Subscriptions: insert

Requires authorization

Creates a new subscription. See an example.

Request

HTTP request

POST https://www.googleapis.com/mirror/v1/subscriptions

Authorization

This request requires authorization with the following scope (read more about authentication and authorization).

Scope
https://www.googleapis.com/auth/glass.timeline

Request body

In the request body, supply a Subscriptions resource with the following properties:

Property name	Value	Description	Notes
Required Properties
callbackUrl	string	The URL where notifications should be delivered (must start with https://).	writable
collection	string	The collection to subscribe to. Allowed values are: timeline - Changes in the timeline including insertion, deletion, and updates. locations - Location updates. settings - Settings updates.	writable
Optional Properties
operation[]	list	A list of operations that should be subscribed to. An empty list indicates that all operations on the collection should be subscribed to. Allowed values are: UPDATE - The item has been updated. INSERT - A new item has been inserted. DELETE - The item has been deleted.	writable
userToken	string	An opaque token sent to the subscriber in notifications so that it can determine the ID of the user.	writable
verifyToken	string	A secret token sent to the subscriber in notifications so that it can verify that the notification was generated by Google.	writable

Response

If successful, this method returns a Subscriptions resource in the response body.

Examples

Note: The code examples available for this method do not represent all supported programming languages (see the client libraries page for a list of supported languages).

Java

Uses the Java client library.

import com.google.api.services.mirror.Mirror;
import com.google.api.services.mirror.model.Subscription;

import java.io.IOException;
import java.util.List;

public class MyClass {
  // ...

  /**
   * Subscribe to notifications for the current user.
   * 
   * @param service Authorized Mirror service.
   * @param collection Collection to subscribe to (supported values are "timeline" and
            "locations").
   * @param userToken Opaque token used by the Glassware to identify the user
   *        the notification pings are sent for (recommended).
   * @param verifyToken Opaque token used by the Glassware to verify that the
   *        notification pings are sent by the API (optional).
   * @param callbackUrl URL receiving notification pings (must be HTTPS).
   * @param operation List of operations to subscribe to. Valid values are
   *        "UPDATE", "INSERT" and "DELETE" or {@code null} to subscribe to all.
   */
  public static void subscribeToNotifications(Mirror service, String collection, String userToken,
      String verifyToken, String callbackUrl, List<String> operation) {
    Subscription subscription = new Subscription();
    subscription.setCollection(collection).setUserToken(userToken).setVerifyToken(verifyToken)
        .setCallbackUrl(callbackUrl).setOperation(operation);
    try {
      service.subscriptions().insert(subscription).execute();
    } catch (IOException e) {
      System.err.println("An error occurred: " + e);
    }
  }

  // ...
}

.NET

Uses the .NET client library.

using System;
using System.Collections.Generic;

using Google.Apis.Mirror.v1;
using Google.Apis.Mirror.v1.Data;

public class MyClass {
  // ...

  /// <summary>
  /// Subscribe to notifications for the current user.
  /// </summary>
  /// <param name='service'>Authorized Mirror service.</param>
  /// <param name='collection'>
  /// Collection to subscribe to (supported values are "timeline" and
  /// "locations").
  /// </param>
  /// <param name='userToken'>
  /// Opaque token used by the Glassware to identify the user the
  /// notification pings are sent for (recommended).
  /// </param>
  /// <param name='verifyToken'>
  /// Opaque token used by the Glassware to verify that the notification
  /// pings are sent by the API (optional).
  /// </param>
  /// <param name='callbackUrl'>
  /// URL receiving notification pings (must be HTTPS).
  /// </param>
  /// <param name='operation'>
  /// List of operations to subscribe to. Valid values are "UPDATE", "INSERT"
  /// and "DELETE" or {@code null} to subscribe to all.
  /// </param>
  public static void SubscribeToNotifications(MirrorService service,
      String collection, String userToken, String verifyToken,
      String callbackUrl, List<String> operation) {
    Subscription subscription = new Subscription() {
      Collection = collection,
      UserToken = userToken,
      VerifyToken = verifyToken,
      CallbackUrl = callbackUrl,
      Operation = operation
    };
    try {
      service.Subscriptions.Insert(subscription).Fetch();
    } catch (Exception e) {
      Console.WriteLine("An error occurred: " + e.Message);
    }
  }

  // ...
}

PHP

Uses the PHP client library.

