index.js

"use strict";
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        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const PgBoss = require("pg-boss");
exports.PgBoss = PgBoss;
const di_1 = require("@fullstack-one/di");
const logger_1 = require("@fullstack-one/logger");
const db_1 = require("@fullstack-one/db");
const config_1 = require("@fullstack-one/config");
const boot_loader_1 = require("@fullstack-one/boot-loader");
let QueueFactory = class QueueFactory {
    constructor(bootLoader, loggerFactory, generalPool, config) {
        // set DI dependencies
        this.generalPool = generalPool;
        // register package config
        config.registerConfig("Queue", `${__dirname}/../config`);
        // init logger
        this.logger = loggerFactory.create(this.constructor.name);
        // add to boot loader
        bootLoader.addBootFunction(this.constructor.name, this.boot.bind(this));
    }
    boot() {
        return __awaiter(this, void 0, void 0, function* () {
            let boss;
            const queueConfig = di_1.Container.get(config_1.Config).getConfig("Queue");
            // create new connection if set in config, otherwise use one from the pool
            if (queueConfig != null && queueConfig.host && queueConfig.database && queueConfig.user && queueConfig.password) {
                // create a PGBoss instance
                boss = new PgBoss(queueConfig);
            }
            else {
                if (this.generalPool.pgPool == null) {
                    throw Error("DB.generalPool not ready");
                }
                // get new connection from the pool
                const pgCon = yield this.generalPool.pgPool.connect();
                // Add `close` and `executeSql` functions for PgBoss to function
                const pgBossDB = {
                    close: pgCon.release,
                    executeSql: (...args) => __awaiter(this, void 0, void 0, function* () {
                        return pgCon.query.apply(pgCon, args);
                    })
                };
                // create a PGBoss instance
                boss = new PgBoss(Object.assign({ db: pgBossDB }, queueConfig));
            }
            // log errors to warn
            boss.on("error", this.logger.warn);
            // try to start PgBoss
            try {
                this.queue = yield boss.start();
            }
            catch (err) {
                this.logger.warn("start.error", err);
            }
        });
    }
    getQueue() {
        if (this.queue != null) {
            return this.queue;
        }
        else {
            throw new Error("Queue.not.ready");
        }
    }
};
QueueFactory = __decorate([
    di_1.Service(),
    __param(0, di_1.Inject((type) => boot_loader_1.BootLoader)),
    __param(1, di_1.Inject((type) => logger_1.LoggerFactory)),
    __param(2, di_1.Inject((type) => db_1.DbGeneralPool)),
    __param(3, di_1.Inject((type) => config_1.Config)),
    __metadata("design:paramtypes", [Object, Object, Object, config_1.Config])
], QueueFactory);
exports.QueueFactory = QueueFactory;