protected override void OnOperationStarting(object sender, PackageOperationEventArgs e)
{
var context = _packageOperationContextService.CurrentContext;
if (e.PackageOperationType == PackageOperationType.Uninstall)
{
_backupFileSystemService.BackupFolder(e.InstallPath);
_rollbackPackageOperationService.PushRollbackAction(() => _backupFileSystemService.Restore(e.InstallPath), context);
return;
}
if (e.PackageOperationType == PackageOperationType.Install)
{
_rollbackPackageOperationService.PushRollbackAction(() => _fileSystemService.DeleteDirectory(e.InstallPath), context);
}
base.OnOperationStarting(sender, e);
}
protected override void OnOperationStarting(object sender, PackageOperationEventArgs e)
{
var packagesConfig = Catel.IO.Path.Combine(Catel.IO.Path.GetParentDirectory(e.InstallPath), "packages.config");
if (e.PackageOperationType == PackageOperationType.Uninstall)
{
_backupFileSystemService.BackupFolder(e.InstallPath);
_backupFileSystemService.BackupFile(packagesConfig);
_rollbackPackageOperationService.PushRollbackAction(() =>
{
_backupFileSystemService.Restore(e.InstallPath);
_backupFileSystemService.Restore(packagesConfig);
}, CurrentContext);
}
if (e.PackageOperationType == PackageOperationType.Install)
{
_rollbackPackageOperationService.PushRollbackAction(() =>
{
bool success = true;
try
{
_directoryService.Delete(e.InstallPath);
success = !_directoryService.Exists(e.InstallPath);
}
catch (Exception)
{
success = false;
}
finally
{
if (!success)
{
_fileSystemService.CreateDeleteme(e.PackageDetails.Id, e.InstallPath);
Log.Error($"Failed to delete directory {e.InstallPath} during rollback actions.");
}
}
},
CurrentContext
);
}
}