616 lines
22 KiB
Python
616 lines
22 KiB
Python
from django.utils import timezone
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import uuid
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from django.http import HttpResponse, HttpResponseRedirect, JsonResponse
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from django.shortcuts import render, redirect, get_object_or_404
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from django.contrib.auth.decorators import login_required
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from django.contrib.auth.models import User
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from django.urls import reverse
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from django.contrib import messages
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from .models import QivipQuiz, QivipQuestion, QivipQuizFavorite, QuestionImage, QuizImage
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from .forms import QuizForm, QuestionForm
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import json
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from django.core.paginator import Paginator
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from .models import QivipQuiz
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from .forms import QuizFilterForm
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from django.db.models import Count
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from django.contrib.auth.models import User
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# Übersicht aller Quizze
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def quiz_names_json(request):
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form = QuizFilterForm(request.GET)
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if form.is_valid():
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search = form.cleaned_data.get('search')
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names = list(
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QivipQuiz.objects.all().annotate(max_amout_questions=Count('questions')).filter(max_amout_questions__gte=1, status='öffentlich', name__icontains=search)
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.values_list('name', flat=True)
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.distinct()
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)
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return JsonResponse(names, safe=False)
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def overview_quiz(request):
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# Filter
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form = QuizFilterForm(request.GET)
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try:
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favorite_quizzes_data = QivipQuizFavorite.objects.filter(user=request.user, favorite=True).order_by("-favorite_date")
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favorite_quiz_ids = favorite_quizzes_data.values_list('quiz', flat=True)
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favorite_quizzes = QivipQuiz.objects.filter(id__in=favorite_quiz_ids)
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except:
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favorite_quizzes_data = QivipQuizFavorite.objects.none()
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favorite_quizzes = QivipQuizFavorite.objects.none()
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favorite_quiz_ids = favorite_quizzes.none()
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favorite_quizzes = QivipQuiz.objects.none()
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# Initialize querysets
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if request.user.is_authenticated:
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filter_my_quizzes = QivipQuiz.objects.filter(user_id=request.user).annotate(max_amout_questions=Count('questions'))
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favorite_quizzes = favorite_quizzes.filter(id__in=favorite_quiz_ids).annotate(max_amout_questions=Count('questions'))
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filter_other_quizzes = QivipQuiz.objects.exclude(user_id=request.user)
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else:
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favorite_quizzes = QivipQuiz.objects.none()
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filter_my_quizzes = QivipQuiz.objects.none()
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filter_other_quizzes = QivipQuiz.objects.all()
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# Apply common filters to other quizzes
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filter_other_quizzes = filter_other_quizzes.annotate(max_amout_questions=Count('questions'))
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filter_other_quizzes = filter_other_quizzes.filter(max_amout_questions__gte=1, status='öffentlich')
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if form.is_valid():
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search = form.cleaned_data.get('search')
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username= form.cleaned_data.get('user')
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max_amout_questions= form.cleaned_data.get('max_amout_questions')
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min_amout_questions= form.cleaned_data.get('min_amout_questions')
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filters = {}
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if username:
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try:
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user = User.objects.get(username=username)
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filters['user_id'] = user.id
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except User.DoesNotExist:
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favorite_quizzes = QivipQuiz.objects.none()
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filter_my_quizzes = QivipQuiz.objects.none()
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filter_other_quizzes=QivipQuiz.objects.none()
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if search:
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filters['name__icontains'] = search
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if min_amout_questions:
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filters['max_amout_questions__gte'] = min_amout_questions
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if max_amout_questions:
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filters['max_amout_questions__lte'] = max_amout_questions
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try:
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filter_other_quizzes = filter_other_quizzes.filter(**filters)
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except:
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filter_other_quizzes=QivipQuiz.objects.none()
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try:
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filter_my_quizzes = filter_my_quizzes.filter(**filters)
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except:
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filter_my_quizzes=QivipQuiz.objects.none()
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try:
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favorite_quizzes = favorite_quizzes.filter(**filters)
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except:
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favorite_quizzes=QivipQuiz.objects.none()
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# Pagination for my quizzes
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my_quizzes_paginator = Paginator(filter_my_quizzes.order_by('-creation_date'), 8) # 8 quizzes per page
