Changes

2026-03-24 14:45:20 +01:00
parent da4b76f499
commit 27d68986c5
66 changed files with 1830 additions and 922 deletions
@@ -0,0 +1,89 @@
+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));
+            }
+        }
+    }
+}