sinnvolleres_speichern

django/library/migrations/0051_alter_qivipquestion_image_alter_qivipquiz_image.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.1.7 on 2025-04-23 12:04
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('library', '0050_questionimage_quizimages_alter_qivipquestion_image_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='qivipquestion',
+            name='image',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='questions', to='library.questionimage'),
+        ),
+        migrations.AlterField(
+            model_name='qivipquiz',
+            name='image',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='quizzes', to='library.quizimage'),
+        ),
+    ]

django/library/migrations/0052_alter_qivipquestion_image_alter_qivipquiz_image_and_more.py

@@ -0,0 +1,29 @@
+# Generated by Django 5.1.7 on 2025-04-23 12:21
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('library', '0051_alter_qivipquestion_image_alter_qivipquiz_image'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='qivipquestion',
+            name='image',
+            field=models.ImageField(blank=True, null=True, upload_to='question_images/', verbose_name='Bild'),
+        ),
+        migrations.AlterField(
+            model_name='qivipquiz',
+            name='image',
+            field=models.ImageField(blank=True, max_length=256, null=True, upload_to='quiz_images/', verbose_name='Bild'),
+        ),
+        migrations.DeleteModel(
+            name='QuestionImage',
+        ),
+        migrations.DeleteModel(
+            name='QuizImage',
+        ),
+    ]

django/library/migrations/0053_questionimage_quizimage_alter_qivipquestion_image_and_more.py

@@ -0,0 +1,38 @@
+# Generated by Django 5.1.7 on 2025-04-23 13:15
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('library', '0052_alter_qivipquestion_image_alter_qivipquiz_image_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='QuestionImage',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('image', models.ImageField(blank=True, null=True, upload_to='question_images/', verbose_name='Bild')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='QuizImage',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('image', models.ImageField(blank=True, max_length=256, null=True, upload_to='quiz_images/', verbose_name='Bild')),
+            ],
+        ),
+        migrations.AlterField(
+            model_name='qivipquestion',
+            name='image',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='questions', to='library.questionimage'),
+        ),
+        migrations.AlterField(
+            model_name='qivipquiz',
+            name='image',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='quizzes', to='library.quizimage'),
+        ),
+    ]

django/library/models.py

@@ -40,7 +40,7 @@ class QivipQuiz(models.Model):
     QuizImage,
     null=True,
     blank=True,
-    on_delete=models.SET_NULL,  # Bild bleibt erhalten, selbst wenn das Quiz gelöscht wird
+    on_delete=models.PROTECT, 
     related_name="quizzes"
     )
 
@@ -95,7 +95,7 @@ class QivipQuestion(models.Model):
     QuestionImage,
     null=True,
     blank=True,
-    on_delete=models.SET_NULL,
+    on_delete=models.PROTECT,
     related_name="questions"
 )
 

django/library/views.py

@@ -197,21 +197,19 @@ def new_quiz(request):
         
     if request.method == 'POST':
 
+
         form = QuizForm(request.POST, request.FILES)
-        try:
-            uploaded_file = request.FILES["quiz_image"]
-            quiz_img = QuizImage.objects.create(image=uploaded_file)
-        except Exception:
-                pass
         if form.is_valid():
             quiz = form.save(commit=False)
-
             try:
+                quiz_image=request.FILES['quiz_image']
+                imagequiz=QuizImage.objects.create(image=quiz_image)
+                quiz.image=imagequiz
 
-                quiz.image = quiz_img
+            except:
-            except Exception:
                 pass
 
+            
             quiz.user_id = request.user
             #quiz.creator = request.user
             quiz.save()
@@ -229,19 +227,27 @@ def edit_quiz(request, pk):
     if request.method == 'POST':
         form = QuizForm(request.POST, instance=quiz, files=request.FILES) 
         if form.is_valid():
-            try:
 
-                uploaded_file = request.FILES["quiz_image"]
-                quiz_img = QuizImage.objects.create(image=uploaded_file)
-                quiz.image = quiz_img
-                quiz.save()
-            except Exception:
-                pass
             if 'reset_image' in request.POST:
                 quiz.image = None
 
+            try:
+                quiz_image=request.FILES['quiz_image']
+                imagequiz=QuizImage.objects.create(image=quiz_image)
+                quiz.image=imagequiz
+
+
+            except:
+                pass
+
+            
             
             form.save()
+            for img in QuizImage.objects.all():
+                try:
+                    img.delete()
+                except:
+                    pass
             return redirect('library:detail_quiz', pk=pk)
             #return modified(request, pk)
             
