expenses_manager/expenses/templates/categories/list.html

@@ -23,6 +23,7 @@
             <thead>
                 <tr>
                     <th>Categoría</th>
+                    <th>Gastos</th>
                     <th></th>
                 </tr>
             </thead>
@@ -30,6 +31,7 @@
                 {% for row in category_rows %}
                 <tr>
                     <td class="cat-depth-{{ row.depth }}">{{ row.category.name }}</td>
+                    <td>{{ row.category.expense_count }}</td>
                     <td class="table-actions">
                         <a href="{% url 'category_edit' row.category.id %}">Editar</a>
                         <a href="{% url 'category_delete' row.category.id %}" class="danger">Eliminar</a>
@@ -37,7 +39,7 @@
                 </tr>
                 {% empty %}
                 <tr>
-                    <td colspan="2" class="empty-state">
+                    <td colspan="3" class="empty-state">
                         <p>No hay categorías</p>
                     </td>
                 </tr>

expenses_manager/expenses/tests/test_categories.py

@@ -116,3 +116,26 @@ def test_category_list_view_returns_tree_ordered_with_depth(auth_client, user):
         ("Nieto", 2),
         ("B raiz", 0),
     ]
+
+
+def test_category_list_counts_only_direct_expenses(auth_client, user, account):
+    parent = Category.objects.create(name="Padre", owner=user)
+    child = Category.objects.create(name="Hija", owner=user, parent=parent)
+
+    Expense.objects.create(
+        owner=user, account=account, category=parent,
+        amount=Decimal("10"), date=date.today(),
+    )
+    for _ in range(2):
+        Expense.objects.create(
+            owner=user, account=account, category=child,
+            amount=Decimal("5"), date=date.today(),
+        )
+
+    response = auth_client.get(reverse('category_list'))
+
+    counts = {
+        row["category"].name: row["category"].expense_count
+        for row in response.context["category_rows"]
+    }
+    assert counts == {"Padre": 1, "Hija": 2}

expenses_manager/expenses/views.py

@@ -990,7 +990,11 @@ def fuel_delete(request, pk):
 
 @login_required
 def category_list(request):
-    categories = Category.objects.filter(owner=request.user)
+    categories = list(
+        Category.objects.filter(owner=request.user)
+        .annotate(expense_count=Count("expenses"))
+        .select_related("parent")
+    )
 
     if request.method == "POST":
         form = CategoryForm(request.POST, user=request.user)