Returns whether or not the product has enough stock for the order.
| public has_enough_stock ( mixed $quantity ) : boolean | ||
| $quantity | mixed | |
| return | boolean | |
/**
* Validate Klarna order
* Checks order items' stock status.
*
* @since 1.0.0
*/
public static function validate_checkout_listener()
{
// Read the post body
$post_body = file_get_contents('php://input');
// Convert post body into native object
$data = json_decode($post_body, true);
$all_in_stock = true;
if (get_option('woocommerce_manage_stock') == 'yes') {
$cart_items = $data['cart']['items'];
foreach ($cart_items as $cart_item) {
if ('physical' == $cart_item['type']) {
$cart_item_product = new WC_Product($cart_item['reference']);
if (!$cart_item_product->has_enough_stock($cart_item['quantity'])) {
$all_in_stock = false;
}
}
}
}
if ($all_in_stock) {
header('HTTP/1.0 200 OK');
} else {
header('HTTP/1.0 303 See Other');
header('Location: ' . WC()->cart->get_cart_url());
}
}
/**
* Returns whether or not the product has enough stock for the order.
*
* @param mixed $quantity
* @return bool
*/
public function has_enough_stock($quantity)
{
if (true === $this->managing_stock()) {
return parent::has_enough_stock($quantity);
} else {
return $this->parent->has_enough_stock($quantity);
}
}
/**
* Add a product to the cart
*
* @param string product_id contains the id of the product to add to the cart
* @param string quantity contains the quantity of the item to add
* @param int variation_id
* @param array variation attribute values
*/
function add_to_cart($product_id, $quantity = 1, $variation_id = '', $variation = '')
{
global $woocommerce;
if ($quantity < 1) {
return false;
}
// Load cart item data - may be added by other plugins
$cart_item_data = (array) apply_filters('woocommerce_add_cart_item_data', array(), $product_id);
// Generate a ID based on product ID, variation ID, variation data, and other cart item data
$cart_id = $this->generate_cart_id($product_id, $variation_id, $variation, $cart_item_data);
// See if this product and its options is already in the cart
$cart_item_key = $this->find_product_in_cart($cart_id);
if ($variation_id > 0) {
$product_data = new WC_Product_Variation($variation_id);
} else {
$product_data = new WC_Product($product_id);
}
// Type/Exists check
if ($product_data->is_type('external') || !$product_data->exists()) {
$woocommerce->add_error(__('This product cannot be purchased.', 'woocommerce'));
return false;
}
// Price set check
if ($product_data->get_price() === '') {
$woocommerce->add_error(__('This product cannot be purchased - the price is not yet set.', 'woocommerce'));
return false;
}
// Stock check - only check if we're managing stock and backorders are not allowed
if (!$product_data->has_enough_stock($quantity)) {
$woocommerce->add_error(sprintf(__('You cannot add that amount to the cart since there is not enough stock. We have %s in stock.', 'woocommerce'), $product_data->get_stock_quantity()));
return false;
} elseif (!$product_data->is_in_stock()) {
$woocommerce->add_error(__('You cannot add that product to the cart since the product is out of stock.', 'woocommerce'));
return false;
}
if ($cart_item_key) {
$quantity = $quantity + $this->cart_contents[$cart_item_key]['quantity'];
// Stock check - this time accounting for whats already in-cart
if (!$product_data->has_enough_stock($quantity)) {
$woocommerce->add_error(sprintf(__('You cannot add that amount to the cart since there is not enough stock. We have %s in stock and you already have %s in your cart.', 'woocommerce'), $product_data->get_stock_quantity(), $this->cart_contents[$cart_item_key]['quantity']));
return false;
} elseif (!$product_data->is_in_stock()) {
$woocommerce->add_error(__('You cannot add that product to the cart since the product is out of stock.', 'woocommerce'));
return false;
}
$this->set_quantity($cart_item_key, $quantity);
} else {
// Add item after merging with $cart_item_data - hook to allow plugins to modify cart item
$this->cart_contents[$cart_id] = apply_filters('woocommerce_add_cart_item', array_merge($cart_item_data, array('product_id' => $product_id, 'variation_id' => $variation_id, 'variation' => $variation, 'quantity' => $quantity, 'data' => $product_data)));
}
$this->set_session();
return true;
}
/**
* Check stock before attempting to call the add_to_cart function
* Some double checking happens, but it's better than partially adding items to the cart
**/
function validate_stock($product_id, $variation_id, $quantity, $exclude_cart, $silent)
{
global $woocommerce;
if ($variation_id > 0) {
if ($this->is_wc_v2()) {
$product_data = get_product($variation_id, array('product_type' => 'variation'));
} else {
$product_data = new WC_Product_Variation($variation_id);
}
} else {
if ($this->is_wc_v2()) {
$product_data = get_product($product_id, array('product_type' => 'simple'));
} else {
$product_data = new WC_Product($product_id);
}
}
// Stock check - only check if we're managing stock and backorders are not allowed.
