calamar.js

Table of Contents

  1. calamar.js
  2. contextSet.js
  3. dbLocalStorage.js
  4. facebook.js
  5. facebookGraphHelpers.js
  6. facebookWebhookSetup.js
  7. index.js
  8. luis.js
  9. router.js
  10. s3ContextSet.js
  11. s3Storage.js
  12. wit.js

constants

const PLATFORM_FACEBOOK_MESSENGER = 'facebookMessenger';
const PLATFORM_TELEGRAM = 'telegram';

Test to see if an update object is a facebook messenger "messaging" item

const isFacebookMessengerMessagingItem = item =>
    (item && item.timestamp && item.sender && item.recipient);

Test to see if an update object is a telegram update object

const isTelegramUpdate = update => (update && update.update_id);

calamarMessageFormat(update)

Translate message updates from Telegram or Facebook to a generic message update object format containing commonly used attributes.

const calamarMessageFormat = update => {
    if (isFacebookMessengerMessagingItem(update)) {
        const { message = {}, timestamp, sender, recipient } = update;
        const { mid = null, text = null, is_echo = false } = message; // eslint-disable-line
        return {
            text,
            timestamp,
            messageId: mid,
            isEcho: is_echo,
            senderId: sender.id,
            recipientId: recipient.id,
            chatId: sender.id,
            platform: PLATFORM_FACEBOOK_MESSENGER
        };
    }
    if (isTelegramUpdate(update)) {
        const { message_id, text, date, from, chat } = update.message;
        const timestamp = date.toString().length < 13 ? date * 1000 : date;
        return {
            text,
            timestamp,
            messageId: message_id,
            senderId: from.id,
            chatId: chat.id,
            platform: PLATFORM_TELEGRAM
        };
    }
    return null;
};

export { calamarMessageFormat };
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