《基于微服务架构的企业司法风险监控平台实践：T+1实时预警与多场景应用》

graph TD
    subgraph 数据接口
        A[合规数据服务接口]
    end
    subgraph 平台服务
        B[数据获取与范化服务]
        C[Kafka消息队列]
        D[实时案件分析服务 (Flink)]
        E[风险评估与预警引擎]
        F[API网关]
    end
    subgraph 数据存储
        G[(时序数据库 TimescaleDB)]
        H[(业务数据库 PostgreSQL)]
    end
    subgraph 应用层
        I[监控管理后台 (Nuxt 3)]
        J[多渠道通知模块]
    end
    
    A --> B
    B --> C
    C --> D
    D --> G
    D --> E
    E --> H
    E --> J
    F --> I
    F --> B
    F --> E
    I --> F

// 1. 添加监控对象
class MonitoringService {
  async addMonitorTarget(params) {
    try {
      // 参数校验
      const { 
        targetType,  // 监控对象类型：企业/个人
        targetName,  // 监控对象名称
        identityCode, // 统一社会信用代码/身份证号
        monitorPeriod, // 监控周期（月）
        notifyChannels, // 通知渠道配置
        riskTypes     // 监控风险类型
      } = this.validateParams(params);

      // 检查授权情况
      await this.checkAuthorization(targetType, identityCode);

      // 构建监控配置
      const monitorConfig = {
        targetId: this.generateTargetId(),
        targetType,
        targetName,
        identityCode,
        startTime: new Date(),
        endTime: this.calculateEndTime(monitorPeriod),
        notifyConfig: this.buildNotifyConfig(notifyChannels),
        riskTypes,
        status: 'active'
      };

      // 保存监控配置
      await this.monitorRepo.save(monitorConfig);

      // 初始风险扫描
      await this.riskScanService.initialScan(monitorConfig);

      return {
        success: true,
        targetId: monitorConfig.targetId,
        message: '监控对象添加成功'
      };
    } catch (error) {
      this.logger.error('添加监控对象失败', error);
      throw new BusinessError('添加监控对象失败', error);
    }
  }
}

// 2. 接收数据回调
class DataCallbackHandler {
  async handleCallback(callbackData) {
    try {
      // 数据签名验证
      if (!this.verifySignature(callbackData)) {
        throw new Error('数据签名验证失败');
      }

      // 数据格式校验和转换
      const judicialEvent = this.normalizeCallbackData(callbackData);

      // 推送到消息队列
      await this.kafkaProducer.send('judicial-events', {
        eventType: judicialEvent.type,
        eventTime: judicialEvent.timestamp,
        eventData: judicialEvent.data,
        rawData: callbackData
      });

      // 返回接收确认
      return {
        success: true,
        messageId: judicialEvent.id,
        receiveTime: new Date().toISOString()
      };
    } catch (error) {
      this.logger.error('处理数据回调失败', error);
      throw new Error('处理数据回调失败');
    }
  }
}

// 3. 删除监控对象
class MonitoringService {
  async removeMonitorTarget(targetId) {
    try {
      // 查询监控配置
      const monitorConfig = await this.monitorRepo.findById(targetId);
      if (!monitorConfig) {
        throw new Error('监控对象不存在');
      }

      // 权限检查
      await this.checkPermission(monitorConfig);

      // 停止监控
      monitorConfig.status = 'inactive';
      monitorConfig.endTime = new Date();
      await this.monitorRepo.update(monitorConfig);

      // 清理相关资源
      await Promise.all([
        this.cleanupNotifyRules(targetId),
        this.cleanupRiskRecords(targetId),
        this.notifyMonitorEnd(monitorConfig)
      ]);

      return {
        success: true,
        message: '监控对象已删除'
      };
    } catch (error) {
      this.logger.error('删除监控对象失败', error);
      throw new BusinessError('删除监控对象失败', error);
    }
  }
}

// 4. 日更新风险发现
class RiskDiscoveryService {
  async dailyRiskScan() {
    try {
      const startTime = new Date();
      this.logger.info('开始每日风险扫描', { startTime });

      // 获取活跃监控目标
      const activeTargets = await this.monitorRepo.findActive();

      // 并行处理每个监控对象
      const scanResults = await Promise.all(
        activeTargets.map(target => this.scanTarget(target))
      );

      // 统计扫描结果
      const statistics = this.calculateStatistics(scanResults);
      
      // 记录扫描日志
      await this.saveScanLog({
        startTime,
        endTime: new Date(),
        totalTargets: activeTargets.length,
        statistics
      });

      return statistics;
    } catch (error) {
      this.logger.error('每日风险扫描失败', error);
      throw new Error('每日风险扫描失败');
    }
  }

  async scanTarget(target) {
    // 获取最新司法数据
    const latestData = await this.dataService.getLatestData(target);
    
    // 风险评估
    const riskResults = await this.riskAnalyzer.analyze(target, latestData);
    
    // 如果发现风险，触发通知
    if (riskResults.hasRisk) {
      await this.notificationService.notify({
        target,
        riskLevel: riskResults.riskLevel,
        riskDetails: riskResults.details,
        discoveryTime: new Date()
      });
    }

    return {
      targetId: target.id,
      hasRisk: riskResults.hasRisk,
      riskCount: riskResults.details.length
    };
  }
}

// 通知服务实现示例
class NotificationService {
  // 发送风险通知
  async notify(params) {
    const {
      target,
      riskLevel,
      riskDetails,
      discoveryTime
    } = params;

    try {
      // 获取通知配置
      const notifyConfig = await this.getNotifyConfig(target.id);
      
      // 构建通知内容
      const notification = this.buildNotification({
        targetName: target.targetName,
        riskLevel,
        riskDetails,
        discoveryTime: discoveryTime.toLocaleString()
      });

      // 并行发送到各个通知渠道
      await Promise.all([
        // 站内信通知
        notifyConfig.siteMessage && 
          this.siteMessageService.send(target.userId, notification),
        
        // 短信通知
        notifyConfig.sms && 
          this.smsService.send(notifyConfig.phoneNumber, notification),
        
        // 企业微信通知
        notifyConfig.workWechat && 
          this.workWechatService.send(notifyConfig.wechatId, notification),
        
        // 钉钉通知
        notifyConfig.dingtalk && 
          this.dingtalkService.send(notifyConfig.dingtalkId, notification),
        
        // 邮件通知
        notifyConfig.email && 
          this.emailService.send(notifyConfig.emailAddress, notification)
      ]);

      // 记录通知日志
      await this.saveNotificationLog({
        targetId: target.id,
        riskLevel,
        notifyTime: new Date(),
        channels: this.getActiveChannels(notifyConfig)
      });

      return {
        success: true,
        message: '风险通知发送成功'
      };
    } catch (error) {
      this.logger.error('发送风险通知失败', error);
      throw new BusinessError('发送风险通知失败', error);
    }
  }

  // 构建通知内容
  buildNotification(params) {
    const {
      targetName,
      riskLevel,
      riskDetails,
      discoveryTime
    } = params;

    return {
      title: `${targetName}发现${riskLevel}级风险`,
      content: this.formatRiskDetails(riskDetails),
      discoveryTime,
      riskLevel,
      detailsUrl: this.generateDetailsUrl(riskDetails.id)
    };
  }
}