Adding telegram bot

.gitignore

@@ -3,3 +3,4 @@ node_modules/
 db.json
 .env
 logs/
+chatid

package.json

@@ -29,6 +29,7 @@
       "node-fetch": "^2.2.0",
       "nodemailer": "^4.6.7",
       "rss-parser": "^3.4.2",
-      "ssl-root-cas": "^1.2.5"
+      "ssl-root-cas": "^1.2.5",
+      "telegraf": "^3.24.1"
    }
 }

src/index.ts

@@ -62,22 +62,59 @@ async function check() {
          return db.get(calculateHash(item)).value() !== true;
       })
       for (let item of items) {
-         await sendFeed(feed, item).catch(err => Logging.error(err))
+         await sendFeedMail(feed, item).catch(err => Logging.error(err))
+         await sendFeedTelegraf(feed, item).catch(err => Logging.error(err));
       }
    } catch (error) {
       Logging.error(error);
    }
 }
 
+import Telegraf from "telegraf";
+import * as fs from "fs";
+const bot = new Telegraf(process.env.TG_TOKEN)
+const chatidFilename = "./chatid";
+let chatid: number;
+try {
+   if (fs.existsSync(chatidFilename)) {
+      chatid = Number(fs.readFileSync(chatidFilename).toString());
+   }
+} catch (err) {
+   Logging.error(err);
+}
+
+bot.start(ctx => {
+   let code = ctx.message.text.split(" ")[1];
+   if (code === process.env.TG_CODE) {
+      if (chatid) {
+         bot.telegram.sendMessage(chatid, "This chat is now disabled!");
+      }
+      chatid = ctx.chat.id;
+      fs.writeFileSync(chatidFilename, chatid.toString());
+      ctx.reply("News enabled!");
+   } else {
+      ctx.reply("Invalid code!");
+   }
+})
+
+bot.startPolling();
+
+async function sendFeedTelegraf(feed: Feed, item: FeedItem) {
+   if (chatid) {
+      await bot.telegram.sendMessage(chatid, entities.decode(item.title) + "\n\n" + entities.decode(item.contentSnippet));
+   }
+}
+
 import { AllHtmlEntities } from "html-entities";
+import { fstat } from "fs";
 const entities = new AllHtmlEntities();
-async function sendFeed(feed: Feed, item: FeedItem) {
+async function sendFeedMail(feed: Feed, item: FeedItem) {
    Logging.log("Sending Mail!")
    let mailOptions = {
       from: process.env.MAIL_SENDER,
       to: process.env.MAIL_RECEIVER,
       subject: '[OSPLUS_UPDATE] ' + entities.decode(item.title),
-      text: item.contentSnippet,
+      text: entities.decode(item.contentSnippet),
       html: item.content
    };