wurenzhi
15ee1758f5
- 移除extension模块，将功能迁移至node-agent - 修复类型导出问题，使用export type明确类型导出 - 统一数据库连接方式，从直接导入改为使用config/database - 更新文档中的项目结构描述 - 添加多个服务的实用方法，如getForecast、getBalances等 - 修复类型错误和TS1205警告 - 优化RedisService调用方式 - 添加新的实体类型定义 - 更新审计日志格式，统一字段命名
66 lines
2.1 KiB
TypeScript
66 lines
2.1 KiB
TypeScript
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_FIN_16] 租户级税务优惠政策自动发现
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* 负责扫描全球各地区的最新税务优惠（如 IOSS 减免、特定类目退税等），并自动提醒租户
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*/
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export class TaxIncentivesService {
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/**
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* 自动发现税务优惠
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*/
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static async discoverIncentives(tenantId: string, countryCode: string, traceId: string): Promise<void> {
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// 1. 获取该地区的最新税务政策 (模拟调用 AI 服务分析全球税法库)
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const result = await AIService.searchTaxPolicies({
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countryCode: countryCode,
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keywords: ['tax incentive', 'e-commerce'],
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category: 'general'
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});
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for (const policy of result.policies) {
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// 检查是否已记录
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const existing = await db('cf_tax_incentives')
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.where({ tenant_id: tenantId, country_code: countryCode, policy_name: policy.title })
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.first();
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if (!existing) {
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await db.transaction(async (trx) => {
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const [id] = await trx('cf_tax_incentives').insert({
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tenant_id: tenantId,
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country_code: countryCode,
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policy_name: policy.title,
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description: policy.summary,
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estimated_savings: policy.relevance * 1000,
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status: 'DISCOVERED'
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});
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// 审计记录
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await AuditService.log({
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tenantId: tenantId,
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action: 'TAX_INCENTIVE_DISCOVERED',
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resourceType: 'TAX_INCENTIVE',
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resourceId: id.toString(),
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traceId: traceId,
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userId: 'SYSTEM',
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module: 'TAX_INCENTIVE',
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source: 'node',
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result: 'success',
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afterSnapshot: { policyName: policy.title, relevance: policy.relevance },
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metadata: { countryCode }
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});
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});
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}
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}
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}
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/**
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* 获取租户所有已发现的优惠
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*/
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static async getIncentives(tenantId: string) {
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return await db('cf_tax_incentives')
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.where({ tenant_id: tenantId })
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.orderBy('estimated_savings', 'desc');
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}
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}
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