code: function (shopId, locale) {
  
                  shopId = shopId || this.$.shopId;
                  locale = locale || this.$.locale;
  
                  var properties = {
                      shopId: shopId
                  };
  
                  if (locale) {
                      properties.locale = locale;
                  }
  
                  return this.getContext(properties);
              }
docs: *
  returns the context for the shop
  
  @param {String} [shopId]
  @param [locale]
  @return {RestDataSource.Context}