public Requisition(int RequisitionID, Project ReqProject, DMLUser User, DateTime ReqDate)
{
this.RequisitionID = RequisitionID;
this.ReqProject = ReqProject;
this.User = User;
this.ReqDate = ReqDate;
}
public Delivery(int DeliveryID, Project DelProject, DMLUser User, DateTime DelDate)
{
this.DeliveryID = DeliveryID;
this.DelProject = DelProject;
this.User = User;
this.DelDate = DelDate;
}
private bool checkStudent(DMLUser tmpUser)
{
if (!Helpers.verifySGBDConnection(cn))
{
throw new Exception("Cannot connect to database.");
}
bool result = false;
SqlCommand cmdType = new SqlCommand("SELECT * FROM DML.Student WHERE NumMec=@nummec");
cmdType.Parameters.Clear();
cmdType.Parameters.AddWithValue("@nummec", tmpUser.NumMec);
cmdType.Connection = cn;
SqlDataReader typeData = cmdType.ExecuteReader();
if (typeData.HasRows)
{
typeData.Read();
user = new Student(
tmpUser.NumMec,
tmpUser.FirstName,
tmpUser.LastName,
tmpUser.Email,
tmpUser.PathToImage,
typeData["Course"].ToString()
);
result = true;
}
cn.Close();
return(result);
}
public HomeWindow(DMLUser user)
{
InitializeComponent();
this.User = user;
// Set user name label and image
user_name.Content = _user.FirstName + " " + _user.LastName;
if (!String.IsNullOrEmpty(_user.PathToImage))
{
// Try to load image
try
{
profile_image.Source = new BitmapImage(new Uri(_user.PathToImage, UriKind.Absolute));
}
catch (Exception exc)
{
}
}
// Show home page
Home page = new Home(_user.NumMec);
frame.Navigate(page);
}
public void addWorker(DMLUser worker)
{
if (worker == null)
{
throw new Exception("Trying to add invalid user to project!");
}
_workers.Add(worker);
}
private bool checkLogin()
{
if (String.IsNullOrEmpty(email_box.Text) || String.IsNullOrEmpty(password_box.Password))
{
throw new Exception("You must enter both fields to log in!");
}
bool result = false;
SqlCommand cmd;
SqlDataReader userData;
DMLUser tmpUser;
try {
cn = Helpers.getSGBDConnection();
if (!Helpers.verifySGBDConnection(cn))
{
throw new Exception("Cannot connect to database");
}
cmd = new SqlCommand("SELECT * FROM DML.CHECK_LOGIN (@email, @password)", cn);
cmd.Parameters.Clear();
cmd.Parameters.AddWithValue("@email", email_box.Text);
cmd.Parameters.AddWithValue("@password", password_box.Password);
userData = cmd.ExecuteReader();
if (userData.HasRows)
{
userData.Read();
tmpUser = new DMLUser(
int.Parse(userData["NumMec"].ToString()),
userData["FirstName"].ToString(),
userData["LastName"].ToString(),
userData["Email"].ToString(),
userData["PathToImage"].ToString()
);
cn.Close();
// Check if it is professor, student or staff
if (checkProfessor(tmpUser))
{
result = true;
}
if (!result && checkStudent(tmpUser))
{
result = true;
}
}
else if (!checkStaff())
{
throw new Exception("User and/or password are incorrect!");
}
result = true;
} catch (SqlException e) {
throw e;
} finally {
cn.Close();
}
return(result);
}
public bool removeWorker(DMLUser worker)
{
if (_workers.Contains(worker))
{
_workers.Remove(worker);
return(true);
}
return(false);
}
private void project_members_listbox_MouseDoubleClick(object sender, RoutedEventArgs e)
{
// Go to selected member's page
if (project_members.SelectedItem != null)
{
DMLUser user = project_members.SelectedItem as DMLUser;
HomeWindow window = (HomeWindow)Window.GetWindow(this);
window.goToUserPage(user);
}
}
public bool hasWorker(DMLUser user)
{
foreach (DMLUser worker in _workers)
{
if (worker.NumMec == user.NumMec)
{
return(true);
}
}
return(false);
}
public UserPage(DMLUser User)
{
InitializeComponent();
this.User = User;
RequisitionsData = new ObservableCollection <Requisition>();
// Set user's infos
user_name.Text = _user.FirstName + ' ' + _user.LastName;
user_email.Text = _user.Email;
user_nmec.Text = _user.NumMec.ToString();
if (!String.IsNullOrEmpty(_user.PathToImage))
{
// Try to load image
try {
user_image.Source = new BitmapImage(new Uri(_user.PathToImage, UriKind.Absolute));
} catch (Exception e)
{
}
}
// Change label text based on user type (student or professor)
if (typeof(Professor).IsInstanceOfType(this.User))
{
course_area.Content = "Scientific Area";
user_course_area.Text = ((Professor)_user).ScientificArea;
}
else
{
course_area.Content = "Course";
user_course_area.Text = ((Student)_user).Course;
}
try
{
// Load user's requisitions
loadRequisitions();
}
catch (SqlException exc)
{
Helpers.ShowCustomDialogBox(exc);
}
catch (Exception exc)
{
MessageBox.Show(exc.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
user_last_requisitions_list.ItemsSource = RequisitionsData;
}
private void button_Click(object sender, RoutedEventArgs e)
{
user = null;
staff = null;
try
{
// Check for valid credentials
bool logged = checkLogin();
if (logged)
{
// Go to user's window, based on it's class (user or staff)
if (user != null)
{
HomeWindow home = new HomeWindow(user);
home.Show();
}
else if (staff != null)
{
StaffWindow staffHome = new StaffWindow(staff);
staffHome.Show();
}
Window.GetWindow(this).Hide();
}
else
{
MessageBox.Show("User or password wrong !");
}
}
catch (SqlException exc)
{
Helpers.ShowCustomDialogBox(exc);
}
catch (Exception exc)
{
MessageBox.Show(exc.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
public void goToUserPage(DMLUser user)
{
UserPage page = new UserPage(user);
frame.Navigate(page);
}
