Changes

2026-03-24 14:45:20 +01:00
parent da4b76f499
commit 27d68986c5
66 changed files with 1830 additions and 922 deletions
@@ -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;
+            }
+        }
+    }
+}
@@ -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));
+            }
+        }
+    }
+}
@@ -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));
+            }
+        }
+    }
+}
@@ -0,0 +1,62 @@
+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 RemoveFileFromBucketActivity(
+        IStorageHandler storageHandler,
+        ILogger<RemoveFileFromBucketActivity> logger,
+        IProcessTrackingStore processTrackingStore)
+        : IExecuteActivity<RemoveFileFromBucketArguments>
+    {
+        public const string ExecuteEndpointName = "Remove-File";
+
+        public async Task<ExecutionResult> Execute(ExecuteContext<RemoveFileFromBucketArguments> executeContext)
+        {
+            var processId = await processTrackingStore.GetOrCreateProcessAsync(
+                "RoutingSlip",
+                executeContext.CorrelationId ?? executeContext.TrackingNumber,
+                executeContext.ConversationId,
+                executeContext.MessageId,
+                executeContext.CancellationToken);
+
+            var stepId = await processTrackingStore.StartStepAsync(
+                processId,
+                nameof(RemoveFileFromBucketActivity),
+                ProcessStepComponentType.Activity,
+                0,
+                executeContext.CancellationToken);
+
+            try
+            {
+                var removeFile = await storageHandler.RemoveFileAsync(
+                    executeContext.Arguments.BucketName,
+                    executeContext.Arguments.KeyName,
+                    executeContext.CancellationToken);
+
+                if (!removeFile.IsSuccess)
+                {
+                    var errorMessage = string.Join("; ", removeFile.Errors);
+                    logger.LogWarning("Failed to remove file {KeyName} from bucket {BucketName}. Errors: {Errors}",
+                        executeContext.Arguments.KeyName,
+                        executeContext.Arguments.BucketName,
+                        errorMessage);
+                }
+
+                await processTrackingStore.CompleteStepAsync(processId, stepId, executeContext.CancellationToken);
+                return executeContext.Completed();
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Error removing file {KeyName} from bucket {BucketName}",
+                    executeContext.Arguments.KeyName,
+                    executeContext.Arguments.BucketName);
+                await processTrackingStore.FailStepAsync(processId, stepId, exception.Message, executeContext.CancellationToken);
+                throw;
+            }
+        }
+    }
+}
@@ -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);
+            }
+        }
+    }
+}
@@ -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;
+            }
+        }
+    }
+}
@@ -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));
+            }
+        }
+    }
+}
@@ -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);
+            }
+        }
+    }
+}
@@ -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);
+            }
+        }
+    }
+}
@@ -0,0 +1,7 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record DownloadFileFromBucketArguments(
+        string BucketName,
+        string KeyName,
+        string DestinationFilePathVariableName);
+}
@@ -0,0 +1,6 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record GenerateAudioWorkflowPathsArguments(
+        string TemporaryRootDirectory,
+        string SourceKeyName);
+}
@@ -0,0 +1,9 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record GeneratePictureWorkflowPathsArguments(
+        string TemporaryRootDirectory,
+        string SourceKeyName,
+        string SmallPictureKeyName,
+        string MediumPictureKeyName,
+        string LargePictureKeyName);
+}
@@ -0,0 +1,6 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record RemoveFileFromBucketArguments(
+        string BucketName,
+        string KeyName);
+}
@@ -0,0 +1,8 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record ResizePictureLocalArguments(
+        string SourceFilePathVariableName,
+        string DestinationFilePathVariableName,
+        int Width,
+        int Height);
+}
@@ -0,0 +1,6 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record TranscodeDashAudioArguments(
+        string SourceFilePathVariableName,
+        string WorkingDirectoryVariableName);
+}
@@ -0,0 +1,8 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record TransferFilesToBucketArguments(
+        string DestinationBucketName,
+        string SourceDirectoryVariableName,
+        string? DestinationKeyName = null,
+        string? DestinationKeyNameVariableName = null);
+}
@@ -0,0 +1,9 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record UpdatePlayListPictureArguments(
+        Guid PlayListId,
+        string OriginalPictureKeyName,
+        string SmallPictureKeyName,
+        string MediumPictureKeyName,
+        string LargePictureKeyName);
+}
@@ -0,0 +1,9 @@
+namespace Musify.Infrastructure.Messaging.Activities.Arguments
+{
+    public record UpdateTrackPictureArguments(
+        Guid TrackId,
+        string OriginalPictureKeyName,
+        string SmallPictureKeyName,
+        string MediumPictureKeyName,
+        string LargePictureKeyName);
+}
@@ -0,0 +1,9 @@
+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");
+    }
+}
@@ -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);
+        }
+    }
+}
@@ -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);
+        }
+    }
+}
@@ -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);
+        }
+    }
+}
@@ -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);
+        }
+    }
+}
@@ -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);
+            } );
+        }
+    }
+}
@@ -0,0 +1,16 @@
+using MassTransit;
+using Musify.Application.Contracts.Infrastructure;
+
+namespace Musify.Infrastructure.Messaging
+{
+    public class MassTransitEventBus(IPublishEndpoint publishEndpoint)
+        : IEventBus
+    {
+        public async Task PublishAsync<T>(T message, CancellationToken cancellationToken)
+        {
+            ArgumentNullException.ThrowIfNull(message, nameof(message));
+
+            await publishEndpoint.Publish(message, cancellationToken);
+        }
+    }
+}
@@ -0,0 +1,48 @@
+using MassTransit;
+using Musify.Application.Contracts.Infrastructure;
+using Musify.Domain.Entities;
+
+namespace Musify.Infrastructure.Messaging.Filters
+{
+    public class ProcessTrackingConsumeFilter<TMessage>(IProcessTrackingStore processTrackingStore)
+        : IFilter<ConsumeContext<TMessage>>
+        where TMessage : class
+    {
+        public async Task Send(ConsumeContext<TMessage> context, IPipe<ConsumeContext<TMessage>> next)
+        {
+            var processId = await processTrackingStore.GetOrCreateProcessAsync(
+                typeof(TMessage).Name,
+                context.CorrelationId ?? context.MessageId,
+                context.ConversationId,
+                context.MessageId,
+                context.CancellationToken);
+
+            var stepId = await processTrackingStore.StartStepAsync(
+                processId,
+                $"{typeof(TMessage).Name}.Consume",
+                ProcessStepComponentType.Consumer,
+                0,
+                context.CancellationToken);
+
+            try
+            {
+                await next.Send(context);
+                await processTrackingStore.CompleteStepAsync(processId, stepId, context.CancellationToken);
+            }
+            catch (Exception exception)
+            {
+                await processTrackingStore.FailStepAsync(
+                    processId,
+                    stepId,
+                    exception.Message,
+                    context.CancellationToken);
+                throw;
+            }
+        }
+
+        public void Probe(ProbeContext context)
+        {
+            context.CreateFilterScope(nameof(ProcessTrackingConsumeFilter<TMessage>));
+        }
+    }
+}
@@ -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);
 }
@@ -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);
 }
@@ -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";
+    }
+}
@@ -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;
+        }
+    }
+}
@@ -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));
+        }
+    }
+}
@@ -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;
+        }
+    }
+}
@@ -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";
+        }
+    }
+}