if (!$product_data->is_in_stock()) {
if (!$silent) {
$woocommerce->add_error(sprintf(__('You cannot add this product to the cart since "%s" is out of stock.', 'woo-bundles'), $product_data->get_title()));
}
return false;
} elseif (!$product_data->has_enough_stock($quantity)) {
if (!$silent) {
$woocommerce->add_error(sprintf(__('You cannot add that amount to the cart since there is not enough stock of "%s". We have %s in stock.', 'woo-bundles'), $product_data->get_title(), $product_data->get_stock_quantity()));
}
return false;
}
// Stock check - this time accounting for whats already in-cart.
if ($exclude_cart) {
return true;
}
$product_qty_in_cart = $woocommerce->cart->get_cart_item_quantities();
if ($product_data->managing_stock()) {
// Variations
if ($variation_id && $product_data->variation_has_stock) {
if (isset($product_qty_in_cart[$variation_id]) && !$product_data->has_enough_stock($product_qty_in_cart[$variation_id] + $quantity)) {
if (!$silent) {
$woocommerce->add_error(sprintf(__('<a href="%s" class="button">%s</a>You cannot add that amount to the cart since there is not enough stock of "%s" — we have %s in stock and you already have %s in your cart.', 'woo-bundles'), get_permalink(woocommerce_get_page_id('cart')), __('View Cart →', 'woocommerce'), $product_data->get_title(), $product_data->get_stock_quantity(), $product_qty_in_cart[$variation_id]));
}
return false;
}
// Products
} else {
if (isset($product_qty_in_cart[$product_id]) && !$product_data->has_enough_stock($product_qty_in_cart[$product_id] + $quantity)) {
if (!$silent) {
$woocommerce->add_error(sprintf(__('<a href="%s" class="button">%s</a>You cannot add that amount to the cart since there is not enough stock of "%s" — we have %s in stock and you already have %s in your cart.', 'woo-bundles'), get_permalink(woocommerce_get_page_id('cart')), __('View Cart →', 'woocommerce'), $product_data->get_title(), $product_data->get_stock_quantity(), $product_qty_in_cart[$product_id]));
}
return false;
}
}
}
return true;
}
/**
* Add a product to the cart
*
* @param string $product_id contains the id of the product to add to the cart
* @param string $quantity contains the quantity of the item to add
* @param int $variation_id
* @param array $variation attribute values
* @param array $cart_item_data extra cart item data we want to pass into the item
* @return bool
*/
function add_to_cart($product_id, $quantity = 1, $variation_id = '', $variation = '', $cart_item_data = array())
{
global $woocommerce;
if ($quantity < 1) {
return false;
}
// Load cart item data - may be added by other plugins
$cart_item_data = (array) apply_filters('woocommerce_add_cart_item_data', $cart_item_data, $product_id);
// Generate a ID based on product ID, variation ID, variation data, and other cart item data
$cart_id = $this->generate_cart_id($product_id, $variation_id, $variation, $cart_item_data);
// See if this product and its options is already in the cart
$cart_item_key = $this->find_product_in_cart($cart_id);
if ($variation_id > 0) {
$product_data = new WC_Product_Variation($variation_id);
} else {
$product_data = new WC_Product($product_id);
}
// Force quantity to 1 if sold individually
if ($product_data->is_sold_individually()) {
$quantity = 1;
}
// Type/Exists check
if ($product_data->is_type('external') || !$product_data->exists()) {
