np-payment-sdk
Version:
Unified Payment SDK for Nepal (eSewa, Khalti, ConnectIPS, IME Pay, Mobile Banking)
224 lines (223 loc) • 7.85 kB
JavaScript
;
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if (k2 === undefined) k2 = k;
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}) : function(o, v) {
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var __importStar = (this && this.__importStar) || (function () {
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ownKeys = Object.getOwnPropertyNames || function (o) {
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__setModuleDefault(result, mod);
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};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.PayPalGateway = void 0;
const paypal = __importStar(require("@paypal/checkout-server-sdk"));
/**
* PayPal payment gateway implementation (real)
*/
class PayPalGateway {
constructor(config) {
this.config = config;
const env = config.environment === 'production'
? new paypal.LiveEnvironment(config.clientId, config.clientSecret)
: new paypal.SandboxEnvironment(config.clientId, config.clientSecret);
this.client = new paypal.PayPalHttpClient(env);
}
/**
* Initiate a payment (create order)
*/
async pay(params) {
try {
const request = new paypal.orders.OrdersCreateRequest();
request.prefer('return=representation');
request.requestBody({
intent: 'CAPTURE',
purchase_units: [{
amount: {
currency_code: params.currency,
value: params.amount.toString(),
},
}],
application_context: {
return_url: params.returnUrl,
cancel_url: params.cancelUrl || params.returnUrl,
},
});
const order = await this.client.execute(request);
if (order.result.status && (order.result.status === 'CREATED' || order.result.status === 'APPROVED')) {
return {
gateway: 'paypal',
status: 'success',
params: order.result,
message: 'PayPal order created',
};
}
else {
return {
gateway: 'paypal',
status: 'failure',
params: order.result,
message: 'PayPal order not created',
};
}
}
catch (err) {
if (err instanceof Error) {
return {
gateway: 'paypal',
status: 'failure',
params: { error: err.message },
message: err.message || 'PayPal payment failed',
};
}
return {
gateway: 'paypal',
status: 'failure',
params: {},
message: 'PayPal payment failed',
};
}
}
/**
* Verify a payment (get order)
*/
async verify(params) {
try {
const request = new paypal.orders.OrdersGetRequest(params.transactionId);
const order = await this.client.execute(request);
return {
gateway: 'paypal',
status: order.result.status === 'COMPLETED' ? 'success' : 'failure',
params: order.result,
message: 'PayPal order verification',
};
}
catch (err) {
if (err instanceof Error) {
return {
gateway: 'paypal',
status: 'failure',
params: { error: err.message },
message: err.message || 'PayPal verification failed',
};
}
return {
gateway: 'paypal',
status: 'failure',
params: {},
message: 'PayPal verification failed',
};
}
}
/**
* Refund a payment (capture refund)
*/
async refund(params) {
try {
// First, get the capture ID from the order
const orderRequest = new paypal.orders.OrdersGetRequest(params.transactionId);
const order = await this.client.execute(orderRequest);
const captureId = order.result.purchase_units[0].payments.captures[0].id;
const refundRequest = new paypal.payments.CapturesRefundRequest(captureId);
refundRequest.requestBody({
amount: {
value: params.amount.toString(),
currency_code: order.result.purchase_units[0].amount.currency_code,
},
});
const refund = await this.client.execute(refundRequest);
if (refund.result.status && refund.result.status === 'COMPLETED') {
return {
gateway: 'paypal',
status: 'success',
params: refund.result,
message: 'PayPal refund processed',
};
}
else {
return {
gateway: 'paypal',
status: 'failure',
params: refund.result,
message: 'PayPal refund not completed',
};
}
}
catch (err) {
if (err instanceof Error) {
return {
gateway: 'paypal',
status: 'failure',
params: { error: err.message },
message: err.message || 'PayPal refund failed',
};
}
return {
gateway: 'paypal',
status: 'failure',
params: {},
message: 'PayPal refund failed',
};
}
}
/**
* Create a subscription (not implemented)
*/
// eslint-disable-next-line @typescript-eslint/no-unused-vars
async subscribe(_params) {
return {
gateway: 'paypal',
status: 'cancelled',
params: {},
message: 'Paypal subscription not implemented',
};
}
/**
* Create an invoice (not implemented)
*/
// eslint-disable-next-line @typescript-eslint/no-unused-vars
async createInvoice(_params) {
return {
gateway: 'paypal',
status: 'cancelled',
params: {},
message: 'Paypal invoice not implemented',
};
}
/**
* Wallet operations (not supported)
*/
// eslint-disable-next-line @typescript-eslint/no-unused-vars
async wallet(_params) {
return {
gateway: 'paypal',
status: 'failure',
params: {},
message: 'Paypal does not support wallet operations',
};
}
}
exports.PayPalGateway = PayPalGateway;