Move API to new Node architecture

Signed-off-by: Loan Laux <loan@outgrow.io>

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

@@ -0,0 +1,69 @@
+import { Product } from '@commerce/types/product'
+import { OperationContext } from '@commerce/api/operations'
+import { Provider, VendureConfig } from '../'
+import { GetProductQuery } from '../../schema'
+import { getProductQuery } from '../../utils/queries/get-product-query'
+
+export default function getProductOperation({
+  commerce,
+}: OperationContext<Provider>) {
+  async function getProduct({
+    query = getProductQuery,
+    variables,
+    config: cfg,
+  }: {
+    query?: string
+    variables: { slug: string }
+    config?: Partial<VendureConfig>
+    preview?: boolean
+  }): Promise<Product | {} | any> {
+    const config = commerce.getConfig(cfg)
+
+    const locale = config.locale
+    const { data } = await config.fetch<GetProductQuery>(query, { variables })
+    const product = data.product
+
+    if (product) {
+      const getOptionGroupName = (id: string): string => {
+        return product.optionGroups.find((og) => og.id === id)!.name
+      }
+      return {
+        product: {
+          id: product.id,
+          name: product.name,
+          description: product.description,
+          slug: product.slug,
+          images: product.assets.map((a) => ({
+            url: a.preview,
+            alt: a.name,
+          })),
+          variants: product.variants.map((v) => ({
+            id: v.id,
+            options: v.options.map((o) => ({
+              // This __typename property is required in order for the correct
+              // variant selection to work, see `components/product/helpers.ts`
+              // `getVariant()` function.
+              __typename: 'MultipleChoiceOption',
+              id: o.id,
+              displayName: getOptionGroupName(o.groupId),
+              values: [{ label: o.name }],
+            })),
+          })),
+          price: {
+            value: product.variants[0].priceWithTax / 100,
+            currencyCode: product.variants[0].currencyCode,
+          },
+          options: product.optionGroups.map((og) => ({
+            id: og.id,
+            displayName: og.name,
+            values: og.options.map((o) => ({ label: o.name })),
+          })),
+        } as Product,
+      }
+    }
+
+    return {}
+  }
+
+  return getProduct
+}