8thkun-line-bot

8thkun.gs

/** 
 * A Google Apss Script LINE Bot project for activating the group communication.
 *
 * To improve the group commutication, it has some functions;
 * (1)anonymous posts, (2)schedule notifications and 
 * (3)assign list.
 *
 * Descripting following page.
 *
 * Messaging APIとGASを使ったLINE Botでグループチャットの活発化 - Qiita
 * https://qiita.com/MxShun/items/7a563a795d41cdc0f1dc
 */

var CHANNEL_ACCESS_TOKEN = "【チャンネルアクセストークン】";
var CALENDER_ID = "【GoogleカレンダーID】";
var SHEET_ID = "【GoogleスプレッドシートID】";
var GROUP_ID = "【LINEグループID】";

var dateExp = /(\d{2})\/(\d{2})\s(\d{2}):(\d{2})/;
var dayExp = /(\d+)[\/月](\d+)/;
var hourMinExp = /(\d+)[:時](\d+)*/;

var assign = "\
🗿配属先一覧🗿\n\
name1 assign1\n\n\
name2 assign2\n\n\
name3 assign3\
";

function doPost(e) {
  var replyToken = JSON.parse(e.postData.contents).events[0].replyToken;
  var lineType = JSON.parse(e.postData.contents).events[0].type;
  if (typeof replyToken === "undefined") {
    return;
  }
  else if (lineType === "follow" || lineType === "unfollow") {
    var name = getUserProfile(JSON.parse(e.postData.contents).events[0].source.userId);
    logging(name, lineType, null);
    return;
  }
  var userMessage = JSON.parse(e.postData.contents).events[0].message.text;
  var cache = CacheService.getScriptCache();
  var type = cache.get("type");

  if (type === null) {
    if (userMessage === "予定の追加") {
      cache.put("type", 1);
      reply(replyToken, "予定の日付を教えて🗿(1/4)\n---\n形式指定:1/23, 1月23日\nキャンセル:『やめる』と入力");
    } else if (userMessage === "匿名で投稿") {
      cache.put("type", 10);
      reply(replyToken, "グルチャに匿名でラインするよ🗿投稿内容を教えて🗿\n---\nキャンセル：『やめる』と入力");
    } else if (userMessage === "配属を表示"){
      reply(replyToken, assign);
      var name = getUserProfile(JSON.parse(e.postData.contents).events[0].source.userId);
      logging(name, lineType, "配属を表示");
    }
  } else {
    if (userMessage === "やめる") {
      cache.remove("type");
      reply(replyToken, "キャンセルしたよ🗿");
      return;
    }

    switch(type) {
      case "1":
        // 予定日
        var [matched, month, day] = userMessage.match(dayExp);
        cache.put("type", 2);
        cache.put("month", month);
        cache.put("day", day);
        reply(replyToken, "予定の開始時刻を教えて🗿(2/4)\n---\n形式指定:1:23, 12時, 12時34分\nキャンセル:『やめる』と入力");
        break;
      case "2":
        // 開始時刻
        var [matched, startHour, startMin] = userMessage.match(hourMinExp);
        cache.put("type", 3);
        cache.put("start_hour", startHour);
        if (startMin == null) startMin = "00";
        cache.put("start_min", startMin);
        reply(replyToken, "予定の終了時刻を教えて🗿(3/4)\n---\n形式指定:1:23, 12時, 12時34分\nキャンセル:『やめる』と入力");
        break;
      case "3":
        // 終了時刻
        var [matched, endHour, endMin] = userMessage.match(hourMinExp);
        cache.put("type", 4);
        cache.put("end_hour", endHour);
        if (endMin == null) endMin = "00";
        cache.put("end_min", endMin);
        reply(replyToken, "予定の名前を教えて🗿(4/4)\n---\nキャンセル:『やめる』と入力");
        break;
      case "4":
        // 予定名
        cache.put("type", 5);
        cache.put("title", userMessage);
        var [title, startDate, endDate] = createEventData(cache);
        reply(replyToken, toEventFormat(title, startDate, endDate) + "\n\nで間違いない？🗿\nよければ『はい』、やり直すなら『いいえ』と入力して🗿");
        break;
      case "5":
        // 確認の回答がはい or いいえ
        cache.remove("type");
        if (userMessage === "はい") {
          var [title, startDate, endDate] = createEventData(cache);
          CalendarApp.getCalendarById(CALENDER_ID).createEvent(title, startDate, endDate);
          reply(replyToken, "予定を追加したよ🗿予定の当日朝に通知するね🗿");
          var name = getUserProfile(JSON.parse(e.postData.contents).events[0].source.userId);
          logging(name, lineType, "Calender Update at:" + startDate);
        } else {
          reply(replyToken, "悪いけど最初からやり直して🗿");
        }
        break;
      case "10":
        cache.put("type", 11);
        cache.put("post", userMessage);
        var post = createPost(cache);
        reply(replyToken, post + "\n\nで間違いない？🗿\nよければ『はい』、やり直すなら『いいえ』と入力して🗿\nいたずらや誹謗中傷は許さないよ🗿");
        break;
      case "11":
        // 確認の回答がはい or いいえ
        cache.remove("type");
        if (userMessage === "はい") {
          var post = createPost(cache);
          // グループにポスト
          pushPost("🗿匿名投稿🗿\n" + post);
          reply(replyToken, "投稿したから確認してね🗿");
          var name = getUserProfile(JSON.parse(e.postData.contents).events[0].source.userId);
          logging(name, lineType, post); // 2020/05/27ログ追記
        } else {
          reply(replyToken, "悪いけど最初からやり直して🗿");
        }
        cache.remove("post");
        break;
     default:
        reply(replyToken, "申し訳ありません。\n形式に誤りがないか確認してみて、なければ「キャンセル」で予定入力をキャンセルすることができるので、そちらを試していただけますか？");
        break; 
    }
  }
}

