gistfile1.txt

App.LocationEditController = Em.ObjectController.extend({
  productList: [],
  unassignedProducts: (function() {
    var res;
    res = this.store.find('product').then((function(_this) {
      return function(products) {
        return _this.store.find('locationProduct', {
          by_location_id: 1
        }).then(function(locationProducts) {
          var productIds;
          productIds = locationProducts.getEach('product.id');
          return products.filter(function(product) {
            return !productIds.contains(product.id);
          });
        });
      };
    })(this));
    console.log("result", res);
    return res;
  }).property()
});