Learn Asp-net, Hapi and Stripe

Next.js is a minimalistic framework for server-rendered React applications.

You will implement stripe checkout in your application so that customers can buy products.

To do this, you will first create a Next.js API route that starts a stripe session and passes in products that are in the cart. This will forward users to the Stripe checkout page where they can input their credit card information.

Upon success or cancel, stripe will forward the user back to urls that you set.

Accept Payments through Stripe Checkout using Next.js API Routes

snipcart

While we have a lot of options for the different payment gateways that we can use in order to take payments, we're going to use [Stripe](https://stripe.com/), which is a well-known secure payment processing platform, where it's going to be able to easily integrate into our Snipcart account.

Once we add our Stripe account, we will head over to the Snipcart dashboard where we will connect Stripe as our payment gateway, which simply allows us to go through an authentication process, where we will have Stripe configured.


Use Stripe as a Payment Gateway in Snipcart

Supabase is an open source Firebase alternative. A service to:

- Listen to database changes.
- Query your tables, including filtering, pagination, and deeply nested relationships (like GraphQL).
- Create, update, and delete rows.
- Manage your users and their permissions.
- Interact with your database using a simple UI.

Supabase is not a 1-to-1 mapping of Firebase. Most notably, Supabase uses Postgres rather than a NoSQL store. 

supabase

Every transaction in Stripe is associated with a customer. Since we want our user to be able to see their transaction history in Stripe, we need to keep a track of their customer ID in our `profile` table.

In this video, we create a new Stripe account and configure our Next.js application to use its publishable and secret API keys. Additionally, we discuss by adding `NEXT_PUBLIC_` to our environment variable names, it exposes them to the client - running in the user's browser. This is entirely safe for our publishable key - which can be public - but not our secret key - which should always be kept private.

To create a Stripe customer, we need to use our private API key, meaninh this logic will need to be executed on the server. Next.js makes this simple with API routes - special serverless functions that will be created for any `.js` files in the `pages/api` directory.

We create a new API route to handle adding a stripe customer and updating the user's profile with their customer ID. 

Create a Stripe Customer with Next.js API Routes

Each of our subscription options will be a product in Stripe. In this video, we create a `/pricing` page to display our new products. We use the Stripe package to fetch these options at build time and add some simple styling to make it look nice!

Annoyingly, the `prices` list is what we need to request for pricing information, but does not contain product information - such as `name`. This means we need to make an additional request for the product information for each price. Good thing we are only doing this once at build time, as the request time could add up pretty quickly, if we needed to do this on every request!

Lastly, we sort the list of plans from Stripe, to ensure that the prices go up in ascending order. Since each plan has a price, we can use a simple native JS sorting technique.

Use Stripe.js to Query Product Data and Pre-Render with Next.js

Stripe makes taking payments easy. We can use the Stripe library to create a checkout session. This takes a configuration object, which describes how we want to charge our customer, the method we would like to use, and where we want to redirect the user based on a successful transaction or cancellation.

In this video, we create a new API route to initiate a Stripe session to charge for a particular subscription option. This API route returns the session's ID, which we can use to redirect the client. In order to do this, we install the `stripe-js` library - which is used client-side to interact with Stripe - and initialize it using our `publishable` key.

Lastly, we can use the test credit card for Stripe to confirm everything is working in test mode.

Charge Customer for Stripe Subscription in Next.js

Webhooks allow us to subscribe to particular events, and have Stripe let us know when they occur. From the Stripe dashboard we can specify an endpoint to call, and which events we care about. For subscriptions, we want to know when a new subscription occurs, is updated, or deleted.

In this video, we create a new API route to handle webhook events from Stripe. We can call the `stripe.webhooks.constructEvent` function which returns the event object. It also takes the `req`, `signature` and `signingSecret` to verify the request is valid and came from Stripe.

