feat(core-flows,types,cart): add credit lines to cart (#11419)

* feat(core-flows,types,cart): add credit lines to cart

* chore: fix specs

* chore: credit lines hook

* chore: update types

* chore: added credit line totals

* chore: add totals fields to query config

* chore: add complete cart hook

* chore: add credit lines creation to order

* chore: pr ready for review

* chore: fix tests

* Apply suggestions from code review

* chore: fix types

* chore: adjust summary calculations with new totals

packages/core/core-flows/src/cart/utils/fields.ts

@@ -95,6 +95,7 @@ export const completeCartFields = [
   "shipping_address.*",
   "billing_address.*",
   "region.*",
+  "credit_lines.*",
   "payment_collection.*",
   "payment_collection.payment_sessions.*",
   "items.variant.id",

packages/core/core-flows/src/cart/workflows/complete-cart.ts

@@ -1,4 +1,5 @@
 import {
+  CartCreditLineDTO,
   CartWorkflowDTO,
   UsageComputedActions,
 } from "@medusajs/framework/types"
@@ -210,6 +211,18 @@ export const completeCartWorkflow = createWorkflow(
           .map((adjustment) => adjustment.code)
           .filter(Boolean)
 
+        const creditLines = (cart.credit_lines ?? []).map(
+          (creditLine: CartCreditLineDTO) => {
+            return {
+              amount: creditLine.amount,
+              raw_amount: creditLine.raw_amount,
+              reference: creditLine.reference,
+              reference_id: creditLine.reference_id,
+              metadata: creditLine.metadata,
+            }
+          }
+        )
+
         return {
           region_id: cart.region?.id,
           customer_id: cart.customer?.id,
@@ -222,6 +235,7 @@ export const completeCartWorkflow = createWorkflow(
           no_notification: false,
           items: allItems,
           shipping_methods: shippingMethods,
+          credit_lines: creditLines,
           metadata: cart.metadata,
           promo_codes: promoCodes,
           transactions,

packages/core/core-flows/src/cart/workflows/create-cart-credit-lines.ts

@@ -0,0 +1,28 @@
+import {
+  CartCreditLineDTO,
+  CreateCartCreditLineDTO,
+} from "@medusajs/framework/types"
+import { Modules } from "@medusajs/framework/utils"
+import {
+  WorkflowData,
+  WorkflowResponse,
+  createWorkflow,
+} from "@medusajs/framework/workflows-sdk"
+import { createEntitiesStep } from "../../common/steps/create-entities"
+
+export const createCartCreditLinesWorkflowId = "create-cart-credit-lines"
+export const createCartCreditLinesWorkflow = createWorkflow(
+  createCartCreditLinesWorkflowId,
+  (
+    input: WorkflowData<CreateCartCreditLineDTO[]>
+  ): WorkflowResponse<CartCreditLineDTO[]> => {
+    const creditLines = createEntitiesStep({
+      moduleRegistrationName: Modules.CART,
+      invokeMethod: "createCreditLines",
+      compensateMethod: "deleteCreditLines",
+      data: input,
+    })
+
+    return new WorkflowResponse(creditLines)
+  }
+)

packages/core/core-flows/src/cart/workflows/delete-cart-credit-lines.ts

@@ -0,0 +1,22 @@
+import { Modules } from "@medusajs/framework/utils"
+import {
+  WorkflowData,
+  WorkflowResponse,
+  createWorkflow,
+} from "@medusajs/framework/workflows-sdk"
+import { deleteEntitiesStep } from "../../common/steps/delete-entities"
+
+export const deleteCartCreditLinesWorkflowId = "delete-cart-credit-lines"
+export const deleteCartCreditLinesWorkflow = createWorkflow(
+  deleteCartCreditLinesWorkflowId,
+  (input: WorkflowData<{ id: string[] }>) => {
+    deleteEntitiesStep({
+      moduleRegistrationName: Modules.CART,
+      invokeMethod: "softDeleteCreditLines",
+      compensateMethod: "restoreCreditLines",
+      data: input.id,
+    })
+
+    return new WorkflowResponse(void 0)
+  }
+)

packages/core/core-flows/src/cart/workflows/index.ts

@@ -2,13 +2,15 @@ export * from "./add-shipping-method-to-cart"
 export * from "./add-to-cart"
 export * from "./complete-cart"
 export * from "./confirm-variant-inventory"
+export * from "./create-cart-credit-lines"
 export * from "./create-carts"
 export * from "./create-payment-collection-for-cart"
+export * from "./delete-cart-credit-lines"
 export * from "./list-shipping-options-for-cart"
 export * from "./list-shipping-options-for-cart-with-pricing"
-export * from "./refresh-payment-collection"
 export * from "./refresh-cart-items"
 export * from "./refresh-cart-shipping-methods"
+export * from "./refresh-payment-collection"
 export * from "./transfer-cart-customer"
 export * from "./update-cart"
 export * from "./update-cart-promotions"