Photos-Dropbox-Sync.js

#!/usr/bin/env osascript -l JavaScript

function pathjoin() {
  var arr = Array.prototype.slice.call(arguments);
  var dest = $.NSString.pathWithComponents(ObjC.wrap(arr));
  return ObjC.unwrap(dest);
}

var HOMEDIR = ObjC.unwrap($.NSHomeDirectory());

function run(input, parameters) {
  if (input.length < 2) {
    console.log("PhotosDropbox <Source Album> <Dropbox Path>");
    return [];
  }

  var Photos = Application("Photos");

  console.log("Getting album:", input[0])

  var album = Photos.albums[input[0]];

  console.log("Have album:", album.id());

  var DEST = pathjoin(HOMEDIR, 'Dropbox', input[1]);

  console.log(DEST)

  var fm = $.NSFileManager.defaultManager;

  var itemsToSync = album.mediaItems().filter(function (item) {
    if (!item.favorite())
      return false;

    var fpath = pathjoin(DEST, item.filename());

    var exists = ObjC.unwrap(fm.fileExistsAtPath(fpath));

    return !exists;
  });

  console.log("Syncing", itemsToSync.length, "Items");

  Photos.export(itemsToSync, {
    to: Path(DEST)
  });

  console.log("Exported");

  return [];
}