The `signature` can be extracted from the request's headers, and the signing secret is available in the Stripe dashboard, however, the Next.js `req` object is a different structure to what `constructEvent` is expecting. Therefore, we need to install the `micro` package and use its `buffer` function to get the `reqBuffer`. We also need to export a config object from our page component, setting `bodyParser` to `false`.

Subscribe to Stripe Webhooks Using Next.js API Routes

We can use Stripe's Customer Portal to allow our users to manage their subscription and payment information. We will configure the Customer Portal in the Stripe Dashboard and create the required pages for `/terms` and `/privacy`.

Additionally, we create an API route to initiate our customer portal session. Similarly to our API route that charges for a subscription, we need to get the token from the cookie, add it to the Supabase session and fetch the associated `profile` data. 

Since the `updated` event gets triggered for creating a new subscription, as well as updating an existing one, and we want to perform the same changes in our Supabase DB, we can replace our case statement to handle `customer.subscription.updated`.

Lastly, we implement a case for `deleted`, setting `is_subscribed` to `false` and `interval` to `null`. Since this event doesn't actually trigger until the end of the customer's billing cycle, we can manually cancel the user's subscription from the Stripe dashboard.

Allow Customer to Manage Their Subscription with Stripe Customer Portal

There are a few steps to go through to push our application and all of our services to production!

1. In order to "activate" our Stripe account, we need to fill out some details about our business. 

2. Update everywhere `[http://localhost:3000](http://localhost:3000)` is referenced in our application to use the `CLIENT_URL` environment variable, which can be set to localhost in `.env.local`.

3. Create a GitHub repo, and commit and push all of our changes.

4. Create a Vercel account, import project from GitHub, configure all environment variables and deploy!

5. Use our Vercel domain to configure our Customer Portal and Webhooks in Stripe.

6. Update `STRIPE_SIGNING_SECRET` environment variable in Vercel and manually redeploy.

7. Update our Site URL in Supabase and remove our test `user` and `profile` records.

8. Create a function hook in Supabase to use our Vercel domain

We now have a SaaS application deployed to the Internet that we can start making that side hustle money from!! 🎉

Configure Stripe for Production and Deploy Next.js Application with Vercel

### Accept payments & sell products powered by Stripe and the best of the JAMStack

There are as many ways to build an e-commerce store on the internet as there are products to sell. One thing is for certain, e-commerce is here to stay and as professional developers we need to understand how to build fully custom stores for our clients using the best modern tools available.

- React: flexible and customizable while following modern best practices
- Next.js: lightening fast with guide rails to help your project perform as consumers expect
- Stripe Checkout: lets you offload reams of complicated business logic to a trusted third party that maintains regulatory compliance, global payments, and a standard UX.

Your store will have well managed local component state using React Hooks and you'll also have clear and cohesive shared (global) state with React Context.

Finally you'll deploy your custom store to Vercel (the platform behind Next.js) as well as how to make your Next.js e-commerce store portable to deploy to other platforms.

React is one of the web’s most popular frameworks for building JavaScript applications. 

If you know what you’re doing, React can drastically simplify how you build, use, and maintain code.

Whether you’re a React newbie or you’re ready for advanced techniques, you can level-up with egghead. Explore our in-depth courses, lessons, and community resources to build more powerful applications and crack open your career.

react

Create an eCommerce Store with Next.js and Stripe Checkout

Payments infrastructure for the internet.

stripe

Now that we have an app and our products configure in Stripe, it's time to connect the two and give people a way to purchase our products.

Using Stripe's API, we can initiate a new instance of the Stripe Checkout flow with a simple click of a button.

We'll create an `initiateCheckout` function that handles this flow for us. After loading stripe through `@stripe/stripe-js` we'll `await` a `stripePromise` that will allow us to redirect to stripes checkout flow. You'll notice that we will need to pass in line items with the price id and quantity.

Integrate Stripe Checkout to Purchase Products in Next.js with Stripe @stripe/stripe-js Cl

With Stripe or many other services, their APIs rely on special keys that authenticate requests or allow that service to track usage for things like billing.

