93 lines
2.9 KiB
TypeScript
93 lines
2.9 KiB
TypeScript
import { Controller, Logger } from '@nestjs/common';
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import { MessagePattern, Payload } from '@nestjs/microservices';
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import { RewardApplicationService } from '../../application/services/reward-application.service';
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import { EventAckPublisher } from './event-ack.publisher';
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interface PlantingOrderPaidEvent {
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eventName?: string;
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data?: {
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orderId: string;
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userId: string;
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treeCount: number;
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provinceCode: string;
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cityCode: string;
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paidAt: string;
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};
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// 兼容旧格式
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orderId?: string;
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userId?: string;
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treeCount?: number;
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provinceCode?: string;
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cityCode?: string;
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paidAt?: string;
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// B方案：outbox 元数据
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_outbox?: {
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id: string;
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aggregateId: string;
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eventType: string;
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};
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}
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@Controller()
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export class EventConsumerController {
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private readonly logger = new Logger(EventConsumerController.name);
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constructor(
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private readonly rewardService: RewardApplicationService,
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private readonly eventAckPublisher: EventAckPublisher,
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) {}
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/**
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* 监听认种订单支付成功事件
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*/
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@MessagePattern('planting.order.paid')
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async handlePlantingOrderPaid(@Payload() message: PlantingOrderPaidEvent) {
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this.logger.log(`Received planting.order.paid event: ${JSON.stringify(message)}`);
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// 解析消息数据（支持新旧格式）
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const eventData = message.data || {
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orderId: message.orderId!,
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userId: message.userId!,
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treeCount: message.treeCount!,
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provinceCode: message.provinceCode!,
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cityCode: message.cityCode!,
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paidAt: message.paidAt!,
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};
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// B方案：提取 outbox 信息用于发送确认
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const outboxInfo = message._outbox;
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const eventId = outboxInfo?.aggregateId || eventData.orderId;
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try {
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// 1. 计算并分配奖励
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await this.rewardService.distributeRewards({
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sourceOrderId: BigInt(eventData.orderId),
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sourceUserId: BigInt(eventData.userId),
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treeCount: eventData.treeCount,
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provinceCode: eventData.provinceCode,
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cityCode: eventData.cityCode,
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});
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// 2. 检查该用户是否有待领取奖励需要转为可结算
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await this.rewardService.claimPendingRewardsForUser(BigInt(eventData.userId));
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this.logger.log(`Successfully processed planting.order.paid for order ${eventData.orderId}`);
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// B方案：发送处理成功确认
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if (outboxInfo) {
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await this.eventAckPublisher.sendSuccess(eventId, outboxInfo.eventType);
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}
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} catch (error) {
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this.logger.error(`Error processing planting.order.paid:`, error);
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// B方案：发送处理失败确认
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if (outboxInfo) {
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const errorMessage = error instanceof Error ? error.message : String(error);
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await this.eventAckPublisher.sendFailure(eventId, outboxInfo.eventType, errorMessage);
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}
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throw error;
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}
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}
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}
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