logs/DownloadFileFromBucketLog.cs

@@ -1,7 +0,0 @@
-namespace Musify.Infrastructure.Messaging.Activities.Logs
-{
-    public record DownloadFileFromBucketLog(
-        string BucketName,
-        string KeyName,
-        string DestinationPath);
-}

Infrastructure/Messaging/Activities/Logs/TranscodeDashAudioLog.cs

@@ -1,4 +0,0 @@
-namespace Musify.Infrastructure.Messaging.Activities.Logs
-{
-    public record TranscodeDashAudioLog(string WorkingDirectory);
-}

Infrastructure/Messaging/Activities/ResizePictureActivity.cs

@@ -1,87 +0,0 @@
-using MassTransit;
-using Microsoft.Extensions.Logging;
-using Musify.Application.Contracts.Infrastructure;
-using Musify.Domain.Entities;
-using Musify.Infrastructure.Messaging.Activities.Arguments;
-
-namespace Musify.Infrastructure.Messaging.Activities
-{
-    public class ResizePictureActivity(
-        IPictureHandler pictureHandler,
-        ILogger<ResizePictureActivity> logger,
-        IProcessTrackingStore processTrackingStore)
-        : IExecuteActivity<ResizePictureLocalArguments>
-    {
-        public const string ExecuteEndpointName = "Resize-Picture";
-
-        public async Task<ExecutionResult> Execute(ExecuteContext<ResizePictureLocalArguments> executeContext)
-        {
-            var processId = await processTrackingStore.GetOrCreateProcessAsync(
-                "RoutingSlip",
-                executeContext.CorrelationId ?? executeContext.TrackingNumber,
-                executeContext.ConversationId,
-                executeContext.MessageId,
-                executeContext.CancellationToken);
-
-            var stepId = await processTrackingStore.StartStepAsync(
-                processId,
-                nameof(ResizePictureActivity),
-                ProcessStepComponentType.Activity,
-                0,
-                executeContext.CancellationToken);
-
-            try
-            {
-                if (!File.Exists(executeContext.Arguments.SourceFilePath))
-                {
-                    logger.LogWarning("Source file not found at {SourceFilePath}", executeContext.Arguments.SourceFilePath);
-                    throw new FileNotFoundException($"Source file not found: {executeContext.Arguments.SourceFilePath}");
-                }
-
-                await using var fileStream = File.OpenRead(executeContext.Arguments.SourceFilePath);
-
-                var resizedPicture = await pictureHandler.ResizePictureAsync(
-                    fileStream,
-                    executeContext.Arguments.Width,
-                    executeContext.Arguments.Height,
-                    executeContext.CancellationToken);
-
-                if (!resizedPicture.IsSuccess)
-                {
-                    var errorMessage = string.Join("; ", resizedPicture.Errors);
-                    logger.LogError("Failed to resize picture {SourceFilePath} to {Width}x{Height}. Errors: {Errors}",
-                        executeContext.Arguments.SourceFilePath,
-                        executeContext.Arguments.Width,
-                        executeContext.Arguments.Height,
-                        errorMessage);
-                    throw new Exception(errorMessage);
-                }
-
-                var destinationDirectory = Path.GetDirectoryName(executeContext.Arguments.DestinationFilePath);
-                if (!string.IsNullOrEmpty(destinationDirectory))
-                {
-                    Directory.CreateDirectory(destinationDirectory);
-                }
-
-                await using var destinationStream = File.Create(executeContext.Arguments.DestinationFilePath);
-                await resizedPicture.Value.CopyToAsync(destinationStream, executeContext.CancellationToken);
-
-                logger.LogDebug("Picture resized from {SourceFilePath} to {DestinationFilePath} ({Width}x{Height})",
-                    executeContext.Arguments.SourceFilePath,
-                    executeContext.Arguments.DestinationFilePath,
-                    executeContext.Arguments.Width,
-                    executeContext.Arguments.Height);
-
-                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
-                return executeContext.Completed();
-            }
-            catch (Exception exception)
-            {
-                logger.LogError(exception, "Error resizing picture {SourceFilePath}",
-                    executeContext.Arguments.SourceFilePath);
-                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
-                throw;
-            }
-        }
-    }
-}

