東京ドームのイベント情報を通知

dome-event.gs

var slack_token = "xoxp-xxxxxxxxxxx-....";
var slack_channel = "#channnel";

function scraping(day /* 1..31 */){
  var url = "https://www.tokyo-dome.co.jp/dome/event/schedule.html";
  var res, pattern, html, pos1, pos2, text;
  res = UrlFetchApp.fetch(url);
  if (typeof day === "number" && day < 10) {
    day = "0" + day;
  }
  if (res.getResponseCode() === 200) {
    html = res.getContentText();
    pattern = "<span class=\"c-mod-calender__day\">" + day + "</span>";
    pos1 = html.indexOf(pattern);
    pos2 = html.indexOf('</td>', pos1 + pattern.length);
    if (pos1 < 0 || pos2 < 0) {
      text = "イベント情報の取得に失敗しました"
    } else {
      html = html.substr(pos1, pos2 - pos1);
      html = html.replace(/<[^>]+>/g, "");
      text = html.replace(/[\s]+/g, " ");
      if (/^[\d]+\s\(.\)\s*$/.test(text)) {
        text += "イベント情報はありません"
      }
    }
  } else {
    text = "イベント情報の取得に失敗しました。HTTP Status=" + res.getResponseCode();
  }
  postToSlack(text);
}

//Slackに送信
function postToSlack(text){
  var escape = function(s){
    if (s === undefined || s === null) s = "";
    return s.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
  };
  var url = 'https://slack.com/api/chat.postMessage';
  var payload = {
    token :  slack_token,
    channel : slack_channel,
    username : '東京ドーム イベント情報',
    attachments : []
  };
  payload.text = escape(text);
  payload.attachments = JSON.stringify(payload.attachments);
  var res = UrlFetchApp.fetch(url, { method : 'post', payload : payload });
}


function trigger(){
  var d = new Date();
  scraping(d.getDate());
}