public FaultContract Connection()
{
FaultContract fault = new FaultContract();
try
{
conn.Open();
fault.Result = true;
conn.Close();
return(fault);
}
catch (MySqlException sqlEx)
{
fault.Result = false;
fault.Message = "A csatlakozás nem sikerült";
fault.Description = sqlEx.ToString();
throw new FaultException <FaultContract>(fault, sqlEx.ToString());
}
catch (Exception ex)
{
fault.Result = false;
fault.Message = "Ismeretlen hiba";
fault.Description = ex.ToString();
throw new FaultException <FaultContract>(fault, ex.ToString());
}
}
public List <Bor> List()
{
try
{
conn.Open();
string query = "SELECT * FROM bor";
MySqlCommand cmd = new MySqlCommand(query, conn);
MySqlDataReader reader = cmd.ExecuteReader();
lock (borok)
{
borok.Clear();
while (reader.Read())
{
int id = Convert.ToInt16(reader["id"]);
string fajta = reader["fajta"].ToString();
int alkohol = Convert.ToInt16(reader["alkohol"]);
string cukor = reader["cukor"].ToString();
int user_id = Convert.ToInt16(reader["felvivo_id"]);
borok.Add(new Bor(id, fajta, alkohol, cukor, user_id));
}
reader.Close();
conn.Close();
return(borok);
}
}
catch (MySqlException ex)
{
FaultContract list = new FaultContract();
list.Result = false;
list.Description = "Lekérési hiba";
list.Message = ex.Message;
throw new FaultException <FaultContract>(list);
}
}
public string Logout(string id)
{
if (id == null)
{
return("Nem vagy belépve");
}
else
{
try
{
foreach (KeyValuePair <string, string> userId in logged)
{
if (userId.Key == id)
{
logged.Remove(userId.Key);
return("Sikeresen kilépve");
}
}
return("Hiba");
}
catch (Exception ex)
{
FaultContract err = new FaultContract();
err.Result = false;
err.Message = "Hiba a kilépésnél";
err.Description = ex.Message;
throw new FaultException <FaultContract>(err);
}
}
}
public string Add(string fajta, int alkohol, string cukor, string user)
{
if (user == null || !logged.ContainsKey(user))
{
return("Be kell jelentkezni");
}
else if (fajta == "" || cukor == "")
{
return("Hiányos adatok");
}
else if (alkohol < 0)
{
return("Nem lehet negatív szám");
}
else
{
lock (borok)
{
borok.Clear();
this.List();
foreach (Bor item in borok)
{
if (fajta == item.Fajta && alkohol == item.Alkohol && cukor == item.Cukor)
{
return("Már létezik ugyanilyen bor");
}
}
try
{
conn.Open();
string query = "INSERT INTO bor (fajta, alkohol, cukor, felvivo_id) VALUES (\"" + fajta + "\"," + alkohol + ",\"" + cukor + "\"," + int.Parse(user) + ")";
MySqlCommand cmd = new MySqlCommand(query, conn);
cmd.ExecuteNonQuery();
borok.Add(new Bor(borok.Last <Bor>().Id + 1, fajta, alkohol, cukor, int.Parse(user)));
conn.Close();
return("Bor hozzáadva");
}
catch (MySqlException ex)
{
FaultContract insert = new FaultContract();
insert.Result = false;
insert.Message = ex.Message;
insert.Description = "A bevitt adatok valamelyike hibás";
throw new FaultException <FaultContract>(insert);
}
catch (Exception ex)
{
FaultContract err = new FaultContract();
err.Result = false;
err.Message = ex.Message;
err.Description = "A bevitt adatok valamelyike hibás";
throw new FaultException <FaultContract>(err);
}
}
}
}
public string Update(int id, string fajta, int alkohol, string cukor, string user)
{
if (user == null || !logged.ContainsKey(user))
{
return("Be kell jelentkezni");
}
else if (fajta == "" || cukor == "")
{
return("Hiányos adatok");
}
else if (alkohol < 0)
{
return("Nem lehet negatív szám");
}
else
{
lock (borok)
{
try
{
conn.Open();
