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<?php

use Automattic\WooCommerce\Utilities\NumberUtil;
defined('ABSPATH') || exit;
require_once WC_ABSPATH . 'includes/legacy/class-wc-legacy-cart.php';
require_once WC_ABSPATH . 'includes/class-wc-cart-fees.php';
require_once WC_ABSPATH . 'includes/class-wc-cart-session.php';
class WC_Cart extends WC_Legacy_Cart
{
 public $cart_contents = array();
 public $removed_cart_contents = array();
 public $applied_coupons = array();
 protected $shipping_methods;
 protected $default_totals = array('subtotal' => 0, 'subtotal_tax' => 0, 'shipping_total' => 0, 'shipping_tax' => 0, 'shipping_taxes' => array(), 'discount_total' => 0, 'discount_tax' => 0, 'cart_contents_total' => 0, 'cart_contents_tax' => 0, 'cart_contents_taxes' => array(), 'fee_total' => 0, 'fee_tax' => 0, 'fee_taxes' => array(), 'total' => 0, 'total_tax' => 0);
 protected $totals = array();
 protected $session;
 protected $fees_api;
 public function __construct()
 {
 $this->session = new WC_Cart_Session($this);
 $this->fees_api = new WC_Cart_Fees($this);
 $this->session->init();
 add_action('woocommerce_add_to_cart', array($this, 'calculate_totals'), 20, 0);
 add_action('woocommerce_applied_coupon', array($this, 'calculate_totals'), 20, 0);
 add_action('woocommerce_cart_item_removed', array($this, 'calculate_totals'), 20, 0);
 add_action('woocommerce_cart_item_restored', array($this, 'calculate_totals'), 20, 0);
 add_action('woocommerce_check_cart_items', array($this, 'check_cart_items'), 1);
 add_action('woocommerce_check_cart_items', array($this, 'check_cart_coupons'), 1);
 add_action('woocommerce_after_checkout_validation', array($this, 'check_customer_coupons'), 1, 2);
 }
 public function __clone()
 {
 $this->session = clone $this->session;
 $this->fees_api = clone $this->fees_api;
 }
 public function get_cart_contents()
 {
 return apply_filters('woocommerce_get_cart_contents', (array) $this->cart_contents);
 }
 public function get_removed_cart_contents()
 {
 return (array) $this->removed_cart_contents;
 }
 public function get_applied_coupons()
 {
 return (array) $this->applied_coupons;
 }
 public function get_coupon_discount_totals()
 {
 return (array) $this->coupon_discount_totals;
 }
 public function get_coupon_discount_tax_totals()
 {
 return (array) $this->coupon_discount_tax_totals;
 }
 public function get_totals()
 {
 return empty($this->totals) ? $this->default_totals : $this->totals;
 }
 protected function get_totals_var($key)
 {
 return isset($this->totals[$key]) ? $this->totals[$key] : $this->default_totals[$key];
 }
 public function get_subtotal()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('subtotal'));
 }
 public function get_subtotal_tax()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('subtotal_tax'));
 }
 public function get_discount_total()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('discount_total'));
 }
 public function get_discount_tax()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('discount_tax'));
 }
 public function get_shipping_total()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('shipping_total'));
 }
 public function get_shipping_tax()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('shipping_tax'));
 }
 public function get_cart_contents_total()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('cart_contents_total'));
 }
 public function get_cart_contents_tax()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('cart_contents_tax'));
 }
 public function get_total($context = 'view')
 {
