refactor: enhance user data handling with optional chaining and default values, and remove unused debug file write.

Author: parthsali

src/helpers/user-helper.js

@@ -4,7 +4,7 @@ import {
 } from "../repositories/user-repository.js";
 
 export const createUserIfNotExists = async (ctx) => {
-  if (!ctx.chat.id) {
+  if (!ctx.chat?.id) {
     console.log("No chat id");
     return;
   }
@@ -16,10 +16,10 @@ export const createUserIfNotExists = async (ctx) => {
 
   const user = {
     chatId: ctx.chat?.id,
-    firstName: ctx.from?.first_name,
-    lastName: ctx.from?.last_name,
-    username: ctx.from?.username,
-    language_code: ctx.from?.language_code,
+    firstName: ctx.from?.first_name || "",
+    lastName: ctx.from?.last_name || "",
+    username: ctx.from?.username || "",
+    language_code: ctx.from?.language_code || "",
   };
 
   const newUser = await createUser(user);

src/middlewares/userAuthAndSetupMiddleware.js

@@ -7,7 +7,6 @@ import {
 import { createUserIfNotExists } from "../helpers/user-helper.js";
 import { BOT_USERNAME } from "../config/config.js";
 import logger from "../helpers/logger.js";
-import fs from "fs";
 
 export const userAuthAndSetupMiddleware = async (ctx, next) => {
   // reject if the user is a bot
@@ -30,7 +29,7 @@ export const userAuthAndSetupMiddleware = async (ctx, next) => {
 
 export const checkGroupChatMiddleware = async (ctx, next) => {
   // save ctx in json file
-  fs.writeFileSync("ctx.json", JSON.stringify(ctx));
+
   if (checkGroupChat(ctx) && checkIfNewUser(ctx)) {
     const privateChatLink = `https://t.me/${BOT_USERNAME}`;
     const message = `Welcome to the group! For any study materials, you can use our bot directly: <a href="${privateChatLink}">Start Private Chat with Learnerse Bot</a>`;