private void InitXeroWebView()
{
xeroWebView.Source = AuthorizeLink();
activityIndicator.IsVisible = false;
xeroWebView.Navigated += async(object sender, WebNavigatedEventArgs e) =>
{
if (e.Url.Contains(@"https://www.xero.com/nz/"))
{
activityIndicator.IsVisible = true;
int indexStart = e.Url.IndexOf("code=") + 5;
int length = e.Url.IndexOf("&scope=") - indexStart;
Preferences.Set("Code", e.Url.Substring(indexStart, length));
try {
await XeroAPI.GetToken();
await XeroAPI.GetTenantID();
await XeroAPI.GetInvoices();
await XeroAPI.FillData();
}
catch {
await DisplayAlert("XERO API", "Failure in retrieving data from XERO", "OK");
}
await Navigation.PopModalAsync();
}
};
}
// Get data from XERO API.
private async void LoadDeliveryBtn_Clicked(object sender, EventArgs e)
{
if (!App.CheckIfInternet())
{
await DisplayAlert("Oops", "No internet connection, couldn't load data from XERO", "OK");
return;
}
spinnerActivity.IsVisible = true;
// no access token in Preferences: first run -> login
// more than 30 days -> login
// more than 30 mins -> get new access token
// otherwise -> get data directly
XeroAPI.DecodeAccessToken();
long currentUnixTimeStamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
try
{
if (XeroAPI._accessToken == null || currentUnixTimeStamp - XeroAPI._accessToken.nbf >= 30 * 24 * 3600)
{
await Navigation.PushModalAsync(new XEROWebPage());
GridOverlay.IsVisible = false;
}
else if (currentUnixTimeStamp - XeroAPI._accessToken.nbf > 1800)
{
// get a new access token
await XeroAPI.RefreshToken();
await XeroAPI.GetTenantID();
await XeroAPI.GetInvoices();
await XeroAPI.FillData();
SupplyOrder();
//await DisplayAlert("Xero API", "You got a new access Token", "OK");
await DisplayAlert("Xero API", "Data has been loaded", "OK");
}
else
{
// get the data by the access token;
await XeroAPI.GetTenantID();
await XeroAPI.GetInvoices();
await XeroAPI.FillData();
SupplyOrder();
await DisplayAlert("Xero API", "Data has been loaded", "OK");
}
}
catch
{
await DisplayAlert("Xero API", "Failure in loading data from XERO", "OK");
}
spinnerActivity.IsVisible = false;
}
private void InitXeroWebView()
{
xeroWebView.Source = AuthorizeLink();
activityIndicator.IsVisible = false;
xeroWebView.Navigated += async(object sender, WebNavigatedEventArgs e) =>
{
if (e.Url.Contains(@"https://www.xero.com/nz/"))
{
activityIndicator.IsVisible = true;
int indexStart = e.Url.IndexOf("code=") + 5;
int length = e.Url.IndexOf("&scope=") - indexStart;
Preferences.Set("Code", e.Url.Substring(indexStart, length));
var isSuccess = await XeroAPI.GetToken();
await XeroAPI.GetTenantID();
await XeroAPI.GetInvoices();
//await DisplayAlert("OK", $"{XeroAPI._InvoiceResponse.Invoices[0].InvoiceID}", "OK");
await XeroAPI.FillData();
await Navigation.PopModalAsync();
}
};
}