import { Injectable, Logger } from '@nestjs/common'; @Injectable() export class EventBusPublisher { private readonly logger = new Logger(EventBusPublisher.name); async publish(event: string, data: T, metadata?: Record): Promise { this.logger.debug(`Publishing event: ${event}`, { data, metadata }); // TODO: 实现具体的发布逻辑 } async publishBatch(events: Array<{ event: string; data: T; metadata?: Record }>): Promise { this.logger.debug(`Publishing batch events: ${events.length} events`); // TODO: 实现具体的批量发布逻辑 } }