zmiany uxowe w panelu

app.py

@@ -3720,10 +3720,10 @@ def recalculate_filesizes_all():
     return redirect(url_for("admin_receipts", id="all"))
 
 
-@app.route("/admin/mass_edit_categories", methods=["GET", "POST"])
+@app.route("/admin/edit_categories", methods=["GET", "POST"])
 @login_required
 @admin_required
-def admin_mass_edit_categories():
+def admin_edit_categories():
     page, per_page = get_page_args(default_per_page=50, max_per_page=200)
 
     lists_query = ShoppingList.query.options(
@@ -3752,13 +3752,13 @@ def admin_mass_edit_categories():
         db.session.commit()
         flash("Zaktualizowano kategorie dla wybranych list", "success")
         return redirect(
-            url_for("admin_mass_edit_categories", page=page, per_page=per_page)
+            url_for("admin_edit_categories", page=page, per_page=per_page)
         )
 
     query_string = urlencode({k: v for k, v in request.args.items() if k != "page"})
 
     return render_template(
-        "admin/mass_edit_categories.html",
+        "admin/edit_categories.html",
         lists=lists,
         categories=categories,
         page=page,
@@ -3768,6 +3768,30 @@ def admin_mass_edit_categories():
         query_string=query_string,
     )
 
+@app.route("/admin/edit_categories/<int:list_id>/save", methods=["POST"])
+@login_required
+@admin_required
+def admin_edit_categories_save(list_id):
+    l = db.session.get(ShoppingList, list_id)
+    if not l:
+        return jsonify(ok=False, error="not_found"), 404
+
+    data = request.get_json(silent=True) or {}
+    ids = data.get("category_ids", [])
+
+    try:
+        ids = [int(x) for x in ids]
+    except (TypeError, ValueError):
+        return jsonify(ok=False, error="bad_ids"), 400
+
+    l.categories.clear()
+    if ids:
+        cats = Category.query.filter(Category.id.in_(ids)).all()
+        l.categories.extend(cats)
+
+    db.session.commit()
+    return jsonify(ok=True, count=len(l.categories)), 200
+
 
 @app.route("/admin/list_items/<int:list_id>")
 @login_required