Telegram Bot for Lazy

telegrambot.gs

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// Set Bot, copy token: 
// https://t.me/botfather  
// set your token ↓
var token = "1815465433:AAGpRcd--KsZycuSYmBOCDcVvws5lSvkuqw";




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//      
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// Here in script: 
// Deploy > New Deployment > WebApp > 
//   Who can access: Anyone 
// Set your URL ↓
var webAppUrl = "https://script.google.com/macros/s/AKfycbxLgEpxM8EFX86skZ0XK0r4KhCoqZBX-z3k4PiUFDHws0TjrtNZZuRIJJfS09_-ot-O/exec";




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//
// Here in script run function: 
// setBotHook                                                                                                     
var telegramUrl = "https://api.telegram.org/bot" + token; 
function setBotHook() {
  
  var url = telegramUrl + "/setWebhook?url=" + webAppUrl;
  var response = UrlFetchApp.fetch(url);
  if (response.getResponseCode() === 200) {
    console.log("Success! You don't need this function any more");
  } else {
    console.log("Something went wrong...");
  }
}



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//   
// Go to your Bot & Deploy it                    
// to test the connection
function doPost(e) {
  runBot_(e);
}
function doGet(e) {
  runBot_(e);
}
// function to react when peaple write to Bot
function runBot_(e) {
  try {
    executeBot_(e);
  } catch(err) {
    save2mem_(err.stack);
    throw err;
  }
}
function executeBot_(e) {
  var contents = JSON.parse(e.postData.contents);
  // run logMemory after exexution
  save2mem_(JSON.stringify(contents, null, 4));
  // var chat_id = contents.message.from.id; 
  // var text = "Hello there 😊. Your bot ID: " + chat_id;
  // sendMessage2Bot_(text, chat_id);
}
// Here in script run function:         
//   logMemory
// to see what's inside Bot's responce     
var bot_key = 'telegrambot_info';
function save2mem_(msg) {
  var m = get_mem_();
  m.put(bot_key, msg);
}
function get_mem_() {
  return CacheService.getScriptCache();
}
function logMemory() {
  var m = get_mem_();
  var res = m.get(bot_key);
  console.log(res);
}


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// 
// 1. Create a Telegram Group
// 2. Add your bot as admin
// 3. Write a message to group
// 4. Run function `logMemory` here
// 5. Copy chat.id from logs
// 
// Test of sending message to group
function testSend() {
  sendMessage2Bot_(
    'Hello, Annual <i>Inspection</i> is soon:\n<b>Unit:</b> <code>{UNIT}</code>\n<b>Date:</b> <code>{DATE}</code>',
    // ↓ put your chat id here!
    -123465789); 
}
function sendMessage2Bot_(msg, chat_id) {
 var data = {
    "text" : msg,
    "parse_mode": 'html'
  };
  var payload = JSON.stringify(data);
  var options = {
    "method" : "POST",
    "contentType" : "application/json",
    "payload" : payload,
    "muteHttpExceptions": true
  };
  var url = telegramUrl + "/sendMessage?chat_id=" + chat_id;
  var response = UrlFetchApp.fetch(url, options);
  console.log(response.getContentText()); 
}