/// <summary>
/// Add child input menu
/// </summary>
/// <param name="id">Input menu ID to assign to a handler</param>
/// <param name="header">Display text when entering menu</param>
/// <returns>Instance of created menu</returns>
public InputMenu AddInputMenu(string id, string header)
{
InputMenu inputMenu = new InputMenu(id, header, this);
childMenus.Add(inputMenu);
return(inputMenu);
}
static void Main(string[] args)
{
// Handle unsafe exit somewhat gracefully
Console.CancelKeyPress += Console_CancelKeyPress;
// Header/banner information
Console.WriteLine("MATES RATES RENT-A-CAR");
Console.WriteLine("Where you rent a car for cheap and don't even need to return it with a full tank");
Console.WriteLine();
Console.WriteLine("Press 'q' to quit and save. Press 'h' to go home to the main menu. Press 'p' to go to the parent menu.");
Console.WriteLine();
// Initial name prompt
string name = "";
do
{
if (name.Length == 1)
{
Console.WriteLine("C'mon, your name surely has at least two letters...");
}
Console.WriteLine("Let's begin, what's your name?");
Console.Write("$ ");
name = Console.ReadLine().Trim();
Console.WriteLine();
} while (name == "" || name.Length == 1);
Console.WriteLine("Welcome to MMRC, {0}", name);
Console.WriteLine();
// Parse given arguments
string customerFile = null;
string vehicleFile = null;
string rentalFile = null;
// Assign values
if (args.Length > 0)
{
customerFile = args[0];
}
if (args.Length > 1)
{
vehicleFile = args[1];
}
if (args.Length > 2)
{
rentalFile = args[2];
}
// Let the user know if defaults are being used
if (customerFile == null)
{
Console.WriteLine("Using default customer file in data directory...");
}
if (vehicleFile == null)
{
Console.WriteLine("Using default vehicle file in data directory...");
}
if (rentalFile == null)
{
Console.WriteLine("Using default rental file in data directory...");
}
Console.WriteLine();
// Load in model data
CRMRepository crmRepository = new CRMRepositoryFactory(customerFile).GetRepo();
Program.crmRepository = crmRepository;
FleetRepository fleetRepository = new FleetRepositoryFactory(vehicleFile, rentalFile).GetRepo();
Program.fleetRepository = fleetRepository;
// Validate files are readable
try
{
crmRepository.entityParser.LoadAll();
fleetRepository.vehicleEntityParser.LoadAll();
fleetRepository.rentalEntityParser.LoadAll();
}
catch (Exception e)
{
// Close the program and let the user know what is wrong
Console.WriteLine(e.Message);
Console.WriteLine("Exiting the program now... Remove this arg to use the default directory instead.");
System.Threading.Thread.Sleep(5000);
Environment.Exit(0);
}
// Input validators
VehicleRegoValidator vehicleRegoValidator = new VehicleRegoValidator();
CustomerIDValidator customerIDValidator = new CustomerIDValidator();
NumSeatValidator numSeatValidator = new NumSeatValidator();
GPSValidator gpsValidator = new GPSValidator();
SunRoofValidator sunRoofValidator = new SunRoofValidator();
DailyRateValidator dailyRateValidator = new DailyRateValidator();
YearValidator yearValidator = new YearValidator();
NumDayValidator numDayValidator = new NumDayValidator();
// Handlers
AddCustomerHandler addCustomerHandler = new AddCustomerHandler(crmRepository);
EditCustomerHandler editCustomerHandler = new EditCustomerHandler(crmRepository, fleetRepository);
DeleteCustomerHandler deleteCustomerHandler = new DeleteCustomerHandler(crmRepository, fleetRepository);
AddVehicleHandler addVehicleHandler = new AddVehicleHandler(fleetRepository);
EditVehicleHandler editVehicleHandler = new EditVehicleHandler(fleetRepository);
DeleteVehicleHandler deleteVehicleHandler = new DeleteVehicleHandler(fleetRepository);
RentVehicleHandler rentVehicleHandler = new RentVehicleHandler(fleetRepository, crmRepository);
ReturnVehicleHandler returnVehicleHandler = new ReturnVehicleHandler(fleetRepository);
SearchVehicleHandler searchVehicleHandler = new SearchVehicleHandler(fleetRepository);
// Menus
OptionMenu mainMenu = new OptionMenu(null, "Enter a number to select a function from the list below");
// Customer Menus
OptionMenu crmMenu = mainMenu.AddOptionMenu("Please select a number below");
mainMenu.AddOption("Customer Management", crmMenu);
// View all customers
CustomerTable customerTable = (CustomerTable)crmMenu.AddTable(TableType.Customer, crmRepository);
crmMenu.AddOption("View All Customers", customerTable);
// Add customer
InputMenu addCustomerMenu = crmMenu.AddInputMenu("AddCustomer", "Please fill out the following fields (* = required)");
