private async void SetupUI()
{
loadingCircle.Visibility = ViewStates.Visible;
// We've opened the app before and cached the ideas offline
if (File.Exists(Global.IDEAS_PATH))
{
var cachedDb = await DBSerializer.DeserializeDBAsync <List <Category> >(Global.IDEAS_PATH);
if (cachedDb != null)
{
Global.Categories = cachedDb;
categoryList.AddRange(cachedDb);
SetupList();
IdeasDownloader.StartLowkeyInvalidation();
}
else
{
File.Delete(Global.IDEAS_PATH);
await DownloadIdeasAfresh();
}
}
else // We've never opened the app before so we need to download the ideas from the server
{
await DownloadIdeasAfresh();
}
SetSubtitle("Not logged in");
Global.LoginData = JsonConvert.DeserializeObject <LoginResponseData>(PreferenceManager.Instance.GetEntry("loginData"));
if (Global.LoginData != null)
{
SetSubtitle(Global.LoginData.Email);
IdeaBagApi.Instance.SetAuthToken(Global.LoginData.Token);
}
}
private async Task DownloadIdeasAfresh()
{
var snack = Snackbar.Make(bookmarksFab, "Getting ideas from server. Please wait.", Snackbar.LengthIndefinite);
snack.Show();
var response = await IdeasDownloader.DownloadIdeasFromGoogleDrive();
if (response.Item1 != null)
{
// Item1 is the ideas from the Google Drive repo
Global.Categories = response.Item1;
categoryList = response.Item1;
snack.Dismiss();
SetupList();
}
else
{
loadingCircle.Visibility = ViewStates.Gone;
if (response.Item2 is TaskCanceledException)
{
snack.SetText("Couldn't download ideas. Your connection might be too slow.").SetAction("Retry", (v) => SetupUI()).Show();
}
else if (response.Item2 is HttpRequestException)
{
snack.SetText("Couldn't download ideas. Please check your connection and retry.").SetAction("Retry", (v) => SetupUI()).Show();
}
}
}
