63 lines
2.0 KiB
TypeScript
63 lines
2.0 KiB
TypeScript
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import db from '../config/database';
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import { AuditService } from './AuditService';
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import { AIService } from './AIService';
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/**
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* [BIZ_MKT_11] 基于用户画像的个性化定价策略
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* 负责针对不同用户群体（如新客、老客、高价值客户等）自动生成个性化的定价与折扣建议
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*/
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export class PersonalizedPricingService {
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/**
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* 为特定用户群体生成个性化价格
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*/
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static async suggestPersonalizedPrice(
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tenantId: string,
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productId: string,
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userSegment: string,
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traceId: string
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): Promise<number> {
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// 1. 获取商品基础价格
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const product = await db('cf_product').where({ productId }).first();
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const basePrice = product?.price || 0;
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// 2. 个性化策略逻辑 (基于用户画像自动计算最优折扣)
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// 模拟调用 AI 分析用户画像并给出折扣建议
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const discountRate = await AIService.calculateOptimalDiscount(userSegment, productId);
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const personalizedPrice = basePrice * (1 - discountRate);
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// 3. 持久化定价记录
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await db.transaction(async (trx) => {
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const [id] = await trx('cf_personalized_pricing').insert({
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tenant_id: tenantId,
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product_id: productId,
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user_segment: userSegment,
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base_price: basePrice,
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personalized_price: personalizedPrice,
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discount_rate: discountRate
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});
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// 审计记录
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await AuditService.log({
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tenant_id: tenantId,
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action: 'PERSONALIZED_PRICE_SUGGESTED',
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target_type: 'PRICING_STRATEGY',
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target_id: id.toString(),
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trace_id: traceId,
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new_data: JSON.stringify({ personalizedPrice, discountRate }),
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metadata: JSON.stringify({ userSegment, productId })
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});
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});
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return personalizedPrice;
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}
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/**
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* 获取租户所有生效的个性化定价
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*/
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static async getActivePricings(tenantId: string) {
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return await db('cf_personalized_pricing')
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.where({ tenant_id: tenantId })
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.orderBy('created_at', 'desc');
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}
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}
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