/// <summary>
/// Konstruktor okna
/// </summary>
/// <param name="carExpensesApp">Instance jádra aplikace</param>
/// <param name="user">Aktuálně přihlášený uživatel</param>
public ExpensesForm(CarExpensesApp carExpensesApp, User user)
{
InitializeComponent();
this.carExpensesApp = carExpensesApp;
this.user = user;
this.selectedCar = null;
disableElements();
reloadUserCars();
}
/// <summary>
/// Výpis všech aut přihlášeného uživatele - uživatel vybírá šipkami nahoru a dolu, entrem potvrzuje, escape ruší nabídku
/// </summary>
/// <returns>Stav, zda se výběr podařil (true/false)</returns>
static bool selectCar()
{
CarResponse response = application.getUserCars();
Console.WriteLine(response.message);
if (response.success == false || response.carList.Count == 0)
{
keyToContinue();
return false;
}
Console.WriteLine();
List<Car> list = response.carList;
ConsoleKeyInfo key;
int selected = 0;
Car selectedCar = null;
int currentLineCursor = Console.CursorTop;
do
{
Console.SetCursorPosition(0, currentLineCursor);
int i = 0;
foreach(Car _car in list)
{
if (i == selected)
{
Console.Write("> ");
selectedCar = _car;
}
else
{
Console.Write(" ");
}
Console.WriteLine(_car.name);
i++;
}
key = Console.ReadKey();
if (key.Key == ConsoleKey.UpArrow)
{
if (selected>0) selected--;
}
else if (key.Key == ConsoleKey.DownArrow)
{
if (selected < list.Count-1) selected++;
}
else if (key.Key == ConsoleKey.Escape)
{
return false;
}
}
while (key.Key != ConsoleKey.Enter);
Console.WriteLine();
car = selectedCar;
return true;
}
/// <summary>
/// Vstupní bod aplikace
/// </summary>
static void Main(string[] args)
{
Console.Write(startText);
try
{
initApp();
keyToContinue();
Start:
Console.Clear();
Console.Write(startText);
switch (menu(new string[] { "Login", "Register", "Exit" }))
{
case 0: // Escape
goto Start;
case 1: // Login
if (login())
goto MainMenu;
else
goto Start;
case 2: // Register
register();
goto Start;
case 3: // Exit
exit(0);
break;
}
goto Start;
MainMenu:
Console.Clear();
Console.Write(mainMenuText);
switch ( menu(new string[] { "Select car", "Add new car", "Logout", "Exit" }) )
{
case 0: // Escape
goto MainMenu;
case 1: // Select car
if (selectCar())
goto CarMenu;
else
goto MainMenu;
case 2: // Add new car
addCar();
goto MainMenu;
case 3: // Logout
if (logout())
goto Start;
else
goto MainMenu;
case 4: // Exit
exit(0);
break;
}
goto MainMenu;
CarMenu:
Console.Clear();
Console.Write(getCarMenuText());
switch (menu(new string[] { "Add gas", "Add service", "History of gas", "History of service", "Back", "Logout", "Exit" }))
{
case 0: // Escape
car = null;
goto MainMenu;
case 1: // Add gas
addGas();
goto CarMenu;
case 2: // Add service
addService();
goto CarMenu;
case 3: // History of gas
writeGasStats();
goto CarMenu;
case 4: // History of service
writeServiceStats();
goto CarMenu;
case 5: // Back
car = null;
goto MainMenu;
case 6: // Logout
if (logout())
goto Start;
else
goto CarMenu;
case 7: // Exit
exit(0);
break;
}
goto CarMenu;
exit(0);
}
catch (CarExpensesException ex)
{
Console.WriteLine(ex.Message);
exit(1);
}
}
/// <summary>
/// Vkládá do databáze nové auto.
/// Vše je potřebné se nachází v objektu auta (parametr <paramref name="userId">userId</paramref>),
/// včetné ID uživatele, ke kterému se vztahuje.
