public void EditInterview(EditInterviewRequest request)
{
AuthToken authToken = null;
try
{
Common.Helpers.ValidationHelper.ValidateRequiredField(request.AuthToken, "Auth Token");
Common.Helpers.ValidationHelper.ValidateRequiredField(request.AntiForgeryToken, "Anti Forgery Token");
Common.Helpers.ValidationHelper.Assert(request.MinutesAllowed > 0, "Minutes allowed must be positive");
Common.Helpers.ValidationHelper.Assert(request.QuestionIDs != null, "No questions specified");
Common.Helpers.ValidationHelper.Assert(request.QuestionIDs.Any(), "No questions specified");
if (!UserController.ValidateSession(request.AuthToken, out authToken))
{
throw new AuthenticationException("Authentication failed.");
}
UserController.ValidateAntiForgeryToken(request.AntiForgeryToken, authToken);
DbContext context = DataController.CreateDbContext();
E::Interview interview = context.Interviews.FirstOrDefault(q => q.ID == request.InterviewID);
InterviewStatus status = StatusHelper.GetInterviewStatus(interview);
if (status > InterviewStatus.WaitingForApplicant)
{
throw new Common.Exceptions.ValidationException("Cannot edit an interview which has already started.");
}
E::InterviewQuestion[] interviewQuestions = context.InterviewQuestions.Where(iq => iq.InterviewID == request.InterviewID).ToArray();
foreach (E::InterviewQuestion interviewQuestion in interviewQuestions)
{
if (!request.QuestionIDs.Contains(interviewQuestion.QuestionID))
{
context.InterviewQuestions.Remove(interviewQuestion);
}
}
foreach (Guid questionId in request.QuestionIDs.Except(interviewQuestions.Select(iq => iq.QuestionID)))
{
E::InterviewQuestion newInterviewQuestion = new E.InterviewQuestion();
newInterviewQuestion.ID = Guid.NewGuid();
newInterviewQuestion.InterviewID = request.InterviewID;
newInterviewQuestion.QuestionID = questionId;
context.InterviewQuestions.Add(newInterviewQuestion);
}
interview.MinutesAllowed = request.MinutesAllowed;
interview.LastUpdatedBy = authToken.Username;
interview.LastUpdatedDate = DateTime.UtcNow;
context.SaveChanges();
}
catch (AuthenticationException ex)
{
throw new WebFaultException<string>(ex.Message, System.Net.HttpStatusCode.BadRequest);
}
catch (Common.Exceptions.ValidationException ex)
{
throw new WebFaultException<string>(ex.Message, System.Net.HttpStatusCode.BadRequest);
}
catch (Exception ex)
{
ExceptionHelper.Log(ex, authToken == null ? null : authToken.Username);
throw new WebFaultException<string>("An unknown error has occurred.", System.Net.HttpStatusCode.InternalServerError);
}
}
private static void AddQuestions(DbContext context, Guid interviewId, bool useQuestionSet, Guid? questionSetId, Guid[] questionIds)
{
if (useQuestionSet)
{
questionIds = context.QuestionSetQuestions
.Where(q => q.QuestionSetID == questionSetId.Value)
.Select(q => q.QuestionID)
.ToArray();
}
foreach (Guid questionId in questionIds)
{
E::InterviewQuestion newInterviewQuestion = new E.InterviewQuestion();
newInterviewQuestion.ID = Guid.NewGuid();
newInterviewQuestion.InterviewID = interviewId;
newInterviewQuestion.QuestionID = questionId;
context.InterviewQuestions.Add(newInterviewQuestion);
}
}