getFeedById with cache

feeds.model.js

// Feeds model after cache

import DB from '../db';
import CacheService from '../cache.service';

const ttl = 60 * 60 * 1; // cache for 1 Hour
const cache = new CacheService(ttl); // Create a new cache service instance

const FeedModel = {
  // ...

  getFeedById(feedID) {
    const selectQuery = `SELECT * FROM feeds WHERE feedID = ${feedID}`;

    return cache.get(feedID, () => DB.then((connection) =>
      connection.query(selectQuery).then((rows) => {
        return rows[0];
      })
    )).then((result) => {
      return result;
    });
  },

  // ...
};

export default FeedModel;