Book Image

Learning Google Apps Script

By : Ramalingam Ganapathy
Book Image

Learning Google Apps Script

By: Ramalingam Ganapathy

Overview of this book

Google Apps Script is a cloud-based scripting language based on JavaScript to customize and automate Google applications. Apps Script makes it easy to create and publish add-ons in an online store for Google Sheets, Docs, and Forms. It serves as one single platform to build, code, and ultimately share your App on the Web store. This book begins by covering the basics of the Google application platform and goes on to empower you to automate most of the Google applications. You will learn the concepts of creating a menu, sending mails, building interactive web pages, and implementing all these techniques to develop an interactive Web page as a form to submit sheets You will be guided through all these tasks with plenty of screenshots and code snippets that will ensure your success in customizing and automating various Google applications This guide is an invaluable tutorial for beginners who intend to develop the skills to automate and customize Google applications
Table of Contents (16 chapters)
Learning Google Apps Script
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

Creating a ticket reservation application


This application serves as an HTML form to the user to let them submit values to the server. This could be to reserve a ticket for a show, book a seat in a venue, book a room in a hotel, and many more purposes.

Create a spreadsheet and create column labels as shown in the following screenshot:

In the code file, create the doGet, doPost and cancelReservation functions:

function doGet(e) {
  // Maximum available
  const MAX_TICKETS = 25;

  // 'cancel' is a query string appended with the published URL.
  var cancel = e.parameter.cancel;

  if(cancel){
    var msg = cancelReservation(cancel);
    return ContentService.createTextOutput(msg);
  }
  
  // Replace with your spreadsheet's ID.
  var ss = SpreadsheetApp.openById("spreadsheet's id");
  var SheetReservations = ss.getSheetByName("Reservations");
  
  var data = SheetReservations.getDataRange().getValues();
  data.shift();
  
  var template = HtmlService.createTemplateFromFile("Form.html");
  template...