Messages

mysite/settings.py

 LOGIN_REDIRECT_URL = '/polls/'
 LOGOUT_REDIRECT_URL = '/polls/'
 
-
+from django.contrib.messages import constants as messages
+
+MESSAGE_TAGS = {
+        messages.DEBUG: 'alert-secondary',
+        messages.INFO: 'alert-info',
+        messages.SUCCESS: 'alert-success',
+        messages.WARNING: 'alert-warning',
+        messages.ERROR: 'alert-danger',
+}

polls/migrations/0002_notice_user_id.py

+# Generated by Django 4.2.6 on 2023-12-07 13:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('polls', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='notice',
+            name='user_id',
+            field=models.IntegerField(blank=True, default=None, null=True),
+        ),
+    ]

polls/models.py

 class Notice(models.Model):
     notice_title = models.CharField(max_length=80)
     notice_text = models.CharField(max_length=400)
+    user_id = models.IntegerField(default=None, null=True, blank=True)
     pub_start = models.DateTimeField()
     pub_end = models.DateTimeField()
 

polls/views.py

 from django.utils import timezone
 from .forms import NoticeForm
 from django.contrib.auth.decorators import login_required
+from django.contrib import messages
 
 
 @login_required
             notice.notice_text = form.cleaned_data['notice_text']
             notice.pub_start = form.cleaned_data['pub_start']
             notice.pub_end = form.cleaned_data['pub_end']
+            notice.user_id = request.user.id
             notice.save()
+            messages.success(request, f"Neue Nachricht erstellt")
             return redirect('index')
+        else:
+            for msg in form.error_messages:
+                messages.error(request, f"{msg}: {form.error_messages[msg]}")
     context = {'form': NoticeForm()}
     return render(request, 'polls/edit.html', context)
 
     if deleteId is not None:
         try:
             notice = Notice.objects.get(pk=deleteId)
-            if request.user.id == notice.user_id:
+            if request.user.id == notice.user_id or request.user.is_staff:
                 notice.delete()
+                messages.success(request, f"Nachricht gelöscht")
+            else:
+                messages.warning(request, f"Keine Berechtigung")
         except:
-            pass
+            messages.warning(request, f"Nachricht nicht gefunden")
     return redirect('index')
 
 def index(request):

templates/base.html

   </div>
 </nav>
 
+{% for message in messages %}
+    <div class="alert {{ message.tags }}" role="alert">
+        {{ message }}
+    </div>
+{% endfor %}
+
+
 <div class="container">
     {% block content %} Platzhalter {% endblock %}
 

templates/polls/index.html

         <h3>{{ notice.notice_title }}</h3>
         <p>{{ notice.notice_text }}</p>
 
-        {% if user.is_staff %}
+
+
+        {% if user.is_staff or notice.user_id == user.id %}
             <p>
                 <a  href="{%  url 'delete' deleteId=notice.id %}"
                     class="btn btn-danger">
 
     <hr>
 
+    {% if user.is_authenticated %}
     <p>
         <a  href="{%  url 'new' %}"
             class="btn btn-primary">
             Neue Meldung erstellen
         </a>
     </p>
+    {% endif %}
 
 
 {% endblock %}