优化下架和撤单功能

apps/backend/src/services/worker-platform/admin-service.ts

@@ -6,6 +6,7 @@ import {
   acceptWorkOrderAndSettle,
   addWorkerWalletCredit,
   assignWorkOrderToWorker,
+  cancelAssignedWorkOrder,
   unassignWorkOrder,
   countWorkerAcceptedOrders,
   countWorkerActiveOrders,
@@ -1240,6 +1241,42 @@ export async function unassignAdminWorkOrder(workOrderId: number | string) {
   return { order: mapWorkOrderAdmin(updated) }
 }
 
+export async function cancelAdminWorkOrder(workOrderId: number | string) {
+  const workOrder = await getRequiredWorkOrder(workOrderId)
+  if (
+    workOrder.status !== WORK_ORDER_STATUS.IN_PROGRESS ||
+    !workOrder.assigned_worker_id
+  ) {
+    throw createHttpError('只有代练中且已接单的订单可以撤单', {
+      statusCode: 409,
+      errorCode: 'work_order_cancel_status_invalid',
+    })
+  }
+  const { order: updated, failureReason } = await cancelAssignedWorkOrder({
+    workOrderId: workOrder.id,
+    now: nowIso(),
+  })
+  if (failureReason === 'work_order_not_in_progress') {
+    throw createHttpError('订单状态已变化，无法撤单', {
+      statusCode: 409,
+      errorCode: 'work_order_cancel_status_invalid',
+    })
+  }
+  if (failureReason === 'work_order_no_worker') {
+    throw createHttpError('该订单尚未被打手接取', {
+      statusCode: 409,
+      errorCode: 'work_order_cancel_no_worker',
+    })
+  }
+  if (!updated) {
+    throw createHttpError('撤单失败，订单状态可能已变化', {
+      statusCode: 409,
+      errorCode: 'work_order_cancel_conflict',
+    })
+  }
+  return { order: mapWorkOrderAdmin(updated) }
+}
+
 export async function getAdminWorkerPlatformSummary() {
   const [pendingWorkers, pendingMaterial, openOrders, inProgressOrders] = await Promise.all([
     listWorkerUsers({ page: 1, pageSize: 1, status: 'pending_review' }),