function createEventData(cache) {
  var year = new Date().getFullYear();
  var title = cache.get("title");
  var startDate = new Date(year, cache.get("month") - 1, cache.get("day"), cache.get("start_hour"), cache.get("start_min"));
  var endDate = new Date(year, cache.get("month") - 1, cache.get("day"), cache.get("end_hour"), cache.get("end_min"));
  return [title, startDate, endDate];
}

function toEventFormat(title, startDate, endDate) {
  var start = Utilities.formatDate(startDate, "JST", "MM/dd HH:mm");
  var end = Utilities.formatDate(endDate, "JST", "MM/dd HH:mm");
  var str = title + ": " + start + " ~ " + end;
  return str;
}

function createPost(cache){
  var post = cache.get("post");
  return post;
}

function reply(replyToken, message) {
  var url = "https://api.line.me/v2/bot/message/reply";
  UrlFetchApp.fetch(url, {
    "headers": {
      "Content-Type": "application/json; charset=UTF-8",
      "Authorization": "Bearer " + CHANNEL_ACCESS_TOKEN,
    },
    "method": "post",
    "payload": JSON.stringify({
      "replyToken": replyToken,
      "messages": [{
        "type": "text",
        "text": message,
      }],
    }),
  });
  return ContentService.createTextOutput(JSON.stringify({"content": "post ok"})).setMimeType(ContentService.MimeType.JSON);
}

function pushPost(body){
  var url = 'https://api.line.me/v2/bot/message/push';
  
  UrlFetchApp.fetch(url, {
    'headers': {
      'Content-Type': 'application/json; charset=UTF-8',
      'Authorization': 'Bearer ' + CHANNEL_ACCESS_TOKEN,
    },
    'method': 'post',
    'payload': JSON.stringify({
      'to': GROUP_ID,
      'messages':[{
        'type': 'text',
        'text': body,
      }]
     })
   })
}

function broadcastPost(body){
  var url = 'https://api.line.me/v2/bot/message/broadcast';
  
  UrlFetchApp.fetch(url, {
    headers: {
      'Content-Type': 'application/json; charset=UTF-8',
      'Authorization': 'Bearer ' + CHANNEL_ACCESS_TOKEN,
    },
    method: 'post',
    payload: JSON.stringify({
      'messages':[{
        'type': 'text',
        'text': body,
      }]
    })
  });
}

function getEvents() {
  var date = new Date();
  date.setDate(date.getDate());
  var events = CalendarApp.getCalendarById(CALENDER_ID).getEventsForDay(date);
  
  if (events.length !== 0) {
    var body = "🗿今日の予定🗿";
    events.forEach(function(event) {
      var title = event.getTitle();
      var start = toHHmm(event.getStartTime());
      var end = toHHmm(event.getEndTime());
      if(end == "00:00"){
        body += "\n＊" + title;
      } else {
        body += "\n＊" + title + " " + start + " ~ " + end;
      }
    });
    broadcastPost(body);
  }
}

function toHHmm(date){
  return Utilities.formatDate(date, "JST", "HH:mm");
}

function getUserProfile(userid){ 
  var url = 'https://api.line.me/v2/bot/profile/' + userid;
  
  var userProfile = UrlFetchApp.fetch(url,{
    headers: {
      'Content-Type': 'application/json; charset=UTF-8',
      'Authorization': 'Bearer ' + CHANNEL_ACCESS_TOKEN,
    },
  })
  return JSON.parse(userProfile).displayName;
}

function logging(name, action, message){
  var sheet = SpreadsheetApp.openById(SHEET_ID).getSheetByName('log');
  var data = new Date();
  sheet.insertRows(2,1);
  sheet.getRange(2, 1, 1, 4).setValues([[data, name, action, message]]);
}