initial: server + shared

2026-06-11 13:41:38 +05:00
commit 65da047e7c
148 changed files with 15900 additions and 0 deletions
@@ -0,0 +1,38 @@
+export const ORDER_STATUSES = Object.freeze([
+  "DRAFT",
+  "PENDING_PAYMENT",
+  "PAID",
+  "IN_PROGRESS",
+  "SHIPPED",
+  "READY_FOR_PICKUP",
+  "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);
+}