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docs: add webhook code sample (#177)
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* docs: add webhook code sample

* update json data

* fixed failing test

* fixed test naming

* converted response to string

* removed convert to str

* moved response object

* lint fix

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* Added link to linkinator

* update test

* revised code

* lint fix

* lint fix

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Justin Beckwith <justin.beckwith@gmail.com>
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3 people authored Oct 25, 2021
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45 changes: 45 additions & 0 deletions dialogflow-cx/test/webhook.test.js
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// Copyright 2021 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.

'use strict';

const {assert} = require('chai');
const {describe, it} = require('mocha');
const webhook = require('../webhooks');

const request = {
body: {
fulfillmentInfo: {
tag: 'Default Welcome Intent',
},
text: 'hi',
languageCode: 'en',
},
};

describe('create agent', () => {
it('should test webhook returns correct response', async () => {
const temp = JSON.stringify(request);
let response = '';

const res = {
send: function (s) {
response = JSON.stringify(s);
},
};

webhook.handleWebhook(JSON.parse(temp), res);
assert.include(response, 'Hello from a GCF Webhook');
});
});
46 changes: 46 additions & 0 deletions dialogflow-cx/webhooks.js
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// Copyright 2021 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.

'use strict';

// [START dialogflow_cx_webhook]

exports.handleWebhook = (request, response) => {
const tag = request.body.fulfillmentInfo.tag;
let text = '';

if (tag === 'Default Welcome Intent') {
text = 'Hello from a GCF Webhook';
} else if (tag === 'get-name') {
text = 'My name is Flowhook';
} else {
text = `There are no fulfillment responses defined for "${tag}"" tag`;
}

const jsonResponse = {
fulfillment_response: {
messages: [
{
text: {
//fulfillment text response to be sent to the agent
text: [text],
},
},
],
},
};

response.send(jsonResponse);
};
// [END dialogflow_cx_webhook]

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