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index.js
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index.js
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/**
* @license
* Copyright Google Inc.
*
* 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.
*/
// [START hangouts_chat_avatar_bot]
/**
* Google Cloud Function that responds to messages sent from a
* Google Chat room.
*
* @param {Object} req Request sent from Google Chat room
* @param {Object} res Response to send back
*/
exports.helloChat = function helloChat(req, res) {
if (req.method === 'GET' || !req.body.message) {
res.send('Hello! This function is meant to be used in a Google Chat '
'Room.');
}
const sender = req.body.message.sender.displayName;
const image = req.body.message.sender.avatarUrl;
const data = createMessage(sender, image);
res.send(data);
};
/**
* Creates a card with two widgets.
* @param {string} displayName the sender's display name
* @param {string} imageUrl the URL for the sender's avatar
* @return {Object} a card with the user's avatar.
*/
function createMessage(displayName, imageUrl) {
const cardHeader = {
title: `Hello ${displayName}!`,
};
const avatarWidget = {
textParagraph: {text: 'Your avatar picture: '},
};
const avatarImageWidget = {
image: {imageUrl},
};
const avatarSection = {
widgets: [
avatarWidget,
avatarImageWidget,
],
};
return {
text: 'Here\'s your avatar',
cardsV2: [{
cardId: 'avatarCard',
card: {
name: 'Avatar Card',
header: cardHeader,
sections: [avatarSection],
}
}],
};
}
// [END hangouts_chat_avatar_bot]