initial provider (#2)

framework/medusa/api/operations/get-product.ts

@@ -0,0 +1,46 @@
+import { Product } from '@commerce/types/product'
+import { GetProductOperation } from '@commerce/types/product'
+import type { OperationContext } from '@commerce/api/operations'
+import { Product as MedusaProduct } from '@medusajs/medusa-js/lib/types'
+import { normalizeProduct } from '@framework/utils/normalizers/normalize-products'
+import { MedusaConfig } from '..'
+
+export default function getProductOperation({
+  commerce,
+}: OperationContext<any>) {
+  async function getProduct<T extends GetProductOperation>({
+    variables,
+    config: cfg,
+  }: {
+    query?: string
+    variables?: T['variables']
+    config?: Partial<MedusaConfig>
+    preview?: boolean
+  } = {}): Promise<Product | {} | any> {
+    const config = commerce.getConfig(cfg)
+
+    const response = await config.fetch('products', 'list', {})
+
+    if (response.data?.products) {
+      const products: MedusaProduct[] = response.data.products
+      const product = products
+        ? products.find(({ handle }) => handle === variables!.slug)
+        : null
+
+      /**
+       * Commerce only provides us with the slug/path for finding
+       * the specified product. We do not have a endpoint for retrieving
+       * products using handles. Perhaps we should ask Vercel if we can
+       * change this so the variables also expose the product_id, which
+       * we can use for retrieving products.
+       */
+      if (product) {
+        return {
+          product: normalizeProduct(product),
+        }
+      }
+    }
+  }
+
+  return getProduct
+}