@@ -254,11 +260,19 @@ def edit_quiz(request, pk):
 def delete_quiz(request, pk):
     quiz = get_object_or_404(QivipQuiz, pk=pk, user_id=request.user)
     if request.method == 'POST':
-        if quiz.image:
-            quiz.image = None  # Entfernt das Bild aus der Datenbank, aber löscht es nicht
-            quiz.save()  # Speichere die Änderungen in der Datenbank
-
         quiz.delete()
+        for img in QuizImage.objects.all():
+            try:
+                img.delete()
+                img.image.delete(save=False)
+            except:
+                pass
+        for img in QuestionImage.objects.all():
+            try:
+                img.delete()
+                img.image.delete(save=False)
+            except:
+                pass
 
         return redirect('library:overview_quiz')
     return render(request, 'library/delete_confirmation.html', {'object': quiz})
@@ -309,6 +323,7 @@ def copy_quiz(request, pk):
         question.pk = None  # Setze pk auf None, damit es als neues Objekt gespeichert wird
         question.quiz_id = original_quiz  # Verknüpfe mit dem neuen Quiz
         question.data = question.data  # `data`-Feld wird explizit übernommen # Verknüpfe mit dem neuen Quiz
+
         question.save()
     
     messages.success(request, "Quiz wurde erfolgreich kopiert!")
@@ -349,7 +364,6 @@ def new_question(request):
        
     if request.method == 'POST':
         question_text = request.POST.get('question', '')
-        question_image = request.FILES.get('question_image', None)
         
         # Handle different question types
         if question_type == 'true_false':
@@ -389,17 +403,10 @@ def new_question(request):
         question = QivipQuestion()
         question.data = json.dumps(json_data)
         question.quiz_id = quiz
-        if request.method == 'POST':
-            try:
-                question_image = request.FILES['question_image']
-            except Exception:
-                pass
-
         try:
-            if question_image:
+            question_image=request.FILES['question_image']
-                question_img = QuestionImage.objects.create(image=question_image)  # Erstelle das QuestionImage-Objekt
+            imagequestion=QuestionImage.objects.create(image=question_image)
-                question.image = question_img  # Weise es dem Bildfeld zu
+            question.image=imagequestion
-                question.save()
         except:
             pass
 
@@ -500,7 +507,9 @@ def edit_question(request, pk):
     if request.method == 'POST':
         question_text = request.POST.get('question', '')
         try:
-            question_image = request.FILES['question_image']
+            question_image=request.FILES['question_image']
+            imagequestion=QuestionImage.objects.create(image=question_image)
+            question.image=imagequestion
         except Exception:
             pass
 
@@ -545,16 +554,14 @@ def edit_question(request, pk):
             
         question.data = json.dumps(json_data)
         question.time_per_question = request.POST.get('time_per_question', '30')
-        try:
-          if question_image:
-            question_img = QuestionImage.objects.create(image=question_image)  # Erstelle das QuestionImage-Objekt
-            question.image = question_img  # Weise es dem Bildfeld zu
-            question.save()
-        except:
-            pass
 
         
         question.save()
+        for img in QuestionImage.objects.all():
+            try:
+                img.delete()
+            except:
+                pass
         #return modified(request, question.quiz_id.pk)
         return redirect('library:detail_quiz', pk=question.quiz_id.pk)
         
@@ -582,5 +589,10 @@ def delete_question(request, pk):
     
     if request.method == 'POST':
         question.delete()
+        for img in QuestionImage.objects.all():
+            try:
+                img.delete()
+            except:
+                pass
         return redirect('library:detail_quiz', pk=question.quiz_id.pk)
     return render(request, 'library/delete_confirmation.html', {'object': question})

django/templates/library/form.html

@@ -5,6 +5,7 @@
     <form method="post" enctype="multipart/form-data">
         {% csrf_token %}
         {{ form.as_p }}
+
         {% if form.instance.image %}
         <img src="{{ form.instance.image.image.url }}" style="max-width: 100px;" alt="Bild der Frage">
         <label for="reset_image">
@@ -14,7 +15,7 @@
         {% endif %}
         <div>
             <label class="font-bold" for="quiz_image">Bild:</label>
-            <input value="form.instance.image.url" class="bg-blue-200 p-2 m-2 rounded-lg border-2 border-blue-400" type="file" name="quiz_image" id="quiz_image">
+            <input  class="bg-blue-200 p-2 m-2 rounded-lg border-2 border-blue-400" type="file" name="quiz_image" id="quiz_image">
         </div>