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Learn MongoDB 4.x

You're reading from   Learn MongoDB 4.x A guide to understanding MongoDB development and administration for NoSQL developers

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Product type Paperback
Published in Sep 2020
Publisher Packt
ISBN-13 9781789619386
Length 610 pages
Edition 1st Edition
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Author (1):
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Doug Bierer Doug Bierer
Author Profile Icon Doug Bierer
Doug Bierer
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Table of Contents (22) Chapters Close

Preface 1. Section 1: Essentials
2. Introducing MongoDB 4.x FREE CHAPTER 3. Setting Up MongoDB 4.x 4. Essential MongoDB Administration Techniques 5. Section 2: Building a Database-Driven Web Application
6. Fundamentals of Database Design 7. Mission-Critical MongoDB Database Tasks 8. Using AJAX and REST to Build a Database-Driven Website 9. Section 3: Digging Deeper
10. Advanced MongoDB Database Design 11. Using Documents with Embedded Lists and Objects 12. Handling Complex Queries in MongoDB 13. Section 4: Replication, Sharding, and Security in a Financial Environment
14. Working with Complex Documents Across Collections 15. Administering MongoDB Security 16. Developing in a Secured Environment 17. Deploying a Replica Set 18. Replica Set Runtime Management and Development 19. Deploying a Sharded Cluster 20. Sharded Cluster Management and Development 21. Other Books You May Enjoy

Modifying the product select web action script

In order to activate the data table, we now need to make some modifications to the original script that presents a list of products to be purchased. As you recall from the last chapter, we simply presented six HTML select elements, with separate inputs for the quantities purchased. I think we can all agree this looks pretty bad! We now replace that logic with a single data table.

There are three main differences between /path/to/repo/www/chapter_05/purchase.py and the one we're examining for this illustration. The first is that we use the new Config class to provide a common configuration. The second major difference is that the responder class has been moved one level deeper. Instead of from web.responder.Html, the purchase script now defines this class as web.responder.html.Html:

from config.config import Config
from web.responder.html import HtmlResponder

The third difference is that instead of using the responder class addInsert(...

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