Reformulation of bot structure

commands/chatinfo.js

@@ -0,0 +1,33 @@
+module.exports = function(bot, msg) {
+  const chatId = msg.chat.id;
+  const chatName = msg.chat.title;
+  const chatHandle = msg.chat.username;
+  const isForum = msg.chat.is_forum;
+  let chatNameOutput = "";
+  let chatHandleOutput = "";
+  let isForumOutput = "";
+
+  if (isForum) {
+    isForumOutput = "*This chat is a forum (has topics enabled).*";
+  } else {
+    isForumOutput = "*This chat is not a forum (doesn't have topics enabled).*";
+  }
+
+  if (chatHandle) {
+    chatHandleOutput = `*Chat handle:* @${chatHandle}`;
+  } else {
+    chatHandleOutput = `*Chat handle:* none (private group)`;
+  }
+  
+  // if chatName returns undefined, the chat is not a group or channel
+  if (chatName) {
+    chatNameOutput = `*Chat name:* ${chatName}\n${chatHandleOutput}\n*Chat ID:* ${chatId}\n\n${isForumOutput}`;
+  } else {
+    chatNameOutput = "Whoops!\nThis command doesn't work in PM.";
+  }
+  
+  const message = chatNameOutput;
+
+  bot.sendMessage(chatId, message, { parse_mode: 'Markdown' })
+    .catch(error => console.error('WARN: Message cannot be sent: ', error));
+}