def cp_student_quizzes(request, eid, qindex=0):
"""for AJAX calls"""
quizzes = Quiz.objects.filter(student__id=eid).values(
"annal", "submitted", "number_of_questions", "start_time",
"finish_time", "score", "max_score")
try:
q = quizzes[int(qindex)]
if q['max_score']:
q['score'] = "{}/100".format(
round(100 * q['score'] / q['max_score']))
else:
q['score'] = "0/100"
annal = Annal.objects.filter(id=q['annal'])
if annal:
q['annal'] = annal[0].annal_name
else:
q['annal'] = "--"
if not q['start_time']:
q['start_time'] = "--"
else:
q['start_time'] = q['start_time'].strftime("%d/%m/%Y %H:%M")
q['submitted'] = _("Yes") if q['submitted'] else _("No")
q['finish_time'] = Utils.format_duration(annal[0].annal_duration -
q['finish_time'])
q['student_id'] = eid
return HttpResponse(json.dumps(q), content_type="application/json")
except:
return HttpResponse(json.dumps({}), content_type="application/json")
def result(request, quiz_code):
try:
quiz = get_object_or_404(Quiz, quiz_code=quiz_code)
if not quiz.submitted:
# quiz is not submitted yet
return render(request, "what/result.html", {
"student": quiz.student,
"quiz_url": Utils.get_quiz_url(quiz_code),
"user_message": _("Hello,"),
"message": "quiz_not_submitted"
})
else:
# display results
try:
score = round(quiz.score * 100 / quiz.max_score)
except ZeroDivisionError:
score = 0
return render(request, "what/result.html", {
"quiz_code": quiz_code,
"quiz_name": quiz.annal.annal_name,
"score": score,
"start_time": quiz.start_time,
"finish_time": Utils.format_duration(
quiz.annal.annal_duration - quiz.finish_time),
"number_of_questions": quiz.number_of_questions,
"student": quiz.student,
"user_message": _("Hello,"),
"message": "show_result",
})
except Quiz.MultipleObjectsReturned:
# shouldn't happen because quiz_code must be unique
raise
def cp_student_quizzes(request, eid, qindex=0):
"""for AJAX calls"""
quizzes = Quiz.objects.filter(student__id=eid).values("annal", "submitted",
"number_of_questions", "start_time", "finish_time", "score", "max_score")
try:
q = quizzes[int(qindex)]
if q['max_score']:
q['score'] = "{}/100".format(round(100 * q['score'] / q['max_score']))
else:
q['score'] = "0/100"
annal = Annal.objects.filter(id=q['annal'])
if annal:
q['annal'] = annal[0].annal_name
else:
q['annal'] = "--"
if not q['start_time']:
q['start_time'] = "--"
else:
q['start_time'] = q['start_time'].strftime("%d/%m/%Y %H:%M")
q['submitted'] = _("Yes") if q['submitted'] else _("No")
q['finish_time'] = Utils.format_duration(annal[0].annal_duration - q['finish_time'])
q['student_id'] = eid
return HttpResponse(json.dumps(q), content_type="application/json")
except:
return HttpResponse(json.dumps({}), content_type="application/json")
def result(request, quiz_code):
try:
quiz = get_object_or_404(Quiz, quiz_code=quiz_code)
if not quiz.submitted:
# quiz is not submitted yet
return render(
request, "what/result.html", {
"student": quiz.student,
"quiz_url": Utils.get_quiz_url(quiz_code),
"user_message": _("Hello,"),
"message": "quiz_not_submitted"
})
else:
# display results
try:
score = round(quiz.score * 100 / quiz.max_score)
except ZeroDivisionError:
score = 0
return render(
request, "what/result.html", {
"quiz_code":
quiz_code,
"quiz_name":
quiz.annal.annal_name,
"score":
score,
"start_time":