crmMenu.AddOption("Add Customer", addCustomerMenu);
addCustomerMenu.AddInput("Title*");
addCustomerMenu.AddInput("First Name*");
addCustomerMenu.AddInput("Last Name*");
addCustomerMenu.AddInput("Gender (male, female or other)*");
addCustomerMenu.AddInput("DoB (dd/mm/yyyy)*");
// Edit customer
InputMenu editCustomerMenu = crmMenu.AddInputMenu("EditCustomer", "Please enter the ID of the customer to edit, followed by the " +
"new data (leave blank to retain current information)");
crmMenu.AddOption("Edit Customer", editCustomerMenu);
editCustomerMenu.AddInput("Customer ID", customerIDValidator);
editCustomerMenu.AddInput("New ID (leave blank for current)", customerIDValidator, true);
editCustomerMenu.AddInput("Title");
editCustomerMenu.AddInput("First Name");
editCustomerMenu.AddInput("Last Name");
editCustomerMenu.AddInput("Gender (male, female or other)");
editCustomerMenu.AddInput("DoB (dd/mm/yyyy)");
// Delete customer
InputMenu deleteCustomerMenu = crmMenu.AddInputMenu("DeleteCustomer", "Please enter the ID of the customer you want to delete");
crmMenu.AddOption("Delete Customer", deleteCustomerMenu);
deleteCustomerMenu.AddInput("Customer ID", customerIDValidator);
// Fleet management
OptionMenu fleetMenu = mainMenu.AddOptionMenu("Please select a number below");
mainMenu.AddOption("Fleet Management", fleetMenu);
// View vehicles
FleetTable fleetTable = (FleetTable)fleetMenu.AddTable(TableType.Fleet, fleetRepository);
fleetMenu.AddOption("View Fleet", fleetTable);
// Add vehicle
InputMenu addVehicleMenu = fleetMenu.AddInputMenu("AddVehicle", "Please fill out the following fields (* = required)");
fleetMenu.AddOption("Add Vehicle", addVehicleMenu);
addVehicleMenu.AddInput("Registration*", vehicleRegoValidator);
addVehicleMenu.AddInput("Grade*");
addVehicleMenu.AddInput("Make*");
addVehicleMenu.AddInput("Model*");
addVehicleMenu.AddInput("Year*", yearValidator);
addVehicleMenu.AddInput(string.Format("Num Seats ({0} - {1})", Vehicle.Min_Num_Seats, Vehicle.Max_Num_Seats), numSeatValidator, true);
addVehicleMenu.AddInput("Transmission (automatic or manual)");
addVehicleMenu.AddInput("Petrol (petrol or diesel)");
addVehicleMenu.AddInput("GPS (yes or no)", gpsValidator, true);
addVehicleMenu.AddInput("Sunroof (yes or no)", sunRoofValidator, true);
addVehicleMenu.AddInput("Daily Rate (eg: 50, 78.65, etc)", dailyRateValidator, true);
addVehicleMenu.AddInput("Colour");
// Edit vehicle
InputMenu editVehicleMenu = fleetMenu.AddInputMenu("EditVehicle", "Please enter the registration of the vehicle to edit, followed by " +
"the new data (leave blank to retain current information)");
fleetMenu.AddOption("Edit Vehicle", editVehicleMenu);
editVehicleMenu.AddInput("Current Registration*", vehicleRegoValidator);
editVehicleMenu.AddInput("New Registration (leave blank for current)", vehicleRegoValidator, true);
editVehicleMenu.AddInput("Grade");
editVehicleMenu.AddInput("Make");
editVehicleMenu.AddInput("Model");
editVehicleMenu.AddInput("Year", yearValidator, true);
editVehicleMenu.AddInput("Num Seats (2 - 10)", numSeatValidator, true);
editVehicleMenu.AddInput("Transmission (automatic or manual)");
editVehicleMenu.AddInput("Petrol (petrol or diesel)");
editVehicleMenu.AddInput("GPS (yes or no)", gpsValidator, true);
editVehicleMenu.AddInput("Sunroof (yes or no)", sunRoofValidator, true);
editVehicleMenu.AddInput("Daily Rate (eg: 50, 78.65, etc)", dailyRateValidator, true);
editVehicleMenu.AddInput("Colour");
// Delete vehicle
InputMenu deleteVehicleMenu = fleetMenu.AddInputMenu("DeleteVehicle", "Please enter the registration of the vehicle you want to delete");
fleetMenu.AddOption("Delete Vehicle", deleteVehicleMenu);
deleteVehicleMenu.AddInput("Registration");
// Rental menu
OptionMenu rentalMenu = mainMenu.AddOptionMenu("Please select a number below");
mainMenu.AddOption("Rental Management", rentalMenu);
// View rentals
RentalTable rentalTable = (RentalTable)rentalMenu.AddTable(TableType.Rental, fleetRepository);
rentalMenu.AddOption("View Rentals", rentalTable);
// Search
InputMenu searchMenu = rentalMenu.AddInputMenu("SearchVehicle", "Please enter your search query");
rentalMenu.AddOption("Search Vehicle", searchMenu);
searchMenu.AddInput("Search*");
// Rent vehicle
InputMenu rentVehicleMenu = rentalMenu.AddInputMenu("RentVehicle", "Please enter the information of the vehicle and " +
"customer you want to rent to");
rentalMenu.AddOption("Rent Vehicle", rentVehicleMenu);