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try:
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my_quizzes = my_quizzes_paginator.page(request.GET.get('my_page', 1))
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except:
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my_quizzes = my_quizzes_paginator.page(1)
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# Pagination for other quizzes
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other_quizzes_paginator = Paginator(filter_other_quizzes.order_by('-creation_date'), 8) # 8 quizzes per page
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try:
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other_quizzes = other_quizzes_paginator.page(request.GET.get('other_page', 1))
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except:
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other_quizzes = other_quizzes_paginator.page(1)
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try:
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favorite_quizzes = favorite_quizzes.filter(
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favorites__user=request.user, # Filtere nach dem User
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favorites__favorite=True # Filtere nach favorisierten Quizzes
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).order_by('-favorites__favorite_date')
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except:
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pass
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# Pagination for favorite_quizzes
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favorite_quizzes_paginator = Paginator(favorite_quizzes, 8) # 8 quizzes per page
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try:
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favorite_quizzes = favorite_quizzes_paginator.page(request.GET.get('my_page', 1))
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except:
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favorite_quizzes = favorite_quizzes_paginator.page(1)
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context = {
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'show_search': True,
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'favorite_quiz_ids': favorite_quiz_ids,
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'favorite_quizzes':favorite_quizzes,
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'my_quizzes': my_quizzes,
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'other_quizzes': other_quizzes,
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'form': form,
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}
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return render(request, 'library/overview_quiz.html', context)
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# Neues Quiz erstellen
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@login_required
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def favorite_quiz(request, pk):
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quiz= get_object_or_404(QivipQuiz, pk=pk)
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favorite = QivipQuizFavorite.objects.filter(user=request.user, quiz=quiz).first()
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if favorite:
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favorite.favorite=not favorite.favorite
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if favorite.favorite==True:
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favorite.favorite_date = timezone.now()
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favorite.save()
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else:
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favorite.favorite_date = None
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favorite.delete()
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statement="Das Quiz '"+ favorite.quiz.name+ "' wurde erfolgreich von den Favoriten entfernt!"
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messages.error(request, statement)
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else:
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favorite=QivipQuizFavorite.objects.create(user=request.user, quiz=quiz, favorite=True, favorite_date=timezone.now())
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statement="Das Quiz '"+ favorite.quiz.name+ "' wurde erfolgreich zu den Favoriten hinzugefügt!"
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messages.success(request,statement )
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return redirect(request.META.get('HTTP_REFERER', 'library:overview_quiz'))
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# Neues Quiz erstellen
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@login_required
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def new_quiz(request):
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if request.method == 'POST':
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form = QuizForm(request.POST, request.FILES)
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if form.is_valid():
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quiz = form.save(commit=False)
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try:
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quiz_image=request.FILES['quiz_image']
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imagequiz=QuizImage.objects.create(image=quiz_image)
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quiz.image=imagequiz
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except:
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pass
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quiz.user_id = request.user
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#quiz.creator = request.user
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quiz.save()
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#form.save_m2m() # Speichert die Many-to-Many Beziehungen (Tags)
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return redirect('library:detail_quiz', pk=quiz.pk)
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else:
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form = QuizForm()
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return render(request, 'library/form.html', {'form': form})
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# Quiz bearbeiten
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@login_required
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def edit_quiz(request, pk):
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quiz = get_object_or_404(QivipQuiz, pk=pk, user_id=request.user)
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if request.method == 'POST':
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form = QuizForm(request.POST, instance=quiz, files=request.FILES)
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if form.is_valid():
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if 'reset_image' in request.POST:
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quiz.image = None
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try:
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quiz_image=request.FILES['quiz_image']
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imagequiz=QuizImage.objects.create(image=quiz_image)
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quiz.image=imagequiz
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except:
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pass
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form.save()
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for img in QuizImage.objects.all():
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try:
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img.delete()
