84 lines
2.9 KiB
C#
84 lines
2.9 KiB
C#
using System;
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using System.IO;
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using NLog;
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using NzbDrone.Common;
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using NzbDrone.Common.EnvironmentInfo;
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namespace NzbDrone.Update.UpdateEngine
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{
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public interface IInstallUpdateService
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{
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void Start(string installationFolder);
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}
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public class InstallUpdateService : IInstallUpdateService
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{
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private readonly IDiskProvider _diskProvider;
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private readonly IDetectApplicationType _detectApplicationType;
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private readonly ITerminateNzbDrone _terminateNzbDrone;
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private readonly IAppDirectoryInfo _appDirectoryInfo;
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private readonly IBackupAndRestore _backupAndRestore;
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private readonly IStartNzbDrone _startNzbDrone;
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private readonly Logger _logger;
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public InstallUpdateService(IDiskProvider diskProvider, IDetectApplicationType detectApplicationType, ITerminateNzbDrone terminateNzbDrone,
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IAppDirectoryInfo appDirectoryInfo, IBackupAndRestore backupAndRestore, IStartNzbDrone startNzbDrone, Logger logger)
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{
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_diskProvider = diskProvider;
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_detectApplicationType = detectApplicationType;
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_terminateNzbDrone = terminateNzbDrone;
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_appDirectoryInfo = appDirectoryInfo;
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_backupAndRestore = backupAndRestore;
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_startNzbDrone = startNzbDrone;
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_logger = logger;
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}
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private void Verify(string targetFolder)
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{
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_logger.Info("Verifying requirements before update...");
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if (String.IsNullOrWhiteSpace(targetFolder))
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throw new ArgumentException("Target folder can not be null or empty");
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if (!_diskProvider.FolderExists(targetFolder))
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throw new DirectoryNotFoundException("Target folder doesn't exist " + targetFolder);
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_logger.Info("Verifying Update Folder");
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if (!_diskProvider.FolderExists(_appDirectoryInfo.GetUpdatePackageFolder()))
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throw new DirectoryNotFoundException("Update folder doesn't exist " + _appDirectoryInfo.GetUpdatePackageFolder());
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}
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public void Start(string installationFolder)
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{
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Verify(installationFolder);
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var appType = _detectApplicationType.GetAppType();
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try
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{
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_terminateNzbDrone.Terminate();
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_backupAndRestore.BackUp(installationFolder);
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_logger.Info("Moving update package to target");
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try
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{
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_diskProvider.CopyDirectory(_appDirectoryInfo.GetUpdatePackageFolder(), installationFolder);
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}
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catch (Exception e)
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{
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_backupAndRestore.Restore(installationFolder);
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_logger.FatalException("Failed to copy upgrade package to target folder.", e);
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}
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}
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finally
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{
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_startNzbDrone.Start(appType, installationFolder);
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}
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}
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}
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}
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