public MainForm(string settingsXMLPath, int processID)
{
InitializeComponent();
this.businessLogic = new UpdaterBusiness();
if (settingsXMLPath.Length < 1 || System.IO.File.Exists(settingsXMLPath))
{
this.updaterSettings = this.businessLogic.LoadSettings(settingsXMLPath);
}
this.processID = processID;
}
/// <summary>
/// Updates the specified updater settings.
/// </summary>
/// <param name="updaterSettings">The updater settings.</param>
/// <returns>the result of the update</returns>
public EUpdateResult Update(Settings updaterSettings, int processID)
{
EUpdateResult updateResult;
// TODO get admin rights
try
{
MemoryStream dataStream = null;
updateResult = this.CheckUpdatePossible(updaterSettings, out dataStream);
if (updateResult == EUpdateResult.None)
{
System.Diagnostics.Process process = System.Diagnostics.Process.GetProcessById(processID);
process.Kill();
try
{
this.BackUpOldData();
updateResult = this.UpdateDatabase();
updateResult = this.UpdateFileData(updaterSettings, dataStream);
}
catch
{
updateResult = EUpdateResult.Error;
}
if (updateResult != EUpdateResult.Success)
{
this.RestoreBackup();
}
// TODO Save Settings with the new version
System.Diagnostics.Process.Start(process.MainModule.FileName);
}
}
catch (Exception e)
{
updateResult = EUpdateResult.Error;
// TODO Error schreiben
}
return updateResult;
}
private bool AreSettingsValid(Settings updaterSettings, out Version currentVersion)
{
if (!Version.TryParse(updaterSettings.CurrentVersion, out currentVersion))
{
return false;
}
string websiteRegEx = "^http(s)?://([\\w-]+.)+[\\w-]+(/[\\w- ./?%&=])?$";
Regex testingSettings = new Regex(websiteRegEx);
if (!testingSettings.IsMatch(updaterSettings.WebUpdateFilePath) || !testingSettings.IsMatch(updaterSettings.WebUpdateVersionPath))
{
return false;
}
if (updaterSettings.TempUpdateFilePath.Length < 1 ||
updaterSettings.ApplicationPath.Length < 1 ||
System.IO.Directory.Exists(updaterSettings.ApplicationPath) ||
System.IO.Directory.Exists(updaterSettings.TempUpdateFilePath))
{
return false;
}
return true;
}
private EUpdateResult UpdateFileData(Settings updaterSettings, MemoryStream dataStream)
{
this.DeleteFiles(updaterSettings.ApplicationPath);
FastZip fastZip = new FastZip();
fastZip.ExtractZip(dataStream, updaterSettings.ApplicationPath, FastZip.Overwrite.Always, null, string.Empty, string.Empty, false, true);
return EUpdateResult.Success;
}
private EUpdateResult DownloadDataFiles(Settings updaterSettings, out MemoryStream dataStream)
{
byte[] data = null;
try
{
data = new System.Net.WebClient().DownloadData(updaterSettings.WebUpdateFilePath + updaterSettings.WebUpdateFileName);
}
catch
{
dataStream = null;
return EUpdateResult.WebDatasCantDownload;
}
dataStream = new MemoryStream(data);
return EUpdateResult.None;
}
private EUpdateResult CheckUpdatePossible(Settings updaterSettings, out MemoryStream dataStream)
{
EUpdateResult updateResult = EUpdateResult.None;
Version currentVersion;
if (!this.AreSettingsValid(updaterSettings, out currentVersion))
{
dataStream = null;
return EUpdateResult.SettingsAreIncorect;
}
updateResult = this.IsNewVersionAvailable(updaterSettings.WebUpdateVersionPath, currentVersion);
if (updateResult != EUpdateResult.None)
{
dataStream = null;
return updateResult;
}
updateResult = this.DownloadDataFiles(updaterSettings, out dataStream);
if (updateResult != EUpdateResult.None)
{
return updateResult;
}
return EUpdateResult.None;
}