huangzd1997
c1d6ce6d20
抽屉副标题/5 国家草稿(ASIN+最低价)与变更差异(清空 ASIN→删除, 仅清价→
update)纯逻辑, 保存走 PUT/DELETE /api/admin/skip-price-asins/{id}/countries/{country},
10 个契约测试。
91 lines
3.3 KiB
TypeScript
91 lines
3.3 KiB
TypeScript
/** 最低价 ASIN 详情编辑抽屉模型（任务 77）：副标题、5 国家草稿(ASIN+最低价)与变更差异，纯逻辑。 */
|
||
import { ASIN_COUNTRY_CODES, asinCountryLabel } from './asin-country.ts'
|
||
import { skipPriceAsin, skipPriceMinimum, type SkipPriceItem } from './skip-price-model.ts'
|
||
|
||
/** 抽屉副标题：`分组 / 店铺名`；无分组时仅店铺名。 */
|
||
export function skipPriceDetailSubtitle(item: Pick<SkipPriceItem, 'groupName' | 'shopName'>): string {
|
||
const group = (item.groupName || '').trim()
|
||
const shop = (item.shopName || '').trim()
|
||
return group ? `${group} / ${shop}` : shop
|
||
}
|
||
|
||
/** 抽屉单国家草稿（编辑前初值）。 */
|
||
export interface SkipPriceCountryDraft {
|
||
code: string
|
||
label: string
|
||
asin: string
|
||
/** 最低价输入原文；空串表示清除。 */
|
||
price: string
|
||
}
|
||
|
||
/** 由列表行生成 5 国家草稿，保持支持国家序。 */
|
||
export function skipPriceCountryDraftsOf(item: SkipPriceItem): SkipPriceCountryDraft[] {
|
||
return ASIN_COUNTRY_CODES.map((code) => {
|
||
const price = skipPriceMinimum(item, code)
|
||
return {
|
||
code,
|
||
label: asinCountryLabel(code),
|
||
asin: skipPriceAsin(item, code),
|
||
price: price === null ? '' : String(price),
|
||
}
|
||
})
|
||
}
|
||
|
||
/** 非负可解析价格 → number；空/非法/负数返回 null。 */
|
||
export function normalizeSkipPriceCellPrice(value: string): number | null {
|
||
const trimmed = (value || '').trim()
|
||
if (!trimmed) return null
|
||
if (!/^\d+(\.\d+)?$/.test(trimmed)) return null
|
||
const num = Number(trimmed)
|
||
return Number.isFinite(num) && num >= 0 ? num : null
|
||
}
|
||
|
||
function priceEquals(a: number | null, b: number | null): boolean {
|
||
if (a === null || b === null) return a === b
|
||
return a === b
|
||
}
|
||
|
||
export type SkipPriceCountryChangeKind = 'update' | 'delete'
|
||
|
||
export interface SkipPriceCountryChange {
|
||
code: string
|
||
label: string
|
||
kind: SkipPriceCountryChangeKind
|
||
asin?: string
|
||
minimumPrice?: number | null
|
||
}
|
||
|
||
/**
|
||
* 与当前行比较草稿产出变更：
|
||
* - ASIN 与最低价均未变(归一后相等) → 跳过；
|
||
* - ASIN 留空(当前有值) → delete；
|
||
* - 否则 update(ASIN 大写 + 最低价随行，可为空以清价)。
|
||
* 未知国家码或缺失草稿不产生变更，避免误删；结果按支持国家序稳定输出。
|
||
*/
|
||
export function diffSkipPriceCountryChanges(
|
||
item: SkipPriceItem,
|
||
drafts: SkipPriceCountryDraft[],
|
||
): SkipPriceCountryChange[] {
|
||
const byCode = new Map<string, SkipPriceCountryDraft>()
|
||
for (const draft of drafts || []) {
|
||
if (!draft || typeof draft.code !== 'string') continue
|
||
byCode.set(draft.code.trim().toUpperCase(), draft)
|
||
}
|
||
const changes: SkipPriceCountryChange[] = []
|
||
for (const code of ASIN_COUNTRY_CODES) {
|
||
const draft = byCode.get(code)
|
||
if (!draft) continue
|
||
const nextAsin = (draft.asin || '').trim().toUpperCase()
|
||
const nextPrice = normalizeSkipPriceCellPrice(draft.price)
|
||
const currentAsin = skipPriceAsin(item, code).trim().toUpperCase()
|
||
const currentPrice = skipPriceMinimum(item, code)
|
||
if (nextAsin === currentAsin && priceEquals(currentPrice, nextPrice)) continue
|
||
if (!nextAsin) {
|
||
changes.push({ code, label: asinCountryLabel(code), kind: 'delete' })
|
||
} else {
|
||
changes.push({ code, label: asinCountryLabel(code), kind: 'update', asin: nextAsin, minimumPrice: nextPrice })
|
||
}
|
||
}
|
||
return changes
|
||
}
|