A node script for making get requests of a Ghost blog's public API. Contains a function and configuration for a single blog.

ghost.js

// -----------------------------------------------------------------------------
// ghost.js
// Usage: node
// Send a get request to a ghost blog and return the response
// Ghost API: https://api.ghost.org/
// -----------------------------------------------------------------------------
//

// 'config' is not strictly necessary, as it is simply used to hold constants
const config        = require('./config');
// require http or https in the config and export it
// or require one or the other here
const https         = config.PROTOCOL;

// global constants for Ghost's Public API
const BLOG_DOMAIN   = config.BLOG_DOMAIN;
const PUBLIC_URL    = BLOG_DOMAIN + '/ghost/api/v0.1';
const CLIENT_ID     = 'ghost-frontend';
const CLIENT_SECRET = config.BLOG_CLIENT_SECRET;

/**
 * Make a GET request of Ghost's public API
 * @return {promise} - which resolves into the response
 *
 * @param {string} endpoint : see https://api.ghost.org/docs/posts
 * @param {object} params : value depends on the endpoint used. see docs.
 */
function getFromPublicAPI (endpoint = '', params = {})
{
  if (endpoint === '') { return Promise.resolve(''); }

  // merge user, pass, and params into a string
  let paramString = 'client_id=' + CLIENT_ID + '&client_secret=' + CLIENT_SECRET +
                    '&' +
                    Object.keys(params).map(
                      (k) => encodeURIComponent(k) + '=' + encodeURIComponent(params[k])
                    ).join('&');

  return new Promise((resolve, reject) =>
  {
    https.get(
      PUBLIC_URL + '/' + endpoint + '/?' + paramString,
      (resp) =>
      {
        let data = '';
        // A chunk of data has been recieved.
        resp.on('data', (chunk) => { data += chunk; });
        // The whole response has been received. Do something with it
        resp.on('end', () => { resolve(JSON.parse(data)); });
      }
    ).on('error', (err) => { reject(err); });
  });
}

/**
 * Not implemented yet
 * I am unconvinced that this needs to be a class
 * I include both here in case I wish to go this route some day
 */
// class Ghost
// {
//   constructor (endpoint = '', params = {})
//   {
//     this.response = '';
//     getFromPublicAPI(endpoint, params)
//       .then((res) => { this.response = res; })
//       .catch((err) => { console.log(err); });
//   };
// }

module.exports = {
//  Ghost: Ghost,
  ghostAPI: getFromPublicAPI
};