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242 | 1x
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| var Botkit = require(__dirname + '/CoreBot.js');
var WebSocket = require('ws');
var express = require('express');
var bodyParser = require('body-parser');
var querystring = require('querystring');
var http = require('http');
function SocketBot(configuration) {
var controller = Botkit(configuration || {});
controller.openSocketServer = function(server) {
// create the socket server along side the existing webserver.
var wss = new WebSocket.Server({ server });
function heartbeat() {
this.isAlive = true;
}
wss.on('connection', function connection(ws) {
ws.isAlive = true;
ws.on('pong', heartbeat);
// search through all the convos, if a bot matches, update its ws
var bot = controller.spawn();
bot.ws = ws;
bot.connected = true;
ws.on('message', function incoming(message) {
console.log('received: %s', message);
var message = JSON.parse(message);
bot.findConversation(message, function(convo) {
var reconnected = false;
if (convo) {
if (convo.task.bot.connected) {
console.log('WEIRD STILL CONNECTED?');
} else {
console.log('BOT JUST RECONNECTED');
convo.task.bot.ws = bot.ws;
convo.task.bot.connected = true;
reconnected = true;
controller.trigger('reconnect', [bot, message]);
}
}
if (message.type == 'message') {
controller.receiveMessage(bot, message);
} else if (message.type == 'hello' && !reconnected) {
var uid = message.user;
if (!uid) {
uid = guid();
message.user = uid;
bot.send({
type: 'hello',
user: uid,
});
controller.trigger(message.type, [bot, message]);
} else {
controller.trigger('welcome_back', [bot, message]);
}
} else {
controller.trigger(message.type, [bot, message]);
}
});
});
ws.on('close', function(err) {
console.log('CLOSED', err);
bot.connected = false;
});
});
var interval = setInterval(function ping() {
wss.clients.forEach(function each(ws) {
if (ws.isAlive === false) {
console.log('!!!!!!!!!!!!!!!!!!!! ws terminated !!!!!!!!!!!!!!!!!!!!');
return ws.terminate();
}
// if (ws.isAlive === false) return ws.terminate()
ws.isAlive = false;
ws.ping('', false, true);
});
}, 30000);
};
controller.defineBot(function(botkit, config) {
var bot = {
type: 'socket',
botkit: botkit,
config: config || {},
utterances: botkit.utterances,
};
bot.startConversation = function(message, cb) {
botkit.startConversation(this, message, cb);
};
bot.createConversation = function(message, cb) {
botkit.createConversation(this, message, cb);
};
bot.send = function(message, cb) {
if (bot.connected) {
console.log('SEND', message);
try {
console.log('sending type ahead');
bot.ws.send(JSON.stringify({typing: true}));
var textLength;
if (message.text) {
textLength = message.text.length;
} else {
textLength = 80; //default attachement text length
}
var avgWPM = 85;
var avgCPM = avgWPM * 7;
var typingLength = Math.min(Math.floor(textLength / (avgCPM / 60)) * 1000, 5000);
setTimeout(function() {
console.log('sending for reals');
try {
bot.ws.send(JSON.stringify(message));
} catch (err) {
console.error('ERROR SENDING', err);
if (cb) return cb(err, message);
}
if (cb) cb(null, message);
}, typingLength);
} catch (err) {
console.error('ERROR SENDING', err);
}
} else {
console.log('not connected. wait to resend');
setTimeout(function() {
bot.send(message, cb);
}, 3000);
}
};
bot.reply = function(src, resp, cb) {
if (typeof(resp) == 'string') {
resp = {
text: resp
};
}
resp.user = src.user;
resp.channel = src.channel;
bot.send(resp, cb);
};
bot.findConversation = function(message, cb) {
botkit.debug('CUSTOM FIND CONVO', message.user, message.channel);
for (var t = 0; t < botkit.tasks.length; t++) {
for (var c = 0; c < botkit.tasks[t].convos.length; c++) {
if (
botkit.tasks[t].convos[c].isActive() &&
botkit.tasks[t].convos[c].source_message.user == message.user
) {
botkit.debug('FOUND EXISTING CONVO!');
cb(botkit.tasks[t].convos[c]);
return;
}
}
}
cb();
};
return bot;
});
controller.setupWebserver = function(port, cb) {
if (!port) {
throw new Error('Cannot start webserver without a port');
}
if (isNaN(port)) {
throw new Error('Specified port is not a valid number');
}
var static_dir = process.cwd() + '/public';
if (controller.config && controller.config.webserver && controller.config.webserver.static_dir)
static_dir = controller.config.webserver.static_dir;
controller.config.port = port;
controller.webserver = express();
controller.webserver.use(bodyParser.json());
controller.webserver.use(bodyParser.urlencoded({ extended: true }));
controller.webserver.use(express.static(static_dir));
var server = controller.webserver.listen(
controller.config.port,
controller.config.hostname,
function() {
controller.log('** Starting webserver on port ' +
controller.config.port);
if (cb) { cb(null, controller.webserver); }
});
return controller;
};
return controller;
}
module.exports = SocketBot;
function guid() {
function s4() {
return Math.floor((1 + Math.random()) * 0x10000)
.toString(16)
.substring(1);
}
return s4() + s4() + '-' + s4() + '-' + s4() + '-' +
s4() + '-' + s4() + s4() + s4();
}
|