ミスドが100円セール中かどうかをチェックするAPI

IsMisDo100Yen

function doGet(e) {
  var json = {"isSale": false};
  var response;
  try {
    response = UrlFetchApp.fetch("http://www.misterdonut.jp/sale/index.html");
  } catch(err) {
    return createOutput(json);
  }
  
  var regexp = /(\d+)年(\d+)月(\d+)日.*(\d+)月(\d+)日/;
  var match = regexp.exec(response.getContentText("Shift_JIS"));
  if (match == null && match.length != 6) {
    return createOutput(json);
  }

  var sDate = new Date(match[1] + "/" + match[2] + "/" + match[3]);
  var eDate = new Date(match[1] + "/" + match[4] + "/" + match[5] + " 23:59:59");
  var nDate = new Date();
  
  if (sDate.getTime() <= nDate.getTime() && nDate.getTime() <= eDate.getTime()) {
    json = {
      "isSale": true,
      "sDate" : formatDate(sDate),
      "eDate" : formatDate(eDate)
    };
  }
  return createOutput(json);
}

function createOutput(json) {
  return ContentService.createTextOutput(JSON.stringify(json)).setMimeType(ContentService.MimeType.JSON);
}

function formatDate(date) {
  toDouble = function(d) { return ("0"+d).slice(-2); };
  return date.getFullYear()          + "/" +
         (date.getMonth() + 1)       + "/" +
         date.getDate()              + " " +
         toDouble(date.getHours())   + ":" +
         toDouble(date.getMinutes()) + ":" +
         toDouble(date.getSeconds());
}