359 lines
13 KiB
Python
359 lines
13 KiB
Python
from django.contrib.auth.decorators import login_required
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from django.core.exceptions import PermissionDenied
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from django.shortcuts import get_object_or_404, render, redirect
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from django.utils.decorators import method_decorator
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from django.views.generic import (
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DetailView,
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ListView,
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TemplateView,
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FormView,
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CreateView,
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FormView,
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UpdateView,
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)
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from django.contrib import messages
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from django.db import transaction
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from accounts.decorators import lecturer_required
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from .models import Course, Progress, Sitting, EssayQuestion, Quiz, MCQuestion, Question
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from .forms import (
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QuizAddForm,
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MCQuestionForm,
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MCQuestionFormSet,
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QuestionForm,
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EssayForm,
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)
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@method_decorator([login_required, lecturer_required], name="dispatch")
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class QuizCreateView(CreateView):
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model = Quiz
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form_class = QuizAddForm
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def get_context_data(self, *args, **kwargs):
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context = super(QuizCreateView, self).get_context_data(**kwargs)
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context["course"] = Course.objects.get(slug=self.kwargs["slug"])
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if self.request.POST:
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context["form"] = QuizAddForm(self.request.POST)
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# context['quiz'] = self.request.POST.get('quiz')
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else:
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context["form"] = QuizAddForm(
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initial={"course": Course.objects.get(slug=self.kwargs["slug"])}
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)
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return context
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def form_valid(self, form, **kwargs):
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context = self.get_context_data()
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form = context["form"]
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with transaction.atomic():
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self.object = form.save()
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if form.is_valid():
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form.instance = self.object
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form.save()
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return redirect(
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"mc_create", slug=self.kwargs["slug"], quiz_id=form.instance.id
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)
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return super(QuizCreateView, self).form_invalid(form)
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@method_decorator([login_required, lecturer_required], name="dispatch")
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class QuizUpdateView(UpdateView):
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model = Quiz
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form_class = QuizAddForm
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def get_context_data(self, *args, **kwargs):
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context = super(QuizUpdateView, self).get_context_data(**kwargs)
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context["course"] = Course.objects.get(slug=self.kwargs["slug"])
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quiz = Quiz.objects.get(pk=self.kwargs["pk"])
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if self.request.POST:
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context["form"] = QuizAddForm(self.request.POST, instance=quiz)
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else:
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context["form"] = QuizAddForm(instance=quiz)
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return context
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def form_valid(self, form, **kwargs):
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context = self.get_context_data()
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course = context["course"]
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form = context["form"]
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with transaction.atomic():
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self.object = form.save()
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if form.is_valid():
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form.instance = self.object
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form.save()
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return redirect("quiz_index", course.slug)
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return super(QuizUpdateView, self).form_invalid(form)
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@login_required
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@lecturer_required
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def quiz_delete(request, slug, pk):
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quiz = Quiz.objects.get(pk=pk)
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course = Course.objects.get(slug=slug)
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quiz.delete()
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messages.success(request, f"successfuly deleted.")