Infrastructure/Messaging/Activities/TranscodeDashAudioActivity.cs

@@ -1,70 +0,0 @@
-using MassTransit;
-using Microsoft.Extensions.Logging;
-using Musify.Application.Contracts.Infrastructure;
-using Musify.Domain.Entities;
-using Musify.Infrastructure.Messaging.Activities.Arguments;
-
-namespace Musify.Infrastructure.Messaging.Activities
-{
-    public class TranscodeDashAudioActivity(
-        IAudioTranscoder audioTranscoder,
-        ILogger<TranscodeDashAudioActivity> logger,
-        IProcessTrackingStore processTrackingStore)
-        : IExecuteActivity<TranscodeDashAudioArguments>
-    {
-        public const string ExecuteEndpointName = "Transcode-Dash-Audio";
-
-        public async Task<ExecutionResult> Execute(ExecuteContext<TranscodeDashAudioArguments> executeContext)
-        {
-            var processId = await processTrackingStore.GetOrCreateProcessAsync(
-                "RoutingSlip",
-                executeContext.CorrelationId ?? executeContext.TrackingNumber,
-                executeContext.ConversationId,
-                executeContext.MessageId,
-                executeContext.CancellationToken);
-
-            var stepId = await processTrackingStore.StartStepAsync(
-                processId,
-                nameof(TranscodeDashAudioActivity),
-                ProcessStepComponentType.Activity,
-                0,
-                executeContext.CancellationToken);
-
-            var sourceFilePath = executeContext.GetVariable<string>("SourceFilePath");
-            var workingDirectory = executeContext.GetVariable<string>("WorkingDirectory");
-
-            if (string.IsNullOrWhiteSpace(sourceFilePath) || string.IsNullOrWhiteSpace(workingDirectory))
-            {
-                throw new InvalidOperationException("Transcode activity requires SourceFilePath and WorkingDirectory variables.");
-            }
-
-            try
-            {
-                await using var fileStream = File.OpenRead(sourceFilePath);
-
-                var result = await audioTranscoder.TranscodeToDashAsync(
-                    fileStream,
-                    workingDirectory,
-                    executeContext.CancellationToken);
-
-                if (!result.IsSuccess)
-                {
-                    var errorMessage = string.Join("; ", result.Errors);
-                    logger.LogError("Transcoding failed for file {SourceFilePath}. Errors: {ErrorMessage}",
-                        sourceFilePath, errorMessage);
-                    throw new Exception(errorMessage);
-                }
-
-                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
-                return executeContext.Completed();
-            }
-            catch (Exception exception)
-            {
-                logger.LogError(exception, "Error during transcoding activity for file {SourceFilePath}",
-                    sourceFilePath);
-                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
-                throw;
-            }
-        }
-    }
-}

Infrastructure/Messaging/Activities/TransferFilesToBucket.cs

@@ -1,71 +0,0 @@
-using MassTransit;
-using Microsoft.Extensions.Logging;
-using Musify.Application.Contracts.Infrastructure;
-using Musify.Domain.Entities;
-using Musify.Infrastructure.Messaging.Activities.Arguments;
-
-namespace Musify.Infrastructure.Messaging.Activities
-{
-    public class TransferFilesToBucket(
-        IStorageHandler storageHandler,
-        ILogger<TransferFilesToBucket> logger,
-        IProcessTrackingStore processTrackingStore)
-        : IExecuteActivity<TransferFilesToBucketArguments>
-    {
-        public const string ExecuteEndpointName = "Transfer-Files-To-Bucket";
-
-        public async Task<ExecutionResult> Execute(ExecuteContext<TransferFilesToBucketArguments> executeContext)
-        {
-            var processId = await processTrackingStore.GetOrCreateProcessAsync(
-                "RoutingSlip",
-                executeContext.CorrelationId ?? executeContext.TrackingNumber,
-                executeContext.ConversationId,
-                executeContext.MessageId,
-                executeContext.CancellationToken);
-
-            var stepId = await processTrackingStore.StartStepAsync(
-                processId,
-                nameof(TransferFilesToBucket),
-                ProcessStepComponentType.Activity,
-                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(
-                    folderPath,
-                    executeContext.Arguments.DestinationBucketName,
-                    executeContext.Arguments.DestinationKeyName,
-                    executeContext.CancellationToken);
-
-                if (!transferFilesResult.IsSuccess)
-                {
-                    var errorMessage = string.Join("; ", transferFilesResult.Errors);
-                    logger.LogWarning("Failed to transfer files from {FolderPath} to bucket {DestinationBucketName}, key {DestinationKeyName}. Errors: {Errors}",
-                        folderPath,
-                        executeContext.Arguments.DestinationBucketName,
-                        executeContext.Arguments.DestinationKeyName,
-                        errorMessage);
-                    throw new Exception(errorMessage);
-                }
-
-                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
-                return executeContext.Completed();
-            }
-            catch (Exception exception)
-            {
-                logger.LogError(exception, "Error transferring files from {FolderPath} to bucket {DestinationBucketName}",
-                    folderPath,
-                    executeContext.Arguments.DestinationBucketName);
-                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
-                throw;
-            }
-        }
-    }
-}

