public MainViewModel()
{
EmployeeHandler = new EmployeeHandler(this);
if (OpenDbConnection)
{
PersistencyService.OpenApiConnection();
}
EmployeesInDb = new ObservableCollection <Employee>();
LoggedInEmployees = new List <Employee>();
DatabaseTable = new ObservableCollection <Employee>();
if (OpenDbConnection)
{
PersistencyService.GetData(EmployeesInDb);
PersistencyService.GetDataLoggedIn(LoggedInEmployees);
}
LoginOrLogoutCommand = new RelayCommand(EmployeeHandler.LoginOrLogout);
CompleteEmployeeListCommand = new RelayCommand(EmployeeHandler.CompleteEmployeeList);
PersonalEntryListCommand = new RelayCommand(EmployeeHandler.PersonalEntryList);
OwnDepartmentListCommand = new RelayCommand(EmployeeHandler.OwnDepartmentList);
AddSickOrVacationdaysCommand = new RelayCommand(EmployeeHandler.ChangeVacationOrSickdays);
AdminChangePersonalInfoCommand = new RelayCommand(EmployeeHandler.AdminChangePersonalInfo);
AdminChangeSalaryInfoCommand = new RelayCommand(EmployeeHandler.AdminChangeSalaryInfo);
SortByNameCommand = new RelayCommand(EmployeeHandler.SortByName);
SortByEmployeeIdCommand = new RelayCommand(EmployeeHandler.SortByEmployeeId);
ExportAsCsvCommand = new RelayCommand(() => ExportEmployeesToCsvFile());
}
/// <summary>
/// The admin metohd of changing other employee's personal data (Name and Manager attribtues).
/// </summary>
public void AdminChangePersonalInfo()
{
if (SelectedEmployee == null)
{
if (MainViewModel.OpenDbConnection == false)
{
throw new NullReferenceException("Please select an employee to edit.");
}
return;
}
//Admin level 1 and 2 privileges check
var admin = (AdminEmp)LastLoggedIn;
if (admin.AdminLvl != 2) //If admin is lvl 1
{
if (SelectedEmployee.Manager != LastLoggedIn.Name)
{
if (MainViewModel.OpenDbConnection == false)
{
throw new ArgumentException("Error! You can only change data for your own employees.");
}
var errorMsg = new MessageDialog("You can only change data for your own employees.", "Error");
errorMsg.ShowAsync();
return;
}
}
if (!String.IsNullOrWhiteSpace(_viewModel.AdminChangeNameBox))
{
SelectedEmployee.Name = _viewModel.AdminChangeNameBox;
}
if (!String.IsNullOrWhiteSpace(_viewModel.AdminChangeManagerBox))
{
SelectedEmployee.Manager = _viewModel.AdminChangeManagerBox;
}
if (MainViewModel.OpenDbConnection == false)
{
return;
}
PersistencyService.PutData(SelectedEmployee);
PersistencyService.GetData(_viewModel.EmployeesInDb);
if (admin.AdminLvl != 2)
{
OwnDepartmentList();
}
else
{
PersistencyService.GetData(_viewModel.DatabaseTable);
}
}
/// <summary>
/// Returns the complete visual list of employees in the admin's own department.
/// </summary>
public void OwnDepartmentList()
{
PersistencyService.GetData(_viewModel.EmployeesInDb);
var allEmployees = _viewModel.EmployeesInDb.ToList();
var ownDepartment = from e in allEmployees where e.Manager == LastLoggedIn.Name select e;
_viewModel.DatabaseTable.Clear();
foreach (var e in ownDepartment)
{
_viewModel.DatabaseTable.Add(e);
}
}
private void UpdateLogoutTime()
{
if (MainViewModel.OpenDbConnection)
{
PersistencyService.GetData(_viewModel.EmployeesInDb); //Need updated LastLogin before updating LastLogout
}
var employeeList = _viewModel.EmployeesInDb.ToList();
var employeeToLogout = employeeList.Find(e => e.EmployeeId == _employeeToLogout.EmployeeId);
_employeeToLogout = employeeToLogout;
_employeeToLogout.LastLogout = DateTime.Now;
}
/// <summary>
/// The standard- and admin employee's method of adding own vacation or sickdays.
/// </summary>
public void ChangeVacationOrSickdays()
{
if (DanxMainPage.SickDayRButton.IsChecked == true)
{
LastLoggedIn.SickDays += 1;
}
else if (DanxMainPage.VacationDayRButton.IsChecked == true)
{
LastLoggedIn.VacationDays += 1;
}
if (MainViewModel.OpenDbConnection == false)
{
return;
}
PersistencyService.PutData(LastLoggedIn);
PersistencyService.GetData(_viewModel.EmployeesInDb);
var updatedEmpList = _viewModel.EmployeesInDb.ToList();
var updatedEmp = updatedEmpList.Find(e => e.EmployeeId == LastLoggedIn.EmployeeId);
_viewModel.DatabaseTable.Clear();
_viewModel.DatabaseTable.Add(updatedEmp);
}
/// <summary>
/// The admin metohd of changing other employee's salary data (SalaryNumber, VacationDays, SickDays and WorkedDays attribtues).
/// </summary>
public void AdminChangeSalaryInfo()
{
if (SelectedEmployee == null)
{
return;
}
var admin = (AdminEmp)LastLoggedIn;
if (admin.AdminLvl != 2) //If admin is lvl 1
{
if (SelectedEmployee.Manager != LastLoggedIn.Name)
{
var errorMsg = new MessageDialog("You can only change data for your own employees.", "Error");
errorMsg.ShowAsync();
return;
}
}
try
{
//The following needs parsing due to the fact that the TextBox controls are bound to string values.
if (!String.IsNullOrWhiteSpace(_viewModel.AdminChangeSalaryNumberBox))
{
SelectedEmployee.SalaryNumber = int.Parse(_viewModel.AdminChangeSalaryNumberBox);
}
if (!String.IsNullOrWhiteSpace(_viewModel.AdminChangeVacationDaysBox))
{
SelectedEmployee.VacationDays = int.Parse(_viewModel.AdminChangeVacationDaysBox);
}
if (!String.IsNullOrWhiteSpace(_viewModel.AdminChangeSickDaysBox))
{
SelectedEmployee.SickDays = int.Parse(_viewModel.AdminChangeSickDaysBox);
}
if (!String.IsNullOrWhiteSpace(_viewModel.AdminChangeWorkedDaysBox))
{
SelectedEmployee.WorkedDays = int.Parse(_viewModel.AdminChangeWorkedDaysBox);
}
if (MainViewModel.OpenDbConnection == false)
{
return;
}
PersistencyService.PutData(SelectedEmployee);
PersistencyService.GetData(_viewModel.EmployeesInDb);
if (admin.AdminLvl != 2)
{
OwnDepartmentList();
}
else
{
PersistencyService.GetData(_viewModel.DatabaseTable);
}
}
catch (FormatException)
{
var errorMsg = new MessageDialog("Only integer values are allowed.", "Error");
if (MainViewModel.OpenDbConnection)
{
errorMsg.ShowAsync();
}
}
}
/// <summary>
/// Returns the complete visual employeelist for the admin.
/// </summary>
public void CompleteEmployeeList()
{
PersistencyService.GetData(_viewModel.DatabaseTable);
}