private void Update_Click(object sender, RoutedEventArgs e)
{
string newName = UpdateNewNameTB.Text.Trim();
string oldName = UpdateOldNameTB.Text.Trim();
if (commander.IsInputInvalid(newName, "New name") || commander.IsInputInvalid(oldName, "Old name"))
{
MessageBox.Show("Empty or default value is invalid for updating");
return;
}
if (commander.ExistsInDatabaseByNameCaseInsensitive(OSHome.DbSources.Categories, newName, out string found))
{
MessageBox.Show($"Category named {newName} already exists in database.");
return;
}
if (!commander.ExistsInDatabaseByNameCaseSensitive(OSHome.DbSources.Categories, oldName))
{
MessageBox.Show($"Category named {oldName} doesn't exists in database.");
return;
}
if (!commander.FinalAcceptancePrompt())
{
return;
}
Categories categoryToUpdate = new Categories();
categoryToUpdate = db.Categories.Single(x => x.category_name == oldName);
categoryToUpdate.category_name = newName;
db.SaveChanges();
categoriesDataGrid.Items.Refresh();
UpdateNewNameTB.Text = "New name";
UpdateOldNameTB.Text = "Old name";
MessageBox.Show($"Successfully updated: {oldName} into: {newName}.");
}
private void Update_Click(object sender, RoutedEventArgs e)
{
string stringId = UpdateIDTB.Text.Trim();
string newLastName = UpdateLastNameTB.Text.Trim();
if (commander.IsInputInvalid(stringId, "ID") || !int.TryParse(stringId, out int id) || !commander.LettersInputOnly(newLastName))
{
MessageBox.Show($"{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($"Successfully updated employee: {emp.employee_first_name} {oldLastName} into: {emp.employee_first_name} {newLastName}");
}
private void Add_Click(object sender, RoutedEventArgs e)
{
string firstName = AddFirstNameTB.Text.Trim();
string lastName = AddLastNameTB.Text.Trim();
string fen = AddFENTB.Text.Trim();
if (commander.IsInputInvalid(firstName, "First name") || commander.IsInputInvalid(lastName, "Last name"))
{
MessageBox.Show($"Invalid name value.");
return;
}
if (!commander.LettersInputOnly(firstName))
{
MessageBox.Show($"First name must consist of letter only.");
return;
}
if (!commander.LettersInputOnly(lastName))
{
MessageBox.Show($"Last name must consist of letter only.");
return;
}
if (fen.Length > 0 && fen.Length < 8)
{
MessageBox.Show($"FEN must consist of 8-10 letters or digits or must be empty.");
return;
}
if (!commander.LettersAndDigitsInputOnly(fen))
{
MessageBox.Show($"FEN must consist of letters or digits only, {fen} is not valid FEN number");
return;
}
var duplicatedClient = db.Clients.SingleOrDefault(x =>
x.client_first_name.ToLower() == firstName.ToLower() &&
x.client_name.ToLower() == lastName.ToLower() &&
x.firm_evidence_number.ToLower() == fen.ToLower());
if (duplicatedClient != null)
{
MessageBox.Show($"Client already exists.\nID: {duplicatedClient.client_id}, {duplicatedClient.client_first_name} {duplicatedClient.client_name}, FEN: {duplicatedClient.firm_evidence_number}");
return;
}
Clients newClient = new Clients();
newClient.client_first_name = firstName;
newClient.client_name = lastName;
newClient.firm_evidence_number = fen;
db.Clients.Add(newClient);
db.SaveChanges();
MessageBox.Show($"Successfully created client:\nID: {newClient.client_id}, {newClient.client_first_name} {newClient.client_name}, FEN: {newClient.firm_evidence_number}");
AddFirstNameTB.Text = "First name";
AddLastNameTB.Text = "Last name";
AddFENTB.Text = "FEN";
}
void CreateNewOrder_Click(object sender, RoutedEventArgs e)
{
var clientDGSelection = ClientsDG.SelectedItem;
if (clientDGSelection == null)
{
MessageBox.Show($"Select client for order.");
return;
}
var employeeDGSelection = EmployeesDG.SelectedItem;
if (employeeDGSelection == null)
{
MessageBox.Show($"Select employee for order.");
return;
}
if (productsInOrder.Count() == 0)
{
MessageBox.Show($"Order must contain at least one product.");
return;
}
Orders newOrder = new Orders();
newOrder.client_id = ((Clients)clientDGSelection).client_id;
newOrder.order_employee = ((Employees)employeeDGSelection).employee_id;
var date = DateTime.Now;
TimeSpan ts = new TimeSpan(0, 1, 0);
date -= ts;
///one minute is substracted - when DateTime is converted to sql ShortDateTime the value is rounded up, it may breake sql constraint <= GETDATE()///
newOrder.order_date = date;
foreach (var p in productsInOrder)
{
Ord_Prod newOrderProduct = new Ord_Prod();
