public Nabidka Read(int id)
{
UzivatelDao dao = new UzivatelDao();
Nabidka n = null;
SqlConnection conn = DatabaseConnection.GetInstance();
using (SqlCommand command = new SqlCommand("SELECT * FROM nabidka WHERE id = @Id", conn))
{
SqlParameter param = new SqlParameter();
param.ParameterName = "@Id";
param.Value = id;
command.Parameters.Add(param);
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
n = new Nabidka(
castka: Int32.Parse(reader[1].ToString()),
prihazujici: dao.GetById(Int32.Parse(reader[2].ToString())));
n.ID = Int32.Parse(reader[0].ToString());
}
reader.Close();
return(n);
}
}
static void Main(string[] args)
{
DatabazeUzivatelu db = DatabazeUzivatelu.Instance;
DrazebniDatabaze test = new DrazebniDatabaze();
try
{
db.NactiUzivatele();
foreach (var uzivatel in db.uzivatele)
{
Console.WriteLine(uzivatel);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
Uzivatel u1 = db.GetById(1);
Uzivatel u2 = db.GetById(2);
Uzivatel u3 = db.GetById(3);
Nabidka n1 = new Nabidka(u1, 25);
Nabidka n2 = new Nabidka(u1, 15);
Nabidka n3 = new Nabidka(u2, 35);
Auto bmw = new Auto("bmw", Skupina.A, DateTime.Now, 75, 4);
Auto skoda = new Auto("Skoda", Skupina.B, DateTime.Now, 85, 6);
Drazba d = new Drazba(bmw, "sdffffffffffwsefwefwef");
d.pridej(n1);
d.pridej(n2);
d.pridej(n3);
Drazba d2 = new Drazba(skoda, "adwaduadhqaudhhudli");
d2.pridej(n1);
d2.pridej(n2);
d2.pridej(n3);
test.PridejDrazbu(d);
test.PridejDrazbu(d2);
Console.WriteLine(n1.PrihazujiciID());
Console.WriteLine(n3.PrihazujiciID());
Console.WriteLine(test.AktualniDrazba);
test.DrazbaSkoncila();
Console.WriteLine(test.AktualniDrazba);
test.DrazbaSkoncila();
}
public void Update(Nabidka n)
{
SqlConnection conn = DatabaseConnection.GetInstance();
SqlCommand command = null;
UzivatelDao dao = new UzivatelDao();
using (command = new SqlCommand("UPDATE uzivatel SET jmeno=@jmeno,heslo=@heslo,adresa=@adresa, where id = @id", conn))
{
command.Parameters.Add(new SqlParameter("@id", n.ID));
command.Parameters.Add(new SqlParameter("@castka", n.castka));
command.Parameters.Add(new SqlParameter("@heslo", dao.UzivatelID(n.prihazujici)));
command.ExecuteNonQuery();
}
}
public int GetID(Nabidka n)
{
SqlConnection conn = DatabaseConnection.GetInstance();
using (SqlCommand command = new SqlCommand("SELECT * FROM nabidka WHERE id = @id", conn))
{
command.Parameters.Add(new SqlParameter("@id", n.ID));
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
return(Int32.Parse(reader[0].ToString()));
}
reader.Close();
return(0);
}
}
public void Create(Nabidka n, Drazba d)
{
SqlConnection conn = DatabaseConnection.GetInstance();
SqlCommand command = null;
UzivatelDao dao = new UzivatelDao();
DrazbaDAO daoD = new DrazbaDAO();
using (command = new SqlCommand("INSERT INTO nabidka(castka,uzivatel_id,drazba_id) VALUES (@castka,@uzivatel_id,@drazba_id)", conn))
{
command.Parameters.Add(new SqlParameter("@castka", n.castka));
command.Parameters.Add(new SqlParameter("@uzivatel_id", dao.UzivatelID(n.prihazujici)));
command.Parameters.Add(new SqlParameter("@drazba_id", daoD.GetID(d)));
command.ExecuteNonQuery();
command.CommandText = "Select @@Identity";
n.ID = Convert.ToInt32(command.ExecuteScalar());
}
}
