Django Projektordner von 'core' in ''django' umbenennen
This commit is contained in:
juhnsa
295
django/library/views.py
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295
django/library/views.py
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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
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from .forms import QuizForm, QuestionForm
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import json
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# Übersicht aller Quizze
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@login_required
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def overview_quiz(request):
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quizzes = QivipQuiz.objects.filter(user_id=request.user)
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return render(request, 'library/overview_quiz.html', {'quizzes': quizzes})
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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)
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if form.is_valid():
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quiz = form.save(commit=False)
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quiz.user_id = 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:edit_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)
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if form.is_valid():
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form.save()
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return redirect('library:overview_quiz')
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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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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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@login_required
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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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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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}
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return render(request, 'library/detail_quiz.html', context)
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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']:
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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 == '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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question.save()
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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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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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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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}
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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 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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# 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
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question_type = question_data.get('type', 'multiple_choice')
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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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'correct_answer': True, # Default to true for new questions
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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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else:
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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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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 == '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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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': request.POST.get(f'correct_{i}') == '1'
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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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# Validate maximum 6 options
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if len(options) > 6:
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messages.error(request, 'Maximal 6 Optionen sind erlaubt.')
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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.data = json.dumps(json_data)
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question.save()
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return redirect('library:detail_quiz', pk=question.quiz_id.pk)
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else:
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template_name = f'library/question/question_{question_type}.html'
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context = {
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'question': {'data': question_data}, # Wrap in data structure expected by template
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'quiz_id': question.quiz_id.pk,
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'quiz': question.quiz_id
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}
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return render(request, template_name, context)
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# Frage löschen
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@login_required
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def delete_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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# Parse JSON data for question
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if question.data:
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question.data = json.loads(question.data)
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if request.method == 'POST':
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question.delete()
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return redirect('library:detail_quiz', pk=question.quiz_id.pk)
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return render(request, 'library/delete_confirmation.html', {'object': question})
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