private static async Task <InstallationResultViewModel> PerformOperation(IViewModelService viewModelService, IInstallService installService, INotificationService notificationService, InstallerViewModel installerViewModel, InstallationViewModel currentInstallationViewModel, string installerFilePath, bool enableSilentInstallation, bool disableReboot,
bool enableInstallationLogging, string?logFolderPath = null)
{
string?installLogFilePath = null;
string?uninstallLogFilePath = null;
if (enableInstallationLogging)
{
if (String.IsNullOrEmpty(logFolderPath))
{
Log.Warn("Installation logging is enabled but the logFolderPath is null or empty.");
}
else if (!Directory.Exists(logFolderPath))
{
Log.Warn("logFolderPath is set but the directory doesn't exist.");
}
else
{
installLogFilePath = GetLogFilePathForInstaller(logFolderPath !, installerViewModel.Name ?? "unkown", "install");
uninstallLogFilePath = GetLogFilePathForInstaller(logFolderPath !, installerViewModel.Name ?? "unkown", "uninstall");
}
}
var installArguments = GetArguments(
enableSilentInstallation,
disableReboot,
enableInstallationLogging,
installLogFilePath).ToArray();
var uninstallArguments = GetArguments(
enableSilentInstallation,
disableReboot,
enableInstallationLogging,
uninstallLogFilePath).ToArray();
var installationResultViewModel = viewModelService.CreateViewModel <InstallationResultViewModel>(installerViewModel);
try
{
switch (installerViewModel.SelectedOperation)
{
case InstallerOperation.Install:
if (installerViewModel.IsInstalled != false)
{
if (installerViewModel.IsInstalled == null)
{
Log.Warn($"Installation status of file \"{installerViewModel.FileName}\" is unavailable, trying to uninstall.");
}
else
{
Log.Info($"The application \"{installerViewModel.Name}\" with ProductCode \"{installerViewModel.ProductCode}\" is already installed. It will now be uninstalled first.");
}
if (String.IsNullOrWhiteSpace(installerViewModel.ProductCode))
{
var exception = new Exception($"Uninstalling \"{installerViewModel.FileName}\" failed: ProductCode is not set.");
Log.Error(exception);
if (installerViewModel.IsInstalled == true)
{
return(CreateInstallationFailedResult(viewModelService, installerViewModel, exception));
}
}
else
{
Log.Info($"Uninstalling application of installer \"{installerViewModel.FileName}\" now.");
currentInstallationViewModel.CurrentOperation = InstallationOperation.Uninstall;
if (enableInstallationLogging && uninstallLogFilePath is string)
{
installationResultViewModel.InstallationLogFilePaths.Add(uninstallLogFilePath);
}
try
{
await installService.PerformAsync(new Operation(installerViewModel.ProductCode, OperationType.Uninstall, uninstallArguments));
Log.Info($"Finished uninstalling.");
}
catch (Exception exception)
{
// suppress exception if installation status is unknown
if (installerViewModel.IsInstalled == true)
{
throw;
}
Log.Warn("Uninstalling failed, but since the installation state is unavailable, the operation will continue", exception);
}
}
}
Log.Info($"Installing \"{installerViewModel.FileName}\" now.");
currentInstallationViewModel.CurrentOperation = InstallationOperation.Install;
if (enableInstallationLogging && installLogFilePath is string)
{
installationResultViewModel.InstallationLogFilePaths.Add(installLogFilePath);
}
await installService.PerformAsync(new Operation(installerFilePath, OperationType.Install, installArguments));
Log.Info($"Finished installing.");
installationResultViewModel.State = InstallationResultState.Success;
break;
case InstallerOperation.Uninstall:
if (installerViewModel.IsInstalled == null)
{
Log.Warn($"Installation status of file \"{installerViewModel.FileName}\" is unavailable, trying to uninstall.");
}
else if (installerViewModel.IsInstalled == false)
{
Log.Warn($"The application \"{installerViewModel.Name}\" with ProductCode \"{installerViewModel.ProductCode}\" is not installed. Trying to uninstall anyways but it will likely fail.");
}
else
{
Log.Info($"The application \"{installerViewModel.Name}\" with ProductCode \"{installerViewModel.ProductCode}\" will now be uninstalled.");
}
if (String.IsNullOrWhiteSpace(installerViewModel.ProductCode))
{
var exception = new Exception($"Uninstalling \"{installerViewModel.FileName}\" failed: ProductCode is not set.");
Log.Error(exception);
return(CreateInstallationFailedResult(viewModelService, installerViewModel, exception));
}
Log.Info($"Uninstalling application of installer \"{installerViewModel.FileName}\" now.");
currentInstallationViewModel.CurrentOperation = InstallationOperation.Uninstall;
if (enableInstallationLogging && uninstallLogFilePath is string)
{
installationResultViewModel.InstallationLogFilePaths.Add(uninstallLogFilePath);
}
await installService.PerformAsync(new Operation(installerViewModel.ProductCode, OperationType.Uninstall, uninstallArguments));
Log.Info($"Finished uninstalling.");
installationResultViewModel.State = InstallationResultState.Success;
break;
default:
installationResultViewModel.State = InstallationResultState.Skipped;
break;
}
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception exception)
{
Log.Error(exception);
var errorMessage = installerViewModel.SelectedOperation switch
{
InstallerOperation.Install => Strings.InstallationOfXFailed,
InstallerOperation.Uninstall => Strings.UninstallationOfXFailed,
_ => Strings.OperationOfXFailed,
};
notificationService.ShowError(String.Format(errorMessage, installerViewModel.Name));
return(CreateInstallationFailedResult(viewModelService, installerViewModel, exception));
}
#pragma warning restore CA1031 // Do not catch general exception types
return(installationResultViewModel);
}