Some of these keys are able to be used publicly and some must be kept private, but ultimately we want to have a way to easily manage these keys and not hard-code them into our application, which is where environment variables come in.

We will find our Stripe public key that will be used locally as well as in production on Vercel. You'll learn how to set an environment variable in Next.js (hint, you need to prepend `NEXT_PUBLIC` to the variable name make it available in the client) as well as in production on Vercel.

Add a Stripe API Key as an Environment Variable in Next.js & Vercel

Stripe has a variety of solutions that makes it super powerful as a payment provider. We're taking advantage of their Stripe Checkout product because it allows us to get started with an online store without having to manually accept payments.

To do this though, Stripe Checkout relies on the browser to make API requests, which we have to configure to work for our website.

We will set our eCommerce site domain on Stripe's CLIENT-ONLY integration to set us up to add the checkout workflow for our site.

Configure a Stripe Checkout Domain for Client-Only Integration

How does e-commerce work on the Jamstack? 

Jason Lengstorf and [Thor 雷神](https://twitter.com/thorwebdev) teamed up on _Learn With Jason_ to [build a serverless Stripe Checkout implementation](https://www.learnwithjason.dev/sell-products-on-the-jamstack). This collection is a cleaned up, egghead-style tutorial for selling products on a Jamstack site using Netlify Functions and Stripe Checkout.

An all-in-one workflow that combines global deployment, continuous integration, and automatic HTTPS.

netlify

Sell Products Using Stripe Checkout and Netlify Functions

JavaScript® (often shortened to JS) is a lightweight, interpreted, object-oriented language with first-class functions, most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic, and supports object-oriented, imperative, and functional programming styles.

javascript

Providing real time information to your Javascript apps with [ASP.NET Core SignalR](https://www.npmjs.com/package/@microsoft/signalr). With ASP.NET Core and SignalR you can add real time functionality with ease and keep your application up to date without letting the clients reloading their page manually.

Expose Values for Real-time Consumption with SignalR in ASP.NET Core

ASP.NET is an open source web framework for building modern web apps and services with .NET. ASP.NET creates websites based on HTML5, CSS, and JavaScript that are simple, fast, and can scale to millions of users.

asp-net

ASP.NET Core SignalR can push events from the server into your Client Application. In this video we will build a client side Todo app with Angular which consumes events from a ASP.NET Core SignalR backend to see how we can consume and synchronize data between our client side Angular Applications.

Consume ASP.NET Core SignalR values in an Angular Application

If you want to improve a REST API beyond GET/POST&PUT and DELETE the next step would be adding the push functionality to send new data into your web applications. With ASP.NET Core and SignalR you can add this functionality with ease and keep your application up to date without letting the clients reloading their page manually.

[signalr npm](https://www.npmjs.com/package/@aspnet/signalr), [signalr Core](https://www.nuget.org/packages/Microsoft.AspNetCore.SignalR.Core/)

[archived] Expose Values for Real-time Consumption with SignalR in ASP.NET Core

A rich framework for building applications and services hapi enables developers to focus on writing reusable application logic instead of spending time building infrastructure.

hapi

hapi makes handling POST and PUT payloads easy by buffering and parsing them automatically without requiring additional modules or middleware. This video will demonstrate how to handle JSON and form based request payloads via hapi's route configuration.

hapi.js - POST and PUT request payloads

hapi automatically responds with JSON for any error passed to a route's `reply()` method. But what if your application needs errors rendered in HTML? This lesson shows how to implement friendly HTML error messages using hapi extension events.

hapi.js - Friendly error pages with extension events

hapi supports request validation out of the box using the joi module. Request path parameters, payloads, and querystring parameters can be validated with joi's simple, yet powerful, notation. This lesson covers the basics of validating requests using joi.

hapi.js - Request Validation with Joi

hapi has built-in support for parsing cookies from a request headers, and writing cookies to a response, making state management easy and straight-forward. It even has built in support for cookie encryption and auto detects when a cookie contains JSON, parsing or stringifying automatically.

hapi.js - Managing State with Cookies

Instead of using middlware, hapi provides a number of points during the lifecycle of a request that you can hook-in to provide additional functionality, called "extension events". This lesson will give you an introduction to using extension events, and show how they can be used to manipulate the request or response in-flight.

hapi.js - Extending the request with lifecycle events

Creating powerful and context-aware tools for Cursor IDE becomes straightforward when leveraging information directly from your current project. In this lesson, you'll learn how to build a custom MCP (model context protocol) tool that intelligently requests essential details—such as the current project path and conversation summaries—from your Cursor project.