quiz.start_time,
"finish_time":
Utils.format_duration(quiz.annal.annal_duration -
quiz.finish_time),
"number_of_questions":
quiz.number_of_questions,
"student":
quiz.student,
"user_message":
_("Hello,"),
"message":
"show_result",
})
except Quiz.MultipleObjectsReturned:
# shouldn't happen because quiz_code must be unique
raise
def quiz(request, quiz_code):
try:
if request.method == "POST" and "remaining-time-heidden" in request.POST:
# quiz answered are POSTed
quiz = get_object_or_404(Quiz, quiz_code=quiz_code)
quiz.submitted = True
if quiz.start_time and Utils.quiz_expired(quiz):
# quiz has already expired
quiz.save()
return render(
request, "what/quiz.html", {
"student": quiz.student,
"rules": quiz.annal.rules,
"result_url": Utils.get_result_url(quiz_code),
"user_message": _("Hello,"),
"message": "quiz_expired",
})
elif quiz.start_time:
# calculate the score
score = 0
max_score = 0
student_answers = []
for key in request.POST.keys():
if key.startswith("chosen-answer-q"):
try:
question = get_object_or_404(Question,
id=int(key[15:]))
max_score += question.points_rewarded
answer = get_object_or_404(Answer,
id=int(
request.POST[key]))
student_answers.append(answer)
if answer.answer_is_correct:
score += question.points_rewarded
except ValueError:
# non-int instead of question/answer id
continue
quiz.student_answers = student_answers
quiz.score = score
quiz.max_score = max_score
try:
quiz.finish_time = max(
int(request.POST.get("remaining-time-hidden", 0)), 0)
except:
quiz.finish_time = 0
quiz.save()
return redirect("result", quiz_code=quiz_code)
else:
# dude, how did you get here?!
raise Http404
else:
quiz = get_object_or_404(Quiz, quiz_code=quiz_code)
is_enabled = quiz.annal.enabled
if quiz.annal.auto_enable and quiz.annal.auto_enable_date:
if Utils.date_is_in_past(quiz.annal.auto_enable_date):
is_enabled = True
if quiz.annal.auto_disable and quiz.annal.auto_disable_date:
if Utils.date_is_in_past(quiz.annal.auto_disable_date):
is_enabled = False
quiz.annal.enabled = is_enabled
quiz.annal.save()
quiz.save()
if not is_enabled:
# Quiz is disabled
return render(
request, "what/quiz.html", {
"student": quiz.student,
"rules": quiz.annal.rules,
"result_url": Utils.get_result_url(quiz_code),
"user_message": _("Hello,"),
"message": "quiz_disabled",
})
if quiz.submitted:
# User cannot take the quiz twice
return render(
request, "what/quiz.html", {
"student": quiz.student,
"rules": quiz.annal.rules,
"result_url": Utils.get_result_url(quiz_code),
"user_message": _("Hello,"),
"message": "quiz_submitted",
})
else:
if quiz.start_time and Utils.quiz_expired(quiz):
# quiz time has already expired
quiz.submitted = True
quiz.save()
return render(
request, "what/quiz.html", {
"student": quiz.student,
"rules": quiz.annal.rules,
"result_url": Utils.get_result_url(quiz_code),
"user_message": _("Hello,"),
"message": "quiz_expired",
})
# show the questions and start the quiz
quiz.start_time = datetime.now()
if quiz.selected_questions.all():
questions = quiz.selected_questions.all()
else:
questions = Question.objects.filter(
annal=quiz.annal).order_by(
"?")[:quiz.number_of_questions]
quiz.selected_questions.add(*questions)
quiz.save()
answers = []
for q in questions:
answers.append(
Answer.objects.filter(question=q).order_by("?"))
