Adding Status of quiz in table

quiz/models.py

@@ -27,12 +27,31 @@ class quiz(models.Model):
     quizInstructor=models.ForeignKey(to=User, on_delete=models.CASCADE)
     """The instructor who created the quiz"""
 
+    @property
+    def start_datetime( self ):
+        starttime = datetime.datetime.combine( self.date, self.startTime if self.startTime is not None else datetime.time.min )
+        return starttime
+
     @property
     def end_datetime( self ):
         starttime = datetime.datetime.combine( self.date, self.startTime if self.startTime is not None else datetime.time.min )
         endtime = starttime + datetime.timedelta(minutes=self.length)
         return endtime
 
+    @property
+    def status( self ):
+        stt = self.start_datetime
+        end = self.end_datetime
+        cur = datetime.datetime.now()
+        if stt<=cur and cur<=end:
+            return "Ongoing"
+        elif cur>end:
+            return "Ended"
+        elif cur<stt:
+            return "Scheduled"
+        else:
+            return "NA"
+
     def __str__(self):
         return str(self.quizId)
 

quiz/templates/ongoing_quiz.html

@@ -61,12 +61,12 @@
   <h1 class="heading">ALL Quizzes</h1>
   <section class="table_wrapper">
   <table cellspacing="0" id="myTable">
-      <thead><th>Code</th><th>Quiz Name</th><th>Organized By</th><th>Date</th><th>Time</th><th>Duration</th><th>Attempt quiz</th></thead>
+      <thead><th>Code</th><th>Quiz Name</th><th>Organized By</th><th>Date</th><th>Time</th><th>Duration</th><th>Status</th><th>Attempt quiz</th></thead>
       <tbody>
       
         {%for quiz in quizId%}
           <tr>
-            <td>{{quiz.quizCode}}</td><td>{{quiz.quizInfo}}</td><td>{{quiz.quizInstructor}}</td><td>{{quiz.date}}</td><td>{{quiz.startTime}}</td><td>{{quiz.length}} minutes</td><td> <button onclick="start_quiz({{quiz.quizId}})" class="action_btn" type="button">Start</button></td>
+            <td>{{quiz.quizCode}}</td><td>{{quiz.quizInfo}}</td><td>{{quiz.quizInstructor}}</td><td>{{quiz.date}}</td><td>{{quiz.startTime}}</td><td>{{quiz.length}} minutes</td><td>{{quiz.status}}</td><td>{%if quiz.status == "Ended" %} - {%else%}<button onclick="start_quiz({{quiz.quizId}})" class="action_btn" type="button">Start Quiz</button>{%endif%}</td>
           </tr>
         {%endfor%}
       </tbody>
@@ -84,7 +84,10 @@
     }
     
     $(document).ready( function () {
-            $('#myTable').DataTable();
+            $('#myTable').DataTable({
+                /* Disable initial sort */
+                "aaSorting": []
+            });
         } );
   </script>
 </body>

quiz/templates/submissions.html

@@ -82,7 +82,10 @@
     }
     
     $(document).ready( function () {
-            $('#myTable').DataTable();
+            $('#myTable').DataTable({
+                /* Disable initial sort */
+                "aaSorting": []
+            });
         } );
   </script>
 </body>

quiz/views.py

@@ -46,8 +46,15 @@ def index(request):
     """
     quiz_id = int(request.GET['q'])
     quizInstance = quiz.objects.get(pk=quiz_id)
+
     obj = Questions.objects.filter(quizId=quizInstance).all().order_by('questionId')
     endtime = quizInstance.end_datetime
+    curtime = datetime.now()
+    if curtime >= endtime:
+        return HttpResponse("Quiz has already ended")
+    prev_subm = submission.objects.all().filter(quizId=quizInstance, studentId=request.user)
+    if len(prev_subm) != 0:
+        return HttpResponse("You have already submitted this quiz")
     endtime = json.dumps(endtime.isoformat())
     count = len(obj)
     return render(request,'index.html',{'questions':obj,'count':count, 'endtime': endtime, 'quizId': quiz_id})