public override async Task ActivateAsync(object parameter, IDictionary <string, object> state, NavigationMode mode)
{
var param = parameter as StartPageNavigationParameter;
if (_migrationService.Check(param.PreviousVersion))
{
ExecuteMigrations(param.PreviousVersion);
}
Settings.General.AppVersion = _device.AppVersion;
if (string.IsNullOrEmpty(Settings.Authentication.AccessToken) ||
string.IsNullOrEmpty(Settings.Authentication.RefreshToken))
{
_logging.WriteLine($"Credentials not found. Navigating to the {nameof(Navigation.Pages.LoginPage)}.");
_navigationService.Navigate(Navigation.Pages.LoginPage);
_navigationService.ClearHistory();
}
else
{
if (!param.DatabaseExists)
{
_logging.WriteLine("Database does not exist. Downloading all entries and tags.");
await DownloadAllAsync();
}
_navigationService.Navigate(Navigation.Pages.MainPage);
_navigationService.ClearHistory();
}
}
