feat: added ticket history

ticketsystem/views.py

@@ -10,7 +10,7 @@ from django.contrib.auth.mixins import LoginRequiredMixin
 from django.contrib import messages
 from django.shortcuts import redirect
 
-from .models import Ticket
+from .models import Ticket, TicketHistory
 
 
 class HomeView(TemplateView):
@@ -63,6 +63,7 @@ class TicketDetailView(FormMixin, DetailView):
         context["form"] = self.get_form()
         return context
 
+
 class TicketCreateView(CreateView):
     model = Ticket
     fields = ["title", "description", "priority", "assigned_to"]  # user & status wird automatisch gesetzt
@@ -74,6 +75,7 @@ class TicketCreateView(CreateView):
         form.instance.status = "open"  # Neues Ticket beginnt immer als "offen"
         return super().form_valid(form)
 
+
 class TicketUpdateView(LoginRequiredMixin, UpdateView):
     model = Ticket
     fields = ["title", "description", "status", "priority", "assigned_to"]
@@ -90,3 +92,24 @@ class TicketUpdateView(LoginRequiredMixin, UpdateView):
 
     def get_queryset(self):
         return Ticket.objects.all()  # Optional: Nur eigene Tickets bearbeiten lassen?
+
+    def form_valid(self, form):
+        ticket = form.instance
+        original = Ticket.objects.get(pk=ticket.pk)
+
+        response = super().form_valid(form)  # Speichert das Ticket
+
+        tracked_fields = ["status", "description"]
+        for field in tracked_fields:
+            if field in form.changed_data:
+                old_value = getattr(original, field)
+                new_value = form.cleaned_data.get(field)
+                TicketHistory.objects.create(
+                    ticket=ticket,
+                    changed_by=self.request.user,
+                    field=field,
+                    old_value=str(old_value),
+                    new_value=str(new_value),
+                )
+
+        return response