QBHouse-mail-notification-for-no-waiting

google-app-script-qbhouse-email-notification.js

/**
* This is a code for Google App Script to see if there is a line for QBHouse at Kojimachi.
* main(): Access to qb house kojimachi homepage and check the number of people in line.
* Replace an email with yours.
* doGet(): This function is for publishing a web service as API (only one endpoint).
*/

function main() {
  var url = 'http://www.qbhouse.co.jp/search/detail.php?id=475'; // QB HOUSE Kojimachi
  var text = UrlFetchApp.fetch(url).getContentText('utf-8');
  var waiting = text.match(/待ち人数：\d名/)[0];
  if (!waiting) {
    return;
  }
  var queue = waiting[waiting.length - 2];
  
  var sheet = SpreadsheetApp.getActiveSheet();
  var date = new Date();
  var formattedDate = Utilities.formatDate(date, "Asia/Tokyo", "yyyy-MM-dd'T'HH:mm:ss'Z'");
  sheet.appendRow([date.getTime(), formattedDate, queue]);
  
  if (queue == 0) {
    GmailApp.sendEmail('replace-with-your-email@example.com', 'Go to QB Kojimachi', '');
  }
}

// Above is all for email notification. Below code is for public API.
function doGet(e) {
  var sheet = SpreadsheetApp.getActiveSheet();
  var range = sheet.getRange(1, 3, 30);
  var data = sheet.getDataRange().getValues();
  Logger.log(data);
  var values = []
  for (var i = 0; i < data.length; i++) {
    values.push({unixtimestamp: data[i][0],
                 tokyotime: data[i][1],
                 queue: data[i][2]
                })
  }
  return createContent(e.parameter.callback , {title: 'QBハウス麹町店待ち人数データベース',
                                               shop: {
                                                 address: '東京都千代田区麹町3-4-1麹町3丁目ビル1F',
                                                 zipcode: '102-0083',
                                                 open: '平日：10:00～20:00 (受付終了20:00),土曜：09:00～19:00 (受付終了19:00),日祝：09:00～19:00 (受付終了19:00)',
                                                 website: 'http://www.qbhouse.co.jp/search/detail.php?id=475'
                                               },
                                               response : values});  
}

function createContent(callback , returnObject ) { // returns JSON or JSONP
  if(callback) {
    return ContentService.createTextOutput(callback + '(' + JSON.stringify(returnObject) + ')').setMimeType(ContentService.MimeType.JAVASCRIPT);
  } else {
    return ContentService.createTextOutput(JSON.stringify(returnObject)).setMimeType(ContentService.MimeType.JSON);
  }  
}

Example of dumped data to Google Spread Sheet

Example API on Firefox