public bool AddTester(Tester tester)
{
//if tester is to young
if (DateTime.Now.Year - tester.DateOfBirth.Year < Configuration.minTesterAge)
{
throw new Exception("A tester cannot be under " + Configuration.minTesterAge + " years old /n");
}
//if tester is to old
if (DateTime.Now.Year - tester.DateOfBirth.Year > Configuration.MaxTesterAge)
{
throw new Exception("A tester cannot be over " + Configuration.minTesterAge + " years old /n");
}
try
{
IDal _dal = FactorySingletonDal.GetDal();
if (_dal.AddTester(tester))
{
return(true);
}
return(false);
}
catch (Exception e)
{
throw e;
}
}
public bool AddDrivingTest(Test test)
{
Trainee helpTrainee = GetTrainees().FirstOrDefault(t => t.ID == test.TraineeID);
Tester helpTester = GetTesters().FirstOrDefault(t => t.ID == test.TesterID);
//get all trainee tests. the last test will be first;
var TraineeTests = ((from t in GetTests()
where t.TraineeID == test.TraineeID
select t).OrderByDescending(t => test.TestDay.Year)
.ThenByDescending(t => test.TestDay.Month)
.ThenByDescending(t => test.TestDay.Day).ToList());
//check there is enough days between tests
if (TraineeTests.Any())
{
TimeSpan ts = test.TestDay - TraineeTests.First().TestDay;
if (ts.Days < Configuration.daysBetweenTests)
{
throw new Exception("There must be at least " + Configuration.daysBetweenTests + " days before a trainee can take another test\n");
}
}
//check trainee took enough lessons
if (helpTrainee.NumOfLessons < Configuration.minLessons)
{
throw new Exception("A trainee cannot take a test if he took less than" + Configuration.minLessons + " lessons\n");
}
//find all tests trainee succedded
var licence = from t in GetTests()
where t.TraineeID == test.TraineeID && t.TestResult == true
select t;
//check if trainee already have a licence to this type of car
foreach (var item in licence)
{
if (item.Vehicle == test.Vehicle)
{
throw new Exception("Trainee already has licence for this type of car");
}
}
try
{
IDal _dal = FactorySingletonDal.GetDal();
if (_dal.AddDrivingTest(test))
{
helpTester.NumOfTests++;
helpTrainee.NumOfTests++;
return(true);
}
return(false);
}
catch (Exception e)
{
throw e;
}
}
public bool UpdateTrainee(Trainee trainee)
{
try
{
IDal _dal = FactorySingletonDal.GetDal();
_dal.UpdateTrainee(trainee);
}
catch (Exception e)
{
throw e;
}
return(true);
}
public bool UpdateTester(Tester tester)
{
try
{
IDal _dal = FactorySingletonDal.GetDal();
_dal.UpdateTester(tester);
}
catch (Exception e)
{
throw e;
}
return(true);
}
public bool UpdateDrivingTest(Test test)
{
try
{
IDal _dal = FactorySingletonDal.GetDal();
_dal.UpdateDrivingTest(test);
return(true);
}
catch (Exception e)
{
throw e;
}
}
public bool RemoveTester(string testerID)
{
try
{
IDal _dal = FactorySingletonDal.GetDal();
_dal.RemoveTester(testerID);
}
catch (Exception e)
{
throw e;
}
return(true);
}
public bool RemovedrivingTest(int serialNumber)
{
try
{
IDal _dal = FactorySingletonDal.GetDal();
if (_dal.RemovedrivingTest(serialNumber))
{
return(true);
}
return(false);
}
catch (Exception e)
{
throw e;
}
}
public bool RemoveTrainee(string traineeID)
{
IDal _dal = FactorySingletonDal.GetDal();
try
{
if (_dal.RemoveTrainee(traineeID))
{
return(true);
}
return(false);
}
catch (Exception e)
{
throw e;
}
}
public bool AddTrainee(Trainee trainee)
{
//if trainee is to young
if (DateTime.Now.Year - trainee.DateOfBirth.Year < Configuration.minTraineeAge)
{
throw new Exception("A trainee cannot be under " + Configuration.minTraineeAge + " years old \n");
}
try
{
IDal _dal = FactorySingletonDal.GetDal();
if (_dal.AddTrainee(trainee))
{
return(true);
}
return(false);
}
catch (Exception e)
{
throw e;
}
}
public List <Trainee> GetTrainees(Predicate <Trainee> predicate = null)
{
IDal _dal = FactorySingletonDal.GetDal();
return(_dal.GetTrainees(predicate));
}
public List <Test> GetTests(Predicate <Test> predicate = null)
{
IDal _dal = FactorySingletonDal.GetDal();
return(_dal.GetTests(predicate));
}
public Bl_imp()
{
dal = FactorySingletonDal.GetDal();
}