floret/lib/subscription/floret-subscription.js

Microservice Library for Node

const Rx = require('rxjs');

let FloretSubscription;

{
  const _name = Symbol('name');
  const _service = Symbol('service');
  const _router = Symbol('router');
  const _endpoint = Symbol('endpoint');
  const _uri = Symbol('uri');
  const _subject = Symbol('subject');

  FloretSubscription = class FloretSubscription {
    constructor(name, service, router, host) {
      this[_name] = name;
      this[_router] = router;
      this[_service] = service;
      this[_endpoint] = `${host}/${this[_service].name}/subscriptions/${this[_name]}`;
      this[_uri] = `/subscriptions/${this[_name]}`;
      this[_subject] = new Rx.Subject();
    }

    async init() {
      await this.createSubscriptionEndpoint();
    }

    async createSubscriptionEndpoint() {
      return await this[_router].post(this[_uri], (msg) => {
        this[_subject].next(msg);
      });
    }

    get name() {
      return this[_name];
    }

    set name(name) {
      this[_name] = name;
    }

    get uri() {
      return this[_uri];
    }

    set uri(uri) {
      this[_uri] = uri;
    }

    get endpoint() {
      return this[_endpoint];
    }

    set endpoint(endpoint) {
      this[_endpoint] = endpoint;
    }

    get service() {
      return this[_service];
    }

    get router() {
      return this[_router];
    }

    get observable() {
      return this[_subject];
    }

    set observable(sub) {
      this[_subject] = sub;
    }
  };
}

module.exports = FloretSubscription;