73 lines
2.4 KiB
TypeScript
73 lines
2.4 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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import { FeatureGovernanceService } from '../core/governance/FeatureGovernanceService';
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/**
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* [BIZ_ECO_02] 基于博弈论的供应商价值共享模型 (Eco Value Sharing)
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* 负责在租户与供应商之间，基于历史表现、利润贡献与风险承担，利用博弈论模型自动分配额外增值收益
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*/
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export class EcoValueSharingService {
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/**
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* 计算并执行价值分配
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*/
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static async calculateAndShare(
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tenantId: string,
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supplierId: string,
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totalIncrementalProfit: number,
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traceId: string
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): Promise<number> {
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// Feature Flag Check
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if (!(await FeatureGovernanceService.isEnabled('BIZ_ECO_VALUE_SHARING', tenantId))) {
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return 0;
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}
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// 1. 获取博弈因子 (租户忠诚度、供应商交期稳定性、质量分)
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const gameFactors = await AIService.getEcoGameFactors(tenantId, supplierId);
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// 2. 运行博弈论分配模型 (Shapley Value 或 Nash Equilibrium 模拟)
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const sharingLogic = await AIService.runValueSharingGame(totalIncrementalProfit, gameFactors);
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const supplierShare = sharingLogic.supplierAmount;
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await db.transaction(async (trx) => {
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// 3. 记录分配快照
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const [id] = await trx('cf_eco_value_sharing').insert({
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tenant_id: tenantId,
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supplier_id: supplierId,
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shared_profit_amount: supplierShare,
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sharing_logic: JSON.stringify(sharingLogic),
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status: 'CALCULATED'
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});
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// 4. 执行资金拨付 (模拟)
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await trx('cf_eco_value_sharing')
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.where({ id })
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.update({
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status: 'TRANSFERRED',
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updated_at: db.fn.now()
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});
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// 5. 审计记录
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await AuditService.log({
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tenant_id: tenantId,
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action: 'ECO_VALUE_SHARED',
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target_type: 'SUPPLIER_RELATION',
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target_id: supplierId,
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trace_id: traceId,
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new_data: JSON.stringify({ sharedAmount: supplierShare, totalProfit: totalIncrementalProfit }),
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metadata: JSON.stringify({ model: 'Nash Equilibrium' })
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});
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});
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return supplierShare;
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}
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/**
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* 获取租户所有价值共享记录
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*/
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static async getSharingHistory(tenantId: string) {
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return await db('cf_eco_value_sharing')
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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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