protected override void ExecuteInternal(CmdExecutionContext context, CancellationToken token)
{
InitializeProgress();
String sourceFullPath = Path.Combine(context.InstallerTargetDirectory, Command.SourcePath);
if (!File.Exists(sourceFullPath))
{
throw new CmdExecutionFailedException("A file given by the sourcePath doesn't exist.",
String.Format(Properties.Resources.CopyFileErrorParamMsg, Command.SourcePath));
}
String targetFullPath = Path.Combine(context.InstallerTargetDirectory, Command.TargetPath);
if (!PathUtilities.IsValidPath(targetFullPath))
{
throw new CmdExecutionFailedException("A given targetPath is not a valid path.",
String.Format(Properties.Resources.CopyFileErrorParamMsg, Command.SourcePath));
}
PathUtilities.CreateDirectoryIfNotExist(Path.GetDirectoryName(targetFullPath));
FileUtilities.CopyFileEx(sourceFullPath, targetFullPath, token);
SetMaxProgress();
}
/// <summary>
/// Creates a backup directory for the given file basing on the free space required to backup the given file.
/// </summary>
/// <param name="file"></param>
/// <exception cref="System.IO.IOException"></exception>
/// <returns></returns>
protected String CreateBackupDirForFile(String file)
{
long fileSize = GetSizeInBytes(file);
var tempDirPath = Path.GetTempPath();
var tempDirDrive = new DriveInfo(tempDirPath);
if (tempDirDrive.AvailableFreeSpace > fileSize)
{
var backupDirPath = Path.Combine(tempDirPath, backupStoreName);
PathUtilities.CreateDirectoryIfNotExist(backupDirPath);
//Create path if not exist
return(backupDirPath);
}
else
{
var fixedDrives = DriveInfo.GetDrives().Where(d => d.DriveType == DriveType.Fixed);
foreach (var drive in fixedDrives)
{
if (drive.AvailableFreeSpace > fileSize)
{
var backupDirPath = Path.Combine(drive.Name, backupStoreName);
//Create path if not exist
PathUtilities.CreateDirectoryIfNotExist(backupDirPath);
var backupDir = new DirectoryInfo(backupDirPath);
//backupDir.Attributes = FileAttributes.Directory | FileAttributes.Hidden;
//hidden //<---------------------------------------------------------------------------------------
return(backupDirPath);
}
}
}
throw new IOException("Not enough disk space for the backup");
}
//Ten async i await przed Task.Run mo¿na wyrzuciæ, ale nie wiem jak to wp³ynie na mozliwosci, ponoæ tak lepiej dla wydajnoœci
private async Task RunInstallAsync()
{
await Task.Run(() =>
{
CurrentMessage = WargameModInstaller.Properties.Resources.InstallerInitializing;
//Czy to powinno byæ w task, czy wy¿ej...
PathUtilities.CreateDirectoryIfNotExist(InstallLocation);
var configFilePath = ConfigFileLocator.GetConfigFilePath();
IEnumerable <ICmdGroup> commandGroups = null;
if (ComponentsToInstall != null)
{
commandGroups = installCommandsReader.ReadGroups(configFilePath, ComponentsToInstall);
}
else
{
commandGroups = installCommandsReader.ReadGroups(configFilePath);
}
var commandGroupsExecutors = CreateCommandGroupsExecutors(commandGroups);
var progressProvidingExecutors = GetProgressProvidingExecutors(commandGroupsExecutors);
RegisterProgressProviders(progressProvidingExecutors);
if (isBackupEnabled)
{
//Zapamietac liste dla iteracyjnego restore?
var backupTargetsList = commandGroups
.SelectMany(group => group.Commands)
.OfType <IHasTarget>()
.Select(c => c.TargetPath);
//The InstallerService takes control over the backup porogress notification.
//Tak wogole to total steps powinno byæ obliczone przed rozpoczeciem operacji zwiekszajacych progrss, zeby unikn¹æ skakania paska progressu.
TotalSteps = backupTargetsList.Count();
CurrentStep = 0;
CurrentMessage = WargameModInstaller.Properties.Resources.InstallerBackupingFiles;
foreach (var backupTarget in backupTargetsList)
{
var fileToBackupPath = Path.Combine(InstallLocation, backupTarget);
if (File.Exists(fileToBackupPath))
{
backupService.Backup(fileToBackupPath, cancellationTokenSource.Token);
backupedFiles.Add(fileToBackupPath);
}
CurrentStep++;
//Check for the cancellation
cancellationTokenSource.Token.ThrowIfCancellationRequested();
}
//From now, if the installation is interrupted, the installer restores backuped files.
hasBackupCompleted = true;
}
var executionContext = CreateCmdExecutionContext();
foreach (var executor in commandGroupsExecutors)
{
executor.Execute(executionContext, cancellationTokenSource.Token);
//Check for the cancellation
cancellationTokenSource.Token.ThrowIfCancellationRequested();
}
progressManager.SetProgressMax();
}, cancellationTokenSource.Token);
}
