@nestjstools/messaging-rabbitmq-extension/lib/migrator/rabbitmq.migrator.js

Extension to handle messages and dispatch them over AMQP protocol

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.RabbitmqMigrator = void 0;
const common_1 = require("@nestjs/common");
let RabbitmqMigrator = class RabbitmqMigrator {
    async run(channel) {
        if (channel.config.autoCreate === false) {
            return Promise.resolve();
        }
        if (!channel.connection) {
            throw new Error('Brak aktywnego połączenia AMQP');
        }
        this.channelWrapper = channel.createChannelWrapper();
        await this.channelWrapper.addSetup(async (ch) => {
            await ch.assertExchange(channel.config.exchangeName, channel.config.exchangeType, { durable: true });
            await ch.assertQueue(channel.config.queue, {
                durable: true,
            });
            if (channel.config.deadLetterQueueFeature) {
                const dlxExchange = 'dead_letter.exchange';
                const dlq = `${channel.config.queue}_dead_letter`;
                await ch.assertExchange(dlxExchange, 'direct', { durable: true });
                await ch.assertQueue(dlq, { durable: true });
                await ch.bindQueue(dlq, dlxExchange, dlq);
            }
            if (channel.config.retryMessage) {
                const retryExchange = `${channel.config.exchangeName}_retry.exchange`;
                const retryQueue = `${channel.config.queue}_retry`;
                await ch.assertExchange(retryExchange, channel.config.exchangeType, {
                    durable: true,
                });
                if (channel.config.forceRecreateRetryQueue) {
                    if (await ch.checkQueue(channel.config.queue)) {
                        await ch.deleteQueue(retryQueue);
                    }
                }
                await ch.assertQueue(retryQueue, {
                    durable: true,
                    arguments: {
                        'x-message-ttl': channel.config.retryMessageTtl ?? 1000,
                        'x-dead-letter-exchange': channel.config.exchangeName,
                    },
                });
                for (const key of channel.config.bindingKeys ?? []) {
                    await ch.bindQueue(retryQueue, retryExchange, key);
                }
            }
            for (const key of channel.config.bindingKeys ?? []) {
                await ch.bindQueue(channel.config.queue, channel.config.exchangeName, key);
            }
        });
        return await this.channelWrapper.waitForConnect();
    }
};
exports.RabbitmqMigrator = RabbitmqMigrator;
exports.RabbitmqMigrator = RabbitmqMigrator = __decorate([
    (0, common_1.Injectable)()
], RabbitmqMigrator);
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