internal static bool RestoreCountry(EM_UI_MainForm mainForm, string backUpFolder = "")
{
bool reportSuccess = false;
if (backUpFolder == string.Empty) //called via button in MainForm
{
FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog();
folderBrowserDialog.SelectedPath = EMPath.Folder_BackUps(EM_AppContext.FolderEuromodFiles);
folderBrowserDialog.Description = "Please select the back-up folder";
if (folderBrowserDialog.ShowDialog() == System.Windows.Forms.DialogResult.Cancel)
{
return(true);
}
backUpFolder = folderBrowserDialog.SelectedPath;
reportSuccess = true;
}
else //called from a catch-branch, i.e. using just generated back-up in Temp/BackUp
{
backUpFolder = EMPath.Folder_BackUps(EM_AppContext.FolderEuromodFiles) + backUpFolder;
}
string countryShortName = mainForm.GetCountryShortName();
bool isAddOn = CountryAdministrator.IsAddOn(countryShortName);
try
{
//check if backUpFolder contains the necessary files and if the files actually contain a backup of the loaded country/add-on ...
string errorMessage;
if (!Country.DoesFolderContainValidXMLFiles(countryShortName, out errorMessage, backUpFolder, isAddOn,
true)) //check if countryShortName corresponds to country's short name as stored in the XML-file
{
throw new System.ArgumentException(errorMessage);
}
//... if yes, copy files form backup-folder to Countries-folder
if (!Country.CopyXMLFiles(countryShortName, out errorMessage, backUpFolder))
{
throw new System.ArgumentException(errorMessage);
}
mainForm.ReloadCountry();
if (reportSuccess) //report success only if called via button (and not if called by a failed function)
{
UserInfoHandler.ShowSuccess("Successfully restored using back-up stored in" + Environment.NewLine + backUpFolder + ".");
}
return(true);
}
catch (Exception exception)
{
UserInfoHandler.ShowError("Restore failed because of the error stated below." + Environment.NewLine +
"You may want to try a manual restore via the button in the ribbon 'Country Tools'." + Environment.NewLine + Environment.NewLine +
exception.Message);
return(false);
}
}