$woocommerce->add_error(__('This product cannot be purchased.', 'woocommerce'));
return false;
}
// Price set check
if ($product_data->get_price() === '') {
$woocommerce->add_error(__('This product cannot be purchased - the price is not yet set.', 'woocommerce'));
return false;
}
// Stock check - only check if we're managing stock and backorders are not allowed
if (!$product_data->has_enough_stock($quantity)) {
$woocommerce->add_error(sprintf(__('You cannot add that amount to the cart since there is not enough stock. We have %s in stock.', 'woocommerce'), $product_data->get_stock_quantity()));
return false;
} elseif (!$product_data->is_in_stock()) {
$woocommerce->add_error(__('You cannot add that product to the cart since the product is out of stock.', 'woocommerce'));
return false;
}
// Downloadable/virtual qty check
if ($product_data->is_sold_individually()) {
$in_cart_quantity = $cart_item_key ? $this->cart_contents[$cart_item_key]['quantity'] + $quantity : $quantity;
// If its greater than 1, its already in the cart
if ($in_cart_quantity > 1) {
$woocommerce->add_error(sprintf('<a href="%s" class="button">%s</a> %s', get_permalink(woocommerce_get_page_id('cart')), __('View Cart →', 'woocommerce'), __('You already have this item in your cart.', 'woocommerce')));
return false;
}
}
// Stock check - this time accounting for whats already in-cart
$product_qty_in_cart = $this->get_cart_item_quantities();
if ($product_data->managing_stock()) {
// Variations
if ($variation_id && $product_data->variation_has_stock) {
if (isset($product_qty_in_cart[$variation_id]) && !$product_data->has_enough_stock($product_qty_in_cart[$variation_id] + $quantity)) {
$woocommerce->add_error(sprintf(__('<a href="%s" class="button">%s</a> You cannot add that amount to the cart — we have %s in stock and you already have %s in your cart.', 'woocommerce'), get_permalink(woocommerce_get_page_id('cart')), __('View Cart →', 'woocommerce'), $product_data->get_stock_quantity(), $product_qty_in_cart[$variation_id]));
return false;
}
// Products
} else {
if (isset($product_qty_in_cart[$product_id]) && !$product_data->has_enough_stock($product_qty_in_cart[$product_id] + $quantity)) {
$woocommerce->add_error(sprintf(__('<a href="%s" class="button">%s</a> You cannot add that amount to the cart — we have %s in stock and you already have %s in your cart.', 'woocommerce'), get_permalink(woocommerce_get_page_id('cart')), __('View Cart →', 'woocommerce'), $product_data->get_stock_quantity(), $product_qty_in_cart[$product_id]));
return false;
}
}
}
// If cart_item_key is set, the item is already in the cart
if ($cart_item_key) {
$new_quantity = $quantity + $this->cart_contents[$cart_item_key]['quantity'];
$this->set_quantity($cart_item_key, $new_quantity);
} else {
$cart_item_key = $cart_id;
// Add item after merging with $cart_item_data - hook to allow plugins to modify cart item
$this->cart_contents[$cart_item_key] = apply_filters('woocommerce_add_cart_item', array_merge($cart_item_data, array('product_id' => $product_id, 'variation_id' => $variation_id, 'variation' => $variation, 'quantity' => $quantity, 'data' => $product_data)), $cart_item_key);
}
do_action('woocommerce_add_to_cart', $cart_item_key, $product_id, $quantity, $variation_id, $variation, $cart_item_data);
$woocommerce->cart_has_contents_cookie(true);
$this->set_session();
return true;
}