 $total = apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('total'));
 return 'view' === $context ? apply_filters('woocommerce_cart_total', wc_price($total)) : $total;
 }
 public function get_total_tax()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('total_tax'));
 }
 public function get_fee_total()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('fee_total'));
 }
 public function get_fee_tax()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('fee_tax'));
 }
 public function get_shipping_taxes()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('shipping_taxes'));
 }
 public function get_cart_contents_taxes()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('cart_contents_taxes'));
 }
 public function get_fee_taxes()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, $this->get_totals_var('fee_taxes'));
 }
 public function display_prices_including_tax()
 {
 return apply_filters('woocommerce_cart_' . __FUNCTION__, 'incl' === $this->get_tax_price_display_mode());
 }
 public function set_cart_contents($value)
 {
 $this->cart_contents = (array) $value;
 }
 public function set_removed_cart_contents($value = array())
 {
 $this->removed_cart_contents = (array) $value;
 }
 public function set_applied_coupons($value = array())
 {
 $this->applied_coupons = (array) $value;
 }
 public function set_coupon_discount_totals($value = array())
 {
 $this->coupon_discount_totals = (array) $value;
 }
 public function set_coupon_discount_tax_totals($value = array())
 {
 $this->coupon_discount_tax_totals = (array) $value;
 }
 public function set_totals($value = array())
 {
 $this->totals = wp_parse_args($value, $this->default_totals);
 }
 public function set_subtotal($value)
 {
 $this->totals['subtotal'] = wc_format_decimal($value);
 }
 public function set_subtotal_tax($value)
 {
 $this->totals['subtotal_tax'] = $value;
 }
 public function set_discount_total($value)
 {
 $this->totals['discount_total'] = $value;
 }
 public function set_discount_tax($value)
 {
 $this->totals['discount_tax'] = $value;
 }
 public function set_shipping_total($value)
 {
 $this->totals['shipping_total'] = wc_format_decimal($value);
 }
 public function set_shipping_tax($value)
 {
 $this->totals['shipping_tax'] = $value;
 }
 public function set_cart_contents_total($value)
 {
 $this->totals['cart_contents_total'] = wc_format_decimal($value);
 }
 public function set_cart_contents_tax($value)
 {
 $this->totals['cart_contents_tax'] = $value;
 }
 public function set_total($value)
 {
 $this->totals['total'] = wc_format_decimal($value, wc_get_price_decimals());
 }
 public function set_total_tax($value)
 {
 $this->totals['total_tax'] = wc_round_tax_total($value);
 }
 public function set_fee_total($value)
 {
 $this->totals['fee_total'] = wc_format_decimal($value);
 }
 public function set_fee_tax($value)
 {
 $this->totals['fee_tax'] = $value;
 }
 public function set_shipping_taxes($value)
 {
 $this->totals['shipping_taxes'] = (array) $value;
 }
 public function set_cart_contents_taxes($value)
 {
 $this->totals['cart_contents_taxes'] = (array) $value;
 }
 public function set_fee_taxes($value)
 {
 $this->totals['fee_taxes'] = (array) $value;
 }
 public function get_taxes()
 {
 return apply_filters('woocommerce_cart_get_taxes', wc_array_merge_recursive_numeric($this->get_shipping_taxes(), $this->get_cart_contents_taxes(), $this->get_fee_taxes()), $this);
 }
 public function get_cart()
 {
 if (!did_action('wp_loaded')) {
 wc_doing_it_wrong(__FUNCTION__, __('Get cart should not be called before the wp_loaded action.', 'woocommerce'), '2.3');
 }
