public void ReturnItems(IList<PurchaseTransaction_Item> theItems, LoginSession theSession)
{
IList<ReturnTransactionItem> newItems = this.convertItemsToReturnItems(theItems);
ReturnTransaction theTransaction = new ReturnTransaction
{
Employee_id = theSession.Id.ToString(),
returnTime = DateTime.Now
};
var id = this.returnRepo.AddOne(theTransaction);
foreach (var returnTransactionItem in newItems)
{
returnTransactionItem.ReturnTransactionId = id;
}
try
{
this.returnItemRepo.AddList(newItems);
}
catch (Exception)
{
this.DeleteTransaction(newItems, id);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AdminUC"/> class.
/// </summary>
/// <param name="theGrid">The grid.</param>
/// <param name="theSession">The session.</param>
public AdminUC(DataGridView theGrid, LoginSession theSession)
{
if (theSession.IsAdmin && theSession.IsAuthenticated)
{
DataGrid = theGrid;
this.InitializeComponent();
UserControlType = UserControls.Admin;
this.theSession = theSession;
this.theController = new GenericSqlController();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TransactionUC"/> class.
/// </summary>
/// <param name="theGrid">The grid.</param>
/// <param name="session">The session.</param>
public TransactionUC(DataGridView theGrid, LoginSession session)
{
this.DataGrid = theGrid;
this.InitializeComponent();
this.itemsToPurchase = new BindingList<PurchaseTransaction_Item>();
this.session = session;
this.DataGrid.RowsAdded += this.DataGridOnRowsChanged;
this.DataGrid.RowsRemoved += this.DataGridOnRowsChanged;
this.dateTimePicker1.MinDate = DateTime.Now;
UserControlType = UserControls.Transaction;
}
private void loginButton_Click(object sender, EventArgs e)
{
var theController = new EmployeeController();
var id = 0;
int.TryParse(this.usernameTextBox.Text, out id);
DialogResult = DialogResult.None;
if (id != 0)
{
var theUser = new LoginSession();
try
{
theUser = theController.ValidateUserOnNetwork(id, this.passwordTextBox.Text);
}
catch (Exception exception)
{
ErrorHandler.DisplayErrorMessageToUserAndLog("Network Error",
"Unable to connect to SQL Database. Please try again.", exception);
}
if (theUser.IsAuthenticated)
{
Tag = theUser;
DialogResult = DialogResult.OK;
Close();
}
else
{
ErrorHandler.DisplayErrorBox("Login Error", "Invalid login information. Please try again.");
}
}
else
{
ErrorHandler.DisplayErrorBox("Login Error", "Invalid login information. Please try again.");
}
}
private void loginUser()
{
var loginWindow = new LoginForm();
var loginResult = loginWindow.ShowDialog(this);
if (loginResult == DialogResult.OK)
{
Enabled = true;
Opacity = 100;
this.loginSession = loginWindow.Tag as LoginSession;
this.verifyAdminRights();
}
else
{
Close();
}
}
private void proccessAdminParent(AdminUC adminUc)
{
if (adminUc != null && adminUc.theSession.IsAdmin && adminUc.theSession.IsAuthenticated)
{
this.theSession = adminUc.theSession;
this.verifyAdminButtonsMainState();
}
}
/// <summary>
/// Logs in the employee to database.
/// </summary>
/// <param name="theSession">The session.</param>
/// <returns></returns>
public LoginSession LoginEmployeeToDatabase(LoginSession theSession)
{
var sqlStatement = "SELECT id, IsAdmin FROM Employee WHERE id = @Username AND password = @Password";
var connection = new MySqlConnection(this.CONNECTION_STRING);
var command = new MySqlCommand(sqlStatement);
command.Parameters.AddWithValue("@Username", theSession.Id);
command.Parameters.AddWithValue("@Password", theSession.Password);
command.Connection = connection;
try
{
command.Connection.Open();
var reader = command.ExecuteReader();
theSession.IsAuthenticated = false;
theSession.IsAdmin = false;
if (reader.HasRows)
{
reader.Read();
if (theSession.Id == (int) reader["id"])
{
theSession.IsAuthenticated = true;
if ((bool) reader["IsAdmin"])
{
theSession.IsAdmin = true;
}
}
}
}
finally
{
command.Connection.Close();
}
return theSession;
}
/// <summary>
/// Adds the one.
/// </summary>
/// <param name="employee">The employee.</param>
/// <param name="loginSession">The login session.</param>
/// <exception cref="ArgumentNullException"></exception>
public void AddOne(Employee employee, LoginSession loginSession)
{
if (employee == null || loginSession == null || loginSession.Password == null)
{
throw new ArgumentNullException();
}
const string statement = "INSERT INTO Employee (fname, lname, phone, Address_id, IsAdmin, ssn, password)" +
" VALUES (@Fname, @Lname, @Phone, @Address, @Admin, @Ssn, @Password)";
var connection = new MySqlConnection(this.CONNECTION_STRING);
using (var command = new MySqlCommand(statement))
{
command.Parameters.AddWithValue("@Fname", employee.FirstName);
command.Parameters.AddWithValue("@Lname", employee.LastName);
command.Parameters.AddWithValue("@Phone", employee.PhoneNumber);
command.Parameters.AddWithValue("@Address", employee.EmployeeAddress.Id);
command.Parameters.AddWithValue("@Admin", employee.IsAdmin);
command.Parameters.AddWithValue("@Ssn", employee.SSN);
command.Parameters.AddWithValue("@Password", loginSession.Password);
command.Connection = connection;
try
{
command.Connection.Open();
command.ExecuteNonQuery();
}
finally
{
command.Connection.Close();
}
}
}
/// <summary>
/// Processes the parent intention.
/// </summary>
public override void processParentIntention()
{
this.theSession = (ParentParameter as TransactionUC)?.session;
}
