@rxap/nest-amqp/dist/lib/amqp-options.factory.js

@rxap/nest-amqp

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AmqpOptionsFactory = void 0;
const tslib_1 = require("tslib");
const common_1 = require("@nestjs/common");
const config_1 = require("@nestjs/config");
const utilities_1 = require("@rxap/utilities");
let AmqpOptionsFactory = class AmqpOptionsFactory {
    config;
    logger;
    async create() {
        let options;
        if (this.config.get('AMQP_DISABLED')) {
            this.logger.debug('Amqp is disabled', 'AmqpOptionsFactory');
            const host = this.config.getOrThrow('AMQP_HOST');
            const port = this.config.getOrThrow('AMQP_PORT');
            const vhost = this.config.getOrThrow('AMQP_VHOST');
            options = {
                connection: {
                    findServers: () => `amqp://${host}:${port}/${vhost}`,
                    reconnectTimeInSeconds: 24 * 60 * 60
                },
                queue: await this.getQueue(),
                exchange: await this.getExchange(),
            };
        }
        else {
            this.logger.debug('Amqp is enabled', 'AmqpOptionsFactory');
            options = {
                connection: {
                    findServers: () => this.buildUrl()
                },
                queue: await this.getQueue(),
                exchange: await this.getExchange(),
            };
        }
        options.channel ??= {};
        options.channel.prefetchCount = this.config.get('AMQP_PREFETCH_COUNT', 100);
        return options;
    }
    async getQueue() {
        return undefined;
    }
    async getExchange() {
        return undefined;
    }
    async getCredentials() {
        this.logger.verbose('Getting Amqp credentials', 'AmqpOptionsFactory');
        if (this.config.get('AMQP_USERNAME') && this.config.get('AMQP_PASSWORD')) {
            this.logger.debug('Using username and password from env', 'AmqpOptionsFactory');
            return {
                username: this.config.getOrThrow('AMQP_USERNAME'),
                password: this.config.getOrThrow('AMQP_PASSWORD')
            };
        }
        return null;
    }
    async buildUrl() {
        this.logger.verbose('Building Amqp url', 'AmqpOptionsFactory');
        if (this.config.get('AMQP_URI')) {
            this.logger.debug('Using uri from env AMQP_URI', 'AmqpOptionsFactory');
            return this.config.getOrThrow('AMQP_URI');
        }
        const credentials = await this.getCredentials();
        if (!credentials) {
            throw new Error('No credentials found for Amqp connection');
        }
        const { username, password } = credentials;
        const host = this.config.getOrThrow('AMQP_HOST');
        const port = this.config.getOrThrow('AMQP_PORT');
        const vhost = this.config.getOrThrow('AMQP_VHOST');
        this.logger.debug(`Using uri amqp://${username}:*****@${host}:${port}${(0, utilities_1.CoercePrefix)(vhost, '/')}`, 'AmqpOptionsFactory');
        return `amqp://${username}:${password}@${host}:${port}/${vhost}`;
    }
};
exports.AmqpOptionsFactory = AmqpOptionsFactory;
tslib_1.__decorate([
    (0, common_1.Inject)(config_1.ConfigService),
    tslib_1.__metadata("design:type", config_1.ConfigService)
], AmqpOptionsFactory.prototype, "config", void 0);
tslib_1.__decorate([
    (0, common_1.Inject)(common_1.Logger),
    tslib_1.__metadata("design:type", common_1.Logger)
], AmqpOptionsFactory.prototype, "logger", void 0);
exports.AmqpOptionsFactory = AmqpOptionsFactory = tslib_1.__decorate([
    (0, common_1.Injectable)()
], AmqpOptionsFactory);