60 lines
2.1 KiB
TypeScript
60 lines
2.1 KiB
TypeScript
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import db from '../config/database';
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import { logger } from '../utils/logger';
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import { WarehouseService } from './WarehouseService';
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export interface StockDistributionAdvice {
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tenantId: string;
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productId: string;
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fromWarehouseId: string;
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toWarehouseId: string;
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suggestedQuantity: number;
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reason: string;
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}
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/**
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* [BIZ_TRADE_09] 全球海外仓库存智能分布服务
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* @description 分析区域需求热力图，自动生成库存前置（移仓）建议
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*/
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export class InventoryDistributionService {
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/**
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* 生成库存分布建议 (BIZ_TRADE_09)
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*/
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static async generateDistributionAdvice(tenantId: string): Promise<StockDistributionAdvice[]> {
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logger.info(`[InventoryDist] Analyzing demand for Tenant: ${tenantId}`);
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const advices: StockDistributionAdvice[] = [];
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// 1. 获取所有热销商品及区域需求分布
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// 模拟基于订单历史的需求热力分析
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const products = await db('cf_product').where({ tenant_id: tenantId }).limit(10);
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for (const product of products) {
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const advice = await this.analyzeProductDistribution(tenantId, product.id);
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if (advice) advices.push(advice);
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}
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return advices;
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}
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private static async analyzeProductDistribution(tenantId: string, productId: string): Promise<StockDistributionAdvice | null> {
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// 模拟分析：如果该商品在欧洲销量占比 > 40%，但库存全在国内仓，则建议移仓
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const inventory = await db('cf_inventory').where({ tenant_id: tenantId, product_id: productId });
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const localStock = inventory.find(i => i.warehouse_id === 'DEFAULT' || i.warehouse_id === 'LOCAL_01');
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const overseasStock = inventory.find(i => i.warehouse_id === 'OVERSEAS_EU_01');
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if (localStock && localStock.available_stock > 100 && (!overseasStock || overseasStock.available_stock < 20)) {
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return {
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tenantId,
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productId,
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fromWarehouseId: localStock.warehouse_id,
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toWarehouseId: 'OVERSEAS_EU_01',
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suggestedQuantity: 50,
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reason: 'High demand detected in EU region. Forward positioning suggested to reduce delivery time.'
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};
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}
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return null;
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}
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}
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