return render(
request, "what/quiz.html", {
"quiz":
quiz,
"rules":
quiz.annal.rules,
"teacher":
quiz.annal.teacher.user,
"duration":
Utils.format_duration(quiz.annal.annal_duration),
"student":
quiz.student,
"indexes":
range(len(questions)),
"questions":
list(questions),
"answers":
answers,
"user_message":
_("Good luck,"),
"message":
"show_quiz",
})
except Quiz.MultipleObjectsReturned:
# shouldn't happen because quiz_code must be unique
raise
def get_finish_time(self, obj): return Utils.format_duration(obj.annal.annal_duration - obj.finish_time)
def quiz(request, quiz_code):
try:
if request.method == "POST" and "remaining-time-heidden" in request.POST:
# quiz answered are POSTed
quiz = get_object_or_404(Quiz, quiz_code=quiz_code)
quiz.submitted = True
if quiz.start_time and Utils.quiz_expired(quiz):
# quiz has already expired
quiz.save()
return render(request, "what/quiz.html", {
"student": quiz.student,
"rules": quiz.annal.rules,
"result_url": Utils.get_result_url(quiz_code),
"user_message": _("Hello,"),
"message": "quiz_expired",
})
elif quiz.start_time:
# calculate the score
score = 0
max_score = 0
student_answers = []
for key in request.POST.keys():
if key.startswith("chosen-answer-q"):
try:
question = get_object_or_404(Question, id=int(key[15:]))
max_score += question.points_rewarded
answer = get_object_or_404(Answer, id=int(request.POST[key]))
student_answers.append(answer)
if answer.answer_is_correct:
score += question.points_rewarded
except ValueError:
# non-int instead of question/answer id
continue
quiz.student_answers = student_answers
quiz.score = score
quiz.max_score = max_score
try:
quiz.finish_time = max(int(request.POST.get("remaining-time-hidden", 0)), 0)
except:
quiz.finish_time = 0
quiz.save()
return redirect("result", quiz_code=quiz_code)
else:
# dude, how did you get here?!
raise Http404
else:
quiz = get_object_or_404(Quiz, quiz_code=quiz_code)
is_enabled = quiz.annal.enabled
if quiz.annal.auto_enable and quiz.annal.auto_enable_date:
if Utils.date_is_in_past(quiz.annal.auto_enable_date):
is_enabled = True
if quiz.annal.auto_disable and quiz.annal.auto_disable_date:
if Utils.date_is_in_past(quiz.annal.auto_disable_date):
is_enabled = False
quiz.annal.enabled = is_enabled
quiz.annal.save()
quiz.save()
if not is_enabled:
# Quiz is disabled
return render(request, "what/quiz.html", {
"student": quiz.student,
"rules": quiz.annal.rules,
"result_url": Utils.get_result_url(quiz_code),
"user_message": _("Hello,"),
"message": "quiz_disabled",
})
if quiz.submitted:
# User cannot take the quiz twice
return render(request, "what/quiz.html", {
"student": quiz.student,
"rules": quiz.annal.rules,
"result_url": Utils.get_result_url(quiz_code),
"user_message": _("Hello,"),
"message": "quiz_submitted",
})
else:
if quiz.start_time and Utils.quiz_expired(quiz):
# quiz time has already expired
quiz.submitted = True
quiz.save()
return render(request, "what/quiz.html", {
"student": quiz.student,
"rules": quiz.annal.rules,
"result_url": Utils.get_result_url(quiz_code),
"user_message": _("Hello,"),
"message": "quiz_expired",
})
# show the questions and start the quiz
quiz.start_time = datetime.now()
if quiz.selected_questions.all():
questions = quiz.selected_questions.all()
else:
questions = Question.objects.filter(annal=quiz.annal).order_by(
"?")[:quiz.number_of_questions]
quiz.selected_questions.add(*questions)
quiz.save()
answers = []
for q in questions:
answers.append(Answer.objects.filter(question=q).order_by("?"))
return render(request, "what/quiz.html", {
"quiz": quiz,
"rules": quiz.annal.rules,
"teacher": quiz.annal.teacher.user,
"duration": Utils.format_duration(quiz.annal.annal_duration),
"student": quiz.student,
"indexes": range(len(questions)),
"questions": list(questions),
"answers": answers,
"user_message": _("Good luck,"),
"message": "show_quiz",
})
except Quiz.MultipleObjectsReturned:
# shouldn't happen because quiz_code must be unique
raise