Workflow demonstrated in this lesson:

- Define MCP tool parameters to request specific project details.
- Pass project path and conversation summaries into your MCP tool.
- Automatically write or update files within your current project using these parameters.

Key benefits:

- Automate tasks with precision based on your active project's context.
- Simplify interactions by creating AI-driven CLI commands tailored to your needs.
- Open endless possibilities for integrating external APIs and advanced automation.

Through this practical demonstration, you'll gain a versatile technique for enhancing your development workflow in Cursor IDE.

[https://github.com/johnlindquist/mcp-cursor-tool-starter](https://github.com/johnlindquist/mcp-cursor-tool-starter)

John Lindquist

Build MCP Tools Using Project Context for Custom Cursor IDE Automation

Setting up custom MCP (Machine Command Protocol) servers in Cursor can involve tedious steps, such as configuring node paths or referencing additional commands. This lesson shows how to streamline this process by bundling your MCP server directly into a standalone executable.

Workflow demonstrated in this lesson:

- Use a simple MCP server project starter.
- Run a single bundling command to create an executable.
- Right-click the generated executable, copy its full path, and add that directly to your Cursor settings.

Key benefits:

- Eliminates the need for complex node path configurations.
- Simplifies the setup and integration of custom MCP servers into Cursor.
- Makes the server executable instantly accessible within your Cursor environment.

By following this streamlined approach, you can quickly and easily integrate custom MCP servers into Cursor, making your development workflow cleaner and more efficient.

[https://github.com/johnlindquist/mcp-cursor-tool-starter]()

Easy MCP Server Setup in Cursor IDE with Bundled Executables

TanStack Router is the foundation for TanStack Start, which is gaining significant attention due to its innovative approach to application development.

This course focuses on getting effective TanStack Router, a modern and scalable routing solution for React applications. You will learn how to:
- set up and scaffold new applications,
- use file-based routing
- create nested routes
- manage dynamic route parameters and more.

The course covers advanced features like route loaders, caching strategies, and lifecycle hooks, which are crucial for enhancing application performance and user experience.

By understanding TanStack Router, you can build more efficient, type-safe, and maintainable applications, leveraging its integration with data fetching libraries like TanStack Query.

This knowledge is essential for developers looking to improve their routing skills and stay ahead in the field.

Tomasz Ducin

Up and Running with Tanstack Router and React

Learn TanStack Router for React: set up apps, use file-based routing, manage routes, and boost app performance.


In this lesson, we explore how TanStack Router integrates with the [native browser history API](https://developer.mozilla.org/en-US/docs/Web/API/History) to manage navigation.

As we navigate through different routes, the URL changes are stored in the browser's history, allowing users to use the forward and backward buttons to traverse their navigation history.

This functionality also **enables permalinks**, meaning users can copy and paste URLs to access specific routes directly.

Additionally, we learn how to programmatically interact with the history object to move forward or backward through the navigation stack, enhancing the user experience by providing full control over navigation actions.

This compatibility with the native history API ensures that TanStack Router applications behave similarly to traditional websites, offering a seamless and intuitive user experience.

Browse History in Tanstack Router

Browse history in TanStack React Router using the native history API for seamless navigation

In this lesson, we explore how to hook into TanStack Router's lifecycle hooks to execute custom logic during route changes.

The hooks we'll look into are: `onEnter`, `onStay`, and `onLeave`, which are triggered when entering, staying within, or leaving a route, respectively.

