Scrape mangakakalot website , telegram you when the mangas update.

MangaReminder.gs

// reference:https://github.com/ocordova/gas-telegram-bot , https://github.com/we684123/Telegram_bot_example , http://fu7771.blogspot.com/2017/08/google-script-telegram-bot.html
// https://api.telegram.org/botKEY/setWebhook?url=https://...
var id = ""
var key = ""
var sheetID = ""
function doPost(e) {
  var update = JSON.parse(e.postData.contents);
  // Make sure this is update is a type message
  if (update.hasOwnProperty('message')) {
    var msg = update.message;
    var chatId = msg.chat.id;
    if (msg.text == '/start') {
      var _date = new Date();
      var SpreadSheet = SpreadsheetApp.openById(sheetID);
      var Sheet = SpreadSheet.getSheetByName("id");
      var LastRow = Sheet.getLastRow();
      Sheet.getRange(LastRow+1, 1).setValue(_date);
      Sheet.getRange(LastRow+1, 2).setValue(String(chatId));
    }
  }
}    
//=================================================================
function idGroup()
{
  var list=[];
  var SpreadSheet = SpreadsheetApp.openById(sheetID);
  var Sheet = SpreadSheet.getSheetByName("id");
  var LastRow = Sheet.getLastRow();
  for(i=1;i<=LastRow;i++)
  {
    list.push(Sheet.getRange(i, 2).getValue());
  }
  return list;
}
//=================================================================
function sendtext(i,data){
        var H = '<b>bold</b>, <strong>bold</strong>\
<i>italic</i>, <em>italic</em>\
<a href="http://www.example.com/">inline URL</a>\
<code>inline fixed-width code</code>\
<pre>pre-formatted fixed-width code block</pre>'
        var payload = {
        "method": "sendMessage",
        'chat_id': i,
        'text': data
    }
    start(payload);
}
//=================================================================
function scrapeManga(mangaName) {
    var url = "http://mangakakalot.com/manga/" + mangaName;
    var fromText = '<div class="row"';
    var toText = '</div>';
    var content = UrlFetchApp.fetch(url).getContentText();
	// Need to insert a library(Resources -> Library):M1lugvAXKKtUxn_vdAG9JZleS6DrsjUUV
    var scraped = Parser
                    .data(content)
                    .from(fromText)
                    .to(toText)
                    .build()
    var href = Parser
                    .data(scraped)
                    .from('href="')
                    .to('"')
                    .build();
    var SpreadSheet = SpreadsheetApp.openById(sheetID);
    var Sheet = SpreadSheet.getSheetByName(mangaName);
    var LastRow = Sheet.getLastRow();
    var old_href = Sheet.getRange(LastRow, 2).getValue();
    var idList=[];
    idList = idGroup();
    if(old_href != href) // Manga Update
    {
      for(i=0;i<idList.length;i++)
      {
        sendtext(idList[0],href);
      }
      var d = new Date();
      Sheet.getRange(LastRow + 1, 1).setValue(d);
      Sheet.getRange(LastRow + 1, 2).setValue(href);
    }
}
//=================================================================
function mangaName()
{
  var manga_Name = ["Beastars","tomochan_wa_onnanoko","nidoume_no_jinsei_wo_isekai_de"];
  for(i in manga_Name)
  {
    scrapeManga(manga_Name[i]);
  }
}
//===================================以下是標準發送跟記下Log==================================================
function start(payload) {
    var data = {
        "method": "post",
        "payload": payload
    }
    var d = new Date();
    var SpreadSheet = SpreadsheetApp.openById(sheetID);
    var Sheet = SpreadSheet.getSheetByName("紀錄發送的訊息");
    var LastRow = Sheet.getLastRow();
    Sheet.getRange(LastRow + 1, 1).setValue(d);
    Sheet.getRange(LastRow + 1, 3).setValue(data);
    var returned = UrlFetchApp.fetch("https://api.telegram.org/bot" + key + "/", data);
    Sheet.getRange(LastRow + 1, 2).setValue(d);
}