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send-message-live-agent-request-suggestion.js
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send-message-live-agent-request-suggestion.js
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//// Copyright 2022 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
////
//// https://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 code sends a text message to the user with a Live agent request suggestion
* that allows the user to connect with a Live agent.
* Read more: https://developers.google.com/business-communications/business-messages/guides/how-to/message/send?hl=en#live_agent_request_suggestion
*
* This code is based on the https://github.com/google-business-communications/nodejs-businessmessages Node.js
* Business Messages client library.
*/
/**
* Edit the values below:
*/
const PATH_TO_SERVICE_ACCOUNT_KEY = './service_account_key.json';
const CONVERSATION_ID = 'EDIT_HERE';
const businessmessages = require('businessmessages');
const uuidv4 = require('uuid').v4;
const {google} = require('googleapis');
// Initialize the Business Messages API
const bmApi = new businessmessages.businessmessages_v1.Businessmessages({});
// Set the scope that we need for the Business Messages API
const scopes = [
'https://www.googleapis.com/auth/businessmessages',
];
// Set the private key to the service account file
const privatekey = require(PATH_TO_SERVICE_ACCOUNT_KEY);
/**
* Posts a message with a live agent request action to the Business Messages API.
*
* @param {string} conversationId The unique id for this user and agent.
*/
async function sendMessage(conversationId) {
const authClient = await initCredentials();
if (authClient) {
// Create the payload for sending a message along with a request for live agent action
const apiParams = {
auth: authClient,
parent: 'conversations/' + conversationId,
resource: {
messageId: uuidv4(),
representative: {
representativeType: 'BOT', // Must be sent from a BOT representative
},
fallback: 'Would you like to chat with a live agent?',
text: 'Would you like to chat with a live agent?',
suggestions: [
{
liveAgentRequest: {}
},
],
},
};
// Call the message create function using the
// Business Messages client library
bmApi.conversations.messages.create(apiParams,
{auth: authClient}, (err, response) => {
console.log(err);
console.log(response);
});
}
else {
console.log('Authentication failure.');
}
}
/**
* Initializes the Google credentials for calling the
* Business Messages API.
*/
async function initCredentials() {
// configure a JWT auth client
const authClient = new google.auth.JWT(
privatekey.client_email,
null,
privatekey.private_key,
scopes,
);
return new Promise(function(resolve, reject) {
// authenticate request
authClient.authorize(function(err, tokens) {
if (err) {
reject(false);
} else {
resolve(authClient);
}
});
});
}
sendMessage(CONVERSATION_ID);