private void Find_Click(object sender, RoutedEventArgs e)
{
string value = FindTB.Text.Trim();
if (commander.IsInputInvalid(value, "Category name"))
{
MessageBox.Show("Invalid value");
return;
}
if (commander.ExistsInDatabaseByNameCaseInsensitive(OSHome.DbSources.Categories, value, out string found))
{
int categoryId = db.Categories.Single(x => x.category_name == found).category_id;
MessageBox.Show($"Found:\nID: {categoryId}\nName: {found}");
return;
}
MessageBox.Show("Not Found");
FindTB.Text = "Category name";
}
private void Find_Click(object sender, RoutedEventArgs e)
{
string firstName = FindFirstNameTB.Text.Trim();
string lastName = FindLastNameTB.Text.Trim();
if (commander.IsInputInvalid(firstName, "First name") || commander.IsInputInvalid(lastName, "Last name") || !commander.LettersInputOnly(firstName) || !commander.LettersInputOnly(lastName))
{
MessageBox.Show("Invalid first name or last name values.");
return;
}
var foundEmployees = db.Employees.Where(x => x.employee_first_name.ToLower() == firstName.ToLower() && x.employee_name.ToLower() == lastName.ToLower());
if (foundEmployees.Count() == 0)
{
MessageBox.Show($"No employees named {firstName} {lastName} found.");
return;
}
StringBuilder sb = new StringBuilder();
foreach (var emp in foundEmployees)
{
sb.Append($"ID: {emp.employee_id}, {emp.employee_first_name} {emp.employee_name}\n");
}
MessageBox.Show($"Employees found:\n{sb}");
FindFirstNameTB.Text = "First name";
FindLastNameTB.Text = "Last name";
}
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($"Successfully added new producer to database: {value}.");
AddNameTB.Text = "Producer name";
}
private void Add_Click(object sender, RoutedEventArgs e)
{
string firstName = AddFirstNameTB.Text.Trim();
string lastName = AddLastNameTB.Text.Trim();
string fen = AddFENTB.Text.Trim();
if (commander.IsInputInvalid(firstName, "First name") || commander.IsInputInvalid(lastName, "Last name"))
{
MessageBox.Show($"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";
}
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";
}
