Ross
508 lines
18 KiB
Python
508 lines
18 KiB
Python
from django.shortcuts import render, get_object_or_404, redirect
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from django.contrib.auth.decorators import login_required, user_passes_test
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from django.views.decorators.csrf import csrf_exempt
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from django.core.exceptions import PermissionDenied
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from django.http import Http404, JsonResponse
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from django.http import HttpResponseRedirect, HttpResponse
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.utils.decorators import method_decorator
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from django.core.cache import cache
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import json
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import urllib
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from django.views import View
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from .forms import (
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ExaminationForm,
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)
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from .models import Examination
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from rapids.models import Rapid as RapidQuestion
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from rapids.models import Exam as RapidExam
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from longs.models import Long as LongQuestion
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from longs.models import Exam as LongExam
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from anatomy.models import AnatomyQuestion as AnatomyQuestion
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from anatomy.models import Exam as AnatomyExam
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from django.db.models import Case, When
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from django.conf import settings
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from datetime import datetime
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import os
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# Create your views here.
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@login_required
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def create_examination(request):
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form = ExaminationForm(request.POST or None)
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if form.is_valid():
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instance = form.save()
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return HttpResponse(
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'<script>opener.closePopup(window, "%s", "%s", "#id_examination");</script>'
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% (instance.pk, instance)
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)
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return render(
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request, "rapids/create_simple.html", {"form": form, "name": "Examination"}
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)
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@csrf_exempt
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def get_examination_id(request):
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if request.is_ajax():
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examination_name = request.GET["examination_name"]
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examination_id = Examination.objects.get(name=examination_name).id
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data = {
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"examination_id": examination_id,
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}
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return HttpResponse(json.dumps(data), content_type="application/json")
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return HttpResponse("/")
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# Generic view to dispatch to indivuals app views
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@login_required
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def generic_exam_json_edit(request):
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if request.is_ajax() and request.method == "POST":
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question_type = request.POST.get("type")
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if question_type == "rapid":
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Exam = RapidExam
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Question = RapidQuestion
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elif question_type == "long":
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Exam = LongExam
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Question = LongQuestion
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elif question_type == "anatomy":
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Exam = AnatomyExam
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Question = AnatomyQuestion
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else:
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data = {"status": "error"}
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return JsonResponse(data, status=400)
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exam = get_object_or_404(Exam, pk=request.POST.get("exam_id"))
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if "add_exam_questions" in request.POST:
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question_ids = json.loads(request.POST.get("add_exam_questions"))
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question_objects = Question.objects.filter(pk__in=question_ids)
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for i in question_ids:
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exam.exam_questions.add(i)
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#exam.exam_questions.add(question_objects)
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exam.save()
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data = {"status": "success"}
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return JsonResponse(data, status=200)
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if "set_open_access" in request.POST:
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if request.POST.get("set_open_access") == "true":
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state = True
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else:
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state = False
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questions_changed = []
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for q in exam.exam_questions.all():
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q.open_access = state
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q.save()
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questions_changed.append(q.pk)
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data = {"status": "success", "questions": questions_changed, "state": state}
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return JsonResponse(data, status=200)
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if "set_exam_order" in request.POST:
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new_order = json.loads(request.POST.get("set_exam_order"))
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preserved = Case(*[When(pk=pk, then=pos) for pos, pk in enumerate(new_order)])
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objects = Question.objects.filter(pk__in=new_order).order_by(preserved)
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if len(objects) != exam.exam_questions.count():
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data = {"status": "error, count does not match"}
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return JsonResponse(data, status=400)
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exam.exam_questions.set(objects)
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exam.save()
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data = {"status": "success"}
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return JsonResponse(data, status=200)
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data = {"status": "error, unknown request"}
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return JsonResponse(data, status=400)
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else:
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data = {"status": "error"}
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return JsonResponse(data, status=400)
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class ExamViews(View, LoginRequiredMixin):
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def __init__(self, exam, question, app, question_type, loadJsonAnswer):
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self.Exam = exam
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self.Question = question
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self.app_name = app
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self.question_type = question_type
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self.loadJsonAnswer = loadJsonAnswer
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@method_decorator(login_required)
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def exam_toggle_results_published(self, request, pk):
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if request.is_ajax() and request.method == "POST":
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exam = get_object_or_404(self.Exam, pk=pk)
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exam.publish_results = (
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True if request.POST.get("publish_results") == "true" else False
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)
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exam.save()
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data = {"status": "success", "publish_results": exam.publish_results}
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return JsonResponse(data, status=200)
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else:
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data = {"status": "error"}
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return JsonResponse(data, status=400)
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@method_decorator(login_required)
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def exam_toggle_active(self, request, pk):
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if request.is_ajax() and request.method == "POST":
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exam = get_object_or_404(self.Exam, pk=pk)
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exam.active = True if request.POST.get("active") == "true" else False