Infrastructure/Messaging/Activities/UpdatePlayListPictureActivity.cs

@@ -1,68 +0,0 @@
-using MassTransit;
-using Microsoft.Extensions.Logging;
-using Musify.Application.Contracts.Infrastructure;
-using Musify.Domain.Entities;
-using Musify.Infrastructure.Messaging.Activities.Arguments;
-
-namespace Musify.Infrastructure.Messaging.Activities
-{
-    public class UpdatePlayListPictureActivity(
-        IDatabase database,
-        ILogger<UpdatePlayListPictureActivity> logger,
-        IProcessTrackingStore processTrackingStore)
-        : IExecuteActivity<UpdatePlayListPictureArguments>
-    {
-        public const string ExecuteEndpointName = "Update-PlayList-Picture";
-
-        public async Task<ExecutionResult> Execute(ExecuteContext<UpdatePlayListPictureArguments> executeContext)
-        {
-            var processId = await processTrackingStore.GetOrCreateProcessAsync(
-                "RoutingSlip",
-                executeContext.CorrelationId ?? executeContext.TrackingNumber,
-                executeContext.ConversationId,
-                executeContext.MessageId,
-                executeContext.CancellationToken);
-
-            var stepId = await processTrackingStore.StartStepAsync(
-                processId,
-                nameof(UpdatePlayListPictureActivity),
-                ProcessStepComponentType.Activity,
-                0,
-                executeContext.CancellationToken);
-
-            try
-            {
-                var playList = await database.PlayLists.FindAsync(
-                    [executeContext.Arguments.PlayListId],
-                    cancellationToken: executeContext.CancellationToken);
-
-                if (playList is null)
-                {
-                    logger.LogWarning("PlayList with id {PlayListId} not found",
-                        executeContext.Arguments.PlayListId);
-                    throw new InvalidOperationException($"PlayList with id {executeContext.Arguments.PlayListId} not found");
-                }
-
-                playList.SmallPictureKeyName = executeContext.Arguments.SmallPictureKeyName;
-                playList.MediumPictureKeyName = executeContext.Arguments.MediumPictureKeyName;
-                playList.LargePictureKeyName = executeContext.Arguments.LargePictureKeyName;
-
-                database.PlayLists.Update(playList);
-                await database.SaveChangesAsync(executeContext.CancellationToken);
-
-                logger.LogInformation("Updated PlayList {PlayListId} pictures",
-                    executeContext.Arguments.PlayListId);
-
-                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
-                return executeContext.Completed();
-            }
-            catch (Exception exception)
-            {
-                logger.LogError(exception, "Error updating PlayList {PlayListId} pictures",
-                    executeContext.Arguments.PlayListId);
-                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
-                throw;
-            }
-        }
-    }
-}

Infrastructure/Messaging/Activities/UpdateTrackPictureActivity.cs

@@ -1,68 +0,0 @@
-using MassTransit;
-using Microsoft.Extensions.Logging;
-using Musify.Application.Contracts.Infrastructure;
-using Musify.Domain.Entities;
-using Musify.Infrastructure.Messaging.Activities.Arguments;
-
-namespace Musify.Infrastructure.Messaging.Activities
-{
-    public class UpdateTrackPictureActivity(
-        IDatabase database,
-        ILogger<UpdateTrackPictureActivity> logger,
-        IProcessTrackingStore processTrackingStore)
-        : IExecuteActivity<UpdateTrackPictureArguments>
-    {
-        public const string ExecuteEndpointName = "Update-Track-Picture";
-
-        public async Task<ExecutionResult> Execute(ExecuteContext<UpdateTrackPictureArguments> executeContext)
-        {
-            var processId = await processTrackingStore.GetOrCreateProcessAsync(
-                "RoutingSlip",
-                executeContext.CorrelationId ?? executeContext.TrackingNumber,
-                executeContext.ConversationId,
-                executeContext.MessageId,
-                executeContext.CancellationToken);
-
-            var stepId = await processTrackingStore.StartStepAsync(
-                processId,
-                nameof(UpdateTrackPictureActivity),
-                ProcessStepComponentType.Activity,
-                0,
-                executeContext.CancellationToken);
-
-            try
-            {
-                var track = await database.Tracks.FindAsync(
-                    [executeContext.Arguments.TrackId],
-                    cancellationToken: executeContext.CancellationToken);
-
-                if (track is null)
-                {
-                    logger.LogWarning("Track with id {TrackId} not found",
-                        executeContext.Arguments.TrackId);
-                    throw new InvalidOperationException($"Track with id {executeContext.Arguments.TrackId} not found");
-                }
-
-                track.SmallPictureKeyName = executeContext.Arguments.SmallPictureKeyName;
-                track.MediumPictureKeyName = executeContext.Arguments.MediumPictureKeyName;
-                track.LargePictureKeyName = executeContext.Arguments.LargePictureKeyName;
-
-                database.Tracks.Update(track);
-                await database.SaveChangesAsync(executeContext.CancellationToken);
-
-                logger.LogInformation("Updated Track {TrackId} pictures",
-                    executeContext.Arguments.TrackId);
-
-                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
-                return executeContext.Completed();
-            }
-            catch (Exception exception)
-            {
-                logger.LogError(exception, "Error updating Track {TrackId} pictures",
-                    executeContext.Arguments.TrackId);
-                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
-                throw;
-            }
-        }
-    }
-}

