@stylusapparel/opv3-merchant-api-nodejs/example/fetch_orders.js

This is the official NodeJs wrapper for connecting to the StylusOP API V3

const stylusWrapper = require('../index.js');
const { MERCHANT_ID, MERCHANT_NAME, MERCHANT_SECRET, LIMIT_ORDERS } = require('./constants');

const stylusClient = stylusWrapper.createClient(MERCHANT_ID, MERCHANT_SECRET, {
	merchantName: MERCHANT_NAME, // Replace with your merchant name / ID
	sandbox: true,
	apiVersion: 'v3',
	tokenType: 'basic',
});

stylusClient
	.oauthToken()
	.then((accessToken) => {
		console.log(`Access token: ${accessToken}`);
	})
	.catch((error) => {
		console.error('Error getting the access token: ', error);
		handleError(error);
	})
	.then(fetchOrders)
	.then((orders) => {
		console.log('Retrieved all orders: ', orders);
	})
	.catch((error) => {
		console.error('Error fetching orders: ', error);
		handleError(error);
	});


/**
 * Example of how to fetch orders with pagination
 * @param {*} startOffset 
 * @returns 
 */
async function fetchOrders(startOffset = 0) {
	const allOrders = [];
	let currentOffset = startOffset;

	try {
		while (true) {
			const ordersResponse = await stylusClient.orders.list({
				limit: LIMIT_ORDERS,
				offset: currentOffset,
			});

			console.log(`Retrieved ${ordersResponse.orders.length} orders (offset: ${currentOffset})`);
			console.log(ordersResponse.orders.map((order) => `ID: ${order.orderKey} - Customer: ${order.shippingInfo.shipTo.name} - Status: "${order.status}"`).join('\n'));
			allOrders.push(...ordersResponse.orders);

			// If there are no more orders, break the loop
			if (!ordersResponse.page.hasMore) {
				break;
			}

			// Sleep for 5 seconds before fetching the next page
			await new Promise((resolve) => setTimeout(resolve, 5000));
			currentOffset += LIMIT_ORDERS;
		}

		return allOrders;
	} catch (error) {
		console.error(`Error fetching orders at offset ${currentOffset}:`, error);
		throw error;
	}
}

// Error handler //
function handleError(err) {
	// Handle error //
	if (err.status === 403 || err.status === 401 || err.errorCode === 'TOKEN_INVALID') {
		// Unauthorized
		console.error(`Error!\n(${err.errorCode}) ${err.message} ${JSON.stringify(err.rawError)}`);
	} else {
		// Other error
		console.error(`Error!\n(${err.errorCode}) ${err.message}`);
	}
	process.exit(1);
}