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return redirect("quiz_index", quiz.course.slug)
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@method_decorator([login_required, lecturer_required], name="dispatch")
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class MCQuestionCreate(CreateView):
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model = MCQuestion
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form_class = MCQuestionForm
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def get_context_data(self, **kwargs):
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context = super(MCQuestionCreate, self).get_context_data(**kwargs)
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context["course"] = Course.objects.get(slug=self.kwargs["slug"])
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context["quiz_obj"] = Quiz.objects.get(id=self.kwargs["quiz_id"])
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context["quizQuestions"] = Question.objects.filter(
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quiz=self.kwargs["quiz_id"]
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).count()
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if self.request.POST:
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context["form"] = MCQuestionForm(self.request.POST)
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context["formset"] = MCQuestionFormSet(self.request.POST)
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else:
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context["form"] = MCQuestionForm(initial={"quiz": self.kwargs["quiz_id"]})
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context["formset"] = MCQuestionFormSet()
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return context
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def form_valid(self, form):
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context = self.get_context_data()
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formset = context["formset"]
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course = context["course"]
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with transaction.atomic():
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form.instance.question = self.request.POST.get("content")
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self.object = form.save()
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if formset.is_valid():
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formset.instance = self.object
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formset.save()
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if "another" in self.request.POST:
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return redirect(
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"mc_create",
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slug=self.kwargs["slug"],
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quiz_id=self.kwargs["quiz_id"],
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)
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return redirect("quiz_index", course.slug)
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return super(MCQuestionCreate, self).form_invalid(form)
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@login_required
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def quiz_list(request, slug):
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quizzes = Quiz.objects.filter(course__slug=slug).order_by("-timestamp")
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course = Course.objects.get(slug=slug)
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return render(
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request, "quiz/quiz_list.html", {"quizzes": quizzes, "course": course}
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)
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# return render(request, 'quiz/quiz_list.html', {'quizzes': quizzes})
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@method_decorator([login_required, lecturer_required], name="dispatch")
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class QuizMarkerMixin(object):
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@method_decorator(login_required)
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# @method_decorator(permission_required('quiz.view_sittings'))
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def dispatch(self, *args, **kwargs):
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return super(QuizMarkerMixin, self).dispatch(*args, **kwargs)
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# @method_decorator([login_required, lecturer_required], name='get_queryset')
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class SittingFilterTitleMixin(object):
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def get_queryset(self):
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queryset = super(SittingFilterTitleMixin, self).get_queryset()
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quiz_filter = self.request.GET.get("quiz_filter")
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if quiz_filter:
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queryset = queryset.filter(quiz__title__icontains=quiz_filter)
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return queryset
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@method_decorator([login_required], name="dispatch")
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class QuizUserProgressView(TemplateView):
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template_name = "progress.html"
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def dispatch(self, request, *args, **kwargs):
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return super(QuizUserProgressView, self).dispatch(request, *args, **kwargs)
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def get_context_data(self, **kwargs):
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context = super(QuizUserProgressView, self).get_context_data(**kwargs)
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progress, _ = Progress.objects.get_or_create(user=self.request.user)
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context["cat_scores"] = progress.list_all_cat_scores
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context["exams"] = progress.show_exams()
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context["exams_counter"] = progress.show_exams().count()
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return context
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@method_decorator([login_required, lecturer_required], name="dispatch")
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class QuizMarkingList(QuizMarkerMixin, SittingFilterTitleMixin, ListView):
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model = Sitting
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# def get_context_data(self, **kwargs):
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# context = super(QuizMarkingList, self).get_context_data(**kwargs)
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# context['queryset_counter'] = super(QuizMarkingList, self).get_queryset().filter(complete=True).filter(course__allocated_course__lecturer__pk=self.request.user.id).count()
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# context['marking_list'] = super(QuizMarkingList, self).get_queryset().filter(complete=True).filter(course__allocated_course__lecturer__pk=self.request.user.id)
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# return context
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def get_queryset(self):
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if self.request.user.is_superuser:
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queryset = super(QuizMarkingList, self).get_queryset().filter(complete=True)
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else:
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queryset = (
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super(QuizMarkingList, self)
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.get_queryset()
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.filter(
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quiz__course__allocated_course__lecturer__pk=self.request.user.id
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)
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.filter(complete=True)
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)
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# search by user
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user_filter = self.request.GET.get("user_filter")
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if user_filter:
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queryset = queryset.filter(user__username__icontains=user_filter)
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return queryset
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@method_decorator([login_required, lecturer_required], name="dispatch")
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class QuizMarkingDetail(QuizMarkerMixin, DetailView):
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model = Sitting
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def post(self, request, *args, **kwargs):
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sitting = self.get_object()
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q_to_toggle = request.POST.get("qid", None)
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if q_to_toggle:
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q = Question.objects.get_subclass(id=int(q_to_toggle))
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if int(q_to_toggle) in sitting.get_incorrect_questions:
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sitting.remove_incorrect_question(q)
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else:
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sitting.add_incorrect_question(q)
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return self.get(request)
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def get_context_data(self, **kwargs):
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context = super(QuizMarkingDetail, self).get_context_data(**kwargs)
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context["questions"] = context["sitting"].get_questions(with_answers=True)
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return context
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# @method_decorator([login_required, student_required], name='dispatch')
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@method_decorator([login_required], name="dispatch")
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class QuizTake(FormView):
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form_class = QuestionForm
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template_name = "question.html"
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result_template_name = "result.html"
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# single_complete_template_name = 'single_complete.html'
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def dispatch(self, request, *args, **kwargs):
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self.quiz = get_object_or_404(Quiz, slug=self.kwargs["slug"])
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self.course = get_object_or_404(Course, pk=self.kwargs["pk"])
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quizQuestions = Question.objects.filter(quiz=self.quiz).count()
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course = get_object_or_404(Course, pk=self.kwargs["pk"])
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if quizQuestions <= 0:
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messages.warning(request, f"Question set of the quiz is empty. try later!")