Infrastructure/Messaging/Consumers/RemoveFileConsumer.cs

@@ -1,28 +0,0 @@
-using MassTransit;
-using Musify.Application.Events;
-using Musify.Infrastructure.Messaging.Activities;
-using Musify.Infrastructure.Messaging.Activities.Arguments;
-
-namespace Musify.Infrastructure.Messaging.Consumers
-{
-    public class RemoveFileConsumer(IBus bus)
-        : IConsumer<RemoveFileEvent>
-    {
-        public const string QueueName = "Remove-File";
-
-        public async Task Consume(ConsumeContext<RemoveFileEvent> consumeContext)
-        {
-            var routingSlipBuilder = new RoutingSlipBuilder(NewId.NextGuid());
-
-            routingSlipBuilder.AddActivity(
-                "RemoveFile",
-                MessagingHelper.BuildExecuteActivityUri(RemoveFileFromBucketActivity.ExecuteEndpointName),
-                new RemoveFileFromBucketArguments(
-                    consumeContext.Message.BucketName,
-                    consumeContext.Message.KeyName));
-
-            var routingSlip = routingSlipBuilder.Build();
-            await bus.Execute(routingSlip);
-        }
-    }
-}

Infrastructure/Messaging/Consumers/TranscodeAudioFromTrackConsumer.cs

@@ -1,44 +0,0 @@
-using MassTransit;
-using Musify.Application.Events;
-using Musify.Infrastructure.Configuration;
-using Musify.Infrastructure.Messaging.Activities;
-using Musify.Infrastructure.Messaging.Activities.Arguments;
-
-namespace Musify.Infrastructure.Messaging.Consumers
-{
-    public class TranscodeAudioFromTrackConsumer(
-        IBus bus,
-        WorkerConfiguration workerConfiguration)
-        : IConsumer<TranscodeAudioFromTrackEvent>
-    {
-        public const string QueueName = "Transcode-Audio-From-Track";
-
-        public async Task Consume(ConsumeContext<TranscodeAudioFromTrackEvent> consumeContext)
-        {
-            var routingSlipBuilder = new RoutingSlipBuilder(NewId.NextGuid());
-
-            routingSlipBuilder.AddActivity(
-                "DownloadFile",
-                MessagingHelper.BuildExecuteActivityUri(DownloadFileFromBucketActivity.ExecuteEndpointName),
-                new DownloadFileFromBucketArguments(
-                    consumeContext.Message.SourceBucketName,
-                    consumeContext.Message.SourceKeyName,
-                    workerConfiguration.Routes.TemporaryFilesDirectory));
-
-            routingSlipBuilder.AddActivity(
-                "TranscodeAudio",
-                MessagingHelper.BuildExecuteActivityUri(TranscodeDashAudioActivity.ExecuteEndpointName),
-                new TranscodeDashAudioArguments());
-
-            routingSlipBuilder.AddActivity(
-                "UploadFile",
-                MessagingHelper.BuildExecuteActivityUri(TransferFilesToBucket.ExecuteEndpointName),
-                new TransferFilesToBucketArguments(
-                    consumeContext.Message.DestinationBucketName,
-                    consumeContext.Message.DestinationKeyName));
-
-            var routingSlip = routingSlipBuilder.Build();
-            await bus.Execute(routingSlip);
-        }
-    }
-}

