/// <summary>
/// The actual execution of editing a vehicle.
/// Resolve and check for business logic constraints before equalising values and letting the user know it was successful.
/// </summary>
/// <param name="args">List of user-defined inputs</param>
protected override void Execute(List <string> args)
{
PropertyInfo[] vehicleProperties = typeof(Vehicle).GetProperties();
Vehicle existingVehicle = ResolveVehicle(args);
List <string> trimmedArgs = TrimArguments(args);
DefaultArguments(ref trimmedArgs, vehicleProperties, existingVehicle);
Vehicle validatedVehicle = CreateNewVehicle(trimmedArgs);
// Ensure vehicle isn't being rented
Fleet fleet = repository.Get();
Vehicle vehicle = fleet.GetVehicle(validatedVehicle.vehicleRego);
if (fleet.IsVehicleRented(vehicle.vehicleRego))
{
throw new VehicleCurrentlyRentingException(string.Format("{0} is currently being rented and cannot be edited.",
vehicle.vehicleRego));
}
ValidateConstraints(existingVehicle, validatedVehicle);
EqualiseVehicles(existingVehicle, validatedVehicle);
Console.WriteLine("Successfully edited vehicle {0} {1} {2} (Registration = {3}).", validatedVehicle.year, validatedVehicle.make,
validatedVehicle.model, validatedVehicle.vehicleRego);
Console.WriteLine();
}
/// <summary>
/// Search vehicles to rent from user input
/// </summary>
/// <param name="args">List of user-input arguments</param>
protected override void Execute(List <string> args)
{
// Setup variables
string text = args[0];
Fleet fleet = repository.Get();
ArrayList attributes = fleet.GetAttributes();
// Set up attribute list
attributeSets = new SortedList();
foreach (string attribute in attributes)
{
attributeSets.Add(attribute.ToUpper(), new HashSet <string>());
}
// Add vehicles to attribute list
foreach (Vehicle vehicle in fleet.vehicles)
{
if (!fleet.IsVehicleRented(vehicle.vehicleRego))
{
InsertVehicle(vehicle);
}
}
// Perform lookup
getQuery(text, out ArrayList query);
string[] results = search(new SearchAlgorithm(query, attributes));
// Filter results again by only those that are rentable
List <Vehicle> resultVehicles = new List <Vehicle>();
foreach (string vehicleRego in results)
{
Vehicle lookUp = fleet.vehicles.Find((vehicle) => vehicle.vehicleRego == vehicleRego);
if (lookUp != null)
{
resultVehicles.Add(lookUp);
}
}
// Construct new to show to user
SearchResultTable searchResultTable = new SearchResultTable(null, null, resultVehicles);
searchResultTable.Refresh();
searchResultTable.Print();
}
/// <summary>
/// Removes a vehicle from the fleet using user input
/// </summary>
/// <param name="args">List of user-input arguments</param>
protected override void Execute(List <string> args)
{
Fleet fleet = repository.Get();
string vehicleRego = args[Index_To_Use];
// Disallow deleting vehicles being rented
Vehicle vehicle = fleet.GetVehicle(vehicleRego);
if (fleet.IsVehicleRented(vehicle.vehicleRego))
{
throw new VehicleCurrentlyRentingException(string.Format("{0} is currently being rented and cannot be deleted.",
vehicle.vehicleRego));
}
fleet.RemoveVehicle(vehicle);
Console.WriteLine("Successfully removed a {0} {1} {2} with registration {3} from the MRRC fleet.", vehicle.year, vehicle.make,
vehicle.model, vehicle.vehicleRego);
Console.WriteLine();
}
/// <summary>
/// Return a vehicle from user input
/// </summary>
/// <param name="args">List of user-input arguments</param>
protected override void Execute(List <string> args)
{
// Setup variables
Fleet fleet = repository.Get();
string vehicleRego = args[0];
fleet.GetVehicle(vehicleRego); // Call this to verify vehicle exists (will throw exception)
// Disallow returning vehicles not being rented
if (!fleet.IsVehicleRented(vehicleRego))
{
throw new Exception(string.Format("Vehicle {0} is not currently being rented. No need to return it.", vehicleRego));
}
fleet.ReturnVehicle(vehicleRego);
// Let user know that it has been successful
Console.WriteLine(string.Format("Successfully returned vehicle {0} to the fleet. It can now be rented to other customers.",
vehicleRego));
Console.WriteLine();
}