app.py

import os

import streamlit as st
import stripe
import requests
import time

# Set your secret key. Remember to switch to your live secret key in production!
stripe.api_key = os.environ["STRIPE_API_KEY"]

# Set the product id. 
stripe_product_id = os.environ["STRIPE_PRODUCT_ID"]

# Function to create a Stripe Checkout Session
def create_checkout_session():
    try:
        session = stripe.checkout.Session.create(
            payment_method_types=['card'],
            line_items=[{
                'price': stripe_product_id,  # Replace with your actual Stripe price ID
                'quantity': 1,
            }],
            mode='payment',
            success_url='https://your-website.com/success?session_id={CHECKOUT_SESSION_ID}',
            cancel_url='https://your-website.com/cancel',
        )
        return session.id, session.url
    except Exception as e:
        st.error(f"Error creating checkout session: {e}")
        return None, None

# Function to check payment status
def check_payment_status(session_id):
    try:
        session = stripe.checkout.Session.retrieve(session_id)
        return session.payment_status == 'paid'
    except Exception as e:
        st.error(f"Error checking payment status: {e}")
        return False

# Streamlit app
st.title("Stripe Payment Integration")

if 'session_id' not in st.session_state:
    st.session_state.session_id = None

def list_prices_for_product(product_id):
    try:
        prices = stripe.Price.list(product=product_id)
        return prices
    except Exception as e:
        print(f"Error listing prices: {e}")
        return None

# Example usage
product_id = 'your-product-id'  # Replace with your actual Product ID
prices = list_prices_for_product(product_id)

if prices:
    for price in prices.data:
        print(f"Price ID: {price.id}, Amount: {price.unit_amount}, Currency: {price.currency}")

# Button to redirect to Stripe Checkout
if st.button("Create Checkout Session"):
    session_id, checkout_url = create_checkout_session()
    if session_id and checkout_url:
        st.session_state.session_id = session_id
        st.write(f"Checkout URL: {checkout_url}")
        st.markdown(f"[Proceed to Checkout]({checkout_url})", unsafe_allow_html=True)

# Input for session ID to check payment status
if st.session_state.session_id:
    st.write(f"Your session ID: {st.session_state.session_id}")
    if st.button("Check Payment Status"):
        st.write("Checking payment status, please wait...")
        time.sleep(2)  # Simulating delay for payment processing

        if check_payment_status(st.session_state.session_id):
            st.success("Payment successful!")
            st.write("Here's the paid content.")
        else:
            st.error("Payment not completed yet. Please try again.")
else:
    st.info("Create a checkout session to get the session ID.")