zipwhipSign.js

// Import the zipbot library
const { Bot, Event } = require("zipbot");
const axios = require("axios");
const Querystring = require('querystring');

// Create a new bot object
// However no auth is needed since we host it all in our own private environment
const bot = new Bot();

const RETURN_TO_WHITE_SECS = 20;

const DMX_URL = "http://139.138.97.133:8080/set_dmx";   

const COLORS = [
    {
        name: "red",
        fnc: async () => await setColor(255, 0, 0, 0)
    },
    {
        name: "blue",
        fnc: async () => await setColor(0, 0, 255, 0)
    },
    {
        name: "green",
        fnc: async () => await setColor(0, 255, 0, 0)
    },
    {
        name: "white",
        fnc: async () => await setColor(255, 255, 255, 255)
    },
    {
        name: "purple",
        fnc: async () => await setColor(160,32,240, 0)
    },
];

// Claims
// A "Claim" is a preview of the message;
// The bot replies with whether or not we want
// to engage the user with a response (defaults to no)
bot.on(Event.Claim, (ctx, msg) => {
  if (msg.to == "+18339477446" && COLORS.map(color => color.name).includes(msg.body.toLowerCase())) {
    ctx.claim();
  }
});

// Bots
// Inbound messages are handled by the Bot event
// In normal terms, this is your default response to a receive webhook.
// // However, we do provide a nice 'Context' object for easily responding to messages.
bot.on(Event.Bot, async (ctx, msg) => {
  let color = COLORS.find(color => color.name == msg.body.toLowerCase());
  
  await color.fnc();
  
  ctx.reply(`Setting color to ${color.name}`);
  
  ctx.stop();
});


// Run the bot, and start our framework
bot.run();

async function setColor(r, g, b, w, returnToWhite=true) {
    
    let arr = makeArrayOf(0, 512);
    
    arr[0] = r;
    arr[1] = g;
    arr[2] = b;
    arr[3] = w;
    
    let body = Querystring.stringify({
        u: "1",
        d: arr.join(",")
    });

    
    try {
    
    await axios.post(DMX_URL, body, {
        headers: {'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8' }
    });
    
    } catch (err) {
        console.log(err);
    }
    
    if (returnToWhite) {
        setTimeout(() => setColor(255, 255, 255, 255, false), RETURN_TO_WHITE_SECS * 1000);
    }
}

function makeArrayOf(value, length) {
  var arr = [], i = length;
  while (i--) {
    arr[i] = value;
  }
  return arr;
}