public static void Delete(int id)
{
HardwareProduct deleteProd = Hcon.HardwareProducts.Where(p => p.ProductId == id).Single();
Hcon.HardwareProducts.Remove(deleteProd);
Hcon.SaveChanges();
}
public static void Insert(HardwareProduct HP)
{
if (IsValid(HP))
{
Hcon.HardwareProducts.Add(HP);
Hcon.SaveChanges();
}
}
public static bool IsValid(HardwareProduct HP)
{
if (HP.Title == "" ||
HP.Manufacturer == "" ||
HP.Description == "")
{
return(false);
}
else if ((double)HP.Price <= 0)
{
DialogResult drPrice = MessageBox.Show("Are you sure this product is 0 dollars? (y/n)",
"REALLY?", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
return(drPrice == DialogResult.Yes);
}
else
{
return(true);
}
}
public static HardwareProduct getProduct(long id)
{
OracleConnection oracleConnection = new OracleConnection(ConfigurationManager.ConnectionStrings["Bazi"].ConnectionString);
OracleCommand cmd = new OracleCommand();
cmd.Connection = oracleConnection;
cmd.CommandText = "SELECT HARDID, PERFORMANSI, IMEMODEL,TO_CHAR(GODNAPROIZVOD,'DD-MM-YYYY'), SLIKAPATEKA, OPIS, BRPOSETENOST, NVL(vkupnaOcena,0) FROM HARDVERPROIZVOD WHERE HARDVERPROIZVOD.hardid=:prod";
cmd.Parameters.Add(new OracleParameter("prod", id));
HardwareProduct hp = new HardwareProduct();
try
{
oracleConnection.Open();
OracleDataReader rdr = cmd.ExecuteReader();
while (rdr.Read())
{
hp.hardid = rdr.GetInt64(0);
hp.performansi = rdr.GetString(1);
hp.imeModel = rdr.GetString(2);
hp.slikaPateka = rdr.GetString(4);
hp.opis = rdr.GetString(5);
hp.brPosetenost = rdr.GetInt64(6);
hp.vkupnaOcena = rdr.GetDouble(7);
hp.godNaProizvod = rdr.GetString(3);
}
rdr.Close();
}
catch (Exception e)
{
}
finally
{
oracleConnection.Close();
}
return hp;
}
public static List<HardwareProduct> getPreviewProductsForSearch(string searchText)
{
OracleConnection oracleConnection = new OracleConnection(ConfigurationManager.ConnectionStrings["Bazi"].ConnectionString);
OracleCommand cmd = new OracleCommand();
cmd.Connection = oracleConnection;
cmd.CommandText = "SELECT HARDID, PERFORMANSI, IMEMODEL, SLIKAPATEKA, OPIS, BRPOSETENOST, NVL(VKUPNAOCENA,0),TO_CHAR(GODNAPROIZVOD,'DD-MM-YYYY') as GODNAPROIZVOD FROM HARDVERPROIZVOD WHERE upper(IMEMODEL) like upper(:SearchText)||'%'";
cmd.Parameters.Add(new OracleParameter("SearchText", searchText));
List<HardwareProduct> prodList = new List<HardwareProduct>();
try
{
oracleConnection.Open();
OracleDataReader rdr = cmd.ExecuteReader();
while (rdr.Read())
{
HardwareProduct p = new HardwareProduct();
p.hardid = rdr.GetInt64(0);
p.performansi = rdr.GetString(1);
p.imeModel = rdr.GetString(2);
p.slikaPateka = rdr.GetString(3);
p.opis = rdr.GetString(4);
p.brPosetenost = rdr.GetInt64(5);
p.vkupnaOcena = rdr.GetDouble(6);
if (p.godNaProizvod != null)
{
p.godNaProizvod = rdr.GetString(7);
}
prodList.Add(p);
}
rdr.Close();
}
catch (Exception e)
{
}
finally
{
oracleConnection.Close();
}
return prodList;
}
public static List<HardwareProduct> getPreviewProducts(string filter)
{
OracleConnection oracleConnection = new OracleConnection(ConfigurationManager.ConnectionStrings["Bazi"].ConnectionString);
OracleCommand cmd = new OracleCommand();
cmd.Connection = oracleConnection;
if (filter == "all")
cmd.CommandText = "SELECT HARDID, PERFORMANSI, IMEMODEL, SLIKAPATEKA, OPIS, BRPOSETENOST, NVL(VKUPNAOCENA,0),TO_CHAR(GODNAPROIZVOD,'DD-MM-YYYY') as GODNAPROIZVOD FROM HARDVERPROIZVOD ";
else
cmd.CommandText = "SELECT hp.HARDID, hp.PERFORMANSI, hp.IMEMODEL, hp.SLIKAPATEKA, hp.OPIS, hp.BRPOSETENOST, NVL(hp.VKUPNAOCENA,0),TO_CHAR(hp.GODNAPROIZVOD,'DD-MM-YYYY') as GODNAPROIZVOD FROM HARDVERPROIZVOD hp, TIPHARDVER th, KATEGORIJA k where hp.hardid = th.hardid and th.katid = k.katid and k.katime = :filter ";
cmd.Parameters.Add(new OracleParameter("filter", filter));
List<HardwareProduct> prodList = new List<HardwareProduct>();
try
{
oracleConnection.Open();
OracleDataReader rdr = cmd.ExecuteReader();
while (rdr.Read())
{
HardwareProduct p = new HardwareProduct();
p.hardid = rdr.GetInt64(0);
p.performansi = rdr.GetString(1);
p.imeModel = rdr.GetString(2);
p.slikaPateka = rdr.GetString(3);
p.opis = rdr.GetString(4);
p.brPosetenost = rdr.GetInt64(5);
p.vkupnaOcena = rdr.GetDouble(6);
p.godNaProizvod = rdr.GetString(7);
prodList.Add(p);
}
rdr.Close();
}
catch (Exception e)
{
}
finally
{
oracleConnection.Close();
}
return prodList;
}
public static void Update(HardwareProduct HP)
{
Hcon.HardwareProducts.AddOrUpdate(HP);
Hcon.SaveChanges();
}
