/// <summary> /// helper method to get a valid positive integer from the user /// </summary> /// <param name="maxAttempts">maximum number of attempts</param> /// <param name="userPrompt">user prompt</param> /// <param name="validInput">indicates valid user input</param> /// <returns></returns> public static string GetYesNoFromUser(int maxAttempts, string userPrompt, out bool maxAttemptsExceeded) { bool validInput = false; maxAttemptsExceeded = false; string userResponse = ""; int attempts = 1; while (!validInput && !maxAttemptsExceeded) { ConsoleUtil.DisplayPromptMessage($"{userPrompt} [Yes / No] "); userResponse = Console.ReadLine(); ConsoleUtil.DisplayMessage(""); // // input is valid // if (userResponse.ToUpper() == "YES" || userResponse.ToUpper() == "NO") { validInput = true; } // // input is invalid, but more attempts available // else { ConsoleUtil.DisplayMessage($"You entered: {userResponse}"); ConsoleUtil.DisplayMessage($"\"{userResponse}\" is not a valid response."); // // more attempts available // if (attempts < maxAttempts) { ConsoleUtil.DisplayMessage($"Please enter either \"Yes\" or \"No\"."); ConsoleUtil.DisplayMessage("Press any key to try again."); } // // all attempts used // else { ConsoleUtil.DisplayMessage("It appears you have exceeded the maximum number of attempts allowed."); ConsoleUtil.DisplayMessage("Press any key to continue."); maxAttemptsExceeded = true; } Console.ReadKey(); Console.Clear(); } attempts++; } return(userResponse); }
/// <summary> /// get the next city to travel to from the user /// </summary> /// <returns>string City</returns> public string DisplayGetNextCity() { string nextCity = ""; ConsoleUtil.HeaderText = "Travel"; ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayPromptMessage("Enter the name of the next city:"); nextCity = Console.ReadLine(); return(nextCity); }
/// <summary> /// displays the current inventory /// </summary> public void DisplayInventory(Salesperson salesperson, Product units) { ConsoleUtil.HeaderText = "Current Inventory"; ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayMessage("Products:"); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayPromptMessage($"\t- {salesperson.CurrentStock.Type}, # of units: {units.NumberOfUnits.ToString()}"); ConsoleUtil.DisplayMessage(""); DisplayContinuePrompt(); }
/// <summary> /// allows the user to update their account information /// </summary> public Salesperson DisplayUpdateAcountInfo(Salesperson salesperson, out bool maxAttemptsExceeded) { string userResponse; bool editingAccount = true; maxAttemptsExceeded = false; ConsoleUtil.HeaderText = "Update Account"; ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayMessage(" NOTE: You cannot change the number units here. Use the Buy/Sell options \nfrom the main menu to do that."); DisplayContinuePrompt(); while (editingAccount) { ConsoleUtil.HeaderText = "Update Account"; ConsoleUtil.DisplayReset(); // // displays current account info wihtout cities and number of units // #region Current Account Info ConsoleUtil.DisplayMessage("Current account info:"); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayMessage("First Name: " + salesperson.FirstName); ConsoleUtil.DisplayMessage("Last Name: " + salesperson.LastName); ConsoleUtil.DisplayMessage("Account ID: " + salesperson.AccountID); ConsoleUtil.DisplayMessage("Starting City: " + salesperson.StartingCity); ConsoleUtil.DisplayMessage("Product Type: " + salesperson.CurrentStock.Type); #endregion ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayMessage("Please select a corresonding number to change that part of your account."); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayPromptMessage("1)First Name | 2)Last Name | 3)Account ID | 4)Starting City | 5)Product"); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayPromptMessage("Enter your choice here: "); userResponse = Console.ReadLine(); ConsoleUtil.DisplayMessage(""); // // get a valid answer form user // while (userResponse != "1" && userResponse != "2" && userResponse != "3" && userResponse != "4" && userResponse != "5") { ConsoleUtil.HeaderText = "Invalid Input"; ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayPromptMessage("1)First Name | 2)Last Name | 3)Account ID | 4)Starting City | 5)Product"); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayPromptMessage("Please enter a correct corresponding number: "); userResponse = Console.ReadLine(); if (userResponse == "1" && userResponse == "2" && userResponse == "3" && userResponse == "4" && userResponse == "5") { break; } } // // edit account info // switch (userResponse) { case "1": ConsoleUtil.HeaderText = "Update First Name"; ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayPromptMessage("Enter your new first name: "); salesperson.FirstName = Console.ReadLine(); ConsoleUtil.DisplayMessage(""); break; case "2": ConsoleUtil.HeaderText = "Update Last Name"; ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayPromptMessage("Enter your new last name: "); salesperson.LastName = Console.ReadLine(); ConsoleUtil.DisplayMessage(""); break; case "3": ConsoleUtil.HeaderText = "Update Account ID"; ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayPromptMessage("Enter your new Account ID: "); salesperson.AccountID = Console.ReadLine(); ConsoleUtil.DisplayMessage(""); break; case "4": ConsoleUtil.HeaderText = "Update Starting City"; ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayPromptMessage("Enter your new starting city: "); salesperson.StartingCity = Console.ReadLine(); ConsoleUtil.DisplayMessage(""); break; case "5": ConsoleUtil.HeaderText = "Update Product Type"; ConsoleUtil.DisplayReset(); Product.ProductType productType; ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayPromptMessage("Enter you new product selection: "); // // get new product type from user // if (Enum.TryParse <Product.ProductType>(UppercaseFirst(Console.ReadLine()), out productType)) { salesperson.CurrentStock.Type = productType; } else { ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayMessage("Seems like you entered an invalid product type."); ConsoleUtil.DisplayMessage("By default, your product type has been set to None."); salesperson.CurrentStock.Type = Product.ProductType.None; DisplayContinuePrompt(); } break; default: break; } ConsoleUtil.HeaderText = "Update Account"; ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayMessage("Your account has been updated!"); ConsoleUtil.DisplayMessage(""); userResponse = ConsoleValidator.GetYesNoFromUser(MAXIMUM_ATTEMPTS, "\tWould you like to make more changes or continue on?", out maxAttemptsExceeded); if (maxAttemptsExceeded) { ConsoleUtil.DisplayMessage("Max attempts exceeded! You will now be returned to the main menu."); return(salesperson); } else if (userResponse.ToUpper() == "YES") { editingAccount = true; } else { editingAccount = false; return(salesperson); } } return(salesperson); }
/// <summary> /// setup the new salesperson object with the initial data /// Note: To maintain the pattern of only the Controller changing the data this method should /// return a Salesperson object with the initial data to the controller. For simplicity in /// this demo, the ConsoleView object is allowed to access the Salesperson object's properties. /// </summary> public Salesperson DisplaySetupAccount() { Salesperson salesperson = new Salesperson(); Product.ProductType productType; int numberOfUnits; ConsoleUtil.HeaderText = "Account Setup"; ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayMessage("Setup your account now."); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayPromptMessage("Enter your first name: "); salesperson.FirstName = Console.ReadLine(); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayPromptMessage("Enter your last name: "); salesperson.LastName = Console.ReadLine(); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayPromptMessage("Enter your account ID: "); salesperson.AccountID = Console.ReadLine(); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayPromptMessage("Enter your Starting City: "); salesperson.StartingCity = Console.ReadLine(); ConsoleUtil.DisplayMessage(""); ConsoleUtil.HeaderText = "Account Setup"; ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayMessage("Please select which type of product you want to work with from below."); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayMessage("Product Types:"); ConsoleUtil.DisplayMessage(""); Console.Write( "\t- Gilded" + Environment.NewLine + "\t- Spiked" + Environment.NewLine + "\t- Colorful" + Environment.NewLine + "\t- Vintage" + Environment.NewLine + "\t- Striped" + Environment.NewLine + "\t- Used" + Environment.NewLine); ConsoleUtil.DisplayMessage(""); ConsoleUtil.DisplayPromptMessage("Enter product selection: "); // // get product type from user // if (Enum.TryParse <Product.ProductType>(UppercaseFirst(Console.ReadLine()), out productType)) { salesperson.CurrentStock.Type = productType; } else { ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayMessage("Seems like you entered an invalid product type."); ConsoleUtil.DisplayMessage("By default, your product type has been set to None."); salesperson.CurrentStock.Type = Product.ProductType.None; DisplayContinuePrompt(); } // // get number of products in inventory // ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayMessage($"You have selected {productType} as your product type."); if (ConsoleValidator.TryGetIntegerFromUser(MINIMUM_BUYSELL_AMOUNT, MAXIMUM_BUYSELL_AMOUNT, MAXIMUM_ATTEMPTS, $"{productType} products to add to your inventory", out numberOfUnits)) { ConsoleUtil.DisplayReset(); salesperson.CurrentStock.AddProducts(numberOfUnits); ConsoleUtil.DisplayMessage($"Thank you! {numberOfUnits} {productType} products are now in your inventory!"); DisplayContinuePrompt(); } else { ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayMessage("Maximum attempts exceeded!"); ConsoleUtil.DisplayMessage($"By default, the number of {productType} products in your inventory are now set to zero."); salesperson.CurrentStock.AddProducts(0); DisplayContinuePrompt(); } ConsoleUtil.DisplayReset(); ConsoleUtil.DisplayMessage("Your account is now setup!"); DisplayContinuePrompt(); return(salesperson); }
/// <summary> /// helper method to get a valid integer from the user within a range /// </summary> /// <param name="minValue">inclusive minimum value</param> /// <param name="maxValue">inclusive maximum value</param> /// <param name="maxAttempts">maximum number of attempts</param> /// <param name="pluralName">plural name of item</param> /// <param name="validInput">indicates valid user input</param> /// <returns></returns> public static bool TryGetIntegerFromUser(int minValue, int maxValue, int maxAttempts, string pluralName, out int userInteger) { bool validInput = false; bool maxAttemptsExceeded = false; string userResponse; string feedbackMessage = ""; int attempts = 1; userInteger = 0; while (!validInput && !maxAttemptsExceeded) { // // more attempts available // if (attempts <= maxAttempts) { ConsoleUtil.DisplayPromptMessage($"Enter a number, between {minValue} and {maxValue}, of {pluralName}: "); userResponse = Console.ReadLine(); ConsoleUtil.DisplayMessage(""); // // input is an Integer // if (int.TryParse(userResponse, out userInteger)) { // // input is in range // if (userInteger >= minValue && userInteger <= maxValue) { validInput = true; } // // input is not in range // else { feedbackMessage = $"The number {userInteger} is not in the specified range."; } } // // input is not an Integer // else { feedbackMessage = $"{userResponse} is not an integer."; } if (!validInput && attempts <= maxAttempts) { ConsoleUtil.DisplayMessage($"You entered: {userResponse}"); ConsoleUtil.DisplayMessage(feedbackMessage); if (attempts < maxAttempts) { ConsoleUtil.DisplayMessage($"Please enter an integer between {minValue} and {maxValue}."); ConsoleUtil.DisplayMessage("Press any key to try again."); Console.ReadKey(); } else { ConsoleUtil.DisplayMessage("It appears you have exceeded the maximum number of attempts allowed."); ConsoleUtil.DisplayMessage("Press any key to continue."); Console.ReadKey(); } Console.Clear(); } else { ConsoleUtil.DisplayMessage(""); } attempts++; } else { maxAttemptsExceeded = true; } } return(validInput); }