@goparrot/pubsub-event-bus/esm/service/handle-wrapper-strategy/AckAndNackStrategy.js

NestJS EventBus extension for RabbitMQ PubSub

import { __decorate } from "tslib";
import { Injectable } from '@nestjs/common';
import { AutoAckEnum } from '../../interface';
import { AbstractHandleWrapperStrategy } from './AbstractHandleWrapperStrategy';
let AckAndNackStrategy = class AckAndNackStrategy extends AbstractHandleWrapperStrategy {
    constructor() {
        super(...arguments);
        this.strategy = AutoAckEnum.ACK_AND_NACK;
    }
    addAutoAck(handlerWrapper, channelWrapper) {
        const { handler } = handlerWrapper;
        const originalMethod = handler.prototype.handle;
        Reflect.defineProperty(handler.prototype, 'handle', {
            ...Reflect.getOwnPropertyDescriptor(handler.prototype, 'handle'),
            async value(event) {
                try {
                    await originalMethod.apply(this, [event]);
                    const message = event.message();
                    if (message) {
                        channelWrapper.ack(message);
                    }
                }
                catch (e) {
                    const message = event.message();
                    if (message) {
                        channelWrapper.nack(message);
                    }
                    throw e;
                }
            },
        });
    }
    process(handlerWrapper, channelWrapper) {
        this.mockAckAndNack(handlerWrapper);
        this.addAutoAck(handlerWrapper, channelWrapper);
    }
};
AckAndNackStrategy = __decorate([
    Injectable()
], AckAndNackStrategy);
export { AckAndNackStrategy };
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