chore: use product variant workflow in product create workflow (#7548)

what:

- reuses the product variant create workflow inside product create workflow

packages/core/core-flows/src/product/workflows/create-product-variants.ts

@@ -1,14 +1,12 @@
-import { ProductTypes, PricingTypes } from "@medusajs/types"
+import { PricingTypes, ProductTypes } from "@medusajs/types"
 import {
   WorkflowData,
   createWorkflow,
   transform,
 } from "@medusajs/workflows-sdk"
-import {
-  createProductVariantsStep,
-  createVariantPricingLinkStep,
-} from "../steps"
 import { createPriceSetsStep } from "../../pricing"
+import { createProductVariantsStep } from "../steps/create-product-variants"
+import { createVariantPricingLinkStep } from "../steps/create-variant-pricing-link"
 
 // TODO: Create separate typings for the workflow input
 type WorkflowInput = {

packages/core/core-flows/src/product/workflows/create-products.ts

@@ -1,14 +1,17 @@
-import { ProductTypes } from "@medusajs/types"
+import {
+  CreateProductWorkflowInputDTO,
+  PricingTypes,
+  ProductTypes,
+} from "@medusajs/types"
+import { isPresent } from "@medusajs/utils"
 import {
   WorkflowData,
   createWorkflow,
   transform,
 } from "@medusajs/workflows-sdk"
-import { createProductsStep } from "../steps/create-products"
-import { createVariantPricingLinkStep } from "../steps/create-variant-pricing-link"
-import { createPriceSetsStep } from "../../pricing"
 import { associateProductsWithSalesChannelsStep } from "../../sales-channel"
-import { CreateProductWorkflowInputDTO } from "@medusajs/types"
+import { createProductsStep } from "../steps/create-products"
+import { createProductVariantsWorkflow } from "./create-product-variants"
 
 type WorkflowInput = {
   products: CreateProductWorkflowInputDTO[]
@@ -25,10 +28,7 @@ export const createProductsWorkflow = createWorkflow(
       data.input.products.map((p) => ({
         ...p,
         sales_channels: undefined,
-        variants: p.variants?.map((v) => ({
-          ...v,
-          prices: undefined,
-        })),
+        variants: undefined,
       }))
     )
 
@@ -50,52 +50,30 @@ export const createProductsWorkflow = createWorkflow(
 
     associateProductsWithSalesChannelsStep({ links: salesChannelLinks })
 
-    // Note: We rely on the same order of input and output when creating products here, ensure this always holds true
-    const variantsWithAssociatedPrices = transform(
-      { input, createdProducts },
-      (data) => {
-        return data.createdProducts
-          .map((p, i) => {
-            const inputProduct = data.input.products[i]
-            return p.variants?.map((v, j) => ({
-              ...v,
-              prices: inputProduct?.variants?.[j]?.prices ?? [],
-            }))
-          })
-          .flat()
-      }
-    )
+    const variantsInput = transform({ input, createdProducts }, (data) => {
+      // TODO: Move this to a unified place for all product workflow types
+      const productVariants: (ProductTypes.CreateProductVariantDTO & {
+        prices?: PricingTypes.CreateMoneyAmountDTO[]
+      })[] = []
 
-    const pricesToCreate = transform({ variantsWithAssociatedPrices }, (data) =>
-      data.variantsWithAssociatedPrices.map((v) => ({
-        prices: v.prices ?? [],
-      }))
-    )
+      data.createdProducts.forEach((product, i) => {
+        const inputProduct = data.input.products[i]
 
-    const createdPriceSets = createPriceSetsStep(pricesToCreate)
-
-    const variantAndPriceSets = transform(
-      { variantsWithAssociatedPrices, createdPriceSets },
-      (data) =>
-        data.variantsWithAssociatedPrices.map((variant, i) => ({
-          variant: variant,
-          price_set: data.createdPriceSets[i],
-        }))
-    )
-
-    const variantAndPriceSetLinks = transform(
-      { variantAndPriceSets },
-      (data) => {
-        return {
-          links: data.variantAndPriceSets.map((entry) => ({
-            variant_id: entry.variant.id,
-            price_set_id: entry.price_set.id,
-          })),
+        for (const inputVariant of inputProduct.variants || []) {
+          isPresent(inputVariant) &&
+            productVariants.push({
+              product_id: product.id,
+              ...inputVariant,
+            })
         }
-      }
-    )
+      })
 
-    createVariantPricingLinkStep(variantAndPriceSetLinks)
+      return {
+        input: { product_variants: productVariants },
+      }
+    })
+
+    createProductVariantsWorkflow.runAsStep(variantsInput)
 
     return createdProducts
   }