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exam.save()
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data = {"status": "success", "active": exam.active}
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return JsonResponse(data, status=200)
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else:
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data = {"status": "error"}
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return JsonResponse(data, status=400)
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@method_decorator(login_required)
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def exam_json_recreate(self, request, pk):
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exam = get_object_or_404(self.Exam, pk=pk)
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exam.recreate_json = True
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exam.save()
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exam.get_exam_json()
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return redirect("{}:exam_overview".format(self.app_name), pk=pk)
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@method_decorator(login_required)
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def question_json_recreate(self, request, pk):
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question = get_object_or_404(self.Question, pk=pk)
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question.recreate_json = True
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question.save()
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return redirect("{}:question_detail".format(self.app_name), pk=pk)
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@method_decorator(login_required)
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def exam_list(self, request):
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exams = self.Exam.objects.filter(exam_mode=True)
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if self.app_name == "rapids" and not request.user.groups.filter(name='rapid_checker').exists():
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raise PermissionDenied
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if self.app_name == "anatomy" and not request.user.groups.filter(name='anatomy_checker').exists():
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raise PermissionDenied
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if self.app_name == "longs" and not request.user.groups.filter(name='long_checker').exists():
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raise PermissionDenied
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return render(request, "{}/exam_list.html".format(self.app_name), {"exams": exams})
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@method_decorator(login_required)
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def exam_overview(self, request, pk):
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#print(Exam.objects.all())
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#exams = Exam.objects.all()
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#print("test", Exam.objects.all().get(id=pk))
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exam = get_object_or_404(self.Exam, pk=pk)
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if request.user not in exam.author.all():
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if self.app_name == "rapids" and not request.user.groups.filter(name='rapid_checker').exists():
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raise PermissionDenied
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if self.app_name == "anatomy" and not request.user.groups.filter(name='anatomy_checker').exists():
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raise PermissionDenied
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if self.app_name == "longs" and not request.user.groups.filter(name='long_checker').exists():
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raise PermissionDenied
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questions = exam.exam_questions.all()
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question_number = len(questions)
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return render(
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request,
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"{}/exam_overview.html".format(self.app_name),
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{"exam": exam, "questions": questions, "question_number": question_number},
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)
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@method_decorator(login_required)
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def exam_json_edit(self, request, pk):
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if request.is_ajax() and request.method == "POST":
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exam = get_object_or_404(self.Exam, pk=pk)
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if "add_exam_questions" in request.POST:
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question_ids = json.loads(request.POST.get("add_exam_questions"))
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question_objects = self.Question.objects.filter(pk__in=question_ids)
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exam.exam_questions.add(question_objects)
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exam.save()
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data = {"status": "success"}
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return JsonResponse(data, status=200)
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if "set_open_access" in request.POST:
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if request.POST.get("set_open_access") == "true":
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state = True
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else:
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state = False
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questions_changed = []
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for q in exam.exam_questions.all():
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q.open_access = state
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q.save()
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questions_changed.append(q.pk)
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data = {"status": "success", "questions": questions_changed, "state": state}
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return JsonResponse(data, status=200)
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if "set_exam_order" in request.POST:
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new_order = json.loads(request.POST.get("set_exam_order"))
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preserved = Case(*[When(pk=pk, then=pos) for pos, pk in enumerate(new_order)])
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objects = self.Question.objects.filter(pk__in=new_order).order_by(preserved)
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if len(objects) != exam.exam_questions.count():
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data = {"status": "error, count does not match"}
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return JsonResponse(data, status=400)
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exam.exam_questions.set(objects)
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exam.save()
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data = {"status": "success"}
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return JsonResponse(data, status=200)
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data = {"status": "error, unknown request"}
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return JsonResponse(data, status=400)
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else:
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data = {"status": "error"}
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return JsonResponse(data, status=400)
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@method_decorator(login_required)
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def mark_overview(self, request, pk):
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exam = get_object_or_404(self.Exam, pk=pk)
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if request.user not in exam.author.all():
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if self.app_name == "rapids" and not request.user.groups.filter(name='rapid_checker').exists():
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raise PermissionDenied
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if self.app_name == "anatomy" and not request.user.groups.filter(name='anatomy_checker').exists():
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raise PermissionDenied
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if self.app_name == "longs" and not request.user.groups.filter(name='long_checker').exists():
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raise PermissionDenied
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questions = exam.exam_questions.all()
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return render(
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request, "{}/mark_overview.html".format(self.app_name), {"exam": exam, "questions": questions}
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)
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@method_decorator(login_required)
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def index(self, request):
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if request.user.groups.filter(name='rapid_checker').exists():
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exams = self.Exam.objects.all()
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else:
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exams = self.Exam.objects.filter(author__id=request.user.id)
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return render(request, "{}/index.html".format(self.app_name), {"exams": exams})
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@method_decorator(login_required)
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def exam_question_detail(self, request, pk, sk):
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exam = get_object_or_404(self.Exam, pk=pk)
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if request.user not in exam.author.all():
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if self.app_name == "rapids" and not request.user.groups.filter(name='rapid_checker').exists():
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raise PermissionDenied
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if self.app_name == "anatomy" and not request.user.groups.filter(name='anatomy_checker').exists():
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raise PermissionDenied
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if self.app_name == "longs" and not request.user.groups.filter(name='long_checker').exists():
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raise PermissionDenied
