Transfer plans in Google calendar to Todoist

calendar2todoist.gs

const CALENDAR_IDS = ["カレンダー連携ID"];
const TODOIST_TOKEN = "Todoistトークン";
const TODOIST_PROJECT_ID = "Todoist追加先プロジェクトID";

function pad02(s) {
  return ("0" + s).slice(-2);
}

function createTodoistTasks(todoistToken, todoistProjectId, tasks, dateForAllDayTask) {
  for (let task of tasks) {
    let payload = {
      content: task.title,
      project_id: todoistProjectId,
    };
    if (task.isAllDayTask) {
      // Don't use startTime because it indicates the starting date of the (all-day) task.
      const t = dateForAllDayTask;
      payload.due_date = `${t.getFullYear()}-${pad02(t.getMonth()+1)}-${pad02(t.getDate())}`;
    } else {
      payload.due_datetime = task.startTime.toISOString();
    }
    let res = UrlFetchApp.fetch("https://api.todoist.com/rest/v2/tasks", {
      method: "POST",
      contentType: "application/json",
      headers: {
        "Authorization": `Bearer ${todoistToken}`,
      },
      payload: JSON.stringify(payload),
    });
    //console.log(res.toString());
  }
}

function fetchEventsOn(calendar, date) {
  const events = calendar.getEventsForDay(date);
  let res = [];
  for (let ev of events) {
    const task = {};
    task.title = ev.getTitle();
    task.isAllDayTask = ev.isAllDayEvent();
    if (ev.isAllDayEvent())
      task.startTime = ev.getAllDayStartDate();
    else
      task.startTime = ev.getStartTime();
    res.push(task)
  }
  return res;
}

function doTrigger(){
  const today = new Date();
  for (let calendarId of CALENDAR_IDS) {
    const calendar = CalendarApp.getCalendarById(calendarId);
    if (calendar === null) {
      console.log(`Can't get calendar: ${calendarId}`);
      continue;
    }
    const events = fetchEventsOn(calendar, today);
    createTodoistTasks(TODOIST_TOKEN, TODOIST_PROJECT_ID, events, today);
  }
}