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Building Production-Grade Web Applications with Supabase

You're reading from   Building Production-Grade Web Applications with Supabase A comprehensive guide to database design, security, real-time data, storage, multi-tenancy, and more

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Product type Paperback
Published in Aug 2024
Publisher Packt
ISBN-13 9781837630684
Length 534 pages
Edition 1st Edition
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Author (1):
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David Lorenz David Lorenz
Author Profile Icon David Lorenz
David Lorenz
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Table of Contents (20) Chapters Close

Preface 1. Part 1:Creating the Foundations of the Ticket System App
2. Chapter 1: Unveiling the Inner Workings of Supabase and Introducing the Book’s Project FREE CHAPTER 3. Chapter 2: Setting Up Supabase with Next.js 4. Chapter 3: Creating the Ticket Management Pages, Layout, and Components 5. Part 2: Adding Multi-Tenancy and Learning RLS
6. Chapter 4: Adding Authentication and Application Protection 7. Chapter 5: Crafting Multi-Tenancy through Database and App Design 8. Chapter 6: Enforcing Tenant Permissions with RLS and Handling Tenant Domains 9. Chapter 7: Adding Tenant-Based Signups, including Google Login 10. Part 3: Managing Tickets and Interactions
11. Chapter 8: Implementing Dynamic Ticket Management 12. Chapter 9: Creating a User List with RPCs and Setting Ticket Assignees 13. Chapter 10: Enhancing Interactivity with Realtime Comments 14. Chapter 11: Adding, Securing, and Serving File Uploads with Supabase Storage 15. Part 4: Diving Deeper into Security and Advanced Features
16. Chapter 12: Avoiding Unwanted Data Manipulation and Undisclosed Exposures 17. Chapter 13: Adding Supabase Superpowers and Reviewing Production Hardening Tips 18. Index 19. Other Books You May Enjoy

Listing existing comments from the server

Right now, we only have test comments below each ticket. Let’s change that. In this section, we want to ensure that existing comments of a ticket are loaded at page load, and hence, are shown immediately with the ticket data.

Note

Since we add new comments to the database without any page refresh, for newly added comments, we want to use a real-time callback in the upcoming section. In this section, we make sure that all existing comments that are available when loading the page will be visible at page load.

Inside our client TicketComments component, we could use useEffect(() => {}, []), and inside of it, use the Supabase client to load all data from the comments table with supabase.from('comments').eq('ticket', ticket). That’s a completely valid option. However, this would be a lazy-loading approach as the ticket data would immediately be available from the server and, when the TicketComments...

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