public async Task <IActionResult> Beverages(string storeCitySearchString)
        {
            List <Store> stores = await beerData.FindStoresAndAgentsByCity(storeCitySearchString);

            List <Beverage> beverages = new List <Beverage>();

            if (stores == null)
            {
                //If no store is selected then it shows all beverages in the list
                beverages = await beerData.RetrieveBeveragesList();
            }
            else
            {
                //Goes through all the stores in specified town to retrieve the list
                beverages.AddRange(beerData.RetrieveBeveragesInStores(stores));
            }



            return(View(new BeverageSearchViewModel {
                Beverages = beverages
            }));
        }