public void SaveBump(Bump bump)
{
if (bump == null)
return;
//if bump id is 0, it means this is a new bump obj
if (bump.BumpID == 0)
{
bump.DateCreated = DateTime.Now;
context.Bumps.Add(bump);
}
else
{
bump.DateModified = DateTime.Now;
}
context.SaveChanges();
}
public ActionResult Bump(int qid, string direction)
{
//make sure 'direction'is valid
if (direction == "up" || direction == "down" || direction == "reset")
{
Guid currentUserId = _membershipService.GetCurrentUserId();
//check whether question exists
Question question = _questionRepo.Questions.Where(q => q.QuestionID == qid).FirstOrDefault();
if (question != null)
{
//check whether the user has already bumped this question
Bump alreadyBumped = _bumpRepo.Bumps.Where(b => b.QuestionID == qid && b.UserID == currentUserId).FirstOrDefault();
if (alreadyBumped == null && direction != "reset")
{
if (question != null)
{
//hasnt been bumped, so record the bump
Bump newBump = new Bump();
newBump.QuestionID = qid;
newBump.UserID = currentUserId;
if (direction == "up")
{
newBump.BumpUpValue = 1;
//update question value as well
question.BumpUpValue += 1;
}
else
{
newBump.BumpDownValue = 1;
//update question value as well
question.BumpDownValue += 1;
}
_bumpRepo.SaveBump(newBump);
_questionRepo.SaveQuestion(question);
}
}
else
{
//check what the previous bump value was, if user already bumped up, then do nothing since already been bumped up
//if user has bumped it down before, then update the bump to a bump up
if (direction == "up")
{
if (alreadyBumped.BumpDownValue > 0)
{
alreadyBumped.BumpDownValue = 0;
alreadyBumped.BumpUpValue = 1;
_bumpRepo.SaveBump(alreadyBumped);
question.BumpDownValue -= 1; //remove 1 bump down since user changed their bump to a bump up
question.BumpUpValue += 1;
}
else if (alreadyBumped.BumpUpValue == 0)
{
//this case checks whether the user may have 'reset'their bump so now it's back to zero
alreadyBumped.BumpDownValue = 0;
alreadyBumped.BumpUpValue = 1;
_bumpRepo.SaveBump(alreadyBumped);
question.BumpUpValue += 1;
}
}
else if (direction == "down")
{
//check whether user had previously bumped it up, if so, we'll need to subtract 1 from the dump value
if (alreadyBumped.BumpUpValue > 0)
{
alreadyBumped.BumpUpValue = 0;
alreadyBumped.BumpDownValue = 1;
_bumpRepo.SaveBump(alreadyBumped);
question.BumpUpValue -= 1;
question.BumpDownValue += 1;
}
else if (alreadyBumped.BumpDownValue == 0)
{
//this case checks whether the user may have 'reset'their dump so now it's back to zero
alreadyBumped.BumpUpValue = 0;
alreadyBumped.BumpDownValue = 1;
_bumpRepo.SaveBump(alreadyBumped);
question.BumpDownValue += 1;
}
}
else
{
if (alreadyBumped.BumpUpValue > 0)
{
question.BumpUpValue -= 1;
}
else if(alreadyBumped.BumpDownValue > 0)
{
question.BumpDownValue -= 1;
}
alreadyBumped.BumpUpValue = alreadyBumped.BumpDownValue = 0;
_bumpRepo.SaveBump(alreadyBumped);
}
_questionRepo.SaveQuestion(question);
}
return Json("success", JsonRequestBehavior.AllowGet);
}
}
return Json("failed", JsonRequestBehavior.AllowGet);
}