Initial: pi-skill — 68 skills, 43 extensions, 11 themes for Pi
This commit is contained in:
Kunthawat Greethong
294
skills/scripts/templates/src/lib/stripe.ts
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294
skills/scripts/templates/src/lib/stripe.ts
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/**
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* Stripe Payment Integration
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*
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* Supports:
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* - Payment Intents (Cards, etc.)
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* - Webhook handling
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* - Refunds
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*/
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import Stripe from 'stripe';
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// Initialize Stripe client
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const stripeSecretKey = import.meta.env.STRIPE_SECRET_KEY;
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export const stripe = new Stripe(stripeSecretKey || 'sk_test_placeholder', {
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apiVersion: '2025-01-27.acacia' as any,
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});
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// ============================================
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// Types
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// ============================================
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export interface CreatePaymentIntentParams {
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amount: number; // in satang (THB = 100 satang)
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currency?: string;
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metadata?: Record<string, string>;
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customerId?: string;
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description?: string;
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}
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export interface PaymentIntentResult {
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clientSecret: string;
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paymentIntentId: string;
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}
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// ============================================
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// Payment Intents
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// ============================================
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/**
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* Create a payment intent for checkout
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* Amount should be in satang (baht * 100)
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*/
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export async function createPaymentIntent(
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params: CreatePaymentIntentParams
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): Promise<PaymentIntentResult> {
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const {
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amount,
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currency = 'thb',
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metadata = {},
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customerId,
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description,
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} = params;
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const paymentIntent = await stripe.paymentIntents.create({
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amount,
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currency,
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automatic_payment_methods: { enabled: true },
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metadata,
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...(customerId && { customer: customerId }),
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...(description && { description }),
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});
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if (!paymentIntent.client_secret) {
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throw new Error('Failed to create payment intent');
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}
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return {
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clientSecret: paymentIntent.client_secret,
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paymentIntentId: paymentIntent.id,
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};
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}
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/**
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* Retrieve a payment intent
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*/
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export async function getPaymentIntent(paymentIntentId: string) {
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return stripe.paymentIntents.retrieve(paymentIntentId);
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}
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/**
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* Confirm a payment intent
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*/
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export async function confirmPaymentIntent(
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paymentIntentId: string,
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paymentMethodId: string
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) {
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return stripe.paymentIntents.confirm(paymentIntentId, {
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payment_method: paymentMethodId,
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});
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}
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/**
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* Cancel a payment intent
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*/
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export async function cancelPaymentIntent(paymentIntentId: string) {
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return stripe.paymentIntents.cancel(paymentIntentId);
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}
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// ============================================
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// Webhooks
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// ============================================
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/**
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* Construct and verify webhook event
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*/
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export async function constructWebhookEvent(
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payload: string | Buffer,
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signature: string
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) {
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const webhookSecret = import.meta.env.STRIPE_WEBHOOK_SECRET;
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if (!webhookSecret) {
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throw new Error('STRIPE_WEBHOOK_SECRET not configured');
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}
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return stripe.webhooks.constructEvent(payload, signature, webhookSecret);
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}
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/**
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* Parse webhook event safely
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*/
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export async function handleWebhook(
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payload: string | Buffer,
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signature: string,
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handlers: {
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onPaymentIntentSucceeded?: (intent: Stripe.PaymentIntent) => Promise<void>;
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onPaymentIntentFailed?: (intent: Stripe.PaymentIntent) => Promise<void>;
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onPaymentIntentProcessing?: (intent: Stripe.PaymentIntent) => Promise<void>;
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}
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) {
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const event = await constructWebhookEvent(payload, signature);
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switch (event.type) {
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case 'payment_intent.succeeded':
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if (handlers.onPaymentIntentSucceeded) {
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await handlers.onPaymentIntentSucceeded(event.data.object as Stripe.PaymentIntent);
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}
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break;
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case 'payment_intent.payment_failed':
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if (handlers.onPaymentIntentFailed) {
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await handlers.onPaymentIntentFailed(event.data.object as Stripe.PaymentIntent);
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}
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break;
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case 'payment_intent.processing':
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if (handlers.onPaymentIntentProcessing) {
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await handlers.onPaymentIntentProcessing(event.data.object as Stripe.PaymentIntent);
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}
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break;
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default:
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console.log(`Unhandled webhook event type: ${event.type}`);
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}
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return event;
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}
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// ============================================
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// Customers
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// ============================================
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/**
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* Create a Stripe customer
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*/
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export async function createCustomer(params: {
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email: string;
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name?: string;
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metadata?: Record<string, string>;
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}) {
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return stripe.customers.create({
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email: params.email,
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name: params.name,
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metadata: params.metadata,
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});
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}
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/**
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* Get customer by ID
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*/
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export async function getCustomer(customerId: string) {
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return stripe.customers.retrieve(customerId);
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}
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/**
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* Update customer
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*/
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export async function updateCustomer(
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customerId: string,
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params: {
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email?: string;
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name?: string;
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metadata?: Record<string, string>;
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}
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) {
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return stripe.customers.update(customerId, params);
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}
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// ============================================
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// Refunds
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// ============================================
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/**
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* Create a refund
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*/
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export async function createRefund(params: {
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paymentIntentId: string;
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amount?: number; // partial refund amount in satang
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reason?: 'duplicate' | 'fraudulent' | 'requested_by_customer';
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}) {
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return stripe.refunds.create({
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payment_intent: params.paymentIntentId,
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amount: params.amount,
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reason: params.reason,
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});
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}
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/**
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* Get refund status
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*/
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export async function getRefund(refundId: string) {
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return stripe.refunds.retrieve(refundId);
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}
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// ============================================
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// Checkout Sessions
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// ============================================
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/**
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* Create a checkout session for hosted checkout
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*/
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export async function createCheckoutSession(params: {
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lineItems: Array<{
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price_data?: {
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currency: string;
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product_data: { name: string; description?: string; images?: string[] };
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unit_amount: number;
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};
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price?: string;
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quantity: number;
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}>;
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successUrl: string;
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cancelUrl: string;
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customerEmail?: string;
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metadata?: Record<string, string>;
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mode?: 'payment' | 'subscription';
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}) {
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return stripe.checkout.sessions.create({
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mode: params.mode || 'payment',
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line_items: params.lineItems,
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success_url: params.successUrl,
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cancel_url: params.cancelUrl,
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customer_email: params.customerEmail,
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metadata: params.metadata,
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});
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}
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// ============================================
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// Helpers
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// ============================================
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/**
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* Convert baht to satang (THB * 100)
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*/
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export function bahtToSatang(amount: number): number {
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return Math.round(amount * 100);
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}
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/**
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* Convert satang to baht
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*/
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export function satangToBaht(amount: number): number {
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return amount / 100;
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}
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/**
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* Format amount for Stripe (in smallest currency unit)
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*/
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export function formatAmount(amount: number, currency = 'thb'): number {
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// For THB, no decimal places
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if (currency.toLowerCase() === 'thb') {
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return Math.round(amount);
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}
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// For others, convert to cents
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return Math.round(amount * 100);
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}
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/**
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* Check if Stripe is configured
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*/
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export function isStripeConfigured(): boolean {
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return !!stripeSecretKey && !stripeSecretKey.includes('placeholder');
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}
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