port to new django, AI automated

simpleforum/models.py

@@ -1,12 +1,12 @@
-from django.db import models
-from django.utils.translation import ugettext as _
 from django.contrib.auth.models import User
+from django.core.mail import EmailMultiAlternatives
+from django.db import models
 from django.db.models.signals import post_save
 from django.dispatch import receiver
-from django.core.mail import EmailMultiAlternatives
+from django.template.loader import render_to_string
+from django.utils.translation import gettext_lazy as _
+
 from musicians.models import Musician
-from django.template.loader import get_template
-from django.template import Context
 
 
 class Message(models.Model):
@@ -14,30 +14,41 @@ class Message(models.Model):
     text = models.TextField(blank=False, verbose_name=_("text"))
 
     creation_time = models.DateTimeField(verbose_name=_("creation_time"))
-    author = models.ForeignKey(User, verbose_name=_("Author"), on_delete=models.PROTECT)
 
-    def __unicode__(self):
+    author = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name=_("Author"))
+
+    class Meta:
+        ordering = ["-creation_time"]
+
+    def __str__(self):
         return self.author.username + " : " + self.titel
 
 
 @receiver(post_save, sender=Message)
-def my_handler(sender, instance, created, **kwargs):
+def send_forum_notification(sender, instance, created, **kwargs):
+    """Send email notification when a new message is created."""
     if not created:
         return
 
-    receivers = [m.user.email for m in Musician.objects.all()]
+    receivers = [m.user.email for m in Musician.objects.all() if m.user.email]
+
+    if not receivers:
+        return
 
     subject = "Blechreiz Forum: " + instance.titel
-    from_email = 'forum@blechreiz.com'
+    from_email = "forum@blechreiz.com"
 
-    c = {'messages': Message.objects.all().order_by('-creation_time')[:10]}
+    context = {"messages": Message.objects.all().order_by("-creation_time")[:10]}
 
-    text_template = get_template("simpleforum/mail.txt")
-    # html_template = get_template( "simpleforum/mail.html" )
-
-    text_content = text_template.render(Context(c))
-    # html_content = html_template.render( Context(c) )
+    text_content = render_to_string("simpleforum/mail.txt", context)
 
     msg = EmailMultiAlternatives(subject, text_content, from_email, receivers)
-    # msg.attach_alternative( html_content, "text/html" )
-    msg.send()
+    # Uncomment to add HTML version:
+    # html_content = render_to_string("simpleforum/mail.html", context)
+    # msg.attach_alternative(html_content, "text/html")
+
+    try:
+        msg.send()
+    except Exception:
+        # Log the error but don't crash
+        pass