n8n/dist/Queue.js

n8n Workflow Automation Tool

"use strict";
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exports.Queue = void 0;
const typedi_1 = require("typedi");
const n8n_workflow_1 = require("n8n-workflow");
const ActiveExecutions_1 = require("./ActiveExecutions");
const RedisServiceHelper_1 = require("./services/redis/RedisServiceHelper");
const config_1 = __importDefault(require("./config"));
let Queue = class Queue {
    constructor(activeExecutions) {
        this.activeExecutions = activeExecutions;
    }
    async init() {
        const bullPrefix = config_1.default.getEnv('queue.bull.prefix');
        const prefix = (0, RedisServiceHelper_1.getRedisPrefix)(bullPrefix);
        const clusterNodes = (0, RedisServiceHelper_1.getRedisClusterNodes)();
        const usesRedisCluster = clusterNodes.length > 0;
        const { default: Bull } = await Promise.resolve().then(() => __importStar(require('bull')));
        const { default: Redis } = await Promise.resolve().then(() => __importStar(require('ioredis')));
        this.jobQueue = new Bull('jobs', {
            prefix,
            settings: config_1.default.get('queue.bull.settings'),
            createClient: (type, clientConfig) => usesRedisCluster
                ? (0, RedisServiceHelper_1.getRedisClusterClient)(Redis, clientConfig, (type + '(bull)'))
                : (0, RedisServiceHelper_1.getRedisStandardClient)(Redis, clientConfig, (type + '(bull)')),
        });
        this.jobQueue.on('global:progress', (_jobId, progress) => {
            this.activeExecutions.resolveResponsePromise(progress.executionId, this.decodeWebhookResponse(progress.response));
        });
    }
    decodeWebhookResponse(response) {
        if (typeof response === 'object' &&
            typeof response.body === 'object' &&
            response.body['__@N8nEncodedBuffer@__']) {
            response.body = Buffer.from(response.body['__@N8nEncodedBuffer@__'], n8n_workflow_1.BINARY_ENCODING);
        }
        return response;
    }
    async add(jobData, jobOptions) {
        return await this.jobQueue.add(jobData, jobOptions);
    }
    async getJob(jobId) {
        return await this.jobQueue.getJob(jobId);
    }
    async getJobs(jobTypes) {
        return await this.jobQueue.getJobs(jobTypes);
    }
    async process(concurrency, fn) {
        return await this.jobQueue.process(concurrency, fn);
    }
    async ping() {
        return await this.jobQueue.client.ping();
    }
    async pause({ isLocal, doNotWaitActive, } = {}) {
        return await this.jobQueue.pause(isLocal, doNotWaitActive);
    }
    getBullObjectInstance() {
        if (this.jobQueue === undefined) {
            throw new n8n_workflow_1.ApplicationError('Queue is not initialized yet!');
        }
        return this.jobQueue;
    }
    async stopJob(job) {
        if (await job.isActive()) {
            await job.progress(-1);
            return true;
        }
        try {
            await job.remove();
            return true;
        }
        catch (e) {
            await job.progress(-1);
        }
        return false;
    }
};
exports.Queue = Queue;
exports.Queue = Queue = __decorate([
    (0, typedi_1.Service)(),
    __metadata("design:paramtypes", [ActiveExecutions_1.ActiveExecutions])
], Queue);
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