fix(core-flows): conditionally create, update or delete products when input is present (#11758)

what:

- runs create / update /delete workflows for bulk workflow conditionally

FIXES https://github.com/medusajs/medusa/issues/11749
depends on https://github.com/medusajs/medusa/pull/11756

integration-tests/http/__tests__/product/admin/product.spec.ts

@@ -3100,6 +3100,25 @@ medusaIntegrationTestRunner({
           )
         })
 
+        it("should successfully delete products", async () => {
+          const response = await api.post(
+            "/admin/products/batch",
+            { delete: [baseProduct.id] },
+            adminHeaders
+          )
+
+          expect(response.status).toEqual(200)
+          expect(response.data.created).toHaveLength(0)
+          expect(response.data.updated).toHaveLength(0)
+          expect(response.data.deleted.ids).toHaveLength(1)
+
+          expect(response.data.created).toEqual([])
+          expect(response.data.updated).toEqual([])
+          expect(response.data.deleted).toEqual(
+            expect.objectContaining({ ids: [baseProduct.id] })
+          )
+        })
+
         it("successfully creates, updates, and deletes product variants", async () => {
           const productWithMultipleVariants = getProductFixture({
             title: "Test batch variants",

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

@@ -11,6 +11,7 @@ import {
   createWorkflow,
   parallelize,
   transform,
+  when,
 } from "@medusajs/framework/workflows-sdk"
 import { createProductsWorkflow } from "./create-products"
 import { deleteProductsWorkflow } from "./delete-products"
@@ -25,6 +26,22 @@ export interface BatchProductWorkflowInput
     UpdateProductWorkflowInputDTO
   > {}
 
+const conditionallyCreateProducts = (input: BatchProductWorkflowInput) =>
+  when({ input }, ({ input }) => !!input.create?.length).then(() =>
+    createProductsWorkflow.runAsStep({ input: { products: input.create! } })
+  )
+
+const conditionallyUpdateProducts = (input: BatchProductWorkflowInput) =>
+  when({ input }, ({ input }) => !!input.update?.length).then(() =>
+    updateProductsWorkflow.runAsStep({ input: { products: input.update! } })
+  )
+
+const conditionallyDeleteProducts = (input: BatchProductWorkflowInput) =>
+  when({ input }, ({ input }) => !!input.delete?.length).then(() =>
+    deleteProductsWorkflow.runAsStep({ input: { ids: input.delete! } })
+  )
+
+
 export const batchProductsWorkflowId = "batch-products"
 /**
  * This workflow creates, updates, or deletes products. It's used by the
@@ -82,22 +99,16 @@ export const batchProductsWorkflow = createWorkflow(
     input: WorkflowData<BatchProductWorkflowInput>
   ): WorkflowResponse<BatchWorkflowOutput<ProductTypes.ProductDTO>> => {
     const res = parallelize(
-      createProductsWorkflow.runAsStep({
-        input: { products: input.create ?? [] },
-      }),
-      updateProductsWorkflow.runAsStep({
-        input: { products: input.update ?? [] },
-      }),
-      deleteProductsWorkflow.runAsStep({
-        input: { ids: input.delete ?? [] },
-      })
+      conditionallyCreateProducts(input),
+      conditionallyUpdateProducts(input),
+      conditionallyDeleteProducts(input)
     )
 
     return new WorkflowResponse(
       transform({ res, input }, (data) => {
         return {
-          created: data.res[0],
-          updated: data.res[1],
+          created: data.res[0] ?? [],
+          updated: data.res[1] ?? [],
           deleted: data.input.delete ?? [],
         }
       })