newOrderProduct.product_id = p.productId;
newOrderProduct.quantity = (short)p.quantity;
newOrder.Ord_Prod.Add(newOrderProduct);
}
try
{
db.Orders.Add(newOrder);
db.SaveChanges();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
MessageBox.Show("New order successfully created.");
ResetAllValues();
}
internal void RemoveFromDb(DbSources sourceCat, int index)
{
switch (sourceCat)
{
case DbSources.Producers:
{
Producers producerToRemove = db.Producers.Single(x => x.producer_id == index);
db.Producers.Remove(producerToRemove);
db.SaveChanges();
break;
}
case DbSources.Categories:
{
Categories categoryToRemove = db.Categories.Single(x => x.category_id == index);
db.Categories.Remove(categoryToRemove);
db.SaveChanges();
break;
}
case DbSources.Products:
{
Products productToRemove = db.Products.Single(x => x.product_id == index);
db.Products.Remove(productToRemove);
db.SaveChanges();
break;
}
case DbSources.Employees:
{
Employees employeeToRemove = db.Employees.Single(x => x.employee_id == index);
db.Employees.Remove(employeeToRemove);
db.SaveChanges();
break;
}
case DbSources.Clients:
break;
}
}
private void Add_Click(object sender, RoutedEventArgs e)
{
string value = AddNameTB.Text.Trim();
if (commander.IsInputInvalid(value, "Producer name"))
{
MessageBox.Show($"Can't add empty or default value to database.");
return;
}
if (commander.ExistsInDatabaseByNameCaseInsensitive(OSHome.DbSources.Producers, value, out string found))
{
MessageBox.Show($"Producer with name {found} already exists in database.");
return;
}
Producers newProducer = new Producers();
newProducer.producer_name = value;
db.Producers.Add(newProducer);
db.SaveChanges();
MessageBox.Show($"Successfully added new producer to database: {value}.");
AddNameTB.Text = "Producer name";
}
private void DeleteOrder_Click(object sender, RoutedEventArgs e)
{
if (OrdersDG.SelectedItem == null)
{
return;
}
if (MessageBox.Show("Are you sure?", "Confirmation", MessageBoxButton.YesNo) == MessageBoxResult.No)
{
return;
}
int selectedOrderId = ((Order)OrdersDG.SelectedItem).orderId;
Orders selectedOrder = db.Orders.Single(x => x.order_id == selectedOrderId);
db.Orders.Remove(selectedOrder);
db.SaveChanges();
RefreshOrders();
MessageBox.Show($"Order successfully deleted.");
}
private void Add_Click(object sender, RoutedEventArgs e)
{
var cat = db.Categories.SingleOrDefault(x => x.category_name == AddCategoriesCB.Text);
var prod = db.Producers.SingleOrDefault(x => x.producer_name == AddProducersCB.Text);
if (cat == null || prod == null)
{
MessageBox.Show("Choose correct category and producer");
return;
}
if (commander.IsInputInvalid(AddNameTB.Text, "Product name"))
{
MessageBox.Show($"Product name must not be empty");
return;
}
string integerPartS = AddPriceIntTB.Text.Trim();
string decimalPartS = AddatePriceDecimalTB.Text.Trim();
if (!int.TryParse(integerPartS, out int integerPart) || !int.TryParse(decimalPartS, out int decimalPart))
{
MessageBox.Show($"Invalid value of price.");
return;
}
string concatPrice = integerPartS + "." + decimalPartS;
if (!decimal.TryParse(concatPrice, out decimal newPrice))
{
MessageBox.Show($"Invalid price");
return;
}
string productName = AddNameTB.Text;
int categoryId = cat.category_id;
int producerId = prod.producer_id;
if (commander.ExistsInDatabaseByNameCaseSensitive(OSHome.DbSources.Products, productName))
{
Products existingProduct = db.Products.Single(x => x.product_name == productName);
if (existingProduct.price == newPrice && existingProduct.category == categoryId && existingProduct.producer == producerId)
{
MessageBox.Show($"Product with values:\nName: {productName} already exists. (ID = {existingProduct.product_id})");
return;
}
}
Products newProduct = new Products();
newProduct.product_name = productName;
newProduct.category = (short)categoryId;
newProduct.producer = (short)producerId;
newProduct.price = newPrice;
db.Products.Add(newProduct);
db.SaveChanges();
if (category_nameComboBox.Text != string.Empty && newProduct.category == (category_nameComboBox.SelectedItem as Categories).category_id)
{
RefillProductsByCatList();
}
MessageBox.Show($"Successfully created new product:\nID: {newProduct.product_name}");
AddCategoriesCB.SelectedIndex = 0;
AddProducersCB.SelectedIndex = 0;
AddNameTB.Text = "Product name";
AddPriceIntTB.Text = "Integer part";
AddatePriceDecimalTB.Text = "Decimal part";
}
