chatbot.js

/* Copyright(c) 2016 Caleb Gentry alias epicTCK
 * Permission is hereby granted, free of charge,
 * to any person obtaining a copy  of this software
 * and associated documentation files(the "Software"),
 * to deal in the Software  without restriction,
 * including without limitation the rights to use,
 * copy, modify, merge, publish,  distribute, sublicense,
 * and / or sell copies of the Software, and to permit
 * persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS  OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT  OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 function loopFix(){
 	bot.loop(bot);
 }
 class Message{
   constructor(user, txt, starNode, replyID){
     this.replyID = replyID;
     this.user = user;
     this.txt = txt;
     this.starNode = starNode;
   }
   star(){
     this.starNode.click();
   }
   toMarkdown(){

   }

 }
class Bot {
  constructor(name, owner, ignoreOwn, reqPing) {
    this.name = name;
    this.owner = owner;
    this.reqPing = reqPing;
    this.ignoreOwn = ignoreOwn;
		this.modules = new Set();
  }
  chat(msg) {
    document.getElementById('input').value = msg.replace(/<\/?i>/g, "*");
    document.getElementById("sayit-button").click();
  }

  getMessage(number) {
    var containers = document.getElementsByClassName("monologue");
    var container = containers[containers.length - number];
		if(container.classList.contains("mine"))
		    return "MINE";
		var message = new Message(
			container.getElementsByClassName("username")[0].innerHTML,
			container.getElementsByClassName("content")[0].innerHTML,
			container.getElementsByClassName("stars")[0].children[0],
		  ":" + container.getElementsByClassName("message")[0].id.split("-").pop()
		);
    return message;
  }
/* The fix for loop is ugly. Just add a sleep at the end instead of using
 * A setInterval and then check for a bool to end/ begin the loop
 * using bot.start() and bot.stop()
 *
 */
  loop(thisFix) {

    var message = thisFix.getMessage(1);
		var prevMessage = thisFix.getMessage(2);

		if(message === "MINE"){return;}
		var prevMessageTxt = prevMessage.txt == "MINE"? "MINE": prevMessage.txt;
    var messageL = message.txt.toLowerCase();
    do {
      if (thisFix.reqPing && messageL.includes("@" +
			thisFix.name.toLowerCase()) != true)
        break;
      if (message.txt == prevMessageTxt)
        break;
    for (let module of thisFix.modules) module(thisFix, message);
    } while (false);
  }

  stop() {
    clearInterval(this.loopInterval);
  }
  addModule(callback) {
    this.modules.add(callback);
  }

  start(interval) {
    this.loopInterval = setInterval(loopFix, interval);
  }
}
function xkcd(bot, input) {
	if(input === "MINE"){return;}
  if (input.txt.includes("xkcd")) {
    var split = input.txt.split(" ");
		var num = split[split.indexOf("xkcd") + 1];
    if(/\s+xkcd\s+\d+\s*$/.test(input.txt)){
			bot.chat("http://www.xkcd.com/" + num);
    }else{
			bot.chat("Invalid input " + input.replyID);//thnx to downgoat on PPCG chat
		}
  }
}
var bot = new Bot("epictck", "epictck", true, true);
bot.addModule(xkcd);