/// </summary>
/// <param name="car">Nové auto pro vložení do databáze</param>
/// <returns>Úspěch vložení</returns>
/// <exception cref="CarExpensesDatabaseException">Při chybě práce s databází</exception>
public bool addCar(Car car)
{
using (OracleCommand cmdInsert = new OracleCommand())
{
try
{
string sqlInsert = "INSERT INTO \"car\" (\"user_id\", \"car_model_id\", \"bought_year\", \"cost\", \"name\") ";
sqlInsert += "values (:p_user_id, :p_car_model_id, :p_bought_year, :p_cost, :p_name)";
cmdInsert.CommandText = sqlInsert;
cmdInsert.Connection = connection;
OracleParameter pUserId = new OracleParameter();
pUserId.OracleDbType = OracleDbType.Decimal;
pUserId.Value = car.userId;
pUserId.ParameterName = "p_user_id";
OracleParameter pCarModelId = new OracleParameter();
pCarModelId.OracleDbType = OracleDbType.Decimal;
pCarModelId.Value = car.carModelId;
pCarModelId.ParameterName = "p_car_model_id";
OracleParameter pBoughtYear = new OracleParameter();
pBoughtYear.OracleDbType = OracleDbType.Decimal;
pBoughtYear.Value = car.boughtYear;
pBoughtYear.ParameterName = "p_bought_year";
OracleParameter pCost = new OracleParameter();
pCost.OracleDbType = OracleDbType.Decimal;
pCost.Value = car.cost;
pCost.ParameterName = "p_cost";
OracleParameter pName = new OracleParameter();
pName.Value = car.name;
pName.ParameterName = "p_name";
cmdInsert.Parameters.Add(pUserId);
cmdInsert.Parameters.Add(pCarModelId);
cmdInsert.Parameters.Add(pBoughtYear);
cmdInsert.Parameters.Add(pCost);
cmdInsert.Parameters.Add(pName);
if ( cmdInsert.ExecuteNonQuery() > 0 )
{
return true;
}
else return false;
}
catch (OracleException ex)
{
switch (ex.Number)
{
case 1:
throw new CarExpensesDatabaseException("Car ID " + car.id + " already exists.");
case 2291:
throw new CarExpensesDatabaseException("Car Model ID " + car.carModelId + " doesn't exist.");
case 12545:
throw new CarExpensesDatabaseException("The database is unavailable.");
default:
throw new CarExpensesDatabaseException("Database error: " + ex.Message.ToString());
}
}
catch (CarExpensesDatabaseException ex)
{
throw new CarExpensesDatabaseException(ex.Message.ToString());
}
catch (Exception ex)
{
throw new CarExpensesDatabaseException("Unexpected error: " + ex.Message.ToString());
}
}
}
/// <summary>
/// Získává všechny auta patřící uživateli specifikovaného parametrem <paramref name="userId">userId</paramref>
/// </summary>
/// <param name="userId">ID uživatele</param>
/// <returns>Seznam aut daného uživatele</returns>
/// <exception cref="CarExpensesDatabaseException">Při chybě práce s databází</exception>
public List<Car> getUserCars(int userId)
{
List<Car> carList = new List<Car>();
using (OracleCommand cmd = new OracleCommand())
{
try
{
cmd.Connection = connection;
cmd.CommandText = "SELECT * FROM \"car\" WHERE \"user_id\" = :p_user_id";
cmd.CommandType = System.Data.CommandType.Text;
OracleParameter pUserId = new OracleParameter();
pUserId.OracleDbType = OracleDbType.Decimal;
pUserId.Value = userId;
pUserId.ParameterName = "p_user_id";
cmd.Parameters.Add(pUserId);
using (OracleDataReader dr = cmd.ExecuteReader())
{
if (dr.HasRows)
{
while (dr.Read())
{
Car car = new Car();
car.id = Convert.ToInt32(dr["id"].ToString());
car.userId = Convert.ToInt32(dr["user_id"].ToString());
car.carModelId = Convert.ToInt32(dr["car_model_id"].ToString());
car.boughtYear = Convert.ToInt32(dr["bought_year"].ToString());
car.cost = Convert.ToInt32(dr["cost"].ToString());
car.name = dr["name"].ToString();
carList.Add(car);
}
}
return carList;
}
}
catch (OracleException ex)
{
switch (ex.Number)
{
case 12545:
throw new CarExpensesDatabaseException("The database is unavailable.");
default:
throw new CarExpensesDatabaseException("Database error: " + ex.Message.ToString());
}
}
catch (CarExpensesDatabaseException ex)
{
throw new CarExpensesDatabaseException(ex.Message.ToString());
}
catch (Exception ex)
{
throw new CarExpensesDatabaseException("Unexpected error: " + ex.Message.ToString());
}
}
}
/// <summary>
/// Konstruktor okna
/// </summary>
/// <param name="carExpensesApp">Instance jádra aplikace</param>
/// <param name="car">Auto, ke kterému se oprava přidává</param>
public AddServiceForm(CarExpensesApp carExpensesApp, Car car)
{
InitializeComponent();
this.carExpensesApp = carExpensesApp;
this.car = car;
}
private void comboSelectCar_SelectionChangeCommitted(object sender, EventArgs e)
{
selectedCar = (Car)comboSelectCar.SelectedItem;
reloadCarInfo();
reloadGas();
reloadService();
reloadOtherExpense();
enableElements();
}
/// <summary>
/// Přidání nového auta k aktuálně přihlášenému uživateli
/// </summary>
/// <param name="carModelId">Identifikace typu auta</param>
/// <param name="name">Jměno auta</param>
/// <param name="boughtYear">Rok zakoupení auta</param>
/// <param name="cost">Cena auta</param>
/// <returns>Objekt <see cref="Response"/>, kde je uložen stav akce a zpráva.</returns>
/// <exception cref="CarExpensesException">Při chybě aplikace</exception>
public Response addCar(int carModelId, string name, int boughtYear, int cost)
{
if (notLogged()) return new Response(false, "You are NOT logged in.");
if (boughtYear < 1900 || boughtYear > DateTime.Today.Year)
return new Response(false, "Bought year must be between " + 1900 + " and " + DateTime.Today.Year + ".");
Response response = new Response();
try
{
Car car = new Car();
car.userId = user.id;
car.carModelId = carModelId;
car.boughtYear = boughtYear;
car.cost = cost;
car.name = name;
if (carDAO.addCar(car) == true)
{
response.message = "Car was successfuly added.";
response.success = true;
}
}
catch (CarExpensesDatabaseException ex)
{
response.success = false;
response.message = ex.Message.ToString();
}
return response;
}