UNPKG

node-red-contrib-chatbot

Version:

REDBot a Chat bot for a full featured chat bot for Telegram, Facebook Messenger and Slack. Almost no coding skills required

70 lines (61 loc) 2.13 kB
const MessageTemplate = require('../lib/message-template-async'); const RegisterType = require('../lib/node-installer'); const { ChatExpress } = require('chat-platform'); const { isValidMessage, getChatId, getTransport, extractValue, append } = require('../lib/helpers/utils'); const GlobalContextHelper = require('../lib/helpers/global-context-helper'); module.exports = function(RED) { const registerType = RegisterType(RED); const globalContextHelper = GlobalContextHelper(RED); function ChatBotAlexaDirective(config) { RED.nodes.createNode(this, config); const node = this; globalContextHelper.init(this.context().global); this.directiveType = config.directiveType; this.slot = config.slot; this.on('input', function(msg, send, done) { // send/done compatibility for node-red < 1.0 send = send || function() { node.send.apply(node, arguments) }; done = done || function(error) { node.error.call(node, error, msg) }; // check if valid message if (!isValidMessage(msg, node)) { return; } const chatId = getChatId(msg); const template = MessageTemplate(msg, node); const transport = getTransport(msg); // check transport compatibility if (!ChatExpress.isSupported(transport, 'directive')) { done(`Node "directive" is not supported by ${transport} transport`); return; } const directiveType = extractValue('string', 'directiveType', node, msg, false); const slot = extractValue('string', 'slot', node, msg, false); const payload = { chatId, type: 'directive', directiveType: directiveType }; switch(directiveType) { case 'Dialog.ConfirmSlot': payload.slotToConfirm = slot; break; case 'Dialog.ElicitSlot': payload.slotToElicit = slot; break; } template(payload) .then(translated => { append(msg, translated); send(msg); done(); }); }); } registerType('chatbot-alexa-directive', ChatBotAlexaDirective); };