costs sum works in view fallenbirds

app/bird/models.py

@@ -28,9 +28,6 @@ class FallenBird(models.Model):
     diagnostic_finding = models.CharField(
         max_length=256, verbose_name=_("Diagnose bei Fund")
     )
-    #  costs = models.DecimalField(
-        #  max_digits=5, decimal_places=2, default="0.00", verbose_name=_("Kosten")
-    #  )
     rescuer = models.ForeignKey(
         Rescuer,
         on_delete=models.SET_NULL,

app/bird/templates/bird/bird_all.html

@@ -66,7 +66,7 @@
       <td>{{ bird.place }}</td>
       <td>{{ bird.status }}</td>
       <td>{{ bird.aviary|default_if_none:"" }}</td>
-      <td>{{ bird.costs }}</td>
+      <td>{{ bird.total_costs |default_if_none:"0,00" }} &euro;</td>
     </tr>
     {% endfor %}
   </tbody>

app/bird/views.py

@@ -1,4 +1,5 @@
 import names
+from django.db.models import Sum
 from django.contrib.auth.decorators import login_required
 from django.shortcuts import HttpResponse, redirect, render
 from rescuer.models import Rescuer
@@ -42,7 +43,7 @@ def bird_help(request):
 
 @login_required(login_url="account_login")
 def bird_all(request):
-    birds = FallenBird.objects.all()
+    birds = FallenBird.objects.all().annotate(total_costs=Sum('costs__costs'))
     rescuer_modal = Rescuer.objects.all()
     context = {"birds": birds, "rescuer_modal": rescuer_modal}
     # Post came from the modal form.

app/costs/forms.py

@@ -23,7 +23,7 @@ class CostsForm(forms.ModelForm):
         ]
         labels = {
             "id_bird": _("Patient"),
-            "costs": _("Betrag"),
+            "costs": _("Betrag [€]"),
             "comment": _("Bemerkung"),
             "created": _("Gebucht am"),
         }