static void Main(string[] args) { //Creates a new connection to the Database BeverageJKoehlerEntities bevEntities = new BeverageJKoehlerEntities(); //Create an instance of the UserInterface class UserInterface userInterface = new UserInterface(); //Create an instance of the WineItemCollection class IWineCollection wineItemCollection = new WineItemCollection(bevEntities); //Display the Welcome Message to the user userInterface.DisplayWelcomeGreeting(); //Display the Menu and get the response. Store the response in the choice integer //This is the 'primer' run of displaying and getting. int choice = userInterface.DisplayMenuAndGetResponse(); while (choice != 7) { switch (choice) { case 1: //Check the Database Connection. if (bevEntities != null) { //Display Success Message userInterface.DisplayImportSuccess(); } else { //Display Fail Message userInterface.DisplayImportError(); } break; case 2: //Print Entire List Of Items string[] allItems = wineItemCollection.GetPrintStringsForAllItems(); if (allItems.Length > 0) { //Display all of the items userInterface.DisplayAllItems(allItems); } else { //Display error message for all items userInterface.DisplayAllItemsError(); } break; case 3: //Search For An Item string searchQuery = userInterface.GetSearchQuery(); string itemInformation = wineItemCollection.FindById(searchQuery); if (itemInformation != null) { userInterface.DisplayItemFound(itemInformation); } else { userInterface.DisplayItemFoundError(); } break; case 4: //Add A New Item To The List string[] newItemInformation = userInterface.GetNewItemInformation(); if (wineItemCollection.FindById(newItemInformation[0]) == null) { wineItemCollection.AddNewItem(newItemInformation[0], newItemInformation[1], newItemInformation[2], newItemInformation [3], newItemInformation[4]); userInterface.DisplayAddWineItemSuccess(); } else { userInterface.DisplayItemAlreadyExistsError(); } break; //Update an existing item in the database case 5: string[] updatedItemInformation = userInterface.GetNewItemInformation(); if (wineItemCollection.FindById(updatedItemInformation[0]) == null) { userInterface.DisplayItemFoundError(); } else { wineItemCollection.UpdateItem(updatedItemInformation[0], updatedItemInformation[1], updatedItemInformation[2], updatedItemInformation[3], updatedItemInformation[4]); } break; //Remove an existing item from the database case 6: string itemToRemove = userInterface.DisplayItemRemovalDialogue(); wineItemCollection.RemoveItem(itemToRemove); break; } //Get the new choice of what to do from the user choice = userInterface.DisplayMenuAndGetResponse(); } }