djs-easy/src/ytnotifer.js

djs-easy is a javascript package for discord with the a lot stuff you need to make your bot programming easy

const Discord = require("discord.js");
const parse = new (require("rss-parser"))();

/**
 * @param {Discord.Client} client
 * @param {import('../index').DB} db
 * @param {import('../index').ytNotifyOptions} options
 */

async function ytNotify(client, db, options = []) {
  let startAt = options.startAt;
  let chid = options.chid;

  if (!chid)
    throw new Error(
      "EMPTY_CHANNEL_ID. You didnt specify a channel id. Go to https://discord.gg/NkvyxzTaNr to get support"
    );
  if (!options.ytID && !options.ytURL)
    throw new Error(
      "EMPTY_YT_CHANNEL_ID & EMPTY_YT_CHANNEL_URL. You didnt specify a channel id. Go to https://discord.gg/NkvyxzTaNr to get support"
    );
  try {
    let timer = options.timer || "10000";
    let timr = parseInt(timer);

    setInterval(async () => {
      function URLtoID(url) {
        let id = null;
        url = url.replace(/(>|<)/gi, "").split(/(\/channel\/|\/user\/)/);
        if (url[2]) {
          id = url[2].split(/[^0-9a-z_-]/i)[0];
        }
        return id;
      }

      let msg =
        options.msg ||
        "Hello ! **{author}** just uploaded a new video **{title}**\n\n*{url}*";

      if (Array.isArray(options.ytID)) {
        options.ytID.forEach((ch) => {
          checkVid(client, ch, chid, msg, db, startAt);
        });
      } else if (Array.isArray(options.ytURL)) {
        options.ytID.forEach((ch) => {
          checkVid(client, URLtoID(ch), chid, msg, db, startAt);
        });
      } else if (!options.ytID && options.ytURL) {
        ytID = URLtoID(options.ytURL);

        checkVid(client, ytID, chid, msg, db, startAt);
      } else {
        ytID = options.ytID;

        checkVid(client, ytID, chid, msg, db, startAt);
      }

      async function checkVid(client, ytID, chid, msg, db, startAt) {
        parse
          .parseURL(
            `https://www.youtube.com/feeds/videos.xml?channel_id=${ytID}`
          )
          .then((data) => {
            client.guilds.cache.forEach(async (g) => {
              if (!data.items || !data.items[0] || !data || data.items === [])
                return;
                let vidzz = db.pull(`postedVideos_${g.id}`)
              if (
                vidzz &&
                vidzz.includes(data.items[0].link)
              )
                return;
              else {
                if (new Date(data.items[0].pubDate).getTime() < startAt) return;

                db.push(`postedVideos_${g.id}`, data.items[0].link);
                let channel = client.channels.cache.get(chid);
                if (!channel) return;

                let mssg = msg
                  .replace(/{author}/g, data.items[0].author)
                  .replace(
                    /{title}/g,
                    Discord.Util.escapeMarkdown(data.items[0].title)
                  )
                  .replace(/{url}/g, data.items[0].link);
                channel.send({ content: mssg });
                console.log("Notified");
              }
            });
          });
      }
    }, timr);
  } catch (err) {
    console.log(`Error Occured. | ytNotify | Error: ${err.stack}`);
  }
}
module.exports = ytNotify;