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node-red-contrib-chatbot

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

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const _ = require('underscore'); const utils = require('../lib/helpers/utils'); const RegisterType = require('../lib/node-installer'); const GlobalContextHelper = require('../lib/helpers/global-context-helper'); const fs = require('fs'); const { NlpManager } = require('node-nlp'); module.exports = function(RED) { const registerType = RegisterType(RED); const globalContextHelper = GlobalContextHelper(RED); function ChatBotNLPLoad(config) { RED.nodes.createNode(this, config); const node = this; globalContextHelper.init(this.context().global); this.filename = config.filename; 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) }; const filename = utils.extractValue('string', 'filename', node, msg, false); const name = utils.extractValue('string', 'name', node, msg, false); fs.readFile(filename, 'utf8', (err, json) => { if (err) { done(err); return; } const manager = new NlpManager(); manager.import(json); // store globally globalContextHelper.set('nlp_' + (!_.isEmpty(name) ? name : 'default'), manager); // pass thru send({ ...msg, payload: manager }); done(); }); }); } registerType('chatbot-nlpjs-load', ChatBotNLPLoad); };