/// <summary>
/// Saves the work, questions, and answers from an HCVM object
/// </summary>
/// <param name="obj"></param>
public void Save(HomeworkEditViewModel obj)
{
// save work
if (obj.Work.ID > 0)
{
db.Entry(obj.Work).State = EntityState.Modified;
db.SaveChanges();
}
else
{
#warning TODO: need to check to make sure that all variables are loaded into Work before saving
db.WorkModels.Add(obj.Work);
db.SaveChanges();
}
// save questions
//if (questions.ID > 0)
//{
// db.Entry(questions).State = EntityState.Modified;
// db.SaveChanges();
//}
//else
//{
// db.QuestionModels.Add(questions);
// db.SaveChanges();
//}
////save answers
//if (answer.ID > 0)
//{
// db.Entry(answer).State = EntityState.Modified;
// db.SaveChanges();
//}
//else
//{
// db.WorkModels.Add(work);
// db.SaveChanges();
//}
}
/// <summary>
/// Load a work, questions, and answers from a work ID
/// </summary>
/// <param name="workID"></param>
/// <returns>HomeworkCreateViewModel</returns>
public HomeworkEditViewModel Load(int workID)
{
var model = new HomeworkEditViewModel();
model.Work = db.WorkModels.FirstOrDefault(f => f.ID == workID);
// load the questions model
model.QuestionModel = db.QuestionModels.FirstOrDefault(f => f.ID == model.Work.QuestionsID);
if (model.QuestionModel.ID > 0)
{ // load the questions
model.QuestionModel.Questions = db.StringQuestions.Where(q => q.QuestionModelID == model.Work.QuestionsID).ToList();
}
// indorrect code due to flaky info in DB
int counter = 1;
while (counter < 4)
{
if (model.QuestionModel.ID == 1)
{
model.QuestionList.Add(db.StringQuestions.FirstOrDefault(f => f.ID == counter).Question);
}
if (model.QuestionModel.ID == 2)
{
model.QuestionList.Add(db.StringQuestions.FirstOrDefault(f => f.ID == counter + 3).Question);
}
if (model.QuestionModel.ID == 3)
{
model.QuestionList.Add(db.StringQuestions.FirstOrDefault(f => f.ID == counter + 6).Question);
}
counter++;
}
// correct code
//foreach(var question in model.QuestionModel.Questions)
//{
// model.QuestionList.Add(question.Question);
//}
//load the answer model
model.AnswerModel = db.AnswerModels.FirstOrDefault(f => f.ID == model.Work.AnswerID);
if (model.AnswerModel.ID > 0)
{ // load the answers
model.AnswerModel.Answers = db.StringAnswers.Where(q => q.AnswerModelID == model.Work.AnswerID).ToList();
}
// indorrect code due to flaky info in DB
counter = 1;
while (counter < 4)
{
if (model.AnswerModel.ID == 1)
{
model.AnswerList.Add(db.StringAnswers.FirstOrDefault(f => f.ID == counter).Answer);
}
if (model.AnswerModel.ID == 2)
{
model.AnswerList.Add(db.StringAnswers.FirstOrDefault(f => f.ID == counter + 3).Answer);
}
if (model.AnswerModel.ID == 3 && model.AnswerList.Count < 3)
{
model.AnswerList.Add(db.StringAnswers.FirstOrDefault(f => f.ID == counter + 6).Answer);
}
counter++;
}
//correct code
//foreach(var answer in model.AnswerModel.Answers)
//{
// model.AnswerList.Add(answer.Answer);
//}
// get the correct answers
if (model.AnswerModel.TrueFalse)
{
foreach (var answer in model.AnswerModel.Answers)
{
if (answer.Answer == "True" || answer.Answer == "True")
{
model.TFAnswerList.Add(true);
}
else
{
model.TFAnswerList.Add(false);
}
}
}
else if (model.AnswerModel.StringMatching)
{
foreach (var answer in model.AnswerModel.Answers)
{
model.AnswerList.Add(answer.Answer);
}
}
else if (model.AnswerModel.MultipleChoice)
{
foreach (var answer in model.AnswerModel.Answers)
{
model.MCAnswerList.Add(Convert.ToInt32(answer.Answer));
}
}
else if (model.AnswerModel.GradeByHand)
{
foreach (var answer in model.AnswerModel.Answers)
{
model.AnswerList.Add(answer.Answer);
}
}
return(model);
}