Feat: @medusajs/workflows (#4553)

feat: medusa workflows

packages/workflows/src/definition/create-products.ts

@@ -0,0 +1,56 @@
+import { InputAlias, Workflows } from "../definitions"
+import {
+  TransactionStepsDefinition,
+  WorkflowManager,
+} from "@medusajs/orchestration"
+import {
+  createProducts as createProductsHandler,
+  removeProducts,
+} from "../handlers"
+import { exportWorkflow, pipe } from "../helper"
+
+import { ProductTypes } from "@medusajs/types"
+
+enum Actions {
+  createProducts = "createProducts",
+}
+
+const workflowSteps: TransactionStepsDefinition = {
+  next: {
+    action: Actions.createProducts,
+  },
+}
+
+const handlers = new Map([
+  [
+    Actions.createProducts,
+    {
+      invoke: pipe(
+        {
+          inputAlias: InputAlias.Products,
+          invoke: {
+            from: InputAlias.Products,
+            alias: InputAlias.Products,
+          },
+        },
+        createProductsHandler
+      ),
+      compensate: pipe(
+        {
+          invoke: {
+            from: Actions.createProducts,
+            alias: InputAlias.Products,
+          },
+        },
+        removeProducts
+      ),
+    },
+  ],
+])
+
+WorkflowManager.register(Workflows.CreateProducts, workflowSteps, handlers)
+
+export const createProducts = exportWorkflow<
+  ProductTypes.CreateProductDTO[],
+  ProductTypes.ProductDTO[]
+>(Workflows.CreateProducts, Actions.createProducts)

packages/workflows/src/definition/index.ts

@@ -0,0 +1 @@
+export * from "./create-products"