return_json_month_holiday.gs

// 休日のjsonを返す
// this gas return json that all holidays in this month
// or reutrn specific range of holidays if keys esisted. eg http://<script_url>?start_date=2016-04-10&end_date=2016-05-11
function doGet(e) {
  
  var today = new Date();
  // キーの取得
  var param_start_date = e.parameter.start_date;
  var param_end_date = e.parameter.end_date;
  var output = {};
  if((param_start_date === undefined || param_end_date === undefined) && ! (param_start_date === undefined && param_end_date === undefined)){

    output = {result: [], status: false};
  } else if (param_start_date !== undefined && param_end_date !== undefined){
    var result1 = param_start_date.match(/(\d{4})-(\d{2})-(\d{2})/);
    var result2 = param_end_date.match(/(\d{4})-(\d{2})-(\d{2})/);
    var month_start_date = new Date(result1[1], result1[2]-1, result1[3]);
    var month_end_date = new Date(result2[1], result2[2]-1, result2[3], 23,59,59);

    var holiday_list = getHoliday(month_start_date,month_end_date);

    output = {result:holiday_list,
              params: {
              start_date:param_start_date, end_date:param_end_date
              },
              };
  } else {
  // キーの未指定時は当月の休日を返却
  var month_start_date = new Date(today.getFullYear(),today.getMonth());
  var month_end_date = new Date(today.getFullYear(),today.getMonth()+1,0,23,59,59);
  var holiday_list = getHoliday(month_start_date, month_end_date);

  Logger.log(month_start_date);
  Logger.log(month_end_date);
  Logger.log(holiday_list);

  output = {result:holiday_list, status: true};
}
  return ContentService.createTextOutput(JSON.stringify(output))
    .setMimeType(ContentService.MimeType.JSON);
}


function getHoliday(month_start_date, month_end_date){
  var holiday_list = [];
  var events = CalendarApp.getCalendarById('ja.japanese#holiday@group.v.calendar.google.com').getEvents(month_start_date, month_end_date);
  for(var i=0; i < events.length; i++){
    holiday_list[i] = {
      name: events[i].getTitle(),
      description:events[i].
      getDescription(),
      starttime: events[i].getStartTime(),
      endtime: events[i].getEndTime()};  
    Logger.log('Loop');
  }
  return holiday_list;
}