// Loads a list of vehicles from a file
// takes string fileName - the file to load from
// returns a bool that will be true if everything went well
public bool LoadGarageFromFile(string fileName = @"Garage.xml")
{
XElement xml;
// if the file wasn't found
if (!File.Exists(fileName))
{
return(false);
}
xml = XElement.Load(fileName);
// find the onfo about the garage itself
var info = xml.Descendants("Info").Select(v => new
{
x = v.Attribute("SizeX").Value.Trim(),
y = v.Attribute("SizeY").Value.Trim(),
fee = v.Attribute("ParkingFee").Value.Trim(),
max = v.Attribute("MaximumHours").Value.Trim()
}).First();
int xSize, ySize, maxHours;
double parkingFee;
// try to parse the values
if (!int.TryParse(info.x, out xSize) || !int.TryParse(info.y, out ySize) || !int.TryParse(info.max, out maxHours) || !double.TryParse(info.fee, out parkingFee))
{
return(false);
}
// assign the values
ParkingFee = parkingFee;
SizeX = xSize;
SizeY = ySize;
MaximumHours = maxHours;
Vehicle vehicle;
m_ParkingSpaces = new bool[SizeX, SizeY];
// start parsing the vehicles
var vehicles = xml.Descendants("Vehicle")
.Where(v => Enum.TryParse(v.Attribute("vehicleType").Value, out v_Vehicle type) &&
int.TryParse(v.Attribute("parkingSpot").Value.Substring(v.Attribute("parkingSpot").Value.IndexOf('[') + 1, v.Attribute("parkingSpot").Value.IndexOf(',') - 1), out xSize) &&
int.TryParse(v.Attribute("parkingSpot").Value.Substring(v.Attribute("parkingSpot").Value.IndexOf(',') + 1, v.Attribute("parkingSpot").Value.IndexOf(']') - v.Attribute("parkingSpot").Value.IndexOf(',') - 1), out ySize))
.Select(v => {
Enum.TryParse(v.Attribute("vehicleType").Value, out v_Vehicle type);
switch (type)
{
case v_Vehicle.Bus:
vehicle = new Bus()
{
regNr = v.Attribute("regNr").Value, dateTime = v.Attribute("dateTime").Value, parkingSpot = new ParkingSpot()
{
X = xSize - 1, Y = ySize - 1
}
};
break;
case v_Vehicle.Car:
vehicle = new Car()
{
regNr = v.Attribute("regNr").Value, dateTime = v.Attribute("dateTime").Value, parkingSpot = new ParkingSpot()
{
X = xSize - 1, Y = ySize - 1
}
};
break;
case v_Vehicle.MC:
vehicle = new MC()
{
regNr = v.Attribute("regNr").Value, dateTime = v.Attribute("dateTime").Value, parkingSpot = new ParkingSpot()
{
X = xSize - 1, Y = ySize - 1
}
};
break;
case v_Vehicle.Truck:
vehicle = new Truck()
{
regNr = v.Attribute("regNr").Value, dateTime = v.Attribute("dateTime").Value, parkingSpot = new ParkingSpot()
{
X = xSize - 1, Y = ySize - 1
}
};
break;
default:
vehicle = null;
break;
}
return(vehicle);
}).ToList();
// Park the loaded vehicles
ParkVehiclesFromList(vehicles);
return(true);
}
// !Mainly used for manual testing with different vehicle types!
// Adds a new Vehicle to the list of Vehicles -
// Creates a new Vehicle instance and assigns it a free parking space if available
// takes argument v_Vehicle - type of vehicle to be created
// returns a string with the return message of the method
public string ParkVehicle(v_Vehicle type)
{
// Checks if the garage is full, so we can exit earlier if the garage is full
if (NumberOfParkingSpaces == m_Vehicles.Count)
{
return($"The garage is full.");
}
// Get the current date
string dateNow = GetDate();
// the new vehicle to be added
Vehicle vehicle; // = GenerateRandomVehicle();
switch (type)
{
case v_Vehicle.Bus:
vehicle = new Bus()
{
regNr = getRandomRegNr(), dateTime = dateNow
};
break;
case v_Vehicle.Car:
vehicle = new Car()
{
regNr = getRandomRegNr(), dateTime = dateNow
};
break;
case v_Vehicle.MC:
vehicle = new MC()
{
regNr = getRandomRegNr(), dateTime = dateNow
};
break;
case v_Vehicle.Truck:
vehicle = new Truck()
{
regNr = getRandomRegNr(), dateTime = dateNow
};
break;
default:
vehicle = null;
break;
}
// so we can exit earlier if there's not enough space in the garage
if (GetNumberOfFreeSpaces() < vehicle.vehicleSize)
{
return($"The garage is full!!.");
}
ParkingSpot index = FindFreeParkingSpace(vehicle.vehicleSize); // index used to find empty parking space
// checks if we found a free parking space for the type of vehicle
if (index.X == -1 && index.Y == -1)
{
return($"Not enough empty spaces in the garage for a vehicle of type: { vehicle.vehicleType.ToString()}.");
}
// sets the found parking space(s) to occupied/true
for (int i = 0; i < vehicle.vehicleSize; i++)
{
m_ParkingSpaces[index.X, index.Y + i] = !m_ParkingSpaces[index.X, index.Y + i];
}
// assigns the vehicle its parking space
vehicle.parkingSpot = index;
// add the new vehicle to the list
m_Vehicles.Add(vehicle);
return($"The vehicle of the type: {vehicle.vehicleType.ToString()} " +
$"with the registration number: {vehicle.regNr} \nwas parked in the garage at " +
$"parking space(s): {index.ToString()}" + (vehicle.vehicleSize > 1 ? $" to [{index.X + 1},{index.Y + vehicle.vehicleSize}]." : ""));
}