subcategories filter

gistfile1.txt

app.filter('subcategories', function() {

  return function(movies, categories) {
    var matching = [];

    _.each(movies, function(movie) {
      var missingTags = (_.difference(categories, movie.subcategoryList).length > 0);
      if (!missingTags) matching.push(movie);
    });

    return matching;
  };
});