 if (!did_action('woocommerce_load_cart_from_session')) {
 $this->session->get_cart_from_session();
 }
 return array_filter($this->get_cart_contents());
 }
 public function get_cart_item($item_key)
 {
 return isset($this->cart_contents[$item_key]) ? $this->cart_contents[$item_key] : array();
 }
 public function is_empty()
 {
 return 0 === count($this->get_cart());
 }
 public function empty_cart($clear_persistent_cart = true)
 {
 do_action('woocommerce_before_cart_emptied', $clear_persistent_cart);
 $this->cart_contents = array();
 $this->removed_cart_contents = array();
 $this->shipping_methods = array();
 $this->coupon_discount_totals = array();
 $this->coupon_discount_tax_totals = array();
 $this->applied_coupons = array();
 $this->totals = $this->default_totals;
 if ($clear_persistent_cart) {
 $this->session->persistent_cart_destroy();
 }
 $this->fees_api->remove_all_fees();
 do_action('woocommerce_cart_emptied', $clear_persistent_cart);
 }
 public function get_cart_contents_count()
 {
 return apply_filters('woocommerce_cart_contents_count', array_sum(wp_list_pluck($this->get_cart(), 'quantity')));
 }
 public function get_cart_contents_weight()
 {
 $weight = 0.0;
 foreach ($this->get_cart() as $cart_item_key => $values) {
 if ($values['data']->has_weight()) {
 $weight += (float) $values['data']->get_weight() * $values['quantity'];
 }
 }
 return apply_filters('woocommerce_cart_contents_weight', $weight);
 }
 public function get_cart_item_quantities()
 {
 $quantities = array();
 foreach ($this->get_cart() as $cart_item_key => $values) {
 $product = $values['data'];
 $quantities[$product->get_stock_managed_by_id()] = isset($quantities[$product->get_stock_managed_by_id()]) ? $quantities[$product->get_stock_managed_by_id()] + $values['quantity'] : $values['quantity'];
 }
 return $quantities;
 }
 public function check_cart_items()
 {
 $return = true;
 $result = $this->check_cart_item_validity();
 if (is_wp_error($result)) {
 wc_add_notice($result->get_error_message(), 'error');
 $return = false;
 }
 $result = $this->check_cart_item_stock();
 if (is_wp_error($result)) {
 wc_add_notice($result->get_error_message(), 'error');
 $return = false;
 }
 return $return;
 }
 public function check_cart_coupons()
 {
 foreach ($this->get_applied_coupons() as $code) {
 $coupon = new WC_Coupon($code);
 if (!$coupon->is_valid()) {
 $coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_INVALID_REMOVED);
 $this->remove_coupon($code);
 }
 }
 }
 public function check_cart_item_validity()
 {
 $return = true;
 foreach ($this->get_cart() as $cart_item_key => $values) {
 $product = $values['data'];
 if (!$product || !$product->exists() || 'trash' === $product->get_status()) {
 $this->set_quantity($cart_item_key, 0);
 $return = new WP_Error('invalid', __('An item which is no longer available was removed from your cart.', 'woocommerce'));
 }
 }
 return $return;
 }
 public function check_cart_item_stock()
 {
 $error = new WP_Error();
 $product_qty_in_cart = $this->get_cart_item_quantities();
 $current_session_order_id = isset(WC()->session->order_awaiting_payment) ? absint(WC()->session->order_awaiting_payment) : 0;
 foreach ($this->get_cart() as $cart_item_key => $values) {
 $product = $values['data'];
 if (!$product->is_in_stock()) {
 $error->add('out-of-stock', sprintf(__('Sorry, "%s" is not in stock. Please edit your cart and try again. We apologize for any inconvenience caused.', 'woocommerce'), $product->get_name()));
 return $error;
 }
 if (!$product->managing_stock() || $product->backorders_allowed()) {
 continue;