Infrastructure/Messaging/Consumers/UpdatePlayListPictureConsumer.cs

@@ -1,112 +0,0 @@
-using MassTransit;
-using Musify.Application.Events;
-using Musify.Infrastructure.Configuration;
-using Musify.Infrastructure.Messaging.Activities;
-using Musify.Infrastructure.Messaging.Activities.Arguments;
-
-namespace Musify.Infrastructure.Messaging.Consumers
-{
-    public class UpdatePlayListPictureConsumer(
-        IBus bus,
-        WorkerConfiguration workerConfiguration)
-        : IConsumer<UpdatePlayListPictureEvent>
-    {
-        public const string QueueName = "Update-PlayList-Picture";
-
-        public async Task Consume(ConsumeContext<UpdatePlayListPictureEvent> consumeContext)
-        {
-            var routingSlipBuilder = new RoutingSlipBuilder(NewId.NextGuid());
-            var folderName = Guid.NewGuid().ToString();
-            var workingDirectory = Path.Combine(workerConfiguration.Routes.TemporaryFilesDirectory, folderName);
-
-            routingSlipBuilder.AddActivity(
-                "DownloadFile",
-                MessagingHelper.BuildExecuteActivityUri(DownloadFileFromBucketActivity.ExecuteEndpointName),
-                new DownloadFileFromBucketArguments(
-                    consumeContext.Message.SourceBucketName,
-                    consumeContext.Message.SourceKeyName,
-                    workingDirectory));
-
-            AddResizeActivity(
-                routingSlipBuilder,
-                "ResizeSmall",
-                consumeContext.Message.SmallPictureKeyName,
-                consumeContext.Message.SmallPictureWidth,
-                consumeContext.Message.SmallPictureHeight,
-                consumeContext.Message.SourceKeyName,
-                consumeContext.Message.SourceBucketName,
-                workingDirectory);
-
-            AddResizeActivity(
-                routingSlipBuilder,
-                "ResizeMedium",
-                consumeContext.Message.MediumPictureKeyName,
-                consumeContext.Message.MediumPictureWidth,
-                consumeContext.Message.MediumPictureHeight,
-                consumeContext.Message.SourceKeyName,
-                consumeContext.Message.SourceBucketName,
-                workingDirectory);
-
-            AddResizeActivity(
-                routingSlipBuilder,
-                "ResizeLarge",
-                consumeContext.Message.LargePictureKeyName,
-                consumeContext.Message.LargePictureWidth,
-                consumeContext.Message.LargePictureHeight,
-                consumeContext.Message.SourceKeyName,
-                consumeContext.Message.SourceBucketName,
-                workingDirectory);
-
-            routingSlipBuilder.AddActivity(
-                "DeleteOriginal",
-                MessagingHelper.BuildExecuteActivityUri(RemoveFileFromBucketActivity.ExecuteEndpointName),
-                new RemoveFileFromBucketArguments(
-                    consumeContext.Message.SourceBucketName,
-                    consumeContext.Message.SourceKeyName));
-
-            routingSlipBuilder.AddActivity(
-                "UploadFiles",
-                MessagingHelper.BuildExecuteActivityUri(TransferFilesToBucket.ExecuteEndpointName),
-                new TransferFilesToBucketArguments(
-                    consumeContext.Message.SourceBucketName,
-                    folderName));
-
-            routingSlipBuilder.AddActivity(
-                "UpdatePlayListPicture",
-                MessagingHelper.BuildExecuteActivityUri(UpdatePlayListPictureActivity.ExecuteEndpointName),
-                new UpdatePlayListPictureArguments(
-                    consumeContext.Message.PlayListId,
-                    consumeContext.Message.SmallPictureKeyName,
-                    consumeContext.Message.MediumPictureKeyName,
-                    consumeContext.Message.LargePictureKeyName));
-
-            var routingSlip = routingSlipBuilder.Build();
-            await bus.Execute(routingSlip);
-        }
-
-        void AddResizeActivity(
-            RoutingSlipBuilder routingSlipBuilder,
-            string activityName,
-            string destinationKeyName,
-            int width,
-            int height,
-            string originalPictureKeyName,
-            string bucketName,
-            string workingDirectory)
-        {
-            var fileName = Path.GetFileName(originalPictureKeyName);
-            var sourceFilePath = Path.Combine(workingDirectory, fileName);
-            var destinationFileName = Path.GetFileNameWithoutExtension(destinationKeyName) + Path.GetExtension(fileName);
-            var destinationFilePath = Path.Combine(workingDirectory, destinationFileName);
-
-            routingSlipBuilder.AddActivity(
-                activityName,
-                MessagingHelper.BuildExecuteActivityUri(ResizePictureActivity.ExecuteEndpointName),
-                new ResizePictureLocalArguments(
-                    sourceFilePath,
-                    destinationFilePath,
-                    width,
-                    height));
-        }
-    }
-}