All hooks receive a detailed match parameter, providing information about the route's path, ID, and tons of other details.

This allows for the implementation of features like animations or logging when navigating between routes.

We also learn how to use these hooks to track and manage state changes as users interact with the application, making it easier to implement complex behaviors based on route transitions.

Hook into Route Lifecycle Hooks in Tanstack Router

Hook into TanStack React Router's lifecycle hooks for custom route logic and animations.

In this lesson, we learn how to handle not found errors in TanStack Router by using the `notFoundComponent` at both nested and global levels.

To trigger the display of a `notFoundComponent`, we must throw a specific error using the `notFound` function within a loader or other lifecycle method of a route. This approach allows us to provide custom error messages for specific routes or globally across the application.

We explore how to define a notFoundComponent within a specific route's configuration and how to set a `defaultNotFoundComponent` at the router global level, which applies to all routes unless overridden locally. This flexibility ensures that users receive meaningful feedback when encountering non-existent routes.

Provide NotFoundComponent at Nested Route or Global Level in Tanstack Router

Handle notFound errors in TanStack Router with notFoundComponent at nested or global levels.



In this lesson, we learn how to access dynamic route parameters using the `useParams` hook in TanStack Router.

When used with a specific `Route` object, `useParams` provides type-safe access to route parameters, ensuring that TypeScript knows the exact types of these parameters.

This approach eliminates the possibility of undefined/optional values, making it safer for accessing parameters like `employeeId`.

However, when using `useParams` globally without specifying a route, it requires an options object with `{ strict: false }`, which reduces type safety.

In this case, the hook can access parameters from any route in the application, but it does not guarantee their existence or type. This flexibility allows components to be reused across different routes, but it requires careful handling of potential errors.



Access Dynamic Route Parameters with useParams in Tanstack Router

Access dynamic route parameters with useParams in TanStack React Router for type-safe routing.

In this lesson, we learn how to reorganize file-based routes in TanStack Router to accommodate nested routing structures.

We explore how to create additional nested routes by converting files into directories, allowing for further nesting.

For example, to create a nested route like `/employees/$employeeId/edit`, we can create a **directory** (!) named `$employeeId` and place an `index.tsx` file inside it to define the route component for this nested route.

This approach provides flexibility in organizing files while maintaining the convention that file names and locations align with route paths. We also see how to adapt existing components and loaders to work with these reorganized routes, enabling features like edit forms or delete actions (or whatever) within nested routes.


Reorganize File-Based Routes in Tanstack Router

Reorganize file-based routes in TanStack Router for flexible nested routing.



In this lesson, we learn how to parametrize the loader for a nested route in TanStack Router.

We focus on a nested route like `/employees/$employeeId`, where the `$employeeId` is a **dynamic parameter**.

To fetch data for this route, we use a `loader` function that accesses the `$employeeId` parameter. This is achieved by using the params object available in the `loader` function, which contains the dynamic segments of the URL. We then use this parameter to call a function like `getEmployeeById`, which fetches specific employee details from an API.

We highlights that TanStack Router **automatically infers types** for these parameters, ensuring type safety for nested routes.

Parametrize Route Loader for Nested Route in Tanstack Router

Parametrize nested route loaders in TanStack Router using path parameters

In this lesson, we learn how to create nested routes and outlets in TanStack Router using file-based routing.

We start by creating a new `employees` directory and files to represent nested routes, such as `/employees/$employeeId`. The `$` symbol is used to denote dynamic parameters.

We then use the `<Link>` component from TanStack Router to create links to these nested routes, passing necessary parameters.

To render the nested content, we use the `<Outlet>` component (nested), which automatically renders child routes. This approach allows us to dynamically display stuff under a nested route.

All the time, the TanStack Router generator automatically updates the route tree based on file changes - our routing configuration remains consistent 🔥



Create Nested Route and Nested Outlets in Tanstack Router

Create nested routes and outlets in TanStack Router using file-based routing

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