/// <summary>
/// Delete record from the database
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DeleteTransaction(object sender, RoutedEventArgs e)
{
if (updatingTransactionID == null)
{
ShowInformationMessageBox("Select a row to delete", "No row selected");
return;
}
//Ask user to confirm action
MessageBoxResult removeResult = MessageBox.Show("Remove selected object from database?",
"Remove",
MessageBoxButton.YesNo,
MessageBoxImage.Warning,
MessageBoxResult.No);
if (removeResult == MessageBoxResult.Yes)
{
CarDealerManagementDBEntities context = new CarDealerManagementDBEntities();
var result = from d in context.TB_TRANSACTIONS
where d.ID_TRANSACTION == this.updatingTransactionID
select d;
TB_TRANSACTIONS obj = result.SingleOrDefault();
if (obj != null)
{
context.TB_TRANSACTIONS.Remove(obj);
context.SaveChanges();
ResetFieldValue(displayCarBox, displayClientBox, datepickerDisplayTransactionDate);
updatingTransactionID = null;
ReloadGrid();
}
}
}
/// <summary>
/// Delete row from database
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DeleteAddress(object sender, RoutedEventArgs e)
{
if (updatingAddressID == null)
{
ShowInformationMessageBox("Select a row to delete", "No row selected");
return;
}
//Ask user to confirm action
MessageBoxResult removeResult = MessageBox.Show("Remove selected object from database?",
"Remove",
MessageBoxButton.YesNo,
MessageBoxImage.Warning,
MessageBoxResult.No);
if (removeResult == MessageBoxResult.Yes)
{
CarDealerManagementDBEntities context = new CarDealerManagementDBEntities();
var result = from d in context.TB_ADDRESS
where d.ID_ADDRESS == this.updatingAddressID
select d;
TB_ADDRESS obj = result.SingleOrDefault();
if (obj != null)
{
context.TB_ADDRESS.Remove(obj);
context.SaveChanges();
ResetFieldValue(textboxStreetUpdate, textboxCityUpdate, textboxZIPUpdate);
updatingAddressID = null;
ReloadGrid();
}
}
}
/// <summary>
/// Add record to database
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AddClient(object sender, RoutedEventArgs e)
{
bool validation = InputDataValidator(textboxName, textboxSurname, textboxPESEL, textboxNIP, comboAddress);
if (validation)
{
CarDealerManagementDBEntities db = new CarDealerManagementDBEntities();
int parsed;
bool parseNIP = int.TryParse(this.textboxNIP.Text, out parsed);
string[] addressSplitted = (this.comboAddress.Text).Split(',');
//Must assign value to variable , because LINQ Entities does not support 'ArrayIndex'
string splitted0 = addressSplitted[0];
foreach (string address in addressSplitted)
{
address.Trim();
}
var add = db.TB_ADDRESS
.Where(address => (address.STREET_NUMBER == splitted0))
.Select(adres => adres.ID_ADDRESS)
.FirstOrDefault();
Console.WriteLine(add);
TB_CLIENT client = new TB_CLIENT()
{
NAME = this.textboxName.Text.Trim(),
SURNAME = this.textboxSurname.Text.Trim(),
PESEL = this.textboxPESEL.Text.Trim(),
NIP = parseNIP ? parsed : 0,
ID_CLIENT_ADDRESS = db.TB_ADDRESS.Where(address => address.STREET_NUMBER == splitted0)
.Select(adres => adres.ID_ADDRESS)
.FirstOrDefault()
};
// Add new object to DB
db.TB_CLIENT.Add(client);
db.SaveChanges();
ResetFieldValue(this.textboxName, this.textboxSurname, this.textboxPESEL, this.textboxNIP);
ReloadGrid();
}
}
/// <summary>
/// Add record to the database
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AddTransaction(object sender, RoutedEventArgs e)
{
CarDealerManagementDBEntities db = new CarDealerManagementDBEntities();
//ComboBox SelectedIndex property counts from 0, so we add 1 to match ID
TB_TRANSACTIONS transaction = new TB_TRANSACTIONS()
{
ID_CAR = db.TB_CAR.Where(car => car.ID_CAR == this.comboboxCar.SelectedIndex + 1).Select(car => car.ID_CAR).FirstOrDefault(),
ID_CLIENT = db.TB_CLIENT.Where(client => client.ID_CLIENT == this.comboboxClient.SelectedIndex + 1).Select(client => client.ID_CLIENT).FirstOrDefault(),