Infrastructure/Messaging/Consumers/UpdateTrackPictureConsumer.cs

@@ -1,112 +0,0 @@
-using MassTransit;
-using Musify.Application.Events;
-using Musify.Infrastructure.Configuration;
-using Musify.Infrastructure.Messaging.Activities;
-using Musify.Infrastructure.Messaging.Activities.Arguments;
-
-namespace Musify.Infrastructure.Messaging.Consumers
-{
-    public class UpdateTrackPictureConsumer(
-        IBus bus,
-        WorkerConfiguration workerConfiguration)
-        : IConsumer<UpdateTrackPictureEvent>
-    {
-        public const string QueueName = "Update-Track-Picture";
-
-        public async Task Consume(ConsumeContext<UpdateTrackPictureEvent> consumeContext)
-        {
-            var routingSlipBuilder = new RoutingSlipBuilder(NewId.NextGuid());
-            var folderName = Guid.NewGuid().ToString();
-            var workingDirectory = Path.Combine(workerConfiguration.Routes.TemporaryFilesDirectory, folderName);
-
-            routingSlipBuilder.AddActivity(
-                "DownloadFile",
-                MessagingHelper.BuildExecuteActivityUri(DownloadFileFromBucketActivity.ExecuteEndpointName),
-                new DownloadFileFromBucketArguments(
-                    consumeContext.Message.SourceBucketName,
-                    consumeContext.Message.SourceKeyName,
-                    workingDirectory));
-
-            AddResizeActivity(
-                routingSlipBuilder,
-                "ResizeSmall",
-                consumeContext.Message.SmallPictureKeyName,
-                consumeContext.Message.SmallPictureWidth,
-                consumeContext.Message.SmallPictureHeight,
-                consumeContext.Message.SourceKeyName,
-                consumeContext.Message.SourceBucketName,
-                workingDirectory);
-
-            AddResizeActivity(
-                routingSlipBuilder,
-                "ResizeMedium",
-                consumeContext.Message.MediumPictureKeyName,
-                consumeContext.Message.MediumPictureWidth,
-                consumeContext.Message.MediumPictureHeight,
-                consumeContext.Message.SourceKeyName,
-                consumeContext.Message.SourceBucketName,
-                workingDirectory);
-
-            AddResizeActivity(
-                routingSlipBuilder,
-                "ResizeLarge",
-                consumeContext.Message.LargePictureKeyName,
-                consumeContext.Message.LargePictureWidth,
-                consumeContext.Message.LargePictureHeight,
-                consumeContext.Message.SourceKeyName,
-                consumeContext.Message.SourceBucketName,
-                workingDirectory);
-
-            routingSlipBuilder.AddActivity(
-                "DeleteOriginal",
-                MessagingHelper.BuildExecuteActivityUri(RemoveFileFromBucketActivity.ExecuteEndpointName),
-                new RemoveFileFromBucketArguments(
-                    consumeContext.Message.SourceBucketName,
-                    consumeContext.Message.SourceKeyName));
-
-            routingSlipBuilder.AddActivity(
-                "UploadFiles",
-                MessagingHelper.BuildExecuteActivityUri(TransferFilesToBucket.ExecuteEndpointName),
-                new TransferFilesToBucketArguments(
-                    consumeContext.Message.SourceBucketName,
-                    folderName));
-
-            routingSlipBuilder.AddActivity(
-                "UpdateTrackPicture",
-                MessagingHelper.BuildExecuteActivityUri(UpdateTrackPictureActivity.ExecuteEndpointName),
-                new UpdateTrackPictureArguments(
-                    consumeContext.Message.TrackId,
-                    consumeContext.Message.SmallPictureKeyName,
-                    consumeContext.Message.MediumPictureKeyName,
-                    consumeContext.Message.LargePictureKeyName));
-
-            var routingSlip = routingSlipBuilder.Build();
-            await bus.Execute(routingSlip);
-        }
-
-        void AddResizeActivity(
-            RoutingSlipBuilder routingSlipBuilder,
-            string activityName,
-            string destinationKeyName,
-            int width,
-            int height,
-            string originalPictureKeyName,
-            string bucketName,
-            string workingDirectory)
-        {
-            var fileName = Path.GetFileName(originalPictureKeyName);
-            var sourceFilePath = Path.Combine(workingDirectory, fileName);
-            var destinationFileName = Path.GetFileNameWithoutExtension(destinationKeyName) + Path.GetExtension(fileName);
-            var destinationFilePath = Path.Combine(workingDirectory, destinationFileName);
-
-            routingSlipBuilder.AddActivity(
-                activityName,
-                MessagingHelper.BuildExecuteActivityUri(ResizePictureActivity.ExecuteEndpointName),
-                new ResizePictureLocalArguments(
-                    sourceFilePath,
-                    destinationFilePath,
-                    width,
-                    height));
-        }
-    }
-}

