feat(order,core-flows): added order change create workflow (#8033)

what:

- adds anorder change create workflow
- remove order change service, brings validation to entry point service

packages/core/core-flows/src/order/steps/create-order-change.ts

@@ -0,0 +1,28 @@
+import { CreateOrderChangeDTO, IOrderModuleService } from "@medusajs/types"
+import { ModuleRegistrationName } from "@medusajs/utils"
+import { StepResponse, createStep } from "@medusajs/workflows-sdk"
+
+export const createOrderChangeStepId = "create-order-change"
+export const createOrderChangeStep = createStep(
+  createOrderChangeStepId,
+  async (data: CreateOrderChangeDTO, { container }) => {
+    const service = container.resolve<IOrderModuleService>(
+      ModuleRegistrationName.ORDER
+    )
+
+    const created = await service.createOrderChange(data)
+
+    return new StepResponse(created, created.id)
+  },
+  async (id, { container }) => {
+    if (!id) {
+      return
+    }
+
+    const service = container.resolve<IOrderModuleService>(
+      ModuleRegistrationName.ORDER
+    )
+
+    await service.deleteOrderChanges(id)
+  }
+)

packages/core/core-flows/src/order/steps/index.ts

@@ -4,6 +4,7 @@ export * from "./cancel-exchange"
 export * from "./cancel-orders"
 export * from "./cancel-return"
 export * from "./complete-orders"
+export * from "./create-order-change"
 export * from "./create-orders"
 export * from "./get-item-tax-lines"
 export * from "./register-fulfillment"

packages/core/core-flows/src/order/workflows/create-order-change.ts

@@ -0,0 +1,11 @@
+import { CreateOrderChangeDTO, OrderChangeDTO } from "@medusajs/types"
+import { WorkflowData, createWorkflow } from "@medusajs/workflows-sdk"
+import { createOrderChangeStep } from "../steps"
+
+export const createOrderChangeWorkflowId = "create-order-change"
+export const createOrderChangeWorkflow = createWorkflow(
+  createOrderChangeWorkflowId,
+  (input: WorkflowData<CreateOrderChangeDTO>): WorkflowData<OrderChangeDTO> => {
+    return createOrderChangeStep(input)
+  }
+)

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

@@ -4,6 +4,7 @@ export * from "./cancel-order-fulfillment"
 export * from "./cancel-return"
 export * from "./complete-orders"
 export * from "./create-fulfillment"
+export * from "./create-order-change"
 export * from "./create-orders"
 export * from "./create-return"
 export * from "./create-shipment"