(feat): create aquilacms provider

(style): replace all bigcommerce name by aquilacms

framework/aquilacms/api/cart/handlers/add-item.ts

@@ -0,0 +1,45 @@
+import { parseCartItem } from '../../utils/parse-item'
+import getCartCookie from '../../utils/get-cart-cookie'
+import type { CartHandlers } from '..'
+
+const addItem: CartHandlers['addItem'] = async ({
+  res,
+  body: { cartId, item },
+  config,
+}) => {
+  if (!item) {
+    return res.status(400).json({
+      data: null,
+      errors: [{ message: 'Missing item' }],
+    })
+  }
+  if (!item.quantity) item.quantity = 1
+
+  const options = {
+    method: 'POST',
+    body: JSON.stringify({
+      line_items: [parseCartItem(item)],
+      ...(!cartId && config.storeChannelId
+        ? { channel_id: config.storeChannelId }
+        : {}),
+    }),
+  }
+  const { data } = cartId
+    ? await config.storeApiFetch(
+        `/v3/carts/${cartId}/items?include=line_items.physical_items.options`,
+        options
+      )
+    : await config.storeApiFetch(
+        '/v3/carts?include=line_items.physical_items.options',
+        options
+      )
+
+  // Create or update the cart cookie
+  res.setHeader(
+    'Set-Cookie',
+    getCartCookie(config.cartCookie, data.id, config.cartCookieMaxAge)
+  )
+  res.status(200).json({ data })
+}
+
+export default addItem