59 lines
2.4 KiB
TypeScript
59 lines
2.4 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 { DecisionExplainabilityEngine } from '../core/ai/DecisionExplainabilityEngine';
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export interface CarbonMetric {
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routeId: string;
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co2PerKg: number;
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estimatedDays: number;
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}
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/**
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* [BIZ_OPS_144] 供应链路线碳排放核算建议 (Carbon)
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* @description 核心逻辑：核算不同物流路径（空运、海运、铁路）的碳排放量，为具备“绿色品牌”心智的租户推荐低碳路径。
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*/
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export class GreenSupplyService {
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/**
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* 推荐低碳路径并生成建议 (BIZ_OPS_144)
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*/
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static async recommendLowCarbonRoutes(tenantId: string, orderId: string): Promise<any> {
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logger.info(`[GreenSupply] Calculating carbon footprint for Order: ${orderId}, Tenant: ${tenantId}`);
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try {
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// 1. 获取当前物流选项 (模拟)
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const options: CarbonMetric[] = [
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{ routeId: 'AIR_EXPRESS', co2PerKg: 15.2, estimatedDays: 3 },
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{ routeId: 'SEA_FREIGHT', co2PerKg: 0.8, estimatedDays: 25 },
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{ routeId: 'RAIL_WAY', co2PerKg: 2.5, estimatedDays: 15 }
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];
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// 2. 识别低碳选项 (相比空运节省 > 80% 排放)
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const standard = options.find(o => o.routeId === 'AIR_EXPRESS')!;
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const greenOption = options.find(o => o.routeId === 'RAIL_WAY')!; // 中欧班列示例
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const carbonSavings = standard.co2PerKg - greenOption.co2PerKg;
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const advice = `Green Route Recommended: Switching to ${greenOption.routeId} reduces carbon footprint by ${carbonSavings.toFixed(1)}kg CO2 per kg of cargo. ` +
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`Trade-off: +${greenOption.estimatedDays - standard.estimatedDays} days delivery time.`;
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// 3. [UX_XAI_01] 记录决策证据链
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await DecisionExplainabilityEngine.logDecision({
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tenantId,
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module: 'ESG_GOVERNANCE',
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resourceId: orderId,
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decisionType: 'LOW_CARBON_ROUTE_RECOMMENDATION',
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causalChain: advice,
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factors: [
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{ name: 'CarbonSavings', value: carbonSavings, weight: 0.8, impact: 'POSITIVE' },
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{ name: 'DeliveryDelay', value: greenOption.estimatedDays - standard.estimatedDays, weight: 0.2, impact: 'NEGATIVE' }
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],
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traceId: 'green-supply-' + Date.now()
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});
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return { success: true, greenOption, advice, status: 'PENDING_REVIEW' };
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} catch (err: any) {
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logger.error(`[GreenSupply][WARN] Calculation failed: ${err.message}`);
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return { success: false, error: err.message };
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}
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}
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}
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