Musify/backend/Core/Musify.Infrastructure/MassTransit/Consumers/ProcessingSlipFaultConsumer.cs

using MassTransit;
using MassTransit.Courier.Contracts;
using Musify.Application.Events;

namespace Musify.Infrastructure.MassTransit.Consumers
{
    public class ProcessingSlipFaultConsumer : IConsumer<RoutingSlipFaulted>
    {
        public const string QueueName = "processing-slip-fault";

        public async Task Consume(ConsumeContext<RoutingSlipFaulted> context)
        {
            var variables = context.Message.Variables;

            if (!variables.TryGetValue(RoutingSlipVariableNames.Workflow.ProcessKind, out var kindObject))
                return;

            if (!variables.TryGetValue(RoutingSlipVariableNames.Workflow.SubjectId, out var subjectObject)
                || !Guid.TryParse(subjectObject?.ToString(), out var subjectId))
                return;

            switch (kindObject?.ToString())
            {
                case RoutingSlipVariableNames.ProcessKinds.TrackPicture:
                    await context.Publish(new TrackPictureProcessingFailed(subjectId));
                    break;
                case RoutingSlipVariableNames.ProcessKinds.TrackAudio:
                    await context.Publish(new TrackAudioProcessingFailed(subjectId));
                    break;
                case RoutingSlipVariableNames.ProcessKinds.PlayListPicture:
                    await context.Publish(new PlayListPictureProcessingFailed(subjectId));
                    break;
            }
        }
    }
}