private void Update_Click(object sender, RoutedEventArgs e)
{
string stringId = UpdateIDTB.Text.Trim();
string newLastName = UpdateLastNameTB.Text.Trim();
if (commander.IsInputInvalid(stringId, "ID") || !int.TryParse(stringId, out int id) || !commander.LettersInputOnly(newLastName))
{
MessageBox.Show($"{stringId} is not valid id.");
return;
}
if (!commander.ExistsInDatabaseByID(OSHome.DbSources.Employees, id))
{
MessageBox.Show($"Employee doesn't exist in database.");
return;
}
var emp = db.Employees.Single(x => x.employee_id == id);
string oldLastName = emp.employee_name;
if (oldLastName == newLastName)
{
MessageBox.Show($"New last name is same as existing last name.");
return;
}
if (!commander.FinalAcceptancePrompt())
{
return;
}
emp.employee_name = newLastName;
db.SaveChanges();
employeesDataGrid.Items.Refresh();
UpdateIDTB.Text = "ID";
UpdateLastNameTB.Text = "New last name";
MessageBox.Show($"Successfully updated employee: {emp.employee_first_name} {oldLastName} into: {emp.employee_first_name} {newLastName}");
}
private void Remove_Click(object sender, RoutedEventArgs e)
{
string value = RemoveNameTB.Text.Trim();
if (commander.IsInputInvalid(value, "Producer name or ID"))
{
MessageBox.Show($"Input value is default or empty, type correct value.");
return;
}
if (int.TryParse(value, out int parsedIntValue))
{
if (!commander.ExistsInDatabaseByID(OSHome.DbSources.Producers, parsedIntValue))
{
MessageBox.Show($"Producer with ID: {parsedIntValue} doesn't exists in database.");
return;
}
}
else
{
if (!commander.ExistsInDatabaseByNameCaseSensitive(OSHome.DbSources.Producers, value))
{
MessageBox.Show($"Producer with name: {value} doesn't exists in database.");
return;
}
}
if (parsedIntValue == 0)
{
int producerId = db.Producers.Single(x => x.producer_name == value).producer_id;
if (commander.IsAssignedToEntity(OSHome.DbSources.Producers, producerId))
{
MessageBox.Show($"Producer is already assigned to product, can't remove.");
return;
}
if (!commander.FinalAcceptancePrompt())
{
return;
}
commander.RemoveFromDb(OSHome.DbSources.Producers, producerId);
}
else
{
if (commander.IsAssignedToEntity(OSHome.DbSources.Producers, parsedIntValue))
{
MessageBox.Show($"Producer is already assigned to product, can't remove.");
return;
}
if (!commander.FinalAcceptancePrompt())
{
return;
}
commander.RemoveFromDb(OSHome.DbSources.Producers, parsedIntValue);
}
MessageBox.Show("Producer successfully removed from database.");
RemoveNameTB.Text = "Producer name or ID";
}
private void Remove_Click(object sender, RoutedEventArgs e)
{
string stringId = RemoveIDTB.Text.Trim();
if (commander.IsInputInvalid(stringId, "ID") || !int.TryParse(stringId, out int id))
{
MessageBox.Show($"{stringId} is not valid id.");
return;
}
if (!commander.ExistsInDatabaseByID(OSHome.DbSources.Products, id) || commander.IsAssignedToEntity(OSHome.DbSources.Products, id))
{
MessageBox.Show($"Product doesn't exist in database or is already assigned to some order.");
return;
}
if (!commander.FinalAcceptancePrompt())
{
return;
}
commander.RemoveFromDb(OSHome.DbSources.Products, id);
MessageBox.Show($"Successfully removed from database.");
RemoveIDTB.Text = "ID";
}
private void Update_Click(object sender, RoutedEventArgs e)
{
string stringNewFen = UpdateFENTB.Text.Trim();
string stringId = UpdateIdNTB.Text.Trim();
if (commander.IsInputInvalid(stringNewFen, "New FEN") || commander.IsInputInvalid(stringId, "ID"))
{
MessageBox.Show($"Invalid input");
return;
}
if (stringNewFen.Length < 8)
{
MessageBox.Show($"FEN must consist of 8-10 letter or digits.");
return;
}
if (!commander.LettersAndDigitsInputOnly(stringNewFen))
{
MessageBox.Show($"FEN must consist of letters or digits only, {stringNewFen} is not valid FEN number");
return;
}
if (!int.TryParse(stringId, out int id))
{
MessageBox.Show($"Invalid id.");
return;
}
if (!commander.ExistsInDatabaseByID(OSHome.DbSources.Clients, id))
{
MessageBox.Show($"No client with ID: {id} in database.");
return;
}
Clients existingClient = db.Clients.Single(x => x.client_id == id);
if (existingClient.firm_evidence_number == stringNewFen)
{
MessageBox.Show($"New FEN is same as existing FEN.");
return;
}
if (!commander.FinalAcceptancePrompt())
{
return;
}
existingClient.firm_evidence_number = stringNewFen;
db.SaveChanges();
clientsDataGrid.Items.Refresh();
MessageBox.Show($"Successfully updated FEN number for client: ID: {existingClient.client_id}, {existingClient.client_first_name} {existingClient.client_name}.");
UpdateFENTB.Text = "New FEN";
UpdateIdNTB.Text = "ID";
}
private void Remove_Click(object sender, RoutedEventArgs e)
{
string value = RemoveNameTB.Text.Trim();
if (commander.IsInputInvalid(value, "Category name or ID"))
{
MessageBox.Show($"Input value is default or empty, type correct value");
return;
}
if (int.TryParse(value, out int parsedIntValue))
{
if (!commander.ExistsInDatabaseByID(OSHome.DbSources.Categories, parsedIntValue))
{
MessageBox.Show($"Category with ID: {parsedIntValue} doesn't exists in database.");
return;
}
}
else
{
if (!commander.ExistsInDatabaseByNameCaseSensitive(OSHome.DbSources.Categories, value))
{
MessageBox.Show($"Producer with name: {value} doesn't exists in database.");
return;
}
}
if (parsedIntValue == 0)
{
int categoryId = db.Categories.Single(x => x.category_name == value).category_id;
RemoveCat(categoryId);
}
else
{
RemoveCat(parsedIntValue);
}
}