示例#1
0
        static void Main(string[] args)
        {
            //Create an instance of the UserInterface class
            UserInterface userInterface = new UserInterface();

            //Create an instance of the WineItemCollection class
            WineItemCollection wineItemCollection = new WineItemCollection();

            //Display the Welcome Message to the user
            userInterface.DisplayWelcomeGreeting();

            Console.BufferHeight = 5000;
            Console.BufferWidth  = 150;

            //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:
                    userInterface.DisplayImportSuccess();
                    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.GetItemInformation();
                    // Convert the price to a decimal:
                    decimal price = Convert.ToDecimal(newItemInformation[3]);
                    // Set a boolean to hold whether the item is active:
                    bool active = false;
                    // If the input was Y for yes, set active to true:
                    if (newItemInformation[4] == "Y")
                    {
                        active = true;
                    }
                    // Send info to WineItemCollection to add a new item:
                    if (wineItemCollection.AddNewItem(newItemInformation[0], newItemInformation[1], newItemInformation[2], price, active))
                    {
                        userInterface.DisplayAddWineItemSuccess();
                    }
                    else
                    {
                        userInterface.DisplayItemAlreadyExistsError();
                    }
                    break;

                case 5:
                    // Update an item in the list:
                    string idUpdate = userInterface.GetUpdateId();
                    if (wineItemCollection.UpdateBeverageItem(idUpdate))
                    {
                        userInterface.DisplayItemUpdateSuccess();
                    }
                    else
                    {
                        userInterface.DisplayItemUpdateError();
                    }
                    break;

                case 6:
                    // Delete an item from the list:
                    string idDelete = userInterface.GetDeleteId();
                    if (wineItemCollection.DeleteBeverageItem(idDelete))
                    {
                        userInterface.DisplayItemDeleteSuccess();
                    }
                    else
                    {
                        userInterface.DisplayItemDeleteError();
                    }
                    break;
                }

                //Get the new choice of what to do from the user
                choice = userInterface.DisplayMenuAndGetResponse();
            }
        }