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Stripe Payment Gateway Integration with Ruby on Rails
This video demonstrates how to use the Stripe Payment Gateway Integration with Ruby on Rails template.
import os
import logging
from fastapi import FastAPI, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel
import stripe
import uvicorn
# Constants
STRIPE_SECRET_KEY = os.environ['STRIPE_SECRET_KEY']
YOUR_DOMAIN = os.environ['YOUR_DOMAIN']
# Configure Stripe API key
stripe.api_key = STRIPE_SECRET_KEY
# FastAPI app initialization
app = FastAPI()
# CORS configuration
origins = ["*"]
app.add_middleware(
CORSMiddleware,
allow_origins=origins,
allow_credentials=True,Frequently Asked Questions
How can this Stripe Payment Gateway Integration template benefit my Ruby on Rails e-commerce application?
The Stripe Payment Gateway Integration template offers several benefits for your Ruby on Rails e-commerce application: - Quick and easy setup of a secure payment system - Support for both one-time payments and recurring subscriptions - Customizable checkout experience - Integration with Stripe's robust payment processing infrastructure - Ability to track UTM parameters for marketing analytics
By implementing this template, you can rapidly deploy a professional-grade payment solution, allowing you to focus on other aspects of your e-commerce business.
Can I use this template for subscription-based services?
Yes, the Stripe Payment Gateway Integration template is designed to handle both one-time payments and subscription-based services. In the backend code, you'll notice that the create_checkout_session function sets up a Stripe checkout session with mode='subscription'. This means it's already configured for subscription-based payments. You can easily adjust the subscription details by modifying the line_items parameter in the stripe.checkout.Session.create() call.
How does this template help with marketing and analytics?
The Stripe Payment Gateway Integration template includes built-in support for UTM parameters. These are valuable for tracking the effectiveness of your marketing campaigns. The template captures UTM source, medium, campaign, term, and content parameters, and includes them in the Stripe metadata and return URL. This allows you to attribute successful conversions to specific marketing efforts, helping you optimize your marketing strategy and budget allocation.
How do I customize the price in the Stripe Payment Gateway Integration template?
To customize the price, you need to update the price_id in your frontend JavaScript code. Here's an example of how to do this:
```javascript async function checkout() { const response = await fetch("'LAZY SERVER URL'/create-checkout-session", { method: 'POST', headers: { 'Content-Type': 'application/json', }, body: JSON.stringify({ price_id: 'price_1234567890abcdef', // Replace with your actual Stripe Price ID months: 1, }), })
// ... rest of the function
} ```
You'll need to replace 'price_1234567890abcdef' with the actual Price ID from your Stripe dashboard. This ID corresponds to a specific product and price point you've set up in Stripe.
How can I add error handling to the checkout process in this template?
The Stripe Payment Gateway Integration template includes basic error handling, but you can enhance it further. Here's an example of how you might add more robust error handling in the frontend JavaScript:
```javascript async function checkout() { try { const response = await fetch("'LAZY SERVER URL'/create-checkout-session", { method: 'POST', headers: { 'Content-Type': 'application/json', }, body: JSON.stringify({ price_id: 'YOUR_PRICE_ID', months: 1, }), });
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const { sessionId } = await response.json();
const result = await stripe.redirectToCheckout({ sessionId: sessionId });
if (result.error) {
throw new Error(result.error.message);
}
} catch (error) {
console.error('Checkout error:', error);
// Display error to user
document.getElementById('error-message').textContent = 'An error occurred during checkout. Please try again.';
}
} ```
This enhanced version includes try-catch blocks to handle errors at different stages of the checkout process, providing a more robust implementation of the Stripe Payment Gateway Integration template.
Created: | Last Updated:
Introduction to the Stripe Payment Gateway Integration with Ruby on Rails Template
This template is designed to help you integrate a custom Stripe payment gateway into your Ruby on Rails application. It provides a backend service for Stripe checkout, which is compatible with any price point established through the Stripe API. The template includes a FastAPI backend written in Python to handle the creation of Stripe checkout sessions and a frontend JavaScript snippet to be included in your Rails application for initiating the checkout process.
Getting Started with the Template
To begin using this template, click "Start with this Template" on the Lazy platform. This will pre-populate the code in the Lazy Builder interface, so you won't need to copy, paste, or delete any code.
Initial Setup: Adding Environment Secrets
Before testing the application, you need to set up the following environment secrets in the Environment Secrets tab within the Lazy Builder:
1. `STRIPE_SECRET_KEY`: This is your Stripe secret API key, which you can find in your Stripe dashboard under Developers > API keys. 2. `YOUR_DOMAIN`: This is the domain where your Ruby on Rails application is hosted. It will be used to construct the return URL after a successful payment.
Make sure to obtain these values from your Stripe account and your hosting setup before proceeding.
Test: Pressing the Test Button
Once you have added the necessary environment secrets, press the "Test" button on the Lazy platform. This will deploy the app and launch the Lazy CLI. If the code requires any user input, you will be prompted to provide it through the Lazy CLI.
Using the App
After pressing the "Test" button, Lazy will provide you with a dedicated server link to use the API. If you're using FastAPI, Lazy will also provide a docs link, which you can use to interact with the app and understand the available endpoints.
Integrating the App into Your Ruby on Rails Application
To integrate the backend service into your Ruby on Rails application, follow these steps:
1. Insert the following script tags in the `` section of your `application.html.erb` file:
```html
\<%\= javascript_include_tag "checkout" %> ```
2. Create a `checkout.js` file in your `app/javascript` folder and include the following JavaScript code, replacing placeholders with your actual publishable API key from Stripe, your price ID, and the server URL provided by Lazy:
```javascript // Initialize stripe with your publishable stripe api key const stripe \= Stripe('YOUR_PUBLISHABLE_STRIPE_API_KEY');
// Create a checkout session async function checkout() { const response \= await fetch("'LAZY SERVER URL'/create-checkout-session", { method: 'POST', headers: { 'Content-Type': 'application/json', // Add any other headers your Rails app needs for CSRF, etc. }, body: JSON.stringify({ price_id: 'YOUR_PRICE_ID', months: 1, }), })
const { sessionId } \= await response.json();
stripe.redirectToCheckout({ sessionId: sessionId }).then(function (result) { if (result.error) { console.error(result.error.message); } }); }
document.addEventListener('DOMContentLoaded', function () { var checkoutButton \= document.getElementById('stripe-checkout-button'); checkoutButton.addEventListener('click', checkout); }) ```
3. Add a button with the ID `stripe-checkout-button` in your Rails view file where you want customers to initiate the checkout process:
```html Checkout ```
By following these steps, you will have successfully integrated the Stripe payment gateway into your Ruby on Rails application using the Lazy template. Customers can now click the "Checkout" button to initiate the payment process.
Template Benefits
-
Rapid Integration: This template allows businesses to quickly integrate Stripe's payment gateway into their Ruby on Rails applications, significantly reducing development time and costs.
-
Flexible Payment Options: The template supports both one-time payments and recurring subscriptions, giving businesses the flexibility to offer various pricing models to their customers.
-
Enhanced User Experience: By utilizing Stripe's embedded UI mode, the template provides a seamless and professional checkout experience, potentially increasing conversion rates.
-
Marketing Attribution: The inclusion of UTM parameters in the checkout process enables businesses to track the effectiveness of their marketing campaigns and optimize their customer acquisition strategies.
-
Scalability and Reliability: Leveraging Stripe's robust infrastructure and FastAPI's high-performance backend, this template provides a scalable and reliable payment solution that can grow with the business.
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