private void UpdateSurveyMessageDetails(NotificationMessage message)
{
if (message.SurveyMessage == null)
{
return;
}
SurveyMessage survey = null;
if (message.SurveyId.GetValueOrDefault(0) == 0) // create NEW
{
survey = new SurveyMessage();
_notificationMessageService.InsertSurveyMessage(survey);
_unitOfWorkAsync.SaveChanges();
message.SurveyId = survey.SurveyId;
message.SurveyMessage.SurveyId = survey.SurveyId;
message.SurveyMessage.Questions.ToList().ForEach(q =>
{
q.SurveyId = survey.SurveyId;
var answers = new List <SurveyQuestionAnswer>();
if (q.Answers != null)
{
answers = new List <SurveyQuestionAnswer>(q.Answers);
q.Answers = null;
}
_notificationMessageService.InsertSurveyQuestion(q);
answers.ForEach(a => a.QuestionId = q.QuestionId);
_notificationMessageService.InsertSurveyAnswers(answers.Where(a => a.Answer != null));
q.Answers = answers;
survey.Questions.Add(q);
});
survey.MessageHeader = message.SurveyMessage.MessageHeader;
survey.MessageShortDescription = message.SurveyMessage.MessageShortDescription;
survey.MessageDescription = message.SurveyMessage.MessageDescription;
message.SurveyMessage = survey;
}
else // edit existing
{
survey = _notificationMessageService.FindSurveyMessage(message.SurveyId.GetValueOrDefault(0));
survey.MessageHeader = message.SurveyMessage.MessageHeader;
survey.MessageShortDescription = message.SurveyMessage.MessageShortDescription;
survey.MessageDescription = message.SurveyMessage.MessageDescription;
foreach (var question in message.SurveyMessage.Questions)
{
var originalQuestion = survey.Questions
.SingleOrDefault(c => c.QuestionId == question.QuestionId && c.QuestionId != 0);
// Is original child item with same ID in DB?
if (originalQuestion != null)
{
// Yes -> Update scalar properties of child item
// lets first update answers
if (question.Answers != null)
{
foreach (var answer in question.Answers)
{
var originalAnswer = originalQuestion.Answers
.SingleOrDefault(c => c.AnswerId == answer.AnswerId && c.AnswerId != 0);
// Is original child item with same ID in DB?
if (originalAnswer != null)
{
// Yes -> Update scalar properties of child item
originalAnswer.ModifiedDate = DateTime.UtcNow;
originalAnswer.Answer = answer.Answer;
originalAnswer.ObjectState = ObjectState.Modified;
_notificationMessageService.UpdateSurveyAnswer(originalAnswer);
}
else
{
// No -> It's a new child item -> Insert
answer.QuestionId = question.QuestionId;
answer.CreatedDate = DateTime.UtcNow;
answer.ObjectState = ObjectState.Added;
_notificationMessageService.InsertSurveyAnswer(answer);
}
}
//removing answers wich is not present in request (was deleter by user)
var originalAnswersIds = originalQuestion.Answers.Select(a => a.AnswerId).ToList();
foreach (var originalAnswerId in originalAnswersIds)
{
if (!question.Answers.Select(a => a.AnswerId).Contains(originalAnswerId))
{
var answer = originalQuestion.Answers.First(a => a.AnswerId == originalAnswerId);
answer.ObjectState = ObjectState.Deleted;
_notificationMessageService.DeleteSurveyAnswer(answer);
}
}
}
originalQuestion.ModifiedDate = DateTime.UtcNow;
originalQuestion.ObjectState = ObjectState.Modified;
originalQuestion.Question = question.Question;
originalQuestion.QuestionType = question.QuestionType; //TODO: think about it
_notificationMessageService.UpdateSurveyQuestion(originalQuestion);
}
else
{
// No -> It's a new child item -> Insert
question.ObjectState = ObjectState.Added;
question.SurveyId = survey.SurveyId;
var answers = new List <SurveyQuestionAnswer>();
if (question.Answers != null)
{
answers = new List <SurveyQuestionAnswer>(question.Answers);
question.Answers = null;
}
_notificationMessageService.InsertSurveyQuestion(question);
answers.ForEach(a => a.QuestionId = question.QuestionId);
_notificationMessageService.InsertSurveyAnswers(answers.Where(a => a.Answer != null));
question.Answers = answers;
}
}
//removing questions with is not present in request
var questionList = new List <SurveyQuestion>(survey.Questions);
foreach (var question in questionList)
{
if (!message.SurveyMessage.Questions.Select(q => q.QuestionId).Contains(question.QuestionId))
{
var answersList = new List <SurveyQuestionAnswer>(question.Answers);
answersList.ForEach(a =>
{
a.ObjectState = ObjectState.Deleted;
_notificationMessageService.DeleteSurveyAnswer(a);
});
var userAnswersList = new List <SurveyUserAnswer>(question.UserAnswers);
userAnswersList.ForEach(ua =>
{
ua.ObjectState = ObjectState.Deleted;
_notificationMessageService.DeleteSurveyUserAnswer(ua);
});
question.ObjectState = ObjectState.Deleted;
_notificationMessageService.DeleteSurveyQuestion(question);
}
}
message.SurveyMessage = survey;
}
_notificationMessageService.UpdateSurveyMessage(survey);
_unitOfWorkAsync.SaveChanges();
}