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img.image.delete(save=False)
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except:
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pass
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return redirect('library:detail_quiz', pk=pk)
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#return modified(request, pk)
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else:
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form = QuizForm(instance=quiz)
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return render(request, 'library/form.html', {'form': form})
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# Quiz löschen
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@login_required
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def delete_quiz(request, pk):
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quiz = get_object_or_404(QivipQuiz, pk=pk, user_id=request.user)
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if request.method == 'POST':
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quiz.delete()
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for img in QuizImage.objects.all():
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try:
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img.delete()
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img.image.delete(save=False)
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except:
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pass
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for img in QuestionImage.objects.all():
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try:
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img.delete()
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img.image.delete(save=False)
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except:
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pass
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return redirect('library:overview_quiz')
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return render(request, 'library/delete_confirmation.html', {'object': quiz})
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# Quiz anzeigen
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def detail_quiz(request, pk):
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#quiz = get_object_or_404(QivipQuiz, pk=pk, user_id=request.user)
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quiz = get_object_or_404(QivipQuiz, pk=pk)
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show_answers = request.GET.get('show_answers', 'false').lower() == 'true'
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questions = QivipQuestion.objects.filter(quiz_id=quiz)
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# Parse JSON data for each question
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for question in questions:
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if question.data:
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question.data = json.loads(question.data)
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context = {
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'quiz': quiz,
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'questions': questions,
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'detail':show_answers,
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}
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return render(request, 'library/detail_quiz.html', context)
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@login_required
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def copy_quiz(request, pk):
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original_quiz = get_object_or_404(QivipQuiz, pk=pk)
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# Quiz kopieren (ohne ID, damit ein neues Objekt erstellt wird)
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# Quiz kopieren (ohne ID, damit ein neues Objekt erstellt wird)
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new_quiz = original_quiz # Kopie erstellen (aber Achtung: Noch gleiche Referenz!)
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new_quiz.pk = None # Setzt die ID auf None, damit Django es als neues Objekt erkennt
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new_quiz.uuid = uuid.uuid4() # Neue UUID generieren
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new_quiz.user_id = request.user # Neuer Besitzer ist der aktuelle User
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new_quiz.name += " - Kopie"
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new_quiz.base_quiz_id = pk
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new_quiz.rating_count = 0
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new_quiz.average_rating = 3.0
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new_quiz.save() # Speichern als neues Objekt
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# Optional: Beschreibung anpassen
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# Alle zugehörigen Fragen kopieren
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questions = QivipQuestion.objects.filter(quiz_id=pk)
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for question in questions:
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question.uuid = uuid.uuid4()
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question.pk = None # Setze pk auf None, damit es als neues Objekt gespeichert wird
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question.quiz_id = original_quiz # Verknüpfe mit dem neuen Quiz
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question.data = question.data # `data`-Feld wird explizit übernommen # Verknüpfe mit dem neuen Quiz
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question.save()
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messages.success(request, "Quiz wurde erfolgreich kopiert!")
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return redirect('library:detail_quiz', pk=new_quiz.pk)
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# Übersicht aller Fragen
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@login_required
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def question_list(request):
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questions = QivipQuestion.objects.filter(quiz_id__user_id=request.user)
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# Parse JSON data for each question
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for question in questions:
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if question.data:
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question.data = json.loads(question.data)
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return render(request, 'library/question_list.html', {'questions': questions})
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# Neue Frage erstellen
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@login_required
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def new_question(request):
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question_type = request.GET.get('type')
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quiz_id = request.GET.get('quiz_id')
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if not quiz_id:
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messages.error(request, 'Quiz ID muss angegeben werden.')
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return redirect('library:overview_quiz')
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try:
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quiz = QivipQuiz.objects.get(pk=quiz_id, user_id=request.user)
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except QivipQuiz.DoesNotExist:
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messages.error(request, 'Quiz nicht gefunden oder keine Berechtigung.')