 }
 $held_stock = wc_get_held_stock_quantity($product, $current_session_order_id);
 $required_stock = $product_qty_in_cart[$product->get_stock_managed_by_id()];
 if (apply_filters('woocommerce_cart_item_required_stock_is_not_enough', $product->get_stock_quantity() < $held_stock + $required_stock, $product, $values)) {
 $error->add('out-of-stock', sprintf(__('Sorry, we do not have enough "%1$s" in stock to fulfill your order (%2$s available). We apologize for any inconvenience caused.', 'woocommerce'), $product->get_name(), wc_format_stock_quantity_for_display($product->get_stock_quantity() - $held_stock, $product)));
 return $error;
 }
 }
 return true;
 }
 public function get_item_data($cart_item, $flat = false)
 {
 wc_deprecated_function('WC_Cart::get_item_data', '3.3', 'wc_get_formatted_cart_item_data');
 return wc_get_formatted_cart_item_data($cart_item, $flat);
 }
 public function get_cross_sells()
 {
 $cross_sells = array();
 $in_cart = array();
 if (!$this->is_empty()) {
 foreach ($this->get_cart() as $cart_item_key => $values) {
 if ($values['quantity'] > 0) {
 $cross_sells = array_merge($values['data']->get_cross_sell_ids(), $cross_sells);
 $in_cart[] = $values['product_id'];
 }
 }
 }
 $cross_sells = array_diff($cross_sells, $in_cart);
 return apply_filters('woocommerce_cart_crosssell_ids', wp_parse_id_list($cross_sells), $this);
 }
 public function get_remove_url($cart_item_key)
 {
 wc_deprecated_function('WC_Cart::get_remove_url', '3.3', 'wc_get_cart_remove_url');
 return wc_get_cart_remove_url($cart_item_key);
 }
 public function get_undo_url($cart_item_key)
 {
 wc_deprecated_function('WC_Cart::get_undo_url', '3.3', 'wc_get_cart_undo_url');
 return wc_get_cart_undo_url($cart_item_key);
 }
 public function get_tax_totals()
 {
 $shipping_taxes = $this->get_shipping_taxes();
 $taxes = $this->get_taxes();
 $tax_totals = array();
 foreach ($taxes as $key => $tax) {
 $code = WC_Tax::get_rate_code($key);
 if ($code || apply_filters('woocommerce_cart_remove_taxes_zero_rate_id', 'zero-rated') === $key) {
 if (!isset($tax_totals[$code])) {
 $tax_totals[$code] = new stdClass();
 $tax_totals[$code]->amount = 0;
 }
 $tax_totals[$code]->tax_rate_id = $key;
 $tax_totals[$code]->is_compound = WC_Tax::is_compound($key);
 $tax_totals[$code]->label = WC_Tax::get_rate_label($key);
 if (isset($shipping_taxes[$key])) {
 $tax -= $shipping_taxes[$key];
 $tax = wc_round_tax_total($tax);
 $tax += NumberUtil::round($shipping_taxes[$key], wc_get_price_decimals());
 unset($shipping_taxes[$key]);
 }
 $tax_totals[$code]->amount += wc_round_tax_total($tax);
 $tax_totals[$code]->formatted_amount = wc_price($tax_totals[$code]->amount);
 }
 }
 if (apply_filters('woocommerce_cart_hide_zero_taxes', true)) {
 $amounts = array_filter(wp_list_pluck($tax_totals, 'amount'));
 $tax_totals = array_intersect_key($tax_totals, $amounts);
 }
 return apply_filters('woocommerce_cart_tax_totals', $tax_totals, $this);
 }
 public function get_cart_item_tax_classes()
 {
 $found_tax_classes = array();
 foreach (WC()->cart->get_cart() as $item) {
 if ($item['data'] && ($item['data']->is_taxable() || $item['data']->is_shipping_taxable())) {
 $found_tax_classes[] = $item['data']->get_tax_class();
 }
 }
 return array_unique($found_tax_classes);
 }
 public function get_cart_item_tax_classes_for_shipping()
 {
 $found_tax_classes = array();
 foreach (WC()->cart->get_cart() as $item) {
 if ($item['data'] && $item['data']->is_shipping_taxable()) {
 $found_tax_classes[] = $item['data']->get_tax_class();
 }
 }
 return array_unique($found_tax_classes);
