示例#1
0
    public Program(
        IFileSystem fileSystem,
        IMetadataReader metadataReader,
        TextWriter outputWriter,
        CancellationTokenSource cancellationTokenSource)
    {
        /* Composition Root. Out of process resources can be swapped with fakes in tests. */
        _outputWriter            = outputWriter;
        _cancellationTokenSource = cancellationTokenSource;
        var report            = new Report(_outputWriter);
        var cameraFilesFinder = new CameraFilesFinder(fileSystem);

        cameraFilesFinder.OnCameraFilesFound += report.HandleCameraFilesFound;
        var cameraFileFactory       = new CameraFileFactory();
        var cameraFileNameConverter =
            new CameraFileNameConverter(
                metadataReader,
                cameraFileFactory,
                fileSystem);
        var consoleOutput    = new ConsoleOutput(_outputWriter);
        var cameraFileCopier =
            new CameraFileTransferer(
                cameraFileNameConverter,
                fileSystem,
                (s, d, o) => fileSystem.File.Copy(s, d, o));

        cameraFileCopier.OnFileTransferred +=
            (_, args) => consoleOutput.HandleFileCopied(args.sourceFile, args.destinationFile);
        AssignEventHandlersForCameraFileTransferer(cameraFileCopier);
        var internalCopyingOrchestrator =
            new Orchestrator(
                cameraFilesFinder,
                cameraFileCopier,
                _cancellationTokenSource.Token);

        internalCopyingOrchestrator.OnError +=
            (_, args) => consoleOutput.HandleError(args.filePath, args.error);
        internalCopyingOrchestrator.OnError +=
            (_, args) => report.AddErrorForFile(args.filePath, args.error);
        internalCopyingOrchestrator.OnException +=
            (_, args) => consoleOutput.HandleException(args.filePath, args.exception);
        internalCopyingOrchestrator.OnException +=
            (_, args) => report.AddExceptionForFile(args.filePath, args.exception);
        IOrchestrator copyingOrchestrator =
            new ReportingOrchestratorDecorator(
                internalCopyingOrchestrator,
                report);
        var cameraFileMover =
            new CameraFileTransferer(
                cameraFileNameConverter,
                fileSystem,
                (s, d, o) => fileSystem.File.Move(s, d, o));

        cameraFileMover.OnFileTransferred +=
            (_, args) => consoleOutput.HandleFileMoved(args.sourceFile, args.destinationFile);
        AssignEventHandlersForCameraFileTransferer(cameraFileMover);
        var internalMovingOrchestrator =
            new Orchestrator(
                cameraFilesFinder,
                cameraFileMover,
                _cancellationTokenSource.Token);

        internalMovingOrchestrator.OnError +=
            (_, args) => consoleOutput.HandleError(args.filePath, args.error);
        internalMovingOrchestrator.OnError +=
            (_, args) => report.AddErrorForFile(args.filePath, args.error);
        internalMovingOrchestrator.OnException +=
            (_, args) => consoleOutput.HandleException(args.filePath, args.exception);
        internalMovingOrchestrator.OnException +=
            (_, args) => report.AddExceptionForFile(args.filePath, args.exception);
        IOrchestrator movingOrchestrator =
            new ReportingOrchestratorDecorator(
                internalMovingOrchestrator,
                report);

        _copyCommand = new CopyCommand(args => copyingOrchestrator.Execute(args));
        _moveCommand = new MoveCommand(args => movingOrchestrator.Execute(args));

        var fileChecker =
            new FileChecker(
                cameraFilesFinder,
                metadataReader,
                cameraFileFactory,
                new Commands.Check.Output.ConsoleOutput(_outputWriter));

        _checkCommand = new CheckCommand(args => fileChecker.Execute(args));

        void AssignEventHandlersForCameraFileTransferer(
            CameraFileTransferer cameraFileTransferer)
        {
            cameraFileTransferer.OnDirectoryCreated +=
                (_, directory) => consoleOutput.HandleCreatedDirectory(directory);
            cameraFileTransferer.OnFileSkipped +=
                (_, args) => consoleOutput.HandleFileSkipped(args.sourceFile, args.destinationFile);
            cameraFileTransferer.OnFileSkipped +=
                (_, args) => report.AddSkippedFile(args.sourceFile, args.destinationFile);
            cameraFileTransferer.OnFileTransferred +=
                (_, args) => report.IncrementTransferred(args.dryRun);
        }
    }