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question = exam.exam_questions.all()[sk]
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exam_length = len(exam.exam_questions.all())
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pos = exam.get_question_index(question) + 1
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previous = -1
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if sk > 0:
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previous = sk - 1
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next = sk + 1
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if sk == exam_length - 1:
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next = False
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return render(
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request,
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"{}/question_detail.html".format(self.app_name),
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{
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"question": question,
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"exam": exam,
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"next": next,
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"previous": previous,
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"exam_length": exam_length,
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"pos": pos,
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},
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)
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def active_exams(self, request, json=True, based=True):
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exams = self.Exam.objects.all()
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active_exams = {"exams": []}
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for exam in exams:
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if exam.active:
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if exam.json_creation_time:
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creation_time = exam.json_creation_time.isoformat()
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else:
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creation_time = "None"
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url = request.build_absolute_uri(exam.get_json_url())
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# hacky
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if not based:
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url = url + "/unbased"
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obj = {
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"name": exam.get_exam_name(),
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"url": url,
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"type": self.question_type,
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"eid": "{}/{}".format(self.question_type, exam.pk),
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"json_creation_time": creation_time
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}
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if self.question_type == "long":
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h = {}
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for question in exam.exam_questions.all():
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h[question.pk] = question.json_creation_time.isoformat()
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obj["multi_question_json"] = h
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active_exams["exams"].append( obj )
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if json == False:
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return active_exams["exams"]
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return JsonResponse(active_exams)
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@method_decorator(csrf_exempt)
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def postExamAnswers(self, request):
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if request.is_ajax and request.method == "POST":
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n = 0
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for answer in json.loads(request.POST.get("answers")):
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ret = self.loadJsonAnswer(answer)
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#if ret is not True:
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# return ret
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if ret:
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n = n + 1
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# print(UserAnswer.objects.filter(exam__id=q["eid"]))
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# print(request.urlencode())
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return JsonResponse({"success": True, "question_count": n})
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return JsonResponse({"success": False, "error": "Invalid data"})
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def exam_json_unbased(self, request, pk):
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"""
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No (file based) caching is enabled for unbased exams
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"""
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exam = get_object_or_404(self.Exam, pk=pk)
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if not exam.active:
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raise Http404("No available exam")
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exam_json = exam.get_exam_json(based=False)
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return JsonResponse(exam_json)
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def exam_json(self, request, pk):
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exam = get_object_or_404(self.Exam, pk=pk)
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if not exam.active:
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raise Http404("No available exam")
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#exam_json_cache = cache.get("{}_exam_json_{}".format(self.app_name, pk))
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path= "{0}{1}/exam/{2}.json".format(settings.MEDIA_ROOT, self.app_name, pk)
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url= "{0}{1}/exam/{2}.json".format(settings.MEDIA_URL, self.app_name, pk)
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if os.path.isfile(path) and not exam.recreate_json:
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#exam_json_cache["cached"] = True
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# Make sure we pass on an argument if we are forcing a reload
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if request.GET.get('_'):
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query_string = urllib.parse.urlencode({'_': request.GET.get('_')})
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url = '{}?{}'.format(url, query_string)
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return redirect(url)
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return redirect(url)
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return JsonResponse(exam_json_cache)
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time = datetime.now()
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with open(path, "w+") as f:
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exam_json = exam.get_exam_json()
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exam_json["generated"] = time.isoformat()
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f.write(json.dumps(exam_json))
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exam.recreate_json = False
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exam.json_creation_time = time
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exam.save()
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# We also try to clear the cache of any associated questions (longs)
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# see exam_question_json
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#n = exam.exam_questions.count()
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#question_keys = ["{}_exam_json_{}_{}".format(self.app_name, pk, i) for i in range(1, n)]
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#cache.delete_many(question_keys)
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#cache.set("{}_exam_json_{}".format(self.app_name, pk), exam_json, 3600)
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return JsonResponse(exam_json)
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def exam_question_json(self, request, pk, sk):
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question = get_object_or_404(self.Question, pk=sk)
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exam = get_object_or_404(self.Exam, pk=pk)
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if not exam.active:
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raise Http404("No available exam")
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if request.GET.get('_'):
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base_url = redirect("{}:question_json".format(self.app_name), pk=sk)
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query_string = urllib.parse.urlencode({'_': request.GET.get('_')})
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url = '{}?{}'.format(base_url, query_string)
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return redirect(url)
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return redirect("{}:question_json".format(self.app_name), pk=sk)
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def exam_question_json_unbased(self, request, pk, sk):
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question = get_object_or_404(self.Question, pk=sk)
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exam = get_object_or_404(self.Exam, pk=pk)
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if not exam.active:
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raise Http404("No available exam")
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return redirect("{}:question_json_unbased".format(self.app_name), pk=sk)
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redirect()
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question_json_cache = cache.get("{}_question_json_{}".format(self.app_name, sk))
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if question_json_cache is not None and not question.recreate_json:
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question_json_cache["cached"] = True
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return JsonResponse(question_json_cache)
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question_json = exam.get_exam_question_json(sk)
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cache.set("{}_question_json_{}".format(self.app_name, sk), question_json, 3600)
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|
|
return JsonResponse(question_json) |