All files Alexa.js

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var path = require('path');
var os = require('os');
var Botkit = require('./CoreBot');
var express = require('express');
var bodyParser = require('body-parser');
 
function Alexa(configuration) {
 
    var controller = Botkit(configuration || {});
 
    if (!configuration) {
        throw Error('Specify your \'account_sid\', \'auth_token\', and ' +
            '\'twilio_number\' as properties of the \'configuration\' object');
    }
 
    if (configuration && !configuration.account_sid) {
        throw Error('Specify an \'account_sid\' in your configuration object');
    }
 
    if (configuration && !configuration.auth_token) {
        throw Error('Specify an \'auth_token\'');
    }
 
    if (configuration && !configuration.twilio_number) {
        throw Error('Specify a \'twilio_number\'');
    }
 
    controller.defineBot(function(botkit, config) {
 
        var bot = {
            type: 'alexa',
            botkit: botkit,
            config: config || {},
            utterances: botkit.utterances
        };
 
        bot.startConversation = function(message, cb) {
            botkit.startConversation(bot, message, cb);
        };
 
        bot.createConversation = function(message, cb) {
            botkit.createConversation(bot, message, cb);
        };
 
 
        bot.send = function(message, cb) {
 
 
        };
 
        bot.reply = function(src, resp, cb) {
            var msg = {};
 
            if (typeof resp === 'string') {
                msg.text = resp;
            } else {
                msg = resp;
            }
 
            msg.channel = src.channel;
 
            if (typeof cb === 'function') {
                bot.say(msg, cb);
            } else {
                bot.say(msg, function() {});
            }
 
        };
 
        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++) {
 
                    var convo = botkit.tasks[t].convos[c];
                    var matchesConvo = (
                        convo.source_message.channel === message.channel ||
                        convo.source_message.user === message.user
                    );
 
                    if (convo.isActive() && matchesConvo) {
                        botkit.debug('FOUND EXISTING CONVO!');
                        cb(botkit.tasks[t].convos[c]);
                        return;
                    }
 
                }
            }
 
            cb();
        };
 
        return bot;
    });
 
    controller.handleWebhookPayload = function(req, res, bot) {
 
        controller.log('=> Got a message hook');
        console.log(req.body);
        var message = {};
        controller.receiveMessage(bot, message);
 
    };
 
    // set up a web route for receiving outgoing webhooks
    controller.createWebhookEndpoints = function(webserver, bot, cb) {
 
        controller.log('** Serving webhook endpoints for Twilio Programmable SMS' +
            ' at: ' + os.hostname() + ':' + controller.config.port + '/alexa/receive');
 
        var endpoint = controller.config.endpoint || '/alexa/receive';
 
        webserver.post(endpoint, function(req, res) {
            controller.handleWebhookPayload(req, res, bot);
 
            res.send('');
        });
 
        if (cb) cb();
 
        return controller;
    };
 
    controller.setupWebserver = function(port, cb) {
 
        if (!port) {
            throw new Error('Cannot start webserver without a \'port\' parameter');
        }
 
        if (isNaN(port)) {
            throw new TypeError('Specified \'port\' parameter is not a valid number');
        }
 
        var static_dir = path.join(__dirname, '/public');
 
        var config = controller.config;
 
        if (config && config.webserver && 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));
 
        controller.webserver.listen(controller.config.port, function() {
 
            controller.log('*> Listening on port ' + controller.config.port);
            controller.startTicking();
            if (cb) cb(null, controller.webserver);
 
        });
 
        return controller;
    };
 
    return controller;
}
 
module.exports = Alexa;