added score calculation functionality

quiz/views.py

@@ -33,25 +33,34 @@ def index(request):
 
 
 def result(request):
-    st=str()
     answer=list() #contains user responses
-    questionNumber=list()
     ans=list()
     for req in request.POST:
         ans.append(req)
     if(request.method =="POST"):
+       
         quizId=request.POST['quizId']
         i=len(request.POST)
         j=2
-        while j<i-1:
-             #last value contains quiz id
-            questionNumber.append(request.POST[ans[j-1]])
+        score=0
+        while j<=i-2:
+            #print(str(request.POST[ans[j-1]])+" :"+str(request.POST[ans[j]]))
+            q=Questions.objects.all().filter(quizId=quizId,questionId=request.POST[ans[j-1]]).values()#fetch the given quiz answers marks and negative marking
+            
+            if(len(q)>=1):
+                if(request.POST[ans[j]]==q[0]['answer']):
+                    score+=q[0]['marks']
+                elif(request.POST[ans[j]]!='NA'):
+                    score-=q[0]['negative']
                 answer.append(request.POST[ans[j]])
                 t=submission(questionId=request.POST[ans[j-1]],option=request.POST[ans[j]],studentId=6969,quizId=quizId)#studentid hardcoded
                 t.save()
-            j+=2 #questionid option pair
+            else:
+                print(str(request.POST[ans[j-1]]))
+            j+=2
+            
 
-        return HttpResponse(str(ans))
+        return HttpResponse(str(score))