 }
 public function get_displayed_subtotal()
 {
 return $this->display_prices_including_tax() ? $this->get_subtotal() + $this->get_subtotal_tax() : $this->get_subtotal();
 }
 public function find_product_in_cart($cart_id = false)
 {
 if (false !== $cart_id) {
 if (is_array($this->cart_contents) && isset($this->cart_contents[$cart_id])) {
 return $cart_id;
 }
 }
 return '';
 }
 public function generate_cart_id($product_id, $variation_id = 0, $variation = array(), $cart_item_data = array())
 {
 $id_parts = array($product_id);
 if ($variation_id && 0 !== $variation_id) {
 $id_parts[] = $variation_id;
 }
 if (is_array($variation) && !empty($variation)) {
 $variation_key = '';
 foreach ($variation as $key => $value) {
 $variation_key .= trim($key) . trim($value);
 }
 $id_parts[] = $variation_key;
 }
 if (is_array($cart_item_data) && !empty($cart_item_data)) {
 $cart_item_data_key = '';
 foreach ($cart_item_data as $key => $value) {
 if (is_array($value) || is_object($value)) {
 $value = http_build_query($value);
 }
 $cart_item_data_key .= trim($key) . trim($value);
 }
 $id_parts[] = $cart_item_data_key;
 }
 return apply_filters('woocommerce_cart_id', md5(implode('_', $id_parts)), $product_id, $variation_id, $variation, $cart_item_data);
 }
 public function add_to_cart($product_id = 0, $quantity = 1, $variation_id = 0, $variation = array(), $cart_item_data = array())
 {
 try {
 $product_id = absint($product_id);
 $variation_id = absint($variation_id);
 if ('product_variation' === get_post_type($product_id)) {
 $variation_id = $product_id;
 $product_id = wp_get_post_parent_id($variation_id);
 }
 $product_data = wc_get_product($variation_id ? $variation_id : $product_id);
 $quantity = apply_filters('woocommerce_add_to_cart_quantity', $quantity, $product_id);
 if ($quantity <= 0 || !$product_data || 'trash' === $product_data->get_status()) {
 return false;
 }
 if ($product_data->is_type('variation')) {
 $missing_attributes = array();
 $parent_data = wc_get_product($product_data->get_parent_id());
 $variation_attributes = $product_data->get_variation_attributes();
 $variation_attributes = array_filter($variation_attributes);
 $posted_attributes = array();
 foreach ($parent_data->get_attributes() as $attribute) {
 if (!$attribute['is_variation']) {
 continue;
 }
 $attribute_key = 'attribute_' . sanitize_title($attribute['name']);
 if (isset($variation[$attribute_key])) {
 if ($attribute['is_taxonomy']) {
 $value = sanitize_title(wp_unslash($variation[$attribute_key]));
 } else {
 $value = html_entity_decode(wc_clean(wp_unslash($variation[$attribute_key])), ENT_QUOTES, get_bloginfo('charset'));
 }
 if (!empty($value) || '0' === $value) {
 $posted_attributes[$attribute_key] = $value;
 }
 }
 }
 $posted_and_variation_attributes = array_merge($variation_attributes, $posted_attributes);
 if (empty($variation_id)) {
 $data_store = WC_Data_Store::load('product');
 $variation_id = $data_store->find_matching_product_variation($parent_data, $posted_attributes);
 }
 if (empty($variation_id)) {
 throw new Exception(__('Please choose product options&hellip;', 'woocommerce'));
 }
 $variation_data = wc_get_product_variation_attributes($variation_id);
 $attributes = array();
 foreach ($parent_data->get_attributes() as $attribute) {
 if (!$attribute['is_variation']) {
 continue;
 }
 $attribute_key = 'attribute_' . sanitize_title($attribute['name']);
 $valid_value = isset($variation_data[$attribute_key]) ? $variation_data[$attribute_key] : '';
 if (isset($posted_and_variation_attributes[$attribute_key])) {
