max_marks done, frontend and backend

ARFA/ARFA_app/forms.py

@@ -45,7 +45,7 @@ class TestForm(forms.ModelForm):
 			# 'expected_time_for_completion': forms.TimeInput(attrs={'type':'time'}),
             # 'start_time': forms.DateInput(attrs={'type':'datetime-local'}),
         }
-		exclude = ['test_ID', 'ownership']
+		exclude = ['test_ID', 'ownership', 'max_marks']
 	# def clean_start_time(self):
 	# 	dt = self.cleaned_data['start_time']
 	# 	print dt

ARFA/ARFA_app/models.py

@@ -34,6 +34,7 @@ class Test(models.Model):
 	start_time = models.DateTimeField(auto_now=False, auto_now_add=False,blank=False)
 	max_marks = models.IntegerField(null=True)
 	
+
 # class TestQuestions(models.Model):
 # 	test_ID = models.ForeignKey(
 # 		'Test', on_delete=models.CASCADE)

ARFA/ARFA_app/templates/ARFA_app/create_Test.html

 {%extends 'base2.html'%}
 
 
+{%block head%}
+<script>
+    total_marks = 0;
+    num_questions = 0;
+    function dispTotalMarks() {
+        $('#total_marks').html(total_marks);
+    }
+    function computeTotalMarks() {
+        val = 0;
+        $('.pos_marks').each(function() {
+            //add '#' to the id of checkbox to obtain that element
+            //'if' condition checks if the box is checked
+            //if it is, add to val
+            if(document.getElementById($(this).attr('checkBoxID')).checked) { 
+                console.log($(this).attr('checkBoxID'))
+                val += parseFloat($(this).val());
+            }
             
+        })
+        total_marks = val;
+    }
+    function handleMarkChange() {
+        computeTotalMarks();
+        dispTotalMarks();
+    }
+    function handleCheckBoxClick(cb) {
+        posmarks = parseFloat((document.getElementById(
+                cb.getAttribute('posMarksID'))).value);
+        // get value of input field like so: element.value
+        if(cb.checked) {
+            total_marks += posmarks;
+            //update num_questions
+            num_questions++;
+            
+        }
+        else {
+            total_marks -=  posmarks
+            //update num_questions
+            num_questions--;
+        }
+        dispTotalMarks();
+        dispNumQuestions();
+    }
+
+    
+    function dispNumQuestions() {
+        $('#num_questions').html(num_questions);
+    }
+</script>
+{%endblock%}
 
 {%block title%}
 Create Test
@@ -18,17 +67,28 @@ Create Test
         </div>   
         <ul class="list-group">
         <!-- <ul> -->
+        <div>
+            <div style="float:right ; ">
+                Total Marks : <p id='total_marks'></p>
+            </div>
+            <br/> <br/> <br/>
+            <div style="float:right ; ">
+                Number of Questions : <p id='num_questions'></p>
+            </div>
         <form method="POST" action="create_Test">
             {% csrf_token %}
             {{ TestForm.as_p }}
             {{TestForm.errors}}
             {{TestForm.non_field_errors}}
             {%for question in questions%}
+            
             <li class="list-group-item">
-            <!-- <li> -->
                 <div class="row toggle">
                     <div class="col-xs-10">
-                            <input type="checkbox" value= "True" name = "{{question.q_id}}" >
+                            <input type="checkbox" value= "True" name = "{{question.q_id}}" 
+                            id = "{{question.q_id}}" onclick="handleCheckBoxClick(this)"
+                            posMarksID="{{question.q_id}}pos_marks">
+                            <!-- link to posmarks in checkbox -->
                             {{question.question_text}} {{question.q_id}} </br>
                     </div>
                 </div>
@@ -48,8 +108,15 @@ Create Test
                             {%endfor%}
 
                             <label>  marks 
-                            <input type="number" name="{{question.q_id}}" min="0" max="10" placeholder="4" step="0.25" value="4">
-                            <input type="number" name="{{question.q_id}}" min="-10" max="0" placeholder="-1" step="0.25" value="0">
+                            <!-- the id of checkboxes is q_id. I'm linking pos_marks to checkboxes
+                            by id -->
+                            <input class = "pos_marks" type="number" name="{{question.q_id}}" 
+                            min="0" max="10" placeholder="4" step="0.25" value="4" 
+                            checkBoxID = "{{question.q_id}}" onchange="handleMarkChange()"
+                            id="{{question.q_id}}pos_marks">
+                            
+                            <input type="number" name="{{question.q_id}}" 
+                            min="-10" max="0" placeholder="-1" step="0.25" value="0">
                             </label>
                             
                           </ul>
@@ -58,6 +125,8 @@ Create Test
             {%endfor%}
             <button type="submit" class="btn btn-login float-right">Submit</button>
         </form>
+        
+        </div>
         </ul>
 	</div>
 </div>

ARFA/ARFA_app/views.py

@@ -550,16 +550,7 @@ def create_Test(request):
         # print vars(form)
         # #debug
 
-        if form.is_valid():
-            test = form.save()
-            creator = models.Created_BY(test_ID=test,faculty=models.Faculty.objects.filter(username=request.session['username']).get())
-            creator.save()
-        else:
-            if form.errors:
-                for field in form:
-                    print field.errors
-            return HttpResponse("Test Form Invalid")
-
+        max_marks = 0
 
         for attr in dir(Test):
             # print attr
@@ -581,6 +572,7 @@ def create_Test(request):
 
                 containsObj.marks_pos = data[q][1]
                 containsObj.marks_neg = data[q][2]
+                max_marks += int(data[q][1])
 
                 containsObj.pk = None
                 containsObj.save()
@@ -591,6 +583,20 @@ def create_Test(request):
                 print e 
                 continue
 
+        if form.is_valid():
+            test = form.save(commit=False) #not sure, but if a required attribute (like max_marks)
+            # is not present this may throw an error.
+            test.max_marks = max_marks
+            test.save()
+
+            creator = models.Created_BY(test_ID=test,faculty=models.Faculty.objects.filter(username=request.session['username']).get())
+            creator.save()
+        else:
+            if form.errors:
+                for field in form:
+                    print field.errors
+            return HttpResponse("Test Form Invalid")
+
         #schedule ranking function when test is finished
         print type(test.start_time)
         print type(test.expected_time_for_completion)

setup

+pip install django-background-tasks
\ No newline at end of file