// Copyright 2024 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

// http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

// This is a generated sample, using the typeless sample bot. Please

// look for the source TypeScript sample (.ts) for modifications.

'use strict';

/**

* This application demonstrates how to perform basic operations on

* subscriptions with the Google Cloud Pub/Sub API.

*

* For more information, see the README.md under /pubsub and the documentation

* at https://cloud.google.com/pubsub/docs.

*/

// sample-metadata:

// title: Create Push Subscription With No Wrapper

// description: Creates a new push subscription, but disables wrapping for payloads.

// usage: node createPushSubscriptionNoWrapper.js <endpoint-url> <topic-name-or-id> <subscription-name-or-id>

// [START pubsub_create_unwrapped_push_subscription]

/**

* TODO(developer): Uncomment these variables before running the sample.

*/

// const pushEndpoint = 'YOUR_ENDPOINT_URL';

// const topicNameOrId = 'YOUR_TOPIC_NAME_OR_ID';

// const subscriptionNameOrId = 'YOUR_SUBSCRIPTION_NAME_OR_ID';

// Imports the Google Cloud client library

const {PubSub} = require('@google-cloud/pubsub');

// Creates a client; cache this for further use

const pubSubClient = new PubSub();

async function createPushSubscriptionNoWrapper(

pushEndpoint,

topicNameOrId,

subscriptionNameOrId,

) {

const options = {

pushConfig: {

// Set to an HTTPS endpoint of your choice. If necessary, register

// (authorize) the domain on which the server is hosted.

pushEndpoint,

// When true, writes the Pub/Sub message metadata to

// `x-goog-pubsub-<KEY>:<VAL>` headers of the HTTP request. Writes the

// Pub/Sub message attributes to `<KEY>:<VAL>` headers of the HTTP request.

noWrapper: {

writeMetadata: true,

},

},

};

await pubSubClient

.topic(topicNameOrId)

.createSubscription(subscriptionNameOrId, options);

console.log(`Subscription ${subscriptionNameOrId} created.`);

}

// [END pubsub_create_unwrapped_push_subscription]

function main(

pushEndpoint = 'YOUR_ENDPOINT_URL',

topicNameOrId = 'YOUR_TOPIC_NAME_OR_ID',

subscriptionNameOrId = 'YOUR_SUBSCRIPTION_NAME_OR_ID',

) {

createPushSubscriptionNoWrapper(

pushEndpoint,

topicNameOrId,

subscriptionNameOrId,

).catch(err => {

console.error(err.message);

process.exitCode = 1;

});

}

main(...process.argv.slice(2));