public void DeleteTestInstance(Action action, TestInstance testInstance)
{
if (!testInstance.IsOpen)
{
throw new BusinessRuleException("Unable to delete once Test Instance is Open.");
}
action();
}
public TestInstance CreateTestInstance(List<Candidate> candidates, Administrator administrator, bool isPractice, int timeLimit)
{
var testInstance = new TestInstance(administrator, isPractice, timeLimit);
foreach (var candidate in candidates)
{
testInstance.CreateCandidateTest(candidate);
}
TestInstances.Add(testInstance);
return testInstance;
}
public void DeleteTestInstance(Action action, Guid administratorId, TestInstance testInstance)
{
var administrator = FetchAdministrator(administratorId);
ThrowBusinessRuleViolationForAdministrator(administrator);
administrator.DeleteTestInstance(action, testInstance);
}
private void deleteTestInstance(TestInstance testInstance)
{
//delete all candidate test before deleting the test Instance
foreach (var candidateTest in testInstance.CandidateTests)
{
_context.CandidateTests.Remove(candidateTest);
}
_context.TestInstances.Remove(testInstance);
}