rentVehicleMenu.AddInput("Customer ID*", customerIDValidator);
rentVehicleMenu.AddInput("Registration*", vehicleRegoValidator);
rentVehicleMenu.AddInput("Number of days*", numDayValidator);
// Return vehicle
InputMenu returnVehicleMenu = rentalMenu.AddInputMenu("ReturnVehicle", "Enter the registration of the vehicle to return");
rentalMenu.AddOption("Return Vehicle", returnVehicleMenu);
returnVehicleMenu.AddInput("Registration*", vehicleRegoValidator);
// Refresh tables for good measure
customerTable.Refresh();
fleetTable.Refresh();
rentalTable.Refresh();
// Set current menu to main menu
BasicDisplayable currentDisplay = mainMenu;
// Inital display and prompt separate from loop
currentDisplay.Print();
Console.Write("{0}@MMRC$ ", name);
string action = Console.ReadLine();
if (action == null)
{
return;
}
action = action.Trim();
Console.WriteLine();
do
{
// Handle worst case scenario of no menu being present
if (currentDisplay == null)
{
Console.WriteLine("Critical error - taking you back to the main menu");
currentDisplay = mainMenu;
}
// Handle core helper inputs first
if (action.ToLower() == "q")
{
Console.WriteLine("It is sad to see you go... But don't worry - everything is being saved as we speak!");
System.Threading.Thread.Sleep(1000); // Sleep to give the user a chance to read the message
crmRepository.Flush();
fleetRepository.Flush();
Environment.Exit(0);
}
if (action.ToLower() == "h")
{
Console.WriteLine("Got it chief! Taking you back to the main menu.");
Console.WriteLine();
currentDisplay = mainMenu;
}
if (action.ToLower() == "p")
{
Menu currentMenu = (Menu)currentDisplay;
if (currentMenu != null && currentMenu.parentMenu != null)
{
currentDisplay = currentMenu.parentMenu;
}
}
// Display option menu
if (currentDisplay.GetType() == typeof(OptionMenu))
{
OptionMenu currentMenu = (OptionMenu)currentDisplay;
InputValidator optionSelectionValidator = new OptionSelectionValidator(currentMenu.items);
// Try to parse selected option and navigate to child menu
try
{
optionSelectionValidator.Validate(action);
int selectedValue = int.Parse(action) - 1; // Account for alternate indexing
Option selectedOption = currentMenu.items.ElementAt(selectedValue);
currentDisplay = selectedOption.childMenu;
}
catch (Exception e)
{
// Don't input an error message for action keys or a blank input
if (action != "" && action.ToLower() != "q" && action.ToLower() != "h" && action.ToLower() != "p")
{
Console.WriteLine(e.Message);
Console.WriteLine();
}
}
// Input menus usually result from option menus
// Attempt to catch errors as input is passed to field validators
try
{
currentDisplay.Print();
}
catch (Exception e)
{
// Write friendly message
Console.WriteLine();
Console.WriteLine(e.Message);
Console.WriteLine();
// Take them back to the main menu and let them know where they are at
currentDisplay = mainMenu;
currentDisplay.Print();
}
}
// Display input menu
if (currentDisplay.GetType() == typeof(InputMenu))
{
InputMenu currentMenu = (InputMenu)currentDisplay;
List <Input> items = currentMenu.items;
List <string> answers = currentMenu.answers;
// Match current input menu to the appropriate handler
switch (currentMenu.id)
{
case "AddCustomer":
addCustomerHandler.Handle(items, answers);
break;
case "EditCustomer":
editCustomerHandler.Handle(items, answers);
break;
case "DeleteCustomer":
deleteCustomerHandler.Handle(items, answers);
break;
case "AddVehicle":
addVehicleHandler.Handle(items, answers);
break;
case "EditVehicle":
editVehicleHandler.Handle(items, answers);
break;
case "DeleteVehicle":
deleteVehicleHandler.Handle(items, answers);
break;
case "RentVehicle":
rentVehicleHandler.Handle(items, answers);
break;
case "ReturnVehicle":
returnVehicleHandler.Handle(items, answers);
break;
case "SearchVehicle":
searchVehicleHandler.Handle(items, answers);
break;
default:
Console.WriteLine("Something has gone wrong.");
Console.WriteLine();
break;
}
currentDisplay = currentMenu.parentMenu;
currentDisplay.Print();
}
// Display table
if (currentDisplay.GetType().IsSubclassOf(typeof(Table)))
{
Table currentTable = (Table)currentDisplay;
currentDisplay = currentTable.parentMenu;
currentDisplay.Print();
}
// Prompt for next set of input
Console.Write("{0}@MMRC$ ", name);
action = Console.ReadLine();
if (action == null)
{
return;
}
action = action.Trim();
Console.WriteLine();
// Refresh the tables in case an action occurs during this iteration
customerTable.Refresh();
fleetTable.Refresh();
rentalTable.Refresh();
} while (action != null);
}
