public void Start() { do { Console.WriteLine("What would you like to do?"); for (int i = 0; i < options.Length; i++) { Console.WriteLine($"[{i}] - {options[i]}"); } userInput = Console.ReadLine(); switch (userInput) { //Exit case "0": break; //Create a brewery case "1": string breweryId = Guid.NewGuid().ToString(); Brewery brewery = GetCreatedBrewery(breweryId); User manager = GetCreatedManager(breweryId); ManagersJoint managers = new ManagersJoint() { ID = Guid.NewGuid().ToString(), BreweryID = brewery.ID, Brewery = brewery, User = manager }; adminService.AddBreweryManager(managers); break; //Get managers case "2": Console.WriteLine(); Console.WriteLine("Here is a list of all managers:"); foreach (var mgr in adminService.GetAllManagers()) { Console.WriteLine($"{mgr.FName} {mgr.LName}"); } Console.WriteLine(); break; default: Console.WriteLine("Invalid Input"); break; } }while(!(userInput == "0")); }