trade360-nodejs-sdk/dist/src/feed/feed.js

LSports Trade360 SDK for Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Feed = void 0;
const lodash_1 = require("lodash");
const _logger_1 = require("../logger");
const _utilities_1 = require("../utilities");
const mq_feed_1 = require("./mq-feed");
const validators_1 = require("./validators");
/**
 * Class that represents all Feed requests
 */
class Feed {
    /**
     * Creates a new Feed instance.
     * @param mqSettings - MQ connection settings (hostname, port, vhost, username, password, packageId, etc.)
     * @param logger - Logger instance (optional, defaults to ConsoleAdapter)
     * @remarks The Feed constructor only accepts 2 parameters: mqSettings and logger.
     *          The preConnectionAtStart parameter is passed to the start() method, not the constructor.
     */
    constructor(mqSettings, logger = new _logger_1.ConsoleAdapter()) {
        this.logger = logger;
        this.preConnectionAtStart = false;
        this.mqSettings = validators_1.MqConnectionSettingsValidator.validate(mqSettings);
        this.consumerMq = new mq_feed_1.MessageConsumerMQ(this.mqSettings, this.logger);
    }
    setLogger(logger) {
        this.logger = logger;
    }
    async start(preConnectionAtStart = false) {
        this.preConnectionAtStart = preConnectionAtStart;
        if (this.preConnectionAtStart)
            await this.preConnectionInitialization();
        await this.consumerMq.start();
    }
    /**
     * Pre connection initialization for the feed service
     * to check the distribution status and start the
     * distribution flow if it is off.
     * @returns void
     */
    async preConnectionInitialization() {
        const options = { maxAttempts: 5, delayMs: 2000, backoffFactor: 2 };
        new _utilities_1.DistributionUtil(this.mqSettings, this.logger);
        const distributionStatus = await _utilities_1.DistributionUtil.checkStatus();
        if (!(0, lodash_1.isNil)(distributionStatus)) {
            const { isDistributionOn } = distributionStatus;
            if (!isDistributionOn) {
                this.logger.info('Distribution flow is off, will trying to start the flow');
                return (0, _utilities_1.withRetry)(async () => {
                    await _utilities_1.DistributionUtil.start();
                    const distributionStatusAfterStartOperation = await _utilities_1.DistributionUtil.checkStatus();
                    if (!(0, lodash_1.isNil)(distributionStatusAfterStartOperation) &&
                        distributionStatusAfterStartOperation.isDistributionOn) {
                        this.logger.info('Distribution is activated successfully');
                        return;
                    }
                }, options, 'Start distribution', this.logger);
            }
            else if (isDistributionOn) {
                this.logger.info('Distribution flow is already on');
            }
        }
    }
    async stop() {
        await this.consumerMq.stop();
        if (this.preConnectionAtStart)
            await _utilities_1.DistributionUtil.stop();
    }
    async addEntityHandler(entityHandler, entityConstructor) {
        await this.consumerMq.addEntityHandler(entityHandler, entityConstructor);
    }
}
exports.Feed = Feed;
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