public function updateQuantity(Request $request) { $itemId = $request->input('itemId'); $quantity = $request->input('quantity'); \Log::info("itemId={$itemId} quantity={$quantity}"); if ($quantity > 0) { $item = ShoppingCartItems::find($itemId); $item->quantity = $quantity; $item->save(); } else { $item = ShoppingCartItems::find($itemId)->delete(); } return json_encode('ok'); }