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return redirect('library:overview_quiz')
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if question_type not in ['multiple_choice', 'true_false','input']:
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base_url = reverse('library:new_question')
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return redirect(f'{base_url}?type=multiple_choice&quiz_id={quiz_id}')
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if request.method == 'POST':
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question_text = request.POST.get('question', '')
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# Handle different question types
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if question_type == 'true_false':
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correct_answer = request.POST.get('correct_answer') == 'true'
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json_data = {
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'type': question_type,
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'question': question_text,
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'options': [
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{'value': 'Wahr', 'is_correct': correct_answer},
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{'value': 'Falsch', 'is_correct': not correct_answer}
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]
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}
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elif question_type == 'input':
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correct_answer = request.POST.get('correct_answer')
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json_data = {
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'type': question_type,
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'question': question_text,
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'options': [
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{'value': correct_answer, 'is_correct': True}
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]
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}
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elif question_type == 'multiple_choice':
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options = []
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i = 1
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# Limit to maximum 6 options
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while request.POST.get(f'option_{i}') and i <= 6:
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is_correct = request.POST.get(f'correct_{i}') == '1'
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options.append({
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'order': i,
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'value': request.POST.get(f'option_{i}'),
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'is_correct': is_correct
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})
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i += 1
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# Validate minimum 2 options
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if len(options) < 2:
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messages.error(request, 'Mindestens zwei Optionen müssen angegeben werden.')
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return redirect(request.get_full_path())
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json_data = {
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'type': question_type,
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'question': question_text,
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'options': options
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}
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question = QivipQuestion()
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question.data = json.dumps(json_data)
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question.quiz_id = quiz
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try:
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question_image=request.FILES['question_image']
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imagequestion=QuestionImage.objects.create(image=question_image)
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question.image=imagequestion
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except:
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pass
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question.time_per_question = request.POST.get('time_per_question', '30')
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question.save()
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#return modified(request, pk=quiz.pk)
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return redirect('library:detail_quiz', pk=quiz.pk)
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else:
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# Initialize empty question data for new questions
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if question_type == 'true_false':
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question_data = {
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'type': question_type,
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'question': '',
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'options': [
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{'value': 'Wahr', 'is_correct': True},
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{'value': 'Falsch', 'is_correct': False}
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]
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}
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standard_time_per_question = 30
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elif question_type == 'input':
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question_data = {
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'type': question_type,
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'question': '',
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'options': [
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]
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}
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standard_time_per_question = 30
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elif question_type == 'multiple_choice':
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question_data = {
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'type': question_type,
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'question': '',
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'options': [
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{'value': '', 'is_correct': False},
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{'value': '', 'is_correct': False}
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]
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}
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standard_time_per_question = 30
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template_name = f'library/question/question_{question_type}.html'
