test commit

shared/constants/order-status.js

@@ -8,3 +8,31 @@ export const ORDER_STATUSES = Object.freeze([
   'DONE',
   'CANCELLED',
 ])
+
+/**
+ * Допустимые переходы статусов, доступные админу.
+ * Значение — массив из next-статусов.
+ * Для IN_PROGRESS: объект с ключами по deliveryType.
+ */
+export const ADMIN_ORDER_TRANSITIONS = Object.freeze({
+  DRAFT: ['PENDING_PAYMENT', 'CANCELLED'],
+  PENDING_PAYMENT: ['PAID', 'CANCELLED'],
+  PAID: ['IN_PROGRESS', 'CANCELLED'],
+  IN_PROGRESS: Object.freeze({
+    delivery: ['SHIPPED', 'CANCELLED'],
+    pickup: ['READY_FOR_PICKUP', 'CANCELLED'],
+  }),
+})
+
+export function getNextAdminStatuses(from, deliveryType) {
+  const transition = ADMIN_ORDER_TRANSITIONS[from]
+  if (!transition) return []
+  if (Array.isArray(transition)) return [...transition]
+  return transition[deliveryType] ? [...transition[deliveryType]] : []
+}
+
+export function canTransitionAdminOrderStatus(order, next) {
+  const from = order.status
+  if (from === next) return true
+  return getNextAdminStatuses(from, order.deliveryType).includes(next)
+}