 $value = $posted_and_variation_attributes[$attribute_key];
 if ($valid_value === $value) {
 $attributes[$attribute_key] = $value;
 } elseif ('' === $valid_value && in_array($value, $attribute->get_slugs(), true)) {
 $attributes[$attribute_key] = $value;
 } else {
 throw new Exception(sprintf(__('Invalid value posted for %s', 'woocommerce'), wc_attribute_label($attribute['name'])));
 }
 } elseif ('' === $valid_value) {
 $missing_attributes[] = wc_attribute_label($attribute['name']);
 }
 $variation = $attributes;
 }
 if (!empty($missing_attributes)) {
 throw new Exception(sprintf(_n('%s is a required field', '%s are required fields', count($missing_attributes), 'woocommerce'), wc_format_list_of_items($missing_attributes)));
 }
 }
 if (0 < $variation_id && (!$product_data->is_type('variation') || $product_data->get_parent_id() !== $product_id)) {
 $product = wc_get_product($product_id);
 throw new Exception(sprintf(__('The selected product isn\'t a variation of %2$s, please choose product options by visiting <a href="%1$s" title="%2$s">%2$s</a>.', 'woocommerce'), esc_url($product->get_permalink()), esc_html($product->get_name())));
 }
 $cart_item_data = (array) apply_filters('woocommerce_add_cart_item_data', $cart_item_data, $product_id, $variation_id, $quantity);
 $cart_id = $this->generate_cart_id($product_id, $variation_id, $variation, $cart_item_data);
 $cart_item_key = $this->find_product_in_cart($cart_id);
 if ($product_data->is_sold_individually()) {
 $quantity = apply_filters('woocommerce_add_to_cart_sold_individually_quantity', 1, $quantity, $product_id, $variation_id, $cart_item_data);
 $found_in_cart = apply_filters('woocommerce_add_to_cart_sold_individually_found_in_cart', $cart_item_key && $this->cart_contents[$cart_item_key]['quantity'] > 0, $product_id, $variation_id, $cart_item_data, $cart_id);
 if ($found_in_cart) {
 $message = sprintf(__('You cannot add another "%s" to your cart.', 'woocommerce'), $product_data->get_name());
 $message = apply_filters('woocommerce_cart_product_cannot_add_another_message', $message, $product_data);
 throw new Exception(sprintf('<a href="%s" class="button wc-forward">%s</a> %s', wc_get_cart_url(), __('View cart', 'woocommerce'), $message));
 }
 }
 if (!$product_data->is_purchasable()) {
 $message = __('Sorry, this product cannot be purchased.', 'woocommerce');
 $message = apply_filters('woocommerce_cart_product_cannot_be_purchased_message', $message, $product_data);
 throw new Exception($message);
 }
 if (!$product_data->is_in_stock()) {
 $message = sprintf(__('You cannot add &quot;%s&quot; to the cart because the product is out of stock.', 'woocommerce'), $product_data->get_name());
 $message = apply_filters('woocommerce_cart_product_out_of_stock_message', $message, $product_data);
 throw new Exception($message);
 }
 if (!$product_data->has_enough_stock($quantity)) {
 $stock_quantity = $product_data->get_stock_quantity();
 $message = sprintf(__('You cannot add that amount of &quot;%1$s&quot; to the cart because there is not enough stock (%2$s remaining).', 'woocommerce'), $product_data->get_name(), wc_format_stock_quantity_for_display($stock_quantity, $product_data));
 $message = apply_filters('woocommerce_cart_product_not_enough_stock_message', $message, $product_data, $stock_quantity);
 throw new Exception($message);
 }
 if ($product_data->managing_stock()) {
 $products_qty_in_cart = $this->get_cart_item_quantities();
 if (isset($products_qty_in_cart[$product_data->get_stock_managed_by_id()]) && !$product_data->has_enough_stock($products_qty_in_cart[$product_data->get_stock_managed_by_id()] + $quantity)) {
