homehost | self-hosted , Netflix-like app | Video Utils library

var fs = require('fs');
var node_dir = require('node-dir');
var bluebird = require('bluebird');
var moviesClient = new ApiClient(...)
var musicClient = new ApiClient(...)
var lib = require('./index.js');

var generateMovieMetaData = async function(){
  var json = { movies: [] };

  node_dir.files(path, function(err, files) {

    bluebird.mapSeries(files, function(file){

    return moviesClient.send(new lib.requests.Movie(file))
       .then((movie) => {
      // movie is json
      /* do some loops and work with the movie json*/
      json.movies.push(movie);
       });
    })
    .then(function(movies){
      fs.writeFile('./movies.json', JSON.stringify(json), 'utf8', (err)=>{
         if(err) console.log(err)
         else { 
          console.log('File saved');
          }
      })
      return json; // go to the next function if any
    })
    .catch(function(err){
      console.log("Movie metadata could not be generated due to some error", err);
    });
  });
};

var generateMusicMetaData = async function(){
  var json = { music: [] };

  node_dir.subdirs(config.music.path, function(err, subdirs) {
    if (err) throw err;

    bluebird.mapSeries(subdirs, function(dir){

    return musicClient.send(new lib.requests.Album(dir))
      .then((album) => {
      // album is json
      /* do some loops and work with the album json*/
      json.music.push(album);
      });
    })
    .then(function(music){
      fs.writeFile('./music.json', JSON.stringify(json), 'utf8', (err)=>{
         if(err) console.log(err)
         else { 
          console.log('File saved');
          }
      })
      return json; // go to the next function if any
    })
    .catch(function(err){
      console.log("Album metadata could not be generated due to some error", err);
    });
  });
};