30 lines
1.1 KiB
TypeScript
30 lines
1.1 KiB
TypeScript
/**
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* 新增时默认排序号：当前列表中最大 sortOrder + 1；无任何数据时为 0。
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* 依赖列表接口按 sort_order 升序分页（最后一页含最大排序号）。
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*/
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import { MAX_ADMIN_LIST_PAGE_SIZE } from '@/utils/fetch-paged-list'
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export async function fetchNextSortOrder(
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fetchList: (params: {
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page: number
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pageSize: number
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keyword?: string
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isActive?: boolean | number | string | undefined
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}) => Promise<{ list: { sortOrder?: number }[]; total: number }>,
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options?: { pageSize?: number }
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): Promise<number> {
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const requested = options?.pageSize ?? MAX_ADMIN_LIST_PAGE_SIZE
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const pageSize = Math.min(Math.max(1, requested), MAX_ADMIN_LIST_PAGE_SIZE)
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const first = await fetchList({ page: 1, pageSize })
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const total = first.total ?? 0
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if (total === 0) return 0
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const lastPage = Math.ceil(total / pageSize)
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const res = lastPage <= 1 ? first : await fetchList({ page: lastPage, pageSize })
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const list = res.list ?? []
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const nums = list.map((r) => {
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const n = Number(r.sortOrder)
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return Number.isFinite(n) ? n : 0
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})
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return (nums.length ? Math.max(...nums) : 0) + 1
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}
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