GASでハーモス勤怠から出勤、退勤情報を取得し、チャットに通知する

const api_key = "xxxxxxxxxxxxx";//期限: 2022/09/11 15:42:34
const api_url = 'https://ieyasu.co/api/';
const company_name = 'xxxxxx';
let today = new Date();
let today_day = GetDate(today);
//15分前
let before15min_unix = today.getTime() - 900000; //ミリ秒
let before15min = new Date(before15min_unix);
//Google chat Webhook URL
const googlechat_webhook = 'https://chat.googleapis.com/v1/spaces/xxxxxxx';

//ハーモスAPI　認証用Tokenの取得
function HrmosApiGetToken() {

  let headers = {
    'Authorization': 'Basic '+api_key,
    'Content-Type':'application/json'
  };
  let options = {
    'method' : 'get',
    "headers" : headers
  };
  let response = UrlFetchApp.fetch(api_url+company_name+'/v1/authentication/token', options);
  return JSON.parse(response);
}

//ハーモスAPI　日付指定の打刻履歴の一覧
function HrmosApiGetDaily(token,from_d,to_d)
{
  let headers = {
    'Authorization': 'Token '+token,
    'Content-Type':'application/json'
  };
  let options = {
    'method' : 'get',
    "headers" : headers
  };
  let response = UrlFetchApp.fetch(api_url+company_name+'/v1/stamp_logs/daily/'+today_day+'?limit=100&from='+from_d+'&to='+to_d, options);
  return JSON.parse(response);
}

//DateオブジェクトをW3CDTFフォーマットに変換 YYYY-DD-MMTHH:MM:SS+09:00
function SetDateFormat(date)
{
  return date.getFullYear()+'-'+(date.getMonth() + 1).toString().padStart(2, '0')+'-'+date.getDate().toString().padStart(2, '0')+ "T" + date.getHours().toString().padStart(2, '0') + ":" + date.getMinutes().toString().padStart(2, '0') + ":" + date.getSeconds().toString().padStart(2, '0')+'+09:00';

}

//Dateオブジェクトを日付だけ抽出 YYYY-DD-MM
function GetDate(date)
{
  return date.getFullYear()+'-'+(date.getMonth() + 1).toString().padStart(2, '0')+'-'+date.getDate().toString().padStart(2, '0');
}

//Dateオブジェクトを日付と時間を表示 YYYY-DD-MM HH:MM:SS
function GetDateTime(date)
{
  return date.getFullYear()+'-'+(date.getMonth() + 1).toString().padStart(2, '0')+'-'+date.getDate().toString().padStart(2, '0')+' '+ date.getHours().toString().padStart(2, '0') + ":" + date.getMinutes().toString().padStart(2, '0') + ":" + date.getSeconds().toString().padStart(2, '0');
}

function GetUserList(token)
{
  let headers = {
    'Authorization': 'Token '+token,
    'Content-Type':'application/json'
  };
  let options = {
    'method' : 'get',
    "headers" : headers
  };
  let response = UrlFetchApp.fetch(api_url+company_name+'/v1/users?limit=100', options);
  let userlist = JSON.parse(response);
  //console.log(userlist);
  let user_array = [];
  if(userlist.length){
    for ( var i = 0; i < userlist.length; i++ ) {
      user_array[userlist[i].id] = userlist[i].last_name + userlist[i].first_name;
    }
  }
  return user_array;
}

function myFunction() {
　//認証トークンの取得
  let token_object = HrmosApiGetToken();
  let to_d = SetDateFormat(today);
  let from_d = SetDateFormat(before15min);
  //勤怠情報の取得
  let hrmos_object = HrmosApiGetDaily(token_object.token,from_d,to_d);
  if(hrmos_object.length){
    //ユーザー一覧を取得
    let user_array = GetUserList(token_object.token);
    for ( var i = 0; i < hrmos_object.length; i++ ) {
      if(hrmos_object[i].user_id){
          let user_name = '未登録ユーザー';
          if(user_array[hrmos_object[i].user_id]){
            user_name = user_array[hrmos_object[i].user_id];
          }
          let created_datetime = GetDateTime(new Date(hrmos_object[i].created_at));
          let checkinout = '';
          if(hrmos_object[i].stamp_type == 1){
            checkinout = 'チェックイン';
          }else if(hrmos_object[i].stamp_type == 2){
            checkinout = 'チェックアウト';
          }else if(hrmos_object[i].stamp_type == 3){
            checkinout = '休憩開始';
          }else if(hrmos_object[i].stamp_type == 4){
            checkinout = '休憩終了';
          }
          let message = user_name +'さんは、'+created_datetime+'に'+checkinout+'しました。';
          let res = SendGoogleChatMessage(message);
      }
    }
  }
}