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return redirect("quiz_index", self.course.slug)
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if self.quiz.draft and not request.user.has_perm("quiz.change_quiz"):
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raise PermissionDenied
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self.sitting = Sitting.objects.user_sitting(
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request.user, self.quiz, self.course
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)
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if self.sitting is False:
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# return render(request, self.single_complete_template_name)
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messages.info(
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request,
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f"You have already sat this exam and only one sitting is permitted",
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)
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return redirect("quiz_index", self.course.slug)
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return super(QuizTake, self).dispatch(request, *args, **kwargs)
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def get_form(self, *args, **kwargs):
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self.question = self.sitting.get_first_question()
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self.progress = self.sitting.progress()
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if self.question.__class__ is EssayQuestion:
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form_class = EssayForm
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else:
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form_class = self.form_class
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return form_class(**self.get_form_kwargs())
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def get_form_kwargs(self):
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kwargs = super(QuizTake, self).get_form_kwargs()
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return dict(kwargs, question=self.question)
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def form_valid(self, form):
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self.form_valid_user(form)
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if self.sitting.get_first_question() is False:
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return self.final_result_user()
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self.request.POST = {}
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return super(QuizTake, self).get(self, self.request)
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def get_context_data(self, **kwargs):
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context = super(QuizTake, self).get_context_data(**kwargs)
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context["question"] = self.question
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context["quiz"] = self.quiz
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context["course"] = get_object_or_404(Course, pk=self.kwargs["pk"])
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if hasattr(self, "previous"):
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context["previous"] = self.previous
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if hasattr(self, "progress"):
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context["progress"] = self.progress
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return context
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def form_valid_user(self, form):
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progress, _ = Progress.objects.get_or_create(user=self.request.user)
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guess = form.cleaned_data["answers"]
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is_correct = self.question.check_if_correct(guess)
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if is_correct is True:
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self.sitting.add_to_score(1)
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progress.update_score(self.question, 1, 1)
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else:
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self.sitting.add_incorrect_question(self.question)
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progress.update_score(self.question, 0, 1)
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if self.quiz.answers_at_end is not True:
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self.previous = {
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"previous_answer": guess,
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"previous_outcome": is_correct,
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"previous_question": self.question,
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"answers": self.question.get_choices(),
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"question_type": {self.question.__class__.__name__: True},
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}
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else:
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self.previous = {}
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self.sitting.add_user_answer(self.question, guess)
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self.sitting.remove_first_question()
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def final_result_user(self):
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results = {
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"course": get_object_or_404(Course, pk=self.kwargs["pk"]),
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"quiz": self.quiz,
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"score": self.sitting.get_current_score,
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"max_score": self.sitting.get_max_score,
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"percent": self.sitting.get_percent_correct,
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"sitting": self.sitting,
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"previous": self.previous,
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"course": get_object_or_404(Course, pk=self.kwargs["pk"]),
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}
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self.sitting.mark_quiz_complete()
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if self.quiz.answers_at_end:
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results["questions"] = self.sitting.get_questions(with_answers=True)
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results["incorrect_questions"] = self.sitting.get_incorrect_questions
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if (
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self.quiz.exam_paper is False
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or self.request.user.is_superuser
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or self.request.user.is_lecturer
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):
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self.sitting.delete()
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return render(self.request, self.result_template_name, results)
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