//check user account exits
if (!check_user($userId)) {
$result["return"] = false;
$result["message"] = "Invalid user.";
echo json_encode($result);
exit;
}
//check user is active or not
if (!check_user_active($userId)) {
$result["return"] = false;
$result["message"] = "Dear user! Please pay your bills to reactivate your account.";
echo json_encode($result);
exit;
}
//check Product is valid and belong to the user
if (!check_productId_is_valid($productId, $userId)) {
$result["return"] = false;
$result["message"] = "Invalid Product Id";
echo json_encode($result);
exit;
}
//fetch all the product
$product = Db::fetch("product", array("user_id" => $userId, "id" => $productId), array("=", "="));
if (!Db::getError()) {
//create dateTime from time stamp
$dateTime = date("d/m/y", $product[0]["time"]);
//fetch Size & quantity
$q = Db::query("SELECT size,quantity FROM `sq` WHERE user_id=? AND product_id=?", array($userId, $productId));
$sqResult = $q->fetchAll(PDO::FETCH_ASSOC);
$sizeArray = array();
$quantityArray = array();
//check user id is valid
if (!check_user($user_id)) {
$result["message"] = "Invalid user";
$result["return"] = false;
json($result);
}
/******************************
Check if sales is from ListedProduct or NonListedProduct
************************************/
if (isset($_POST["salesType"]) && isset($_POST["productId"]) && isset($_POST["productCode"])) {
/*********************** Listed Product *****************/
$sales_type = e($_POST["salesType"]);
$product_id = e($_POST["productId"]);
$product_code = e($_POST["productCode"]);
//check product id is valid or not
if (!check_productId_is_valid($product_id, $user_id)) {
$result["message"] = "Invalid Product id";
$result["return"] = false;
json($result);
}
//check size is valid
$sizeCount = Db::rowCount("sq", array("user_id" => $user_id, "product_id" => $product_id, "size" => $size_stack), array("=", "=", "="));
if ($sizeCount <= 0) {
$result["message"] = "Invalid size `{$size_stack}` of product";
$result["return"] = false;
json($result);
}
//check quantity is not zero
if ($quantity_stack <= 0) {
$result["message"] = "Invalid quantity. Quantity cannot be zero";
$result["return"] = false;
