From 702a42952b007f6dd68c3d678e64b046c3891e28 Mon Sep 17 00:00:00 2001
From: Siddharth Sharma <75090218+PanditSiddharth@users.noreply.github.com>
Date: Sat, 25 Nov 2023 15:40:46 +0530
Subject: [PATCH 1/3] Create runMultipleBotsByPollingMode

Run many bots in one server
---
 examples/runMultipleBotsByPollingMode | 37 +++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 examples/runMultipleBotsByPollingMode

diff --git a/examples/runMultipleBotsByPollingMode b/examples/runMultipleBotsByPollingMode
new file mode 100644
index 0000000..6445c92
--- /dev/null
+++ b/examples/runMultipleBotsByPollingMode
@@ -0,0 +1,37 @@
+const { Telegraf, Composer } = require('telegraf');
+
+// Array of bot tokens after filtering out empty or undefined values
+const tokens = [process.env.TOKEN1, process.env.TOKEN2].filter(Boolean); 
+
+const bot = new Composer();
+
+// Adding a start listener to the main bot instance
+bot.start((ctx) => {
+  ctx.reply("This bot is working...");
+});
+
+async function setupBots() {
+  for (let token of tokens) {
+    try {
+      // New Telegraf bot instance
+      const newBot = new Telegraf(token);
+
+      // Adding this instance to the main Composer class instance
+      newBot.use(bot);
+
+      // Running the newly created bot in polling mode
+      await newBot.launch({ dropPendingUpdates: true });
+
+      console.log(`Bot with token ${token} has been initialized.`);
+    } catch (err) {
+      console.error(`Error initializing bot with token ${token}: ${err.message}`);
+      // Handle the error here 
+    }
+  }
+}
+
+// Call the setupBots function
+setupBots();
+
+// Try this example by forking this REPL
+// https://replit.com/@PanditSiddharth/RunMultipleBotsInPollingMode#index.js

From 8d4cb1275ced967afb77acf75f2ed582859b93dc Mon Sep 17 00:00:00 2001
From: Siddharth Sharma <75090218+PanditSiddharth@users.noreply.github.com>
Date: Sat, 25 Nov 2023 15:42:42 +0530
Subject: [PATCH 2/3] Rename runMultipleBotsByPollingMode to
 run-many-bots-by-polling-mode

changed name as telegraf-doc's other files name
---
 ...runMultipleBotsByPollingMode => run-many-bots-by-polling-mode} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename examples/{runMultipleBotsByPollingMode => run-many-bots-by-polling-mode} (100%)

diff --git a/examples/runMultipleBotsByPollingMode b/examples/run-many-bots-by-polling-mode
similarity index 100%
rename from examples/runMultipleBotsByPollingMode
rename to examples/run-many-bots-by-polling-mode

From c46d908e01bfe7264546d0f4bf420a9be4bd9b08 Mon Sep 17 00:00:00 2001
From: Siddharth Sharma <75090218+PanditSiddharth@users.noreply.github.com>
Date: Sat, 25 Nov 2023 15:46:40 +0530
Subject: [PATCH 3/3] Create run-many-bots-in-one-server

 run-many-bots-in-one-server by webhook mode
---
 examples/webhook/run-many-bots-in-one-server | 65 ++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 examples/webhook/run-many-bots-in-one-server

diff --git a/examples/webhook/run-many-bots-in-one-server b/examples/webhook/run-many-bots-in-one-server
new file mode 100644
index 0000000..9dcce9c
--- /dev/null
+++ b/examples/webhook/run-many-bots-in-one-server
@@ -0,0 +1,65 @@
+const express = require('express');
+const { Telegraf, Composer } = require('telegraf');
+
+const app = express();
+const bots = {};
+const port = process.env.PORT || 3000
+const DOMAIN = process.env.DOMAIN
+// Array of bot tokens after filtering out empty or undefined values
+const tokens = [process.env.TOKEN1, process.env.TOKEN2].filter(Boolean); 
+const bot = new Composer();
+
+app.get("/", (req, res) => {
+  res.send("Bot started..");
+});
+
+// here you can add more listeners e.g. bot.on("message", ....)
+bot.start((ctx) => {
+  ctx.reply("This bot is working...")
+})
+
+async function setupBots() {
+  for (let token of tokens) {
+    try {
+      // new Telegraf bot instance 
+      const newBot = new Telegraf(token);
+
+      // adding this instance in Composer class instance
+      newBot.use(bot);
+
+      // add bot to bots object
+      bots[token] = newBot;
+
+      // setting webhook endpoint for newlly created telegraf bot
+      await newBot.telegram.setWebhook(`${DOMAIN}/tg/${token}`, { drop_pending_updates: true });
+
+      console.log(`Bot with token ${token} has been initialized.`);
+    } catch (err) {
+      console.error(`Error initializing bot with token ${token}: ${err.message}`);
+    }
+  }
+}
+
+// calling setupBots function
+setupBots();
+
+// telegrams request converts in json formate before its use
+app.use(express.json());
+
+// dynamically getting response from each bot
+app.post("/tg/:token", async (req, res) => {
+  try {
+    const token = req.params.token;
+
+    // giving update to telegraf and response is sent to telegram
+    await bots[token].handleUpdate(req.body, res);
+  } catch (err) {
+    console.error(err);
+    res.status(500).json({ message: 'Internal server error' });
+  }
+});
+
+// Starting express server
+app.listen(port, () => console.log(`Bot running on ${DOMAIN}`));
+
+// Try this example fork this repl: https://replit.com/@PanditSiddharth/TelegrafMultipleBotsByWebhookExample#index.js