Fixed whois + added help

src/commands/help.js

@@ -0,0 +1,15 @@
+module.exports = function(bot, msg) {
+  const chatId = msg.chat.id;
+  const userName = msg.from.first_name;
+  const userId = msg.from.id;
+
+  const message = `Hi! I am Lynx!\nI am a simple bot made entirely from scratch in Node.js by Lucas Gabriel (lucmsilva).\n\nSome commands to test:
+  - /start: start the bot
+  - /help: send this message
+  - /whois: send some information about yourself\n\nSee my source code in:
+  https://github.com/lucmsilva651/lynx.\n\nThanks to all users, testers, contributors, and others. Without you, perhaps this bot wouldn't be possible.`;
+  
+  bot.sendMessage(chatId, message)
+    .catch(error => console.error('ERROR: Message cannot be send:', error));
+  console.log(`INFO: /help executed by ${userName}, ${userId}`);
+}

src/commands/whois.js

@@ -5,14 +5,16 @@ module.exports = function(bot, msg) {
   const userHandle = msg.from.username;
   const isBot = msg.from.is_bot;
   const userPremium = msg.from.is_premium;
-  const userPremiumOutput = "";
+  let userPremiumOutput = "";
-
+  
-  if (userPremium == "true") {
+  if (userPremium) {
-    const userPremiumOutput = "\n\nYou have a Telegram Premium subscription.";
+    userPremiumOutput = "You have a Telegram Premium subscription.";
+  } else {
+    userPremiumOutput = "You don't have a Telegram Premium subscription.";
   }
 
-  const message = `Your name is: ${userName}\nYour username is: ${userHandle}\nYour ID is: ${userId}\nYou are a bot: ${isBot}` + userPremiumOutput;
+  const message = `Your name is: ${userName}\nYour username is: ${userHandle}\nYour ID is: ${userId}\nYou are a bot: ${isBot}\n\n${userPremiumOutput}`;
-  
+
   bot.sendMessage(chatId, message)
     .catch(error => console.error('ERROR: Message cannot be send:', error));
   console.log(`INFO: /whois executed by ${userName}, ${userId}`)