return connection != null ? connection.getApi() : null;
}
@Bean
public CanvasSignInController canvasSignInController(ConnectionFactoryLocator connectionFactoryLocator, UsersConnectionRepository usersConnectionRepository, Environment env) {
return new CanvasSignInController(connectionFactoryLocator, usersConnectionRepository, new SimpleSignInAdapter(), env.getProperty("facebook.appKey"), env.getProperty("facebook.appSecret"), env.getProperty("facebook.canvasPage"));
}