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context = {
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'question': question_data,
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'quiz_id': quiz_id,
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'quiz': quiz,
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'standard_time_per_question': standard_time_per_question,
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}
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return render(request, template_name, context)
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# Frage bearbeiten
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@login_required
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def edit_question(request, pk):
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question = get_object_or_404(QivipQuestion, pk=pk, quiz_id__user_id=request.user)
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if 'reset_ques_image' in request.POST:
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question.image = None
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if question.quiz_id.user_id != request.user:
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return redirect('library:question_list')
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# Parse the existing JSON data
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try:
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question_data = json.loads(question.data) if question.data else {}
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question_type = question_data.get('type', 'multiple_choice')
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question_image = question.image
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# For true/false questions, get the correct answer from the options
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if question_type == 'true_false':
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# Default to true if no options exist
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correct_answer = True
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if question_data.get('options'):
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correct_answer = question_data['options'][0].get('is_correct', True)
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question_data = {
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'type': question_type,
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'question': question_data.get('question', ''),
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'correct_answer': correct_answer, # Add this for template compatibility
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'options': [
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{'value': 'Wahr', 'is_correct': correct_answer},
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{'value': 'Falsch', 'is_correct': not correct_answer}
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]
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}
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else:
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# For multiple choice questions
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question_data.setdefault('type', question_type)
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question_data.setdefault('question', '')
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question_data.setdefault('options', [])
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except (json.JSONDecodeError, AttributeError):
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# Handle invalid JSON or None data
|
|
question_type = question_data.get('type', 'multiple_choice')
|
|
if question_type == 'true_false':
|
|
question_data = {
|
|
'type': question_type,
|
|
'question': '',
|
|
'correct_answer': True, # Default to true for new questions
|
|
'options': [
|
|
{'value': 'Wahr', 'is_correct': True},
|
|
{'value': 'Falsch', 'is_correct': False}
|
|
]
|
|
}
|
|
else:
|
|
question_data = {
|
|
'type': question_type,
|
|
'question': '',
|
|
'options': []
|
|
}
|
|
|
|
if request.method == 'POST':
|
|
question_text = request.POST.get('question', '')
|
|
try:
|
|
question_image=request.FILES['question_image']
|
|
imagequestion=QuestionImage.objects.create(image=question_image)
|
|
question.image=imagequestion
|
|
except Exception:
|
|
pass
|
|
|
|
# Handle different question types
|
|
if question_type == 'true_false':
|
|
correct_answer = request.POST.get('correct_answer') == 'true'
|
|
json_data = {
|
|
'type': question_type,
|
|
'question': question_text,
|
|
'options': [
|
|
{'value': 'Wahr', 'is_correct': correct_answer},
|
|
{'value': 'Falsch', 'is_correct': not correct_answer}
|
|
]
|
|
}
|
|
elif question_type == 'input':
|
|
correct_answer = request.POST.get('correct_answer')
|
|
json_data = {
|
|
'type': question_type,
|
|
'question': question_text,
|
|
'options': [
|
|
{'value': correct_answer,'is_correct':True}
|
|
|
|
]
|
|
}
|
|
|
|
elif question_type == 'multiple_choice':
|
|
options = []
|
|
i = 1
|
|
# Limit to maximum 6 options
|
|
while request.POST.get(f'option_{i}') and i <= 6:
|
|
options.append({
|
|
'order': i,
|
|
'value': request.POST.get(f'option_{i}'),
|
|
'is_correct': request.POST.get(f'correct_{i}') == '1'
|
|
})
|
|
i += 1
|
|
|
|
# Validate minimum 2 options
|
|
if len(options) < 2:
|
|
messages.error(request, 'Mindestens zwei Optionen müssen angegeben werden.')
|
|
return redirect(request.get_full_path())
|
|
|
|
# Validate maximum 6 options
|
|
if len(options) > 6:
|
|
messages.error(request, 'Maximal 6 Optionen sind erlaubt.')
|
|
return redirect(request.get_full_path())
|
|
|
|
json_data = {
|
|
'type': question_type,
|
|
'question': question_text,
|
|
'options': options
|
|
}
|
|
|
|
question.data = json.dumps(json_data)
|
|
question.time_per_question = request.POST.get('time_per_question', '30')
|
|
|
|
|
|
question.save()
|
|
for img in QuestionImage.objects.all():
|
|
try:
|
|
img.delete()
|
|
img.image.delete(save=False)
|
|
except:
|
|
pass
|
|
#return modified(request, question.quiz_id.pk)
|
|
return redirect('library:detail_quiz', pk=question.quiz_id.pk)
|
|
|
|
else:
|
|
template_name = f'library/question/question_{question_type}.html'
|
|
context = {
|
|
'question': {'data': question_data}, # Wrap in data structure expected by template
|
|
'quiz_id': question.quiz_id.pk,
|
|
'quiz': question.quiz_id,
|
|
'time_per_question': question.time_per_question,
|
|
'image': question_image,
|
|
}
|
|
|
|
return render(request, template_name, context)
|
|
|
|
|
|
# Frage löschen
|
|
@login_required
|
|
def delete_question(request, pk):
|
|
question = get_object_or_404(QivipQuestion, pk=pk, quiz_id__user_id=request.user)
|
|
|
|
# Parse JSON data for question
|
|
if question.data:
|
|
question.data = json.loads(question.data)
|
|
|
|
if request.method == 'POST':
|
|
question.delete()
|
|
for img in QuestionImage.objects.all():
|
|
try:
|
|
img.delete()
|
|
img.image.delete(save=False)
|
|
except:
|
|
pass
|
|
return redirect('library:detail_quiz', pk=question.quiz_id.pk)
|
|
return render(request, 'library/delete_confirmation.html', {'object': question})
|