/**
 * Subscribe to notifications for the current user.
 *
 * @param Google_MirrorService $service Authorized Mirror service.
 * @param string $collection Collection to subscribe to (supported
 *                           values are "timeline" and "locations").
 * @param string $userToken Opaque token used by the Service to
 *                          identify the  user the notification pings
 *                          are sent for (recommended).
 * @param string $verifyToken Opaque token used by the Service to verify
 *                            that the notification pings are sent by
 *                            the API (optional).
 * @param string $callbackUrl URL receiving notification pings (must be HTTPS).
 * @param Array $operation List of operations to subscribe to. Valid values
 *                         are "UPDATE", "INSERT" and "DELETE" or
 *                         null to subscribe to all.
 */
function subscribeToNotifications($service, $collection, $userToken,
     $verifyToken, $callbackUrl, $operation) {
  try {
    $subscription = new Google_Subscription();
    $subscription->setCollection($collection);
    $subscription->setUserToken($userToken);
    $subscription->setVerifyToken($verifyToken);
    $subscription->setCallbackUrl($callbackUrl);
    $subscription->setOperation($operation);
    $service->subscriptions->insert($subscription);
  } catch (Exception $e) {
    print 'An error occurred: ' . $e->getMessage();
  }
}

Python

Uses the Python client library.

from apiclient import errors
# ...

def subscribe_to_notifications(service, collection, user_token, verify_token,
                               callback_url, operation):
  """Subscribe to notifications for the current user.

  Args:
    service: Authorized Mirror service.
    collection: Collection to subscribe to (supported values are "timeline"
                and "locations").
    user_token: Opaque token used by the Glassware to identify the user the
                notification pings are sent for (recommended).
    verify_token: Opaque token used by the Glassware to verify that the
                  notification pings are sent by the API (optional).
    callback_url: URL receiving notification pings (must be HTTPS).
    operation: List of operations to subscribe to. Valid values are "UPDATE",
               "INSERT" and "DELETE" or None to subscribe to all.
  """
  subscription = {
      'collection': collection,
      'userToken': user_token,
      'verifyToken': verify_token,
      'callbackUrl': callback_url,
      'operation': operation
   }
  try:
    service.subscriptions().insert(body=subscription).execute()
  except errors.HttpError, error:
    print 'An error occurred: %s' % e

Ruby

Uses the Ruby client library.

##
# Subscribe to notifications for the current user.
#
# @param [Google::APIClient] client
#   Authorized client instance.
# @param [String] collection
#   Collection to subscribe to (supported values are "timeline" and "locations").
# @param [String] user_token
#   Opaque token used by the Glassware to identify the user the notification
#   pings are sent for (recommended).
# @param [String] verify_token
#   Opaque token used by the Glassware to verify that the notification pings are
#   sent by the API (optional).
# @param [String] callback_url
#   URL receiving notification pings (must be HTTPS).
# @param [Array] operation
#   List of operations to subscribe to. Valid values are "UPDATE", "INSERT" and
#   "DELETE" or nil to subscribe to all.
# @return nil
def subscribe_to_notification(client, collection, user_token, verify_token,
                              callback_url, operation)
  mirror = client.discovered_api('mirror', 'v1')
  subscription = mirror.subscriptions.insert.request_schema.new({
    'collection' => collection,
    'userToken' => user_token,
    'verifyToken' => verify_token,
    'callbackUrl' => callback_url,
    'operation' => operation})
  result = client.execute(
    :api_method => mirror.subscriptions.insert,
    :body_object => subscription)
  if result.error?
    puts "An error occurred: #{result.data['error']['message']}"
  end
end

Go

Uses the Go client library.

import (
	"code.google.com/p/google-api-go-client/mirror/v1"
	"fmt"
)

// SubscribeToNotifications subscribes to notifications for the current user.
func SubscribeToNotifications(g *mirror.Service, collection string,
	userToken string, verifyToken string, callbackUrl string,
	operations []string) (*mirror.Subscription, error) {
	s := &mirror.Subscription{
		Collection:  collection,
		UserToken:   userToken,
		VerifyToken: verifyToken,
		CallbackUrl: callbackUrl,
	}
	r, err := g.Subscriptions.Insert(s).Do()
	if err != nil {
		fmt.Printf("An error occurred: %v\n", err)
		return nil, err
	}
	return r, nil
}

Raw HTTP

Does not use a client library.

POST /mirror/v1/subscriptions HTTP/1.1
Authorization: Bearer auth token
Content-Type: application/json
Content-Length: length

{
  "collection": "timeline"
  "userToken": "harold_penguin",
  "operation": ["UPDATE"],
  "callbackUrl": "https://example.com/notify/callback"
}