def activity_ajax(request):
exercise = request.session.get('exercise', None)
if not exercise:
return HttpResponse("No exercise found in the session", status=409)
exercise = PLInstance(exercise)
status = json.loads(request.body.decode())
if status['requested_action'] == 'save':
feedback_type = "info"
feedback = "Réponse enregistré avec succès"
Answer(value=status['inputs']['answer'],
user=request.user,
pl=PL.objects.get(id=exercise.dic['pl_id__']),
seed=exercise.dic['seed'],
grade=-1).save()
return HttpResponse(json.dumps({
'feedback_type': feedback_type,
'feedback': feedback
}),
content_type='application/json')
elif status['requested_action'] == 'submit': # Validate
success, feedback = exercise.evaluate(status['inputs'])
if 'answer' in status['inputs']:
value = status['inputs']['answer']
else:
value = ""
if success == None:
feedback_type = "info"
Answer(value=value,
user=request.user,
pl=PL.objects.get(id=exercise.dic['pl_id__']),
seed=exercise.dic['seed'],
grade=-1).save()
elif success:
feedback_type = "success"
Answer(value=value,
user=request.user,
pl=PL.objects.get(id=exercise.dic['pl_id__']),
seed=exercise.dic['seed'],
grade=100).save()
else:
feedback_type = "fail"
Answer(value=value,
user=request.user,
pl=PL.objects.get(id=exercise.dic['pl_id__']),
seed=exercise.dic['seed'],
grade=0).save()
return HttpResponse(json.dumps({
'feedback_type': feedback_type,
'feedback': feedback
}),
content_type='application/json')
return HttpResponseBadRequest("Missing action in status")
def activity_receiver(request):
activity_id = request.session.get("current_activity", None)
if activity_id == None:
return HttpResponse("No activity found in the session", status=409)
if request.method == "POST": # Received ajax request
return activity_ajax(request)
if request.session.get("testing", False):
activity = get_object_or_404(ActivityTest, id=activity_id)
else:
activity = get_object_or_404(Activity, id=activity_id)
current_pl = request.session.get("current_pl", None)
current_pl = None if current_pl == None else PL.objects.get(id=current_pl)
exercise = ActivityInstance(request, activity, current_pl)
if request.method == 'GET' and request.GET.get("action", None):
action = request.GET.get("action", None)
if action == "pl":
request.session["current_pl"] = request.GET.get("pl_id", None)
elif action == "pltp":
request.session["current_pl"] = None
elif current_pl and action == "reset":
value = "" if 'code' not in exercise.dic else exercise.dic["code"]
Answer(value=value,
user=request.user,
pl=current_pl,
seed=exercise.dic['seed'],
grade=-1).save()
elif current_pl and action == "next":
for current, next in zip(activity.pltp.pl.all(),
list(activity.pltp.pl.all())[1:] +
[None]):
if current_pl.id == current.id:
request.session[
"current_pl"] = None if next == None else next.id
break
else:
request.session["current_pl"] = None
request.method
return redirect(reverse(activity_receiver))
request.session['exercise'] = exercise.dic
if current_pl:
Answer(value='',
user=request.user,
pl=PL.objects.get(id=current_pl.id),
seed=exercise.dic['seed'],
grade=-1).save()
return HttpResponse(exercise.render(request))
def ajax(request, exercise):
status = json.loads(request.body.decode())
if status['requested_action'] == 'submit': # Validate
success, feedback = exercise.evaluate(status['inputs'])
if 'answer' in status['inputs']:
value = status['inputs']['answer']
else:
value = ""
if success == None:
feedback_type = "info"
Answer(value=value,
user=request.user,
pl=PL.objects.get(sha1=exercise.dic['pl_sha1']),
seed=exercise.dic['seed'],
state=Answer.STARTED).save()
elif success:
feedback_type = "success"
Answer(value=value,
user=request.user,
pl=PL.objects.get(sha1=exercise.dic['pl_sha1']),
seed=exercise.dic['seed'],
state=Answer.SUCCEEDED).save()
else:
feedback_type = "fail"
Answer(value=value,
user=request.user,
pl=PL.objects.get(sha1=exercise.dic['pl_sha1']),
seed=exercise.dic['seed'],
state=Answer.FAILED).save()
return HttpResponse(json.dumps({
'feedback_type': feedback_type,
'feedback': feedback
}),
content_type='application/json')
elif status['requested_action'] == 'save': # Save
if 'answer' in status['inputs']:
value = status['inputs']['answer']
else:
value = ""
Answer(value=value,
user=request.user,
pl=PL.objects.get(sha1=exercise.dic['pl_sha1']),
seed=exercise.dic['seed'],
state=Answer.STARTED).save()
return HttpResponse(json.dumps({
'feedback_type':
"info",
'feedback':
"Votre réponse à bien été enregistrée."
}),
content_type='application/json')
return None # Not an AJAX request
def evaluate(self, exercise, request):
"""
Return the evaluation of the user's answer in the form of a tuple:
- 'success'/'fail'/'info': The user succeeded / The user failed / Save or An error occured
- Feedback
Return None, None if the request doesn't contain any AJAX request.
Calling this function will also save the user's answer in the database.
"""
status = json.loads(request.body.decode())
if status['requested_action'] == 'submit': # Validate
success, feedback = exercise.evaluate(status['inputs'])
if 'answer' in status['inputs']:
value = status['inputs']['answer']
else:
value = ""
if success == None:
feedback_type = "info"
Answer(value=value,
user=request.user,
pl=PL.objects.get(id=exercise.dic['pl_id']),
seed=exercise.dic['seed'],
state=-1).save()
elif success:
feedback_type = "success"
Answer(value=value,
user=request.user,
pl=PL.objects.get(id=exercise.dic['pl_id']),
seed=exercise.dic['seed'],
state=100).save()
else:
feedback_type = "fail"
Answer(value=value,
user=request.user,
pl=PL.objects.get(id=exercise.dic['pl_id']),
seed=exercise.dic['seed'],
state=0).save()
return feedback_type, feedback
elif status['requested_action'] == 'save': # Save
if 'answer' in status['inputs']:
value = status['inputs']['answer']
else:
value = ""
Answer(value=value,
user=request.user,
pl=PL.objects.get(id=exercise.dic['pl_id']),
seed=exercise.dic['seed'],
state=-1).save()
return 'info', "Votre réponse à bien été enregistrée."
return None, None # Not an AJAX request
def reset_pl(self, exercise, request):
""" Reset the PL to the default code """
value = "" if 'code' not in exercise.dic else exercise.dic["code"]
Answer(value=value,
user=request.user,
pl=PL.objects.get(id=exercise.dic['pl_id']),
seed=exercise.dic['seed'],
state=-1).save()
def add_db_entry(self, exercise, request):
Answer(value='', user=request.user, pl=PL.objects.get(id=exercise.dic['pl_id']), seed=exercise.dic['seed'], state=Answer.STARTED).save()
def add_db_entry(self, exercise, request):
Answer(value='User clicked on the PL',
user=request.user,
pl=PL.objects.get(sha1=exercise.dic['pl_sha1']),
seed=exercise.dic['seed'],
state=Answer.STARTED).save()