feature: add create and update cart hooks (#8481)

packages/core/core-flows/src/definition/cart/workflows/create-carts.ts

@@ -1,8 +1,13 @@
-import { CartDTO, CreateCartWorkflowInputDTO } from "@medusajs/types"
+import {
+  AdditionalData,
+  CartDTO,
+  CreateCartWorkflowInputDTO,
+} from "@medusajs/types"
 import { MedusaError } from "@medusajs/utils"
 import {
   WorkflowData,
   WorkflowResponse,
+  createHook,
   createWorkflow,
   parallelize,
   transform,
@@ -29,9 +34,7 @@ import { refreshPaymentCollectionForCartWorkflow } from "./refresh-payment-colle
 export const createCartWorkflowId = "create-cart"
 export const createCartWorkflow = createWorkflow(
   createCartWorkflowId,
-  (
-    input: WorkflowData<CreateCartWorkflowInputDTO>
-  ): WorkflowResponse<CartDTO> => {
+  (input: WorkflowData<CreateCartWorkflowInputDTO & AdditionalData>) => {
     const variantIds = transform({ input }, (data) => {
       return (data.input.items ?? []).map((i) => i.variant_id)
     })
@@ -158,6 +161,13 @@ export const createCartWorkflow = createWorkflow(
       },
     })
 
-    return new WorkflowResponse(cart)
+    const cartCreated = createHook("cartCreated", {
+      cart,
+      additional_data: input.additional_data,
+    })
+
+    return new WorkflowResponse(cart, {
+      hooks: [cartCreated],
+    })
   }
 )

packages/core/core-flows/src/definition/cart/workflows/update-cart.ts

@@ -1,7 +1,9 @@
-import { UpdateCartWorkflowInputDTO } from "@medusajs/types"
+import { AdditionalData, UpdateCartWorkflowInputDTO } from "@medusajs/types"
 import { MedusaError, PromotionActions, isPresent } from "@medusajs/utils"
 import {
   WorkflowData,
+  WorkflowResponse,
+  createHook,
   createWorkflow,
   parallelize,
   transform,
@@ -22,7 +24,7 @@ import { refreshPaymentCollectionForCartWorkflow } from "./refresh-payment-colle
 export const updateCartWorkflowId = "update-cart"
 export const updateCartWorkflow = createWorkflow(
   updateCartWorkflowId,
-  (input: WorkflowData<UpdateCartWorkflowInputDTO>): WorkflowData<void> => {
+  (input: WorkflowData<UpdateCartWorkflowInputDTO & AdditionalData>) => {
     const [salesChannel, region, customerData] = parallelize(
       findSalesChannelStep({
         salesChannelId: input.sales_channel_id,
@@ -96,5 +98,14 @@ export const updateCartWorkflow = createWorkflow(
         cart_id: input.id,
       },
     })
+
+    const cartUpdated = createHook("cartUpdated", {
+      cart,
+      additional_data: input.additional_data,
+    })
+
+    return new WorkflowResponse(void 0, {
+      hooks: [cartUpdated],
+    })
   }
 )