Learn to build a complete AI-powered newsletter generation SaaS application from scratch using modern web technologies including Next.js, Supabase, OpenAI, and TailwindCSS. Start by setting up a Next.js application and implementing user authentication with Supabase, including middleware configuration and session management. Build a comprehensive sign-in system with form handling, user registration, and dashboard redirection functionality. Explore the core SaaS concept of fetching and generating personalized newsletters using AI technology. Integrate Inngest for handling background tasks such as data fetching and email sending, then connect OpenAI to generate AI-driven newsletter content. Develop user preference systems with frequency options using custom-styled radio buttons and form validation. Implement newsletter scheduling functionality that allows users to set their preferred delivery frequency, pause and resume subscriptions, and manage their newsletter preferences through a dashboard interface. Master advanced features including email delivery through Email.js, event scheduling and cancellation systems, and user status management. Build a complete user interface for displaying preferences, handling subscription states, and managing the entire newsletter lifecycle from generation to delivery.

Syllabus

00:00 | Introduction
01:05 | Setting up the Next.js app
02:28 | Setting up authentication with Superbase
05:01 | Organizing project files and configuring Superbase
08:03 | Middleware configuration and setting up session management
12:25 | Building the sign-in page and implementing user authentication
19:45 | Handling form submission, sign-up vs sign-in, and toggling states
30:22 | Redirecting to the dashboard after successful sign-in
35:03 | Displaying the user's email and adding the logout functionality
49:06 | Core concept of the SaaS: Fetching and generating personalized newsletters
52:03 | Integrating Inngest for background tasks like fetching data and sending emails
59:54 | Setting up OpenAI for generating AI-driven newsletter content
1:42:41 | Setting up Frequency Options with Radio Buttons and Custom Styling
1:49:00 | Save Preferences Button Setup and Validation
1:51:02 | Handling Form Submission and Saving User Preferences
1:53:13 | Integrating AI Newsletter Generation with Inngest
2:00:01 | Sending the Generated Newsletter via Email.js
2:06:12 | Scheduling Future Newsletters Based on User Preferences
2:27:36 | Pausing and Resuming Newsletters Functionality
2:36:00 | Fetching and Displaying User Preferences on Dashboard
3:00:23 | Scheduling Next Newsletter Based on Frequency Selection
3:04:06 | Cancelling the Scheduled Newsletter Event
3:07:33 | Resuming the Newsletter Scheduling After Pausing
3:11:05 | Handling User Status and Event Cancellations
3:14:21 | Finalizing the Scheduling System for the Newsletter
3:15:51 | Wrapping Up and Final Thoughts on the Project