Implement cart

framework/ordercloud/api/endpoints/cart/update-item.ts

@@ -0,0 +1,52 @@
+import type { OrdercloudLineItem } from '../../../types/cart'
+import type { RawVariant } from '../../../types/product'
+import type { CartEndpoint } from '.'
+
+import { formatCart } from '../../utils/cart'
+
+const updateItem: CartEndpoint['handlers']['updateItem'] = async ({
+  res,
+  body: { cartId, itemId, item },
+  config: { fetch },
+}) => {
+  if (!cartId || !itemId || !item) {
+    return res.status(400).json({
+      data: null,
+      errors: [{ message: 'Invalid request' }],
+    })
+  }
+
+  // Store specs
+  let specs: RawVariant['Specs'] = []
+
+  // If a variant is present, fetch its specs
+  if (item.variantId) {
+    specs = await fetch(
+      'GET',
+      `/me/products/${item.productId}/variants/${item.variantId}`
+    ).then((res: RawVariant) => res.Specs)
+  }
+
+  // Add the item to the order
+  await fetch('PATCH', `/orders/Outgoing/${cartId}/lineitems/${itemId}`, {
+    ProductID: item.productId,
+    Quantity: item.quantity,
+    Specs: specs,
+  })
+
+  // Get cart
+  const [cart, lineItems] = await Promise.all([
+    fetch('GET', `/orders/Outgoing/${cartId}`),
+    fetch('GET', `/orders/Outgoing/${cartId}/lineitems`).then(
+      (response: { Items: OrdercloudLineItem[] }) => response.Items
+    ),
+  ])
+
+  // Format cart
+  const formattedCart = formatCart(cart, lineItems)
+
+  // Return cart and errors
+  res.status(200).json({ data: formattedCart, errors: [] })
+}
+
+export default updateItem