masowa edycja kategorii, crop dla usera i poprawki w zapytaniach

app.py

@@ -1143,7 +1143,8 @@ def main_page():
         # ostatnia kwota (w tym przypadku max = suma z ostatniego zapisu)
         latest_expenses_map = dict(
             db.session.query(
-                Expense.list_id, func.coalesce(func.max(Expense.amount), 0)
+                Expense.list_id,
+                func.coalesce(func.sum(Expense.amount), 0)
             )
             .filter(Expense.list_id.in_(all_ids))
             .group_by(Expense.list_id)
@@ -1907,21 +1908,21 @@ def admin_panel():
             .group_by(Item.list_id)
             .all()
         )
-
         stats_map = {
             s.list_id: (s.total_count or 0, s.purchased_count or 0) for s in stats
         }
 
-        # Pobranie ostatnich kwot dla wszystkich list w jednym zapytaniu
         latest_expenses_map = dict(
             db.session.query(
-                Expense.list_id, func.coalesce(func.max(Expense.amount), 0)
+                Expense.list_id,
+                func.coalesce(func.sum(Expense.amount), 0)
             )
             .filter(Expense.list_id.in_(all_ids))
             .group_by(Expense.list_id)
             .all()
         )
 
+
     enriched_lists = []
     for l in all_lists:
         total_count, purchased_count = stats_map.get(l.id, (0, 0))
@@ -2024,6 +2025,7 @@ def admin_panel():
     )
 
 
+
 @app.route("/admin/delete_list/<int:list_id>")
 @login_required
 @admin_required
@@ -2634,6 +2636,27 @@ def recalculate_filesizes_all():
     return redirect(url_for("admin_receipts", id="all"))
 
 
+@app.route("/admin/mass_edit_categories", methods=["GET", "POST"])
+@login_required
+@admin_required
+def admin_mass_edit_categories():
+    lists = ShoppingList.query.options(joinedload(ShoppingList.categories)).order_by(ShoppingList.created_at.desc()).all()
+    categories = Category.query.order_by(Category.name.asc()).all()
+
+    if request.method == "POST":
+        for lst in lists:
+            selected_ids = request.form.getlist(f"categories_{lst.id}")
+            lst.categories.clear()
+            if selected_ids:
+                cats = Category.query.filter(Category.id.in_(selected_ids)).all()
+                lst.categories.extend(cats)
+        db.session.commit()
+        flash("Zaktualizowano kategorie dla wybranych list", "success")
+        return redirect(url_for("admin_mass_edit_categories"))
+
+    return render_template("admin/mass_edit_categories.html", lists=lists, categories=categories)
+
+
 @app.route("/healthcheck")
 def healthcheck():
     header_token = request.headers.get("X-Internal-Check")