Small improvements in user shift account log.

tapir/shifts/models.py

@@ -918,12 +918,12 @@ def get_upcoming_shift_attendances(self):
             slot__shift__start_time__gt=timezone.localtime()
         ).with_valid_state()
 
-    def get_account_balance(self):
+    def get_account_balance(self, at_date: datetime.datetime | None = None):
+        entries = self.user.shift_account_entries
+        if at_date:
+            entries = entries.filter(date__lte=at_date)
         # Might return None if no objects, so "or 0"
-        return (
-            self.user.shift_account_entries.aggregate(balance=Sum("value"))["balance"]
-            or 0
-        )
+        return entries.aggregate(balance=Sum("value"))["balance"] or 0
 
     def is_balance_ok(self):
         balance = self.get_account_balance()

tapir/shifts/templates/shifts/user_shift_account_log.html

@@ -27,15 +27,17 @@ <h5 class="card-header d-flex justify-content-between align-items-center">
                 <tr>
                     <th>{% translate 'Date' %}</th>
                     <th>{% translate 'Value' %}</th>
+                    <th>{% translate 'Balance at date' %}</th>
                     <th>{% translate 'Description' %}</th>
                 </tr>
                 </thead>
                 <tbody>
-                {% for entry in entries %}
+                {% for entry_data in entries_data %}
                     <tr>
-                        <td>{{ entry.date }}</td>
-                        <td>{{ entry.value }}</td>
-                        <td class="description">{{ entry.description }}</td>
+                        <td>{{ entry_data.entry.date|date:"d.m.Y H:i" }}</td>
+                        <td>{{ entry_data.entry.value }}</td>
+                        <td>{{ entry_data.balance_at_date }}</td>
+                        <td class="description">{{ entry_data.entry.description }}</td>
                     </tr>
                 {% endfor %}
                 </tbody>

tapir/shifts/views/views.py

@@ -128,7 +128,7 @@ def dictionary_get(dic, key):
 class UserShiftAccountLog(LoginRequiredMixin, PermissionRequiredMixin, TemplateView):
     template_name = "shifts/user_shift_account_log.html"
 
-    def get_target_user(self):
+    def get_target_user(self) -> TapirUser:
         return TapirUser.objects.get(pk=self.kwargs["user_pk"])
 
     def get_permission_required(self):
@@ -138,10 +138,17 @@ def get_permission_required(self):
 
     def get_context_data(self, **kwargs):
         context = super().get_context_data()
-        context["user"] = self.get_target_user()
-        context["entries"] = ShiftAccountEntry.objects.filter(
-            user=self.get_target_user()
-        ).order_by("-date")
+        user = self.get_target_user()
+        context["user"] = user
+        context["entries_data"] = [
+            {
+                "entry": entry,
+                "balance_at_date": user.shift_user_data.get_account_balance(
+                    at_date=entry.date
+                ),
+            }
+            for entry in ShiftAccountEntry.objects.filter(user=user).order_by("-date")
+        ]
         return context