CRUD Operations for Library models

core/library/views.py

@@ -1,3 +1,99 @@
-from django.shortcuts import render
+from django.shortcuts import render, redirect, get_object_or_404
+from django.contrib.auth.decorators import login_required
+from django.contrib.auth.models import User
+from .models import QivipQuiz, QivipQuestion
+from .forms import QuizForm, QuestionForm
 
-# Create your views here.
+# Übersicht aller Quizze
+@login_required
+def overview_quiz(request):
+    quizzes = QivipQuiz.objects.filter(user_id=request.user)
+    return render(request, 'library/overview_quiz.html', {'quizzes': quizzes})
+
+# Neues Quiz erstellen
+@login_required
+def new_quiz(request):
+    if request.method == 'POST':
+        form = QuizForm(request.POST)
+        if form.is_valid():
+            quiz = form.save(commit=False)
+            quiz.user_id = request.user
+            quiz.save()
+            form.save_m2m()  # Speichert die Many-to-Many Beziehungen (Tags)
+            return redirect('library:edit_quiz', pk=quiz.pk)
+    else:
+        form = QuizForm()
+    return render(request, 'library/form.html', {'form': form})
+
+# Quiz bearbeiten
+@login_required
+def edit_quiz(request, pk):
+    quiz = get_object_or_404(QivipQuiz, pk=pk, user_id=request.user)
+    if request.method == 'POST':
+        form = QuizForm(request.POST, instance=quiz)
+        if form.is_valid():
+            form.save()
+            return redirect('library:overview_quiz')
+    else:
+        form = QuizForm(instance=quiz)
+    return render(request, 'library/form.html', {'form': form})
+
+# Quiz löschen
+@login_required
+def delete_quiz(request, pk):
+    quiz = get_object_or_404(QivipQuiz, pk=pk, user_id=request.user)
+    if request.method == 'POST':
+        quiz.delete()
+        return redirect('library:overview_quiz')
+    return render(request, 'library/delete_confirmation.html', {'object': quiz})
+
+# Quiz anzeigen
+@login_required
+def detail_quiz(request, pk):
+    quiz = get_object_or_404(QivipQuiz, pk=pk, user_id=request.user)
+    questions = QivipQuestion.objects.filter(quiz_id=quiz)
+    return render(request, 'library/detail_quiz.html', {'quiz': quiz, 'questions': questions})
+
+# Übersicht aller Fragen
+@login_required
+def question_list(request):
+    questions = QivipQuestion.objects.filter(quiz_id__user_id=request.user)
+    return render(request, 'library/question_list.html', {'questions': questions})
+
+# Neue Frage erstellen
+@login_required 
+def new_question(request):
+    if request.method == 'POST':
+        form = QuestionForm(request.POST)
+        if form.is_valid():
+            question = form.save(commit=False)
+            # Prüfe ob der User Zugriff auf das Quiz hat
+            if question.quiz_id.user_id != request.user:
+                return redirect('library:question_list')
+            question.save()
+            return redirect('library:edit_question', pk=question.pk)
+    else:
+        form = QuestionForm()
+    return render(request, 'library/form.html', {'form': form})
+
+# Frage bearbeiten
+@login_required
+def edit_question(request, pk):
+    question = get_object_or_404(QivipQuestion, pk=pk, quiz_id__user_id=request.user)
+    if request.method == 'POST':
+        form = QuestionForm(request.POST, instance=question)
+        if form.is_valid():
+            form.save()
+            return redirect('library:edit_question', pk=pk)
+    else:
+        form = QuestionForm(instance=question)
+    return render(request, 'library/form.html', {'form': form})
+
+# Frage löschen
+@login_required
+def delete_question(request, pk):
+    question = get_object_or_404(QivipQuestion, pk=pk, quiz_id__user_id=request.user)
+    if request.method == 'POST':
+        question.delete()
+        return redirect('library:detail_quiz', pk=question.quiz_id.pk)
+    return render(request, 'library/delete_confirmation.html', {'object': question})