feat: Add payment + promotion refreshing to cart workflows (#6654)

Add payment collection refreshing to:
- Add to cart
- Create cart
- Update line item in cart

Add promotion creation to:
- Create cart

packages/core-flows/src/definition/cart/workflows/add-to-cart.ts

@@ -16,11 +16,11 @@ import {
 import { refreshCartPromotionsStep } from "../steps/refresh-cart-promotions"
 import { updateTaxLinesStep } from "../steps/update-tax-lines"
 import { prepareLineItemData } from "../utils/prepare-line-item-data"
+import { refreshPaymentCollectionForCartStep } from "./refresh-payment-collection"
 
 // TODO: The AddToCartWorkflow are missing the following steps:
 // - Confirm inventory exists (inventory module)
 // - Refresh/delete shipping methods (fulfillment module)
-// - Update payment sessions (payment module)
 
 export const addToCartWorkflowId = "add-to-cart"
 export const addToCartWorkflow = createWorkflow(
@@ -96,6 +96,9 @@ export const addToCartWorkflow = createWorkflow(
     })
 
     refreshCartPromotionsStep({ id: input.cart.id })
+    refreshPaymentCollectionForCartStep({
+      cart_id: input.cart.id,
+    })
 
     return items
   }

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

@@ -14,14 +14,14 @@ import {
   getVariantsStep,
   validateVariantsExistStep,
 } from "../steps"
+import { refreshCartPromotionsStep } from "../steps/refresh-cart-promotions"
 import { updateTaxLinesStep } from "../steps/update-tax-lines"
 import { prepareLineItemData } from "../utils/prepare-line-item-data"
+import { refreshPaymentCollectionForCartStep } from "./refresh-payment-collection"
 
 // TODO: The UpdateLineItemsWorkflow are missing the following steps:
 // - Confirm inventory exists (inventory module)
 // - Refresh/delete shipping methods (fulfillment module)
-// - Refresh/create line item adjustments (promotion module)
-// - Update payment sessions (payment module)
 
 export const createCartWorkflowId = "create-cart"
 export const createCartWorkflow = createWorkflow(
@@ -134,7 +134,14 @@ export const createCartWorkflow = createWorkflow(
     const carts = createCartsStep([cartToCreate])
     const cart = transform({ carts }, (data) => data.carts?.[0])
 
+    refreshCartPromotionsStep({
+      id: cart.id,
+      promo_codes: input.promo_codes,
+    })
     updateTaxLinesStep({ cart_or_cart_id: cart.id })
+    refreshPaymentCollectionForCartStep({
+      cart_id: cart.id,
+    })
 
     return cart
   }

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

@@ -4,15 +4,15 @@ import {
   createWorkflow,
   transform,
 } from "@medusajs/workflows-sdk"
-import { getVariantPriceSetsStep } from ".."
 import { updateLineItemsStep } from "../../line-item/steps"
+import { getVariantPriceSetsStep } from "../steps"
 import { refreshCartPromotionsStep } from "../steps/refresh-cart-promotions"
+import { refreshPaymentCollectionForCartStep } from "./refresh-payment-collection"
 
 // TODO: The UpdateLineItemsWorkflow are missing the following steps:
 // - Confirm inventory exists (inventory module)
 // - Validate shipping methods for new items (fulfillment module)
 // - Refresh line item adjustments (promotion module)
-// - Update payment sessions (payment module)
 
 export const updateLineItemInCartWorkflowId = "update-line-item-in-cart"
 export const updateLineItemInCartWorkflow = createWorkflow(
@@ -57,6 +57,9 @@ export const updateLineItemInCartWorkflow = createWorkflow(
     })
 
     refreshCartPromotionsStep({ id: input.cart.id })
+    refreshPaymentCollectionForCartStep({
+      cart_id: input.cart.id,
+    })
 
     const updatedItem = transform({ result }, (data) => data.result?.[0])
 

packages/types/src/cart/workflows.ts

@@ -68,6 +68,7 @@ export interface CreateCartWorkflowInputDTO {
   metadata?: Record<string, unknown>
 
   items?: CreateCartCreateLineItemDTO[]
+  promo_codes?: string[]
 }
 
 export interface AddToCartWorkflowInputDTO {