Musify/Musify.Infrastructure/MassTransit/Activities/Files/CopyFileInBucketActivity.cs

using MassTransit;
using Microsoft.Extensions.Logging;
using Musify.Application.Contracts;
using Musify.Infrastructure.MassTransit.Arguments;
using Musify.Infrastructure.MassTransit.Logs;

namespace Musify.Infrastructure.MassTransit.Activities.Files
{
    internal class CopyFileInBucketActivity(
        IStorageService storageHandler,
        ILogger<CopyFileInBucketActivity> logger)
        : IActivity<CopyFileInBucketArguments, CopyFileInBucketLog>
    {
        public const string ExecuteEndpointName = "copy-file-in-bucket";

        public async Task<ExecutionResult> Execute(ExecuteContext<CopyFileInBucketArguments> executeContext)
        {
            try
            {
                await storageHandler.CopyFileAsync(
                    executeContext.Arguments.SourceBucket,
                    executeContext.Arguments.SourceKey,
                    executeContext.Arguments.DestinationBucket,
                    executeContext.Arguments.DestinationKey,
                    executeContext.CancellationToken);

                return executeContext.Completed(new CopyFileInBucketLog(
                    executeContext.Arguments.DestinationBucket,
                    executeContext.Arguments.DestinationKey));
            }
            catch (Exception exception)
            {
                logger.LogError(exception, "Failed to copy {SourceBucket}/{SourceKey} to {DestinationBucket}/{DestinationKey}",
                    executeContext.Arguments.SourceBucket,
                    executeContext.Arguments.SourceKey,
                    executeContext.Arguments.DestinationBucket,
                    executeContext.Arguments.DestinationKey);
                throw;
            }
        }

        public async Task<CompensationResult> Compensate(CompensateContext<CopyFileInBucketLog> compensateContext)
        {
            try
            {
                await storageHandler.RemoveFileAsync(
                    compensateContext.Log.DestinationBucket,
                    compensateContext.Log.DestinationKey,
                    compensateContext.CancellationToken);
                return compensateContext.Compensated();
            }
            catch (Exception exception)
            {
                logger.LogError(exception, "Failed to compensate copied file {Bucket}/{Key}",
                    compensateContext.Log.DestinationBucket,
                    compensateContext.Log.DestinationKey);
                return compensateContext.Failed(exception);
            }
        }
    }
}