From 79c6f7d0b19163cb4cf6c4f13d21567f41dfa0bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Gruszczy=C5=84ski?=
 <mateusz.gruszczynski@firma.interia.pl>
Date: Fri, 15 Aug 2025 15:52:49 +0200
Subject: [PATCH] usuniecie zbednego kodu i poprawki

---
 app.py | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/app.py b/app.py
index 4da2de1..8cfdcb5 100644
--- a/app.py
+++ b/app.py
@@ -2854,15 +2854,18 @@ def list_products():
             unique_items.append(item)
             seen_names.add(key)
 
-    usage_counts = dict(
-        db.session.query(
-            func.lower(Item.name),
-            func.coalesce(func.sum(Item.quantity), 0)
+    stmt = (
+        select(
+            func.lower(func.trim(Item.name)).label("name_lower"),
+            func.coalesce(func.sum(Item.quantity), 0).label("qty_sum"),
         )
-        .group_by(func.lower(Item.name))
-        .all()
+        .where(Item.name.isnot(None))
+        .group_by(func.lower(func.trim(Item.name)))
     )
 
+    rows = db.session.execute(stmt).all()
+    usage_counts = {name_lower: qty_sum for name_lower, qty_sum in rows}
+
     total_items = len(unique_items)
     total_pages = (total_items + per_page - 1) // per_page
     start = (page - 1) * per_page