/// <summary>
/// Add fuel purchase into the collection
/// </summary>
/// <param name="vehicle">Vehicle to be referenced on this Fuel Purchase</param>
/// <param name="cost">Cost of the fuel purchased. Up to 2 decimal points</param>
/// <param name="litres">Fuel purchased in litres. Up to 2 decimal points</param>
/// <param name="date">Date of purchase of fuel</param>
public void Add(Vehicle vehicle, decimal cost, double litres, DateTime date)
{
int id = FindId();
FuelPurchase fuelPurchase = new FuelPurchase(id, vehicle)
{
Litres = litres,
Cost = cost,
Date = date
};
List.Add(fuelPurchase);
// Prepare SQL query
string statement =
$"INSERT INTO `fuel_purchases` ( `id`, `vehicle_id`, `litres`, `cost`, `date`)" +
$"VALUES (" +
$"{fuelPurchase.Id}," +
$"{fuelPurchase.VehicleId}," +
$"{fuelPurchase.Litres.ToString()}," +
$"{fuelPurchase.Cost.ToString()}," +
$"'{fuelPurchase.Date.ToString("yyyy-MM-dd")}'" +
$")";
// Execute statement if able
ExecuteNonQuery(statement);
}
/// <summary>
/// Delete a fuel purchase
/// </summary>
/// <param name="fuelPurchase">Fuel purchase to be deleted</param>
public void Delete(FuelPurchase fuelPurchase)
{
List.Remove(fuelPurchase);
string statement =
$"DELETE FROM `services`" +
$"WHERE `id` = {fuelPurchase.Id.ToString()};";
// Execute statement if able
ExecuteNonQuery(statement);
}
public Vehicle(
string manufacturer,
string model,
int makeYear,
string registrationNumber,
double tankCapacity,
int odometer = 0
)
{
Manufacturer = manufacturer;
Model = model;
MakeYear = makeYear;
RegistrationNumber = registrationNumber;
TankCapacity = tankCapacity;
Odometer = odometer;
fuelPurchase = new FuelPurchase();
}
/// <summary>
/// Retrieves the most recent fuel purchase
/// </summary>
/// <param name="vehicle">The vehicle to retrieve the most recent fuel purchase</param>
/// <returns>The most recent fuel purchase</returns>
public FuelPurchase Recent(Vehicle vehicle)
{
FuelPurchase RecentFuelPurchase = null;
if (List.Count > 0)
{
// Group Journeys by Vehicle ID.
ObservableCollection <FuelPurchase> VehicleFuelPurchases = ByVehicle(vehicle);
if (VehicleFuelPurchases.Count > 0)
{
RecentFuelPurchase = VehicleFuelPurchases[0];
}
}
return(RecentFuelPurchase);
}
/// <summary>
/// Edit an existing fuel purchase
/// </summary>
/// <param name="fuelPurchase">The fuel purchase to be referenced and to be modified</param>
/// <param name="cost">Cost of the fuel purchased. Up to 2 decimal points</param>
/// <param name="litres">Fuel purchased in litres. Up to 2 decimal points</param>
/// <param name="date">Date of purchase of fuel</param>
public void Edit(FuelPurchase fuelPurchase, decimal cost, double litres, DateTime date)
{
var FoundFuelPurchase = List.FirstOrDefault(i => i.Id == fuelPurchase.Id);
if (FoundFuelPurchase != null)
{
FoundFuelPurchase.Cost = cost;
FoundFuelPurchase.Litres = litres;
FoundFuelPurchase.Date = date;
string statement =
$"UPDATE `fuel_purchases`" +
$"SET " +
$"`litres` = {FoundFuelPurchase.Litres.ToString()}, " +
$"`cost` = {FoundFuelPurchase.Cost.ToString()}, " +
$"`date` = '{FoundFuelPurchase.Date.ToString("yyyy-MM-dd")}'" +
$"WHERE `id` = {FoundFuelPurchase.Id.ToString()};";
// Execute statement if able
ExecuteNonQuery(statement);
}
}
private void LvItems_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (lvItems.SelectedItem is FuelPurchase)
{
if (online)
{
if (!editMode)
{
ToggleEditMode(true);
}
}
else
{
foreach (Control field in fields)
{
field.IsEnabled = false;
}
}
selected = (FuelPurchase)lvItems.SelectedItem;
SetSelectedToFields();
}
}
