//Trainee
public string AddTrainee(Trainee trainee)
{
try
{
//Tester id validation
if (DAL_Class.IsIdFormatValid(trainee.Id) == false)
{
throw new Exception(trainee.GetName() + "'s Id " + trainee.Id + " is not valid");
}
else if (DAL_Class.IsTraineeIdFound(trainee.Id) == true)
{
throw new Exception(trainee.GetName() + "'s Id " + trainee.Id + " is already found");
}
else
{
DataSource.TraineesList.Add(trainee);
SaveTraineesList(DataSource.TraineesList);
return(null);
}
}
catch (Exception e)
{
return(e.Message);
}
}
//Data manipulations on TRAINEES
/// <summary>
/// Adds a trainee to the trainee list in the Data Source
/// </summary>
/// <param name="trainee">Trainee to be added</param>
public string AddTrainee(Trainee trainee)
{
string error = "Failed to add " + trainee.GetName();
if (IsTraineeIdFound(trainee.Id) == true)
{
return("Id " + trainee.Id + " was already found");
}
else if (TraineePropertiesValidation(trainee) == true)
{
error = m_xamlImp.AddTrainee(trainee);
}
return(error);
}
/// <summary>
/// Updates a trainee's properties
/// </summary>
/// <param name="targetTrainee">Trainee to be updated</param>
/// <param name="sourceTrainee">Trainee update source</param>
public string UpdateTrainee(Trainee targetTrainee, Trainee sourceTrainee)
{
try
{
if (IsTraineeIdFound(targetTrainee.Id) == false)
{
throw new Exception(targetTrainee.GetName() + " was not found");
}
else if (TraineePropertiesValidation(sourceTrainee) == false)
{
throw new Exception("Couldnt update the trainee because of 1 or more errors");
}
else
{
return(m_xamlImp.UpdateTrainee(targetTrainee, sourceTrainee));
}
}
catch (Exception e)
{
return(e.Message);
}
}
/// <summary>
/// Return true if all of the Test's properties are valid
/// </summary>
/// <param name="test">Test to be validated</param>
/// <returns></returns>
public static bool TestPropertiesValidation(Test test)
{
Trainee trainee = GetTraineeById(test.TraineeId);
Tester tester = GetTesterById(test.TesterId);
try
{
//Trainee's Id format validation
if (IsIdFormatValid(trainee.Id) == false)
{
throw new Exception(trainee.GetName() + "'s Id is not valid");
}
//Trainee's existence validation
else if (trainee == null)
{
throw new Exception(trainee.GetName() + " was not found!");
}
//Tester's Id format validation
else if (IsIdFormatValid(tester.Id) == false)
{
throw new Exception(tester.GetName() + "'s id is not valid");
}
//Tester's existence validation
else if (tester == null)
{
throw new Exception(tester.GetName() + " was not found!");
}
//Number of days passed since the trainee's last test validation
else if (trainee.DaysPassedSinceLastTest < Configuration.MinimalDaysBetweenTests)
{
throw new Exception("Test can only be scheduled at least " + Configuration.MinimalDaysBetweenTests + " days after the trainee's last test.");
}
//Validating if the tester is available for test at that date & time
else if (IsTesterFreeForTest(tester, test.TestDateAndTime) == false)
{
throw new Exception("Tester with Id" + tester.Id + " is busy at " + test.TestDateAndTime);
}
//Test location validation
else if (IsAddressExists(test.TestLocation) == false)
{
throw new Exception("Test location \"" + test.TestLocation + "\" is not valid");
}
//Tester's notes validations
else if (test.TesterNotes == "" || test.TesterNotes == null)
{
throw new Exception("You didnt write any notes");
}
//Trainee's driving lessons' count validation
else if (trainee.DrivingLessonsCount < Configuration.MinimalLessonsCount)
{
throw new Exception(trainee.GetName() + " must do at least " + Configuration.MinimalLessonsCount + " driving lessons before doing a test");
}
//Tester's weekly tests count validation
else if (tester.MaximalWeeklyTests <= tester.WeeklyTestsCount)
{
throw new Exception(tester.GetName() + " can't do more than " + tester.MaximalWeeklyTests + " tests in a week");
}
//Validating if the trainee is currently owning the desired lisence
else if (IsLisenceOwned(trainee.OwnedLisences, trainee.WantedLisence) == false)
{
throw new Exception("Lisence " + trainee.CarType + " is already owned by " + trainee.GetName());
}
//Validating if the tester can test a trainee for the trainee's desired lisence
else if (tester.CarType != trainee.CarType)
{
throw new Exception(tester.GetName() + " can't test " + trainee.GetName() + " for lisence " + trainee.CarType);
}
else
{
return(true);
}
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
return(false);
}
}
//Validations
private void ValidateTraineeIdField()
{
if (traineeIdTb.Validator == null)
{
return;
}
Trainee trainee = GetTrainee();
traineeIdTb.Validator.Visibility = Visibility.Visible;
try
{
if (traineeIdTb.IsHintVisible == true || GetTraineeId() == "")
{
throw new Exception("trainee's Id field can't be empty");
}
else if (BlValidations.IsIdFormatValid(GetTraineeId()) == false)
{
throw new Exception("Id " + trainee.Id + "'s format is not valid");
}
else if (trainee == null)
{
throw new Exception("Couldn't find trainee with Id " + GetTraineeId());
}
else if (GetTesterById(GetTraineeId()) != null)
{
throw new Exception("This Id belongs to an existing Tester");
}
else if (trainee.DaysPassedSinceLastTest < Configuration.MinimalDaysBetweenTests)
{
throw new Exception("Test can only be scheduled at least " + Configuration.MinimalDaysBetweenTests
+ " days after the trainee's last test.");
}
else if (trainee.DrivingLessonsCount < Configuration.MinimalLessonsCount)
{
throw new Exception(trainee.GetName() + " must do at least " + Configuration.MinimalLessonsCount
+ " driving lessons before doing a test");
}
else if (BlValidations.IsLisenceOwned(trainee.OwnedLisences, trainee.WantedLisence) == true)
{
throw new Exception("Lisence " + trainee.CarType + " is already owned by " + trainee.GetName());
}
else if (BlValidations.IsCarTypeExist(trainee.ScheduleList, trainee.CarType) == true)
{
throw new Exception("trainee with Id " + trainee.Id + " is already have an upcomming test for " + trainee.CarType);
}
else
{
traineeIdTb.Validator.Validate(true);
traineeIdTb.Validator.ToolTip = "Good";
traineeNameTb.Text = trainee.GetName();
traineeCarTypeCb.ComboBox.SelectedItem = trainee.CarType;
}
}
catch (Exception e)
{
traineeIdTb.Validator.ToolTip = e.Message;
traineeIdTb.Validator.Validate(false);
traineeNameTb.Text = "";
traineeCarTypeCb.Text = "";
}
}
//Events
private void Window_Loaded(object sender, RoutedEventArgs e)
{
traineeDetailsTb.Text = string.Format("Id: {0}, {1}", m_targetTest.TraineeId, m_targetTrainee.GetName());
testerDetailsTb.Text = string.Format("Id: {0}, {1}", m_targetTester.Id, m_targetTester.GetName());
testDetailsTb.Text = string.Format("Testing for {0} (Car Type) \nat {1} \non {2}",
m_targetTest.CarType,
m_targetTest.TestLocation,
m_targetTest.TestDateAndTime);
m_mainWin = UIFactory.GetMainWin();
}