Infrastructure/Messaging/MessagingDependencyInjection.cs

@@ -1,139 +0,0 @@
-using MassTransit;
-using Microsoft.Extensions.DependencyInjection;
-using Musify.Infrastructure.Configuration;
-using Musify.Infrastructure.Messaging.Activities;
-using Musify.Infrastructure.Messaging.Activities.Arguments;
-using Musify.Infrastructure.Messaging.Consumers;
-using Musify.Infrastructure.Messaging.Filters;
-
-namespace Musify.Infrastructure.Messaging
-{
-    public static class MessagingDependencyInjection
-    {
-        public static IServiceCollection AddMassTransitClient(this IServiceCollection serviceDescriptors)
-        {
-            serviceDescriptors.AddMassTransit(options =>
-            {
-                options.UsingRabbitMq((busRegistrationContext, busFactoryConfigurator) =>
-                    ConfigureRabbitMqHost(
-                        busFactoryConfigurator,
-                        busRegistrationContext.GetRequiredService<MessagingConfiguration>()));
-            } );
-
-            return serviceDescriptors;
-        }
-
-        public static IServiceCollection AddMassTransitConsumers(this IServiceCollection serviceDescriptors)
-        {
-            serviceDescriptors.AddMassTransit(options =>
-            {
-                // Register consumers
-                options.AddConsumer<UpdatePlayListPictureConsumer>();
-                options.AddConsumer<RemoveFileConsumer>();
-                options.AddConsumer<TranscodeAudioFromTrackConsumer>();
-                options.AddConsumer<UpdateTrackPictureConsumer>();
-
-                // Register execute activities
-                options.AddExecuteActivity<ResizePictureActivity, ResizePictureLocalArguments>();
-                options.AddExecuteActivity<RemoveFileFromBucketActivity, RemoveFileFromBucketArguments>();
-                options.AddExecuteActivity<UpdatePlayListPictureActivity, UpdatePlayListPictureArguments>();
-                options.AddExecuteActivity<UpdateTrackPictureActivity, UpdateTrackPictureArguments>();
-                options.AddExecuteActivity<DownloadFileFromBucketActivity, DownloadFileFromBucketArguments>();
-                options.AddExecuteActivity<TranscodeDashAudioActivity, TranscodeDashAudioArguments>();
-                options.AddExecuteActivity<TransferFilesToBucket, TransferFilesToBucketArguments>();
-
-                options.UsingRabbitMq((busRegistrationContext, busFactoryConfigurator) =>
-                {
-                    ConfigureRabbitMqHost(
-                        busFactoryConfigurator,
-                        busRegistrationContext.GetRequiredService<MessagingConfiguration>());
-
-                    busFactoryConfigurator.UseConsumeFilter(typeof(ProcessTrackingConsumeFilter<>), busRegistrationContext);
-
-                    // Consumer endpoints
-                    busFactoryConfigurator.ReceiveEndpoint(UpdatePlayListPictureConsumer.QueueName, endpointConfigurator =>
-                    {
-                        endpointConfigurator.ConfigureConsumer<UpdatePlayListPictureConsumer>(busRegistrationContext);
-                    } );
-
-                    busFactoryConfigurator.ReceiveEndpoint(RemoveFileConsumer.QueueName, endpointConfigurator =>
-                    {
-                        endpointConfigurator.ConfigureConsumer<RemoveFileConsumer>(busRegistrationContext);
-                    } );
-
-                    busFactoryConfigurator.ReceiveEndpoint(TranscodeAudioFromTrackConsumer.QueueName, endpointConfigurator =>
-                    {
-                        endpointConfigurator.ConfigureConsumer<TranscodeAudioFromTrackConsumer>(busRegistrationContext);
-                    } );
-
-                    busFactoryConfigurator.ReceiveEndpoint(UpdateTrackPictureConsumer.QueueName, endpointConfigurator =>
-                    {
-                        endpointConfigurator.ConfigureConsumer<UpdateTrackPictureConsumer>(busRegistrationContext);
-                    } );
-
-                    // Activity endpoints
-                    ConfigureExecuteActivityEndpoint<ResizePictureActivity, ResizePictureLocalArguments>(
-                        busFactoryConfigurator,
-                        busRegistrationContext,
-                        ResizePictureActivity.ExecuteEndpointName);
-
-                    ConfigureExecuteActivityEndpoint<RemoveFileFromBucketActivity, RemoveFileFromBucketArguments>(
-                        busFactoryConfigurator,
-                        busRegistrationContext,
-                        RemoveFileFromBucketActivity.ExecuteEndpointName);
-
-                    ConfigureExecuteActivityEndpoint<UpdatePlayListPictureActivity, UpdatePlayListPictureArguments>(
-                        busFactoryConfigurator,
-                        busRegistrationContext,
-                        UpdatePlayListPictureActivity.ExecuteEndpointName);
-
-                    ConfigureExecuteActivityEndpoint<UpdateTrackPictureActivity, UpdateTrackPictureArguments>(
-                        busFactoryConfigurator,
-                        busRegistrationContext,
-                        UpdateTrackPictureActivity.ExecuteEndpointName);
-
-                    ConfigureExecuteActivityEndpoint<DownloadFileFromBucketActivity, DownloadFileFromBucketArguments>(
-                        busFactoryConfigurator,
-                        busRegistrationContext,
-                        DownloadFileFromBucketActivity.ExecuteEndpointName);
-
-                    ConfigureExecuteActivityEndpoint<TranscodeDashAudioActivity, TranscodeDashAudioArguments>(
-                        busFactoryConfigurator,
-                        busRegistrationContext,
-                        TranscodeDashAudioActivity.ExecuteEndpointName);
-
-                    ConfigureExecuteActivityEndpoint<TransferFilesToBucket, TransferFilesToBucketArguments>(
-                        busFactoryConfigurator,
-                        busRegistrationContext,
-                        TransferFilesToBucket.ExecuteEndpointName);
-                } );
-            } );
-
-            return serviceDescriptors;
-        }
-
-        static void ConfigureRabbitMqHost(
-            IRabbitMqBusFactoryConfigurator busFactoryConfigurator,
-            MessagingConfiguration massTransitConfiguration)
-        {
-            busFactoryConfigurator.Host(massTransitConfiguration.Host, options =>
-            {
-                options.Username(massTransitConfiguration.Username);
-                options.Password(massTransitConfiguration.Password);
-            } );
-        }
-
-        static void ConfigureExecuteActivityEndpoint<TActivity, TArguments>(
-            IRabbitMqBusFactoryConfigurator busFactoryConfigurator,
-            IBusRegistrationContext busRegistrationContext,
-            string endpointName)
-            where TActivity : class, IExecuteActivity<TArguments>
-            where TArguments : class
-        {
-            busFactoryConfigurator.ReceiveEndpoint($"{endpointName}_execute", endpointConfigurator =>
-            {
-                endpointConfigurator.ExecuteActivityHost<TActivity, TArguments>(busRegistrationContext);
-            } );
-        }
-    }
-}

Infrastructure/Persistence/Migrations/20260323233603_AddOriginalPictureKeyNameToTrackAndPlayList.Designer.cs

