R524809
107 lines
3.7 KiB
TypeScript
107 lines
3.7 KiB
TypeScript
import { z } from 'zod';
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import type { CommissionImportCategory } from '@atlas/contracts';
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import { ApiError } from '../common/api-error.js';
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import { D } from './pricing-engine.js';
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const sourceId = z
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.union([
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z.number().int().positive().max(Number.MAX_SAFE_INTEGER),
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z.string().regex(/^[1-9]\d{0,17}$/),
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])
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.transform(String);
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const leaf = z
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.object({
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id: z.union([z.string(), z.number()]),
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label: z.string().max(200),
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value: z.string().max(50),
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})
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.strict();
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const category = z
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.object({
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id: z.union([z.string(), z.number()]),
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label: z.string().trim().min(1).max(200),
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value: z.string().max(200),
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cate_id: sourceId,
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children: z.array(leaf).length(3),
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})
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.strict();
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const root = category
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.omit({ children: true })
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.extend({ children: z.array(category).min(1).max(2000) });
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const documentSchema = z
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.object({
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code: z.literal(1),
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msg: z.string(),
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data: z.array(root).min(1).max(100),
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})
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.strict();
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const fail = (message: string): never => {
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throw new ApiError(422, 'COMMISSION_IMPORT_INVALID', message);
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};
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/** 仅在导入时解析来源文字；报价读取结构化区间，不解析展示标签。 */
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export function parseCommissionDocument(
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document: unknown,
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): CommissionImportCategory[] {
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if (Buffer.byteLength(JSON.stringify(document) ?? '') > 2 * 1024 * 1024)
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fail('JSON 不能超过 2 MiB');
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const parsed = documentSchema.safeParse(document);
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if (!parsed.success)
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return fail(
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'JSON 格式不正确：应包含一级类目、二级类目和每类完整的三个价格档位',
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);
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const ids = new Set<string>();
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const result: CommissionImportCategory[] = [];
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for (const group of parsed.data.data) {
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if (ids.has(group.cate_id)) fail(`类目 ID 重复：${group.cate_id}`);
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ids.add(group.cate_id);
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for (const item of group.children) {
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if (ids.has(item.cate_id)) fail(`类目 ID 重复：${item.cate_id}`);
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ids.add(item.cate_id);
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const bands = item.children.map((tier, index) => {
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const value = /^([123]),(\d{1,2}(?:\.\d{1,2})?)$/.exec(
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tier.value,
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);
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const prefix = [
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'售价 ≤ 1500₽',
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'1500₽ < 售价 ≤ 5000₽',
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'售价 > 5000₽',
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][index];
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const label = /^(.*?)\s*\((\d{1,2}(?:\.\d{1,2})?)%\)$/.exec(
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tier.label,
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);
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if (
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!value ||
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!label ||
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value[1] !== String(index + 1) ||
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label[1].trim() !== prefix ||
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!D(value[2]).eq(label[2])
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)
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return fail(
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`${item.label}：档位或标签百分比与 value 不一致`,
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);
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return {
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min_price: ['0', '1500', '5000'][index],
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max_price: ['1500', '5000', null][index],
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min_inclusive: false,
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max_inclusive: index < 2,
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commission_rate: D(value[2]).div(100).toFixed(6),
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};
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});
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result.push({
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source_category_id: item.cate_id,
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parent_source_id: group.cate_id,
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name: item.label,
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parent_name: group.label,
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bands,
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status: 'eligible',
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issues: [],
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change: 'added',
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mapped_types: 0,
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});
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}
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}
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if (result.length > 2000) fail('二级类目不能超过 2,000 个');
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return result;
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}
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