 $stock_quantity = $product_data->get_stock_quantity();
 $stock_quantity_in_cart = $products_qty_in_cart[$product_data->get_stock_managed_by_id()];
 $message = sprintf('<a href="%s" class="button wc-forward">%s</a> %s', wc_get_cart_url(), __('View cart', 'woocommerce'), sprintf(__('You cannot add that amount to the cart &mdash; we have %1$s in stock and you already have %2$s in your cart.', 'woocommerce'), wc_format_stock_quantity_for_display($stock_quantity, $product_data), wc_format_stock_quantity_for_display($stock_quantity_in_cart, $product_data)));
 $message = apply_filters('woocommerce_cart_product_not_enough_stock_already_in_cart_message', $message, $product_data, $stock_quantity, $stock_quantity_in_cart);
 throw new Exception($message);
 }
 }
 if ($cart_item_key) {
 $new_quantity = $quantity + $this->cart_contents[$cart_item_key]['quantity'];
 $this->set_quantity($cart_item_key, $new_quantity, false);
 } else {
 $cart_item_key = $cart_id;
 $this->cart_contents[$cart_item_key] = apply_filters('woocommerce_add_cart_item', array_merge($cart_item_data, array('key' => $cart_item_key, 'product_id' => $product_id, 'variation_id' => $variation_id, 'variation' => $variation, 'quantity' => $quantity, 'data' => $product_data, 'data_hash' => wc_get_cart_item_data_hash($product_data))), $cart_item_key);
 }
 $this->cart_contents = apply_filters('woocommerce_cart_contents_changed', $this->cart_contents);
 do_action('woocommerce_add_to_cart', $cart_item_key, $product_id, $quantity, $variation_id, $variation, $cart_item_data);
 return $cart_item_key;
 } catch (Exception $e) {
 if ($e->getMessage()) {
 wc_add_notice($e->getMessage(), 'error');
 }
 return false;
 }
 }
 public function remove_cart_item($cart_item_key)
 {
 if (isset($this->cart_contents[$cart_item_key])) {
 $this->removed_cart_contents[$cart_item_key] = $this->cart_contents[$cart_item_key];
 unset($this->removed_cart_contents[$cart_item_key]['data']);
 do_action('woocommerce_remove_cart_item', $cart_item_key, $this);
 unset($this->cart_contents[$cart_item_key]);
 do_action('woocommerce_cart_item_removed', $cart_item_key, $this);
 return true;
 }
 return false;
 }
 public function restore_cart_item($cart_item_key)
 {
 if (isset($this->removed_cart_contents[$cart_item_key])) {
 $restore_item = $this->removed_cart_contents[$cart_item_key];
 $this->cart_contents[$cart_item_key] = $restore_item;
 $this->cart_contents[$cart_item_key]['data'] = wc_get_product($restore_item['variation_id'] ? $restore_item['variation_id'] : $restore_item['product_id']);
 do_action('woocommerce_restore_cart_item', $cart_item_key, $this);
 unset($this->removed_cart_contents[$cart_item_key]);
 do_action('woocommerce_cart_item_restored', $cart_item_key, $this);
 return true;
 }
 return false;
 }
 public function set_quantity($cart_item_key, $quantity = 1, $refresh_totals = true)
 {
 if (0 === $quantity || $quantity < 0) {
 wc_do_deprecated_action('woocommerce_before_cart_item_quantity_zero', array($cart_item_key, $this), '3.7.0', 'woocommerce_remove_cart_item');
 return $this->remove_cart_item($cart_item_key);
 }
 $old_quantity = $this->cart_contents[$cart_item_key]['quantity'];
 $this->cart_contents[$cart_item_key]['quantity'] = $quantity;
 do_action('woocommerce_after_cart_item_quantity_update', $cart_item_key, $quantity, $old_quantity, $this);
 if ($refresh_totals) {
 $this->calculate_totals();
 }
 do_action('woocommerce_cart_item_set_quantity', $cart_item_key, $quantity, $this);
 return true;
 }
 public function get_customer()
