// GET: Sections/Problems/5
public async Task <IActionResult> Problems(int?id)
{
if (id == null)
{
return(NotFound());
}
var section = await _context.Sections
.Include(s => s.ProblemSet)
.FirstOrDefaultAsync(m => m.ID == id);
if (section == null)
{
return(NotFound());
}
var pvmList = new List <ProblemVM>();
foreach (var problem in section.ProblemSet)
{
var pvm = new ProblemVM {
Problem = problem, ID = problem.ID, CorrectAnswer = problem.CorrectChoiceID, Score = problem.Score
};
pvmList.Add(pvm);
}
var vm = new ProblemPageVM {
SectionID = Convert.ToInt32(id), Problems = pvmList
};
return(View(vm));
}
public async Task <IActionResult> Problems(ProblemPageVM vm)
{
var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
var currentUser = await _context.Users.FirstOrDefaultAsync(u => u.Id == userId);
int score = 0;
int historyScore = 0;
int correctCount = 0;
foreach (var problem in vm.Problems)
{
if (problem.SelectedAnswer == null)
{
continue;
}
if (problem.SelectedAnswer == problem.CorrectAnswer)
{
score += problem.Score;
correctCount++;
}
}
var history = await _context.UserScoreHistories
.FirstOrDefaultAsync(u => u.SectionID == vm.SectionID && u.UserId == userId);
if (history == null)
{
_context.UserScoreHistories.Add(new UserScoreHistory {
UserId = userId, SectionID = vm.SectionID, HighScore = score
});
currentUser.Score += score;
}
else
{
historyScore = history.HighScore;
history.HighScore = Math.Max(historyScore, score);
_context.Update(history);
currentUser.Score += (score > historyScore) ? (score - historyScore) : 0;
}
await _context.SaveChangesAsync();
return(RedirectToAction("Result", new { score = score, historyScore = historyScore, correctCount = correctCount, sectionID = vm.SectionID }));
}