@@ -0,0 +1,392 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Musify.Infrastructure.Persistence;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Musify.Infrastructure.Persistence.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20260323233603_AddOriginalPictureKeyNameToTrackAndPlayList")]
+    partial class AddOriginalPictureKeyNameToTrackAndPlayList
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "10.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Musify.Domain.Entities.PlayList", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Description")
+                        .IsRequired()
+                        .HasMaxLength(254)
+                        .HasColumnType("character varying(254)");
+
+                    b.Property<string>("LargePictureKeyName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("MediumPictureKeyName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)");
+
+                    b.Property<string>("NormalizedName")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)");
+
+                    b.Property<string>("OriginalPictureKeyName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("SmallPictureKeyName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<DateTime>("UpdatedDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("PlayLists");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.PlayListHasTrack", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("AddedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid>("PlayListId")
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Position")
+                        .HasColumnType("integer");
+
+                    b.Property<Guid>("TrackId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PlayListId");
+
+                    b.HasIndex("TrackId");
+
+                    b.ToTable("PlayListHasTrack");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.ProcessExecution", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("ConversationId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("CorrelationId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ErrorMessage")
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.Property<DateTime?>("FinishedDateTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid?>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ProcessName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<DateTime>("StartedDateTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CorrelationId", "ProcessName");
+
+                    b.ToTable("ProcessExecution");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.ProcessStepExecution", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Attempt")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentType")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ErrorMessage")
+                        .HasMaxLength(2048)
+                        .HasColumnType("character varying(2048)");
+
+                    b.Property<DateTime?>("FinishedDateTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<Guid>("ProcessExecutionId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("StartedDateTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("StepName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProcessExecutionId", "StepName");
+
+                    b.ToTable("ProcessStepExecution");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.Track", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("LargePictureKeyName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("MediumPictureKeyName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("NormalizedTitle")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)");
+
+                    b.Property<string>("OriginalPictureKeyName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("SmallPictureKeyName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)");
+
+                    b.Property<DateTime>("UpdatedDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Tracks");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.Upload", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("BucketName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ContentType")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedTime")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("KeyName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("State")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Upload");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("User");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.UserHasTrack", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("TrackId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TrackId");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("UserHasTrack");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.PlayList", b =>
+                {
+                    b.HasOne("Musify.Domain.Entities.User", "User")
+                        .WithMany("PlayLists")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.PlayListHasTrack", b =>
+                {
+                    b.HasOne("Musify.Domain.Entities.PlayList", "PlayList")
+                        .WithMany("PlayListTracks")
+                        .HasForeignKey("PlayListId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Musify.Domain.Entities.Track", "Track")
+                        .WithMany("PlayListTracks")
+                        .HasForeignKey("TrackId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("PlayList");
+
+                    b.Navigation("Track");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.ProcessStepExecution", b =>
+                {
+                    b.HasOne("Musify.Domain.Entities.ProcessExecution", "ProcessExecution")
+                        .WithMany("Steps")
+                        .HasForeignKey("ProcessExecutionId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("ProcessExecution");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.UserHasTrack", b =>
+                {
+                    b.HasOne("Musify.Domain.Entities.Track", "Track")
+                        .WithMany("UserTracks")
+                        .HasForeignKey("TrackId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Musify.Domain.Entities.User", "User")
+                        .WithMany("UserTracks")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Track");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.PlayList", b =>
+                {
+                    b.Navigation("PlayListTracks");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.ProcessExecution", b =>
+                {
+                    b.Navigation("Steps");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.Track", b =>
+                {
+                    b.Navigation("PlayListTracks");
+
+                    b.Navigation("UserTracks");
+                });
+
+            modelBuilder.Entity("Musify.Domain.Entities.User", b =>
+                {
+                    b.Navigation("PlayLists");
+
+                    b.Navigation("UserTracks");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Infrastructure/Persistence/Migrations/20260323233603_AddOriginalPictureKeyNameToTrackAndPlayList.cs

@@ -0,0 +1,42 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Musify.Infrastructure.Persistence.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddOriginalPictureKeyNameToTrackAndPlayList : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "OriginalPictureKeyName",
+                table: "Tracks",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                defaultValue: "");
+
+            migrationBuilder.AddColumn<string>(
+                name: "OriginalPictureKeyName",
+                table: "PlayLists",
+                type: "character varying(64)",
+                maxLength: 64,
+                nullable: false,
+                defaultValue: "");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "OriginalPictureKeyName",
+                table: "Tracks");
+
+            migrationBuilder.DropColumn(
+                name: "OriginalPictureKeyName",
+                table: "PlayLists");
+        }
+    }
+}

Infrastructure/Persistence/Migrations/DatabaseModelSnapshot.cs

@@ -56,6 +56,11 @@ namespace Musify.Infrastructure.Persistence.Migrations
                         .HasMaxLength(50)
                         .HasColumnType("character varying(50)");
 
+                    b.Property<string>("OriginalPictureKeyName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
                     b.Property<string>("SmallPictureKeyName")
                         .IsRequired()
                         .HasMaxLength(64)
@@ -205,6 +210,11 @@ namespace Musify.Infrastructure.Persistence.Migrations
                         .HasMaxLength(50)
                         .HasColumnType("character varying(50)");
 
+                    b.Property<string>("OriginalPictureKeyName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
                     b.Property<string>("SmallPictureKeyName")
                         .IsRequired()
                         .HasMaxLength(64)