base commit

client/src/shared/constants/order.ts

@@ -0,0 +1,28 @@
+export const ORDER_STATUSES = [
+  'DRAFT',
+  'PENDING_PAYMENT',
+  'PAID',
+  'IN_PROGRESS',
+  'SHIPPED',
+  'DONE',
+  'CANCELLED',
+] as const
+
+export type OrderStatus = (typeof ORDER_STATUSES)[number]
+
+export const ORDER_STATUS_TRANSITIONS: Record<OrderStatus, OrderStatus[]> = {
+  DRAFT: ['PENDING_PAYMENT', 'CANCELLED'],
+  PENDING_PAYMENT: ['PAID', 'CANCELLED'],
+  PAID: ['IN_PROGRESS', 'CANCELLED'],
+  IN_PROGRESS: ['SHIPPED', 'CANCELLED'],
+  SHIPPED: ['DONE'],
+  DONE: [],
+  CANCELLED: [],
+}
+
+export function canTransitionOrderStatus(from: string, to: string): boolean {
+  if (from === to) return true
+  const f = from as OrderStatus
+  const list = ORDER_STATUS_TRANSITIONS[f]
+  return Array.isArray(list) ? list.includes(to as OrderStatus) : false
+}