enter code here Я хочу добавить событие в календарь Google, используя объект httpClient.Я выполнил авторизацию, она работает, она извлекает данные о событиях календаря, и теперь я хочу добавить событие в календарь Google. Заранее спасибо.
static string clientId = "your id";
static string redirectURI = "pw.sample2:/oauth2redirect";
//static string redirectURI = "com.contoso.showproduct";
static string scope = "https://www.googleapis.com/auth/calendar.readonly";
static string SpotifyUrl = $"https://accounts.google.com/o/oauth2/auth?client_id={clientId}&redirect_uri={Uri.EscapeDataString(redirectURI)}&response_type=code&scope={Uri.EscapeDataString(scope)}";
Uri StartUri = new Uri(SpotifyUrl);
Uri EndUri = new Uri(redirectURI);
public MainPage()
{
this.InitializeComponent();
Get();
}
private async void Get()
{
WebAuthenticationResult WebAuthenticationResult = await WebAuthenticationBroker.AuthenticateAsync(WebAuthenticationOptions.None, StartUri, EndUri);
if (WebAuthenticationResult.ResponseStatus == WebAuthenticationStatus.Success)
{
var decoder = new WwwFormUrlDecoder(new Uri(WebAuthenticationResult.ResponseData).Query);
if (decoder[0].Name != "code")
{
System.Diagnostics.Debug.WriteLine($"OAuth authorization error: {decoder.GetFirstValueByName("error")}.");
return;
}
var autorizationCode = decoder.GetFirstValueByName("code");
//Get Access Token
var pairs = new Dictionary<string, string>();
pairs.Add("code", autorizationCode);
pairs.Add("client_id", clientId);
pairs.Add("redirect_uri", redirectURI);
pairs.Add("grant_type", "authorization_code");
var formContent = new Windows.Web.Http.HttpFormUrlEncodedContent(pairs);
var client = new Windows.Web.Http.HttpClient();
var httpResponseMessage = await client.PostAsync(new Uri("https://www.googleapis.com/oauth2/v4/token"), formContent);
if (!httpResponseMessage.IsSuccessStatusCode)
{
System.Diagnostics.Debug.WriteLine($"OAuth authorization error: {httpResponseMessage.StatusCode}.");
return;
}
string jsonString = await httpResponseMessage.Content.ReadAsStringAsync();
var jsonObject = Windows.Data.Json.JsonObject.Parse(jsonString);
var accessToken = jsonObject["access_token"].GetString();
//Call Google Calendar API
using (var httpRequest = new Windows.Web.Http.HttpRequestMessage())
{
string calendarAPI = "https://www.googleapis.com/calendar/v3/users/me/calendarList";
httpRequest.Method = Windows.Web.Http.HttpMethod.Get;
httpRequest.RequestUri = new Uri(calendarAPI);
httpRequest.Headers.Authorization = new Windows.Web.Http.Headers.HttpCredentialsHeaderValue("Bearer", accessToken);
var response = await client.SendRequestAsync(httpRequest);
if (response.IsSuccessStatusCode)
{
var listString = await response.Content.ReadAsStringAsync();
//TODO
}
}
}
}
Код выше работает для авторизации.
public App()
{
this.InitializeComponent();
this.Suspending += OnSuspending;
}
/// <summary>
/// Invoked when the application is launched normally by the end user. Other entry points
/// will be used such as when the application is launched to open a specific file.
/// </summary>
/// <param name="e">Details about the launch request and process.</param>
protected async override void OnLaunched(LaunchActivatedEventArgs e)
{
Frame rootFrame = Window.Current.Content as Frame;
// Do not repeat app initialization when the Window already has content,
// just ensure that the window is active
if (rootFrame == null)
{
// Create a Frame to act as the navigation context and navigate to the first page
rootFrame = new Frame();
rootFrame.NavigationFailed += OnNavigationFailed;
if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
{
//TODO: Load state from previously suspended application
}
// Place the frame in the current Window
Window.Current.Content = rootFrame;
}
if (e.PrelaunchActivated == false)
{
if (rootFrame.Content == null)
{
// When the navigation stack isn't restored navigate to the first page,
// configuring the new page by passing required information as a navigation
// parameter
rootFrame.Navigate(typeof(MainPage ), e.Arguments);
}
// Ensure the current window is active
Window.Current.Activate();
}
//var messageDialog = new MessageDialog("No internet connection has been found.");
//await messageDialog.ShowAsync();
}
/// <summary>
/// Invoked when the application is launched through a custom URI scheme, such as
/// is the case in an OAuth 2.0 authorization flow.
/// </summary>
/// <param name="args">Details about the URI that activated the app.</param>
protected async override void OnActivated(IActivatedEventArgs args)
{
// When the app was activated by a Protocol (custom URI scheme), forwards
// the URI to the MainPage through a Navigate event.
if (args.Kind == ActivationKind.Protocol)
{
// Extracts the authorization response URI from the arguments.
ProtocolActivatedEventArgs protocolArgs = (ProtocolActivatedEventArgs)args;
Uri uri = protocolArgs.Uri;
Debug.WriteLine("Authorization Response: " + uri.AbsoluteUri);
// Gets the current frame, making one if needed.
var frame = Window.Current.Content as Frame;
if (frame == null)
frame = new Frame();
// Opens the URI for "navigation" (handling) on the MainPage.
frame.Navigate(typeof(MainPage), uri);
Window.Current.Content = frame;
Window.Current.Activate();
}
//var messageDialog = new MessageDialog("resume");
//await messageDialog.ShowAsync();
}
/// <summary>
/// Invoked when Navigation to a certain page fails
/// </summary>
/// <param name="sender">The Frame which failed navigation</param>
/// <param name="e">Details about the navigation failure</param>
void OnNavigationFailed(object sender, NavigationFailedEventArgs e)
{
throw new Exception("Failed to load Page " + e.SourcePageType.FullName);
}
/// <summary>
/// Invoked when application execution is being suspended. Application state is saved
/// without knowing whether the application will be terminated or resumed with the contents
/// of memory still intact.
/// </summary>
/// <param name="sender">The source of the suspend request.</param>
/// <param name="e">Details about the suspend request.</param>
private void OnSuspending(object sender, SuspendingEventArgs e)
{
var deferral = e.SuspendingOperation.GetDeferral();
//TODO: Save application state and stop any background activity
deferral.Complete();
}
и мой файл app.xaml
Теперь я хочу создать событие в календаре Google.