iteracion 2

patch_views.py

@@ -0,0 +1,17 @@
+with open('expenses/views.py', 'r', encoding='utf-8') as f:
+    content = f.read()
+
+# Add transaction and cache imports
+if 'from django.db import transaction' not in content:
+    content = content.replace("from django.db.models import Sum, Count, F", "from django.db.models import Sum, Count, F\nfrom django.db import transaction")
+if 'from django.views.decorators.cache import cache_page' not in content:
+    content = content.replace("from django.contrib.auth.decorators import login_required", "from django.contrib.auth.decorators import login_required\nfrom django.views.decorators.cache import cache_page")
+
+# Decorate dashboard with cache_page
+content = content.replace("@login_required\ndef dashboard(request):", "@login_required\n@cache_page(60 * 5)  # Cache 5 minutos (Disponibilidad)\ndef dashboard(request):")
+
+# Add @transaction.atomic to expense_create
+content = content.replace("@login_required\ndef expense_create(request):", "@login_required\n@transaction.atomic  # Integridad de datos\ndef expense_create(request):")
+
+with open('expenses/views.py', 'w', encoding='utf-8') as f:
+    f.write(content)