TRANSACTION_DATE = (DateTime)(this.datepickerTransaction.SelectedDate)
};
// Add new object to DB
db.TB_TRANSACTIONS.Add(transaction);
db.SaveChanges();
ResetFieldValue(this.comboboxCar, this.comboboxClient, this.datepickerTransaction);
ReloadGrid();
}
/// <summary>
/// Add new record to database
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AddAddress(object sender, RoutedEventArgs e)
{
bool validation = InputDataValidator(textboxStreet, textboxCity, textboxZIP);
if (validation)
{
CarDealerManagementDBEntities db = new CarDealerManagementDBEntities();
TB_ADDRESS address = new TB_ADDRESS()
{
STREET_NUMBER = this.textboxStreet.Text,
CITY = this.textboxCity.Text,
ZIP_CODE = this.textboxZIP.Text
};
// Add new object to DB
db.TB_ADDRESS.Add(address);
db.SaveChanges();
ResetFieldValue(this.textboxStreet, this.textboxCity, this.textboxZIP);
ReloadGrid();
}
}
/// <summary>
/// Update a record in database
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UpdateAddress(object sender, RoutedEventArgs e)
{
bool validation = InputDataValidator(textboxStreetUpdate, textboxCityUpdate, textboxZIPUpdate);
if (validation)
{
CarDealerManagementDBEntities db = new CarDealerManagementDBEntities();
if (updatingAddressID == null)
{
ShowInformationMessageBox("Please select a row from the DataGrid to update", "Row not selected");
return;
}
var result = from r in db.TB_ADDRESS where r.ID_ADDRESS == this.updatingAddressID select r;
TB_ADDRESS obj = result.SingleOrDefault();
//Check for null
if (obj != null)
{
//dodać walidacje czy user wprowadza poprawne dane
var id = obj.ID_ADDRESS;
obj.STREET_NUMBER = this.textboxStreetUpdate.Text;
obj.CITY = this.textboxCityUpdate.Text;
obj.ZIP_CODE = this.textboxZIPUpdate.Text;
db.SaveChanges();
//Reset values
ResetFieldValue(this.textboxStreetUpdate, this.textboxCityUpdate, this.textboxZIPUpdate);
updatingAddressID = null;
ManageIsFieldEnabled(false, textboxStreetUpdate, textboxStreetUpdate, textboxZIPUpdate);
ReloadGrid();
ShowInformationMessageBox("Item successfully updated!", "Update");
}
}
}
/// <summary>
/// Update selected row in DB and DataGrid
/// </summary>
private void UpdateCars(object sender, RoutedEventArgs e)
{
InputDataValidator(inputPriceUpdate, comboModelsUpdate, comboCountryUpdate, comboConditionUpdate, comboColorsUpdate);
CarDealerManagementDBEntities context = new CarDealerManagementDBEntities();
if (updatingCarID == null)
{
ShowInformationMessageBox("Please select a row from the DataGrid to update", "Row not selected");
return;
}
var result = from r in context.TB_CAR where r.ID_CAR == this.updatingCarID select r;
TB_CAR obj = result.SingleOrDefault();
//Check for null
if (obj != null)
{
var id = obj.ID_CAR;
obj.ID_CAR_COLOR = context.TB_CAR_COLOR.Where(color => color.COLOR == this.comboColorsUpdate.Text).Select(color => color.ID_CAR_COLOR).FirstOrDefault();
obj.ID_CAR_CONDITION = context.TB_CAR_CONDITION.Where(cond => cond.CONDITION == this.comboConditionUpdate.Text).Select(cond => cond.ID_CAR_CONDITION).FirstOrDefault();
obj.ID_CAR_COUNTRY = context.TB_CAR_COUNTRY.Where(country => country.COUNTRY == this.comboCountryUpdate.Text).Select(country => country.ID_CAR_COUNTRY).FirstOrDefault();
obj.ID_CAR_MODEL = context.TB_CAR_MODEL.Where(model => model.CAR_MODEL == this.comboModelsUpdate.Text).Select(model => model.ID_CAR_MODEL).FirstOrDefault();
obj.CAR_PRICE = decimal.Parse(this.inputPriceUpdate.Text);
context.SaveChanges();
//Reset values
ResetComboBoxText(comboModelsUpdate, comboCountryUpdate, comboColorsUpdate, comboConditionUpdate);
this.inputPriceUpdate.Text = "";
updatingCarID = null;
ManageIsFieldEnabled(false, inputPriceUpdate, comboColorsUpdate, comboModelsUpdate, comboConditionUpdate, comboCountryUpdate);
ReloadGrid();
ShowInformationMessageBox("Item successfully updated!", "Update");
