$colors = implode(",", $colorArr);
$productMgr->updateProduct($product_id, $product_name, $symbol_code, $price, $colors, $description, $stock);
header("Location: admin.php#viewProduct");
} elseif ($operation === "add_product_to_cart") {
session_start();
$customer_id = $_SESSION["userid"];
//$customer_id = filter_input(INPUT_POST,'customer_id');
$product_id = filter_input(INPUT_POST, 'product_id');
$qty = filter_input(INPUT_POST, 'product_qty');
$productMgr->addProductToShoppingCart($customer_id, $product_id, $qty);
//$_SESSION["message_add_cart"] = "Your Selected Prodcut has been added";
//header("Location: testAddToCart.php");
} elseif ($operation === "deletePhoto") {
$product_id = addslashes(filter_input(INPUT_POST, 'product_id'));
$photo_type = addslashes(filter_input(INPUT_POST, 'photo_type'));
$photoMgr->deletePhoto($product_id, $photo_type);
$color_str = $productMgr->getColor($product_id);
$color_arr = explode(",", $color_str);
if (($key = array_search($photo_type, $color_arr)) !== false) {
unset($color_arr[$key]);
}
$new_color_str = implode(",", $color_arr);
$productMgr->updateColor($product_id, $new_color_str);
$productMgr->deleteColorOptionalCodeByProductColor($product_id, $photo_type);
$return = [];
$return['status'] = 'success';
echo json_encode($return);
} elseif ($operation === "updateColor") {
$product_id = addslashes(filter_input(INPUT_POST, 'product_id'));
$new_color = addslashes(filter_input(INPUT_POST, 'new_color'));
$old_color = addslashes(filter_input(INPUT_POST, 'old_color'));