public static async Task<ConnectionResult> ConnectToGoogleDrive(Controller controller, CancellationToken token)
{
string userId = controller.User.Identity.GetUserId();
GoogleDriveService service = null;
if (ServiceCache.TryGetValue(userId, out service))
return new ConnectionResult(service, null);
var result = await new AuthorizationCodeMvcApp(controller, new AppFlowMetadata()).AuthorizeAsync(token);
if (result.Credential == null)
{
return new ConnectionResult(null, result.RedirectUri);
}
var Service = new DriveService(new BaseClientService.Initializer
{
HttpClientInitializer = result.Credential,
ApplicationName = GoogleDriveSettings.APP_NAME
});
service = new GoogleDriveService(new DriveDataService(Service));
ServiceCache[userId] = service;
return new ConnectionResult(service, null);
}
public ConnectionResult(GoogleDriveService driveService, string redirect)
{
DriveService = driveService;
Redirect = redirect;
}