string query = "UPDATE bor SET fajta = \"" + fajta + "\" ,alkohol = " + alkohol + " ,cukor = \"" + cukor + "\" WHERE id = " + id;
MySqlCommand cmd = new MySqlCommand(query, conn);
int rows = cmd.ExecuteNonQuery();
conn.Close();
if (rows == 0)
{
return("A módosítás sikertelen volt");
}
else
{
return("Sikeres volt a módosítás");
}
}
catch (MySqlException ex)
{
FaultContract delete = new FaultContract();
delete.Result = false;
delete.Message = ex.Message;
delete.Description = "Módosítási hiba";
throw new FaultException <FaultContract>(delete);
}
catch (Exception ex)
{
FaultContract error = new FaultContract();
error.Result = false;
error.Message = "Ismeretlen hiba";
error.Description = ex.ToString();
throw new FaultException <FaultContract>(error);
}
}
}
}
public string Login(string name, string password)
{
try
{
if (name == null || name == "" || password == null || password == "")
{
return(null);
}
else
{
conn.Open();
string query = "SELECT * FROM users";
MySqlCommand cmd = new MySqlCommand(query, conn);
MySqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
if (name == reader["name"].ToString())
{
if (password == reader["password"].ToString())
{
string id = reader["id"].ToString();
logged.Add(id, name);
reader.Close();
conn.Close();
return(id);
}
}
}
reader.Close();
conn.Close();
return(null);
}
}
catch (MySqlException ex)
{
FaultContract loginerr = new FaultContract();
loginerr.Result = false;
loginerr.Message = "Nem megfelelő belépési adatok";
loginerr.Description = ex.Message;
throw new FaultException <FaultContract>(loginerr);
}
catch (Exception ex)
{
FaultContract err = new FaultContract();
err.Result = false;
err.Message = "Hiba a belépésnél";
err.Description = ex.Message;
throw new FaultException <FaultContract>(err);
}
}
public string Delete(int id, string user)
{
if (user == null || !logged.ContainsKey(user))
{
return("Be kell jelentkezni");
}
else
{
try
{
conn.Open();
string query = "DELETE FROM bor WHERE id = " + id;
lock (borok)
{
MySqlCommand cmd = new MySqlCommand(query, conn);
int rows = cmd.ExecuteNonQuery();
conn.Close();
this.List();
if (rows == 0)
{
return("Törlés nem sikerült");
}
else
{
return("Sikeres törlés");
}
}
}
catch (MySqlException ex)
{
FaultContract delete = new FaultContract();
delete.Result = false;
delete.Description = ex.Message;
delete.Message = "Törlési hiba!";
throw new FaultException <FaultContract>(delete);
}
catch (Exception ex)
{
FaultContract error = new FaultContract();
error.Result = false;
error.Message = "Ismeretlen hiba";
error.Description = ex.ToString();
throw new FaultException <FaultContract>(error);
}
}
}
public string getUsername(int id)
{
try
{
conn.Open();
string query = "SELECT * FROM users";
MySqlCommand cmd = new MySqlCommand(query, conn);
MySqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
if (id.ToString() == reader["id"].ToString())
{
string name = reader["name"].ToString();
reader.Close();
conn.Close();
return(name);
}
}
reader.Close();
conn.Close();
return("Nincs felhasználó");
}
catch (MySqlException ex)
{
FaultContract loginerr = new FaultContract();
loginerr.Result = false;
loginerr.Message = "Nem megfelelő felhasználó adatok";
loginerr.Description = ex.Message;
throw new FaultException <FaultContract>(loginerr);
}
catch (Exception ex)
{
FaultContract err = new FaultContract();
err.Result = false;
err.Message = "Hiba a név lekérésnél";
err.Description = ex.Message;
throw new FaultException <FaultContract>(err);
}
}
