feat: list group buy orders for dispatch

admin-web/src/api/groupBuyApi.test.ts

@@ -0,0 +1,40 @@
+import { describe, expect, it } from 'vitest'
+import { filterPendingDeliveryGroupBuyOrders, groupBuyOrderDispatchLabel } from './groupBuyApi'
+import type { GroupBuyOrder } from '../types'
+
+describe('group buy dispatch helpers', () => {
+  it('keeps only group buy orders waiting for delivery', () => {
+    const orders = [
+      groupBuyOrder({ id: 1, status: 'PENDING_DELIVERY' }),
+      groupBuyOrder({ id: 2, status: 'DELIVERING' }),
+      groupBuyOrder({ id: 3, status: 'PENDING_PICKUP' })
+    ]
+
+    expect(filterPendingDeliveryGroupBuyOrders(orders).map((item) => item.id)).toEqual([1])
+  })
+
+  it('builds a readable dispatch label', () => {
+    expect(groupBuyOrderDispatchLabel(groupBuyOrder({
+      orderNo: 'GB00000001',
+      groupBuyTitle: 'Today eggs',
+      quantity: 2,
+      amountCent: 5980
+    }))).toBe('GB00000001 Today eggs x2 ¥59.80')
+  })
+})
+
+function groupBuyOrder(overrides: Partial<GroupBuyOrder>): GroupBuyOrder {
+  return {
+    id: 1,
+    orderNo: 'GB00000001',
+    groupBuyId: 1,
+    groupBuyTitle: 'Today eggs',
+    quantity: 1,
+    priceCent: 2990,
+    amountCent: 2990,
+    deliveryMethod: 'IMMEDIATE',
+    status: 'PENDING_DELIVERY',
+    offlinePayStatus: 'UNPAID',
+    ...overrides
+  }
+}