}
}
/// <summary>
/// Removes selected row from the database
/// </summary>
private void DeleteCar(object sender, RoutedEventArgs e)
{
if (updatingCarID == null)
{
ShowInformationMessageBox("Select a row to delete", "No row selected");
return;
}
//Ask user to confirm action
MessageBoxResult removeResult = MessageBox.Show("Remove selected object from database?",
"Remove",
MessageBoxButton.YesNo,
MessageBoxImage.Warning,
MessageBoxResult.No);
if (removeResult == MessageBoxResult.Yes)
{
CarDealerManagementDBEntities context = new CarDealerManagementDBEntities();
var result = from d in context.TB_CAR
where d.ID_CAR == this.updatingCarID
select d;
TB_CAR obj = result.SingleOrDefault();
if (obj != null)
{
context.TB_CAR.Remove(obj);
context.SaveChanges();
ResetComboBoxText(comboModelsUpdate, comboCountryUpdate, comboColorsUpdate, comboConditionUpdate);
this.inputPriceUpdate.Text = "";
updatingCarID = null;
ReloadGrid();
}
}
}
/// <summary>
/// Delete row from database
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DeleteClient(object sender, RoutedEventArgs e)
{
if (updatingClientID == null)
{
ShowInformationMessageBox("Select a row to delete", "No row selected");
return;
}
//Ask user to confirm action
MessageBoxResult removeResult = MessageBox.Show("Remove selected object from database?",
"Remove",
MessageBoxButton.YesNo,
MessageBoxImage.Warning,
MessageBoxResult.No);
if (removeResult == MessageBoxResult.Yes)
{
CarDealerManagementDBEntities context = new CarDealerManagementDBEntities();
var result = from d in context.TB_CLIENT
where d.ID_CLIENT == this.updatingClientID
select d;
TB_CLIENT obj = result.SingleOrDefault();
if (obj != null)
{
context.TB_CLIENT.Remove(obj);
context.SaveChanges();
ResetFieldValue(textboxNameUpdate, textboxSurnameUpdate, textboxPESELUpdate, textboxNIPUpdate);
this.comboAddressUpdate.Text = "";
updatingClientID = null;
ReloadGrid();
}
}
}
/// <summary>
/// Update selected row in DB and DataGrid
/// </summary>
private void UpdateClient(object sender, RoutedEventArgs e)
{
bool validation = InputDataValidator(textboxNameUpdate, textboxSurnameUpdate, textboxPESELUpdate, textboxNIPUpdate, comboAddressUpdate);
if (validation)
{
CarDealerManagementDBEntities db = new CarDealerManagementDBEntities();
if (updatingClientID == null)
{
ShowInformationMessageBox("Please select a row from the DataGrid to update", "Row not selected");
return;
}
var result = from r in db.TB_CLIENT where r.ID_CLIENT == this.updatingClientID select r;
TB_CLIENT obj = result.SingleOrDefault();
//Check for null
if (obj != null)
{
var id = obj.ID_CLIENT;
obj.NAME = this.textboxNameUpdate.Text.Trim();
obj.SURNAME = this.textboxSurnameUpdate.Text.Trim();
obj.PESEL = this.textboxPESELUpdate.Text.Trim();
int parsedInt;
if (int.TryParse(this.textboxNIPUpdate.Text.Trim(), out parsedInt))
{
obj.NIP = parsedInt;
}
else
{
ShowInformationMessageBox("Input must be type of integer!", "Not an integer");
}
string[] addressSplitted = (this.comboAddressUpdate.Text.Trim()).Split(',');
//Must assign value to variable, because LINQ Entities does not support 'ArrayIndex'
string splitted0 = addressSplitted[0];
obj.ID_CLIENT_ADDRESS = db.TB_ADDRESS.Where(address => address.STREET_NUMBER == splitted0)
.Select(adres => adres.ID_ADDRESS)
.FirstOrDefault();
db.SaveChanges();
//Reset values
ResetFieldValue(this.textboxNameUpdate, this.textboxNameUpdate, this.textboxNameUpdate, this.textboxNameUpdate);
this.comboAddressUpdate.Text = "";
updatingClientID = null;
ManageIsFieldEnabled(false, textboxNameUpdate, textboxNameUpdate, textboxNameUpdate, textboxNameUpdate, comboAddressUpdate);
ReloadGrid();
ShowInformationMessageBox("Item successfully updated!", "Update");
}
}
else
{
ShowInformationMessageBox("Some fields contain errors, please check them", "Error");
return;
}
}
