Google Calendar: Insert Event

main();
function main() {
  //// == 工程コンフィグの参照 / Config Retrieving ==
  const quser = configs.getObject("conf_User");
  if (quser === null) {
    throw `User not found.`;
  }
  let calendarId = configs.get("conf_DataIdB");
  if (calendarId === "" || calendarId === null) {
    calendarId = "primary";
  }
  const eventSummary = configs.get("conf_DataIdC");
  if (eventSummary === "" || eventSummary === null) {
    throw "Event Title is blank";
  }
  const startDate = engine.findData(configs.getObject("conf_DataIdD"));
  if (startDate === null) {
    throw "Event Start Date is blank";
  }
  const endDateDef = configs.getObject("conf_DataIdE");
  let endDate = null;
  if (endDateDef !== null) {
    endDate = engine.findData(endDateDef);
  }
  let eventLocation = configs.get("conf_DataIdF");
  if (eventLocation === null) {
    eventLocation = "";
  }
  let eventDescription = configs.get("conf_DataIdG");
  if (eventDescription === null) {
    eventDescription = "";
  }

  const eventIdDataDef = configs.getObject("conf_eventId");
  const eventUrlDataDef = configs.getObject("conf_eventUrl");
  const meetUrlDataDef = configs.getObject("conf_meetUrl");

  //// == 演算 / Calculating ==
  if (calendarId.search(/[^\w\.@]/) !== -1) {
    throw "Invalid Calendar ID";
  }

  if (endDate === null) {
    endDate = startDate.addHours(1);
  }
  if (endDate.getTime() < startDate.getTime()) {
    throw "Event End Date comes before Event Start Date";
  }

  //// == 予定を追加する / Insert Event ==
  insertEvent(
    quser,
    calendarId,
    eventSummary,
    eventLocation,
    eventDescription,
    startDate,
    endDate,
    eventIdDataDef,
    eventUrlDataDef,
    meetUrlDataDef
  );
}

/**
 * Google カレンダーにイベントを追加する
 * @param {QuserView} quser ユーザー
 * @param {String} calendarId カレンダーID
 * @param {String} eventSummary 予定タイトル
 * @param {String} eventLocation 場所情報
 * @param {String} eventDescription 説明情報
 * @param {AddableTimestamp} startDate 開始日時
 * @param {AddableTimestamp} endDate 終了日時
 * @param {ProcessDataDefinitionView} eventIdDataDef Event ID を保存する文字型データ項目
 * @param {ProcessDataDefinitionView} eventUrlDataDef Event URL を保存する文字型データ項目
 * @param {ProcessDataDefinitionView} meetUrlDataDef Meet URL を保存する文字型データ項目
 */
function insertEvent(
  quser,
  calendarId,
  eventSummary,
  eventLocation,
  eventDescription,
  startDate,
  endDate,
  eventIdDataDef,
  eventUrlDataDef,
  meetUrlDataDef
) {
  const uri = `https://www.googleapis.com/calendar/v3/calendars/${calendarId}/events`;

  const sdf = new java.text.SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");

  const myObj = {};
  myObj.summary = eventSummary;
  myObj.location = eventLocation;
  myObj.description = eventDescription;
  myObj.start = {};
  myObj.start.dateTime = sdf.format(startDate);
  myObj.start.timeZone = engine.getTimeZoneId();
  myObj.end = {};
  myObj.end.dateTime = sdf.format(endDate);
  myObj.end.timeZone = engine.getTimeZoneId();
  myObj.source = {};
  myObj.conferenceData = {};
  myObj.conferenceData.createRequest = {};
  myObj.conferenceData.createRequest.requestId = `q-${processInstance.getProcessInstanceId()}`;
  myObj.conferenceData.createRequest.conferenceSolutionKey = {};
  myObj.conferenceData.createRequest.conferenceSolutionKey.type =
    "hangoutsMeet";

  let request = httpClient.begin().googleOAuth2(quser, "Calendar");
  if (meetUrlDataDef !== null) {
    request = request.queryParam("conferenceDataVersion", "1");
  }
  const response = request
    .body(JSON.stringify(myObj), "application/json")
    .post(uri);

  const status = response.getStatusCode();
  if (status >= 300) {
    const accessLog = `---POST request---${status}\n${response.getResponseAsString()}`;
    engine.log(accessLog);
    throw `Failed to insert event. status:${status}`;
  }

  const responseStr = response.getResponseAsString();
  const eventJson = JSON.parse(responseStr);
  const eventId = eventJson.id;
  const eventUrl = eventJson.htmlLink;
  const meetUrl = eventJson.hangoutLink;
  if (eventIdDataDef !== null) {
    engine.setData(eventIdDataDef, eventId);
  }
  if (eventUrlDataDef !== null) {
    engine.setData(eventUrlDataDef, eventUrl);
  }
  if (meetUrlDataDef !== null) {
    engine.setData(meetUrlDataDef, meetUrl);
  }
}