 {
 return WC()->customer;
 }
 public function calculate_totals()
 {
 $this->reset_totals();
 if ($this->is_empty()) {
 $this->session->set_session();
 return;
 }
 do_action('woocommerce_before_calculate_totals', $this);
 new WC_Cart_Totals($this);
 do_action('woocommerce_after_calculate_totals', $this);
 }
 public function needs_payment()
 {
 return apply_filters('woocommerce_cart_needs_payment', 0 < $this->get_total('edit'), $this);
 }
 public function calculate_shipping()
 {
 $this->shipping_methods = $this->needs_shipping() ? $this->get_chosen_shipping_methods(WC()->shipping()->calculate_shipping($this->get_shipping_packages())) : array();
 $shipping_taxes = wp_list_pluck($this->shipping_methods, 'taxes');
 $merged_taxes = array();
 foreach ($shipping_taxes as $taxes) {
 foreach ($taxes as $tax_id => $tax_amount) {
 if (!isset($merged_taxes[$tax_id])) {
 $merged_taxes[$tax_id] = 0;
 }
 $merged_taxes[$tax_id] += $tax_amount;
 }
 }
 $this->set_shipping_total(array_sum(wp_list_pluck($this->shipping_methods, 'cost')));
 $this->set_shipping_tax(array_sum($merged_taxes));
 $this->set_shipping_taxes($merged_taxes);
 return $this->shipping_methods;
 }
 protected function get_chosen_shipping_methods($calculated_shipping_packages = array())
 {
 $chosen_methods = array();
 foreach ($calculated_shipping_packages as $key => $package) {
 $chosen_method = wc_get_chosen_shipping_method_for_package($key, $package);
 if ($chosen_method) {
 $chosen_methods[$key] = $package['rates'][$chosen_method];
 }
 }
 return $chosen_methods;
 }
 protected function filter_items_needing_shipping($item)
 {
 $product = $item['data'];
 return $product && $product->needs_shipping();
 }
 protected function get_items_needing_shipping()
 {
 return array_filter($this->get_cart(), array($this, 'filter_items_needing_shipping'));
 }
 public function get_shipping_packages()
 {
 return apply_filters('woocommerce_cart_shipping_packages', array(array('contents' => $this->get_items_needing_shipping(), 'contents_cost' => array_sum(wp_list_pluck($this->get_items_needing_shipping(), 'line_total')), 'applied_coupons' => $this->get_applied_coupons(), 'user' => array('ID' => get_current_user_id()), 'destination' => array('country' => $this->get_customer()->get_shipping_country(), 'state' => $this->get_customer()->get_shipping_state(), 'postcode' => $this->get_customer()->get_shipping_postcode(), 'city' => $this->get_customer()->get_shipping_city(), 'address' => $this->get_customer()->get_shipping_address(), 'address_1' => $this->get_customer()->get_shipping_address(), 'address_2' => $this->get_customer()->get_shipping_address_2()), 'cart_subtotal' => $this->get_displayed_subtotal())));
 }
 public function needs_shipping()
 {
 if (!wc_shipping_enabled() || 0 === wc_get_shipping_method_count(true)) {
 return false;
 }
 $needs_shipping = false;
 foreach ($this->get_cart_contents() as $cart_item_key => $values) {
 if ($values['data']->needs_shipping()) {
 $needs_shipping = true;
 break;
 }
 }
 return apply_filters('woocommerce_cart_needs_shipping', $needs_shipping);
 }
 public function needs_shipping_address()
 {
 return apply_filters('woocommerce_cart_needs_shipping_address', true === $this->needs_shipping() && !wc_ship_to_billing_address_only());
 }
 public function show_shipping()
 {
 if (!wc_shipping_enabled() || !$this->get_cart_contents()) {
 return false;
 }
 if ('yes' === get_option('woocommerce_shipping_cost_requires_address')) {
 $country = $this->get_customer()->get_shipping_country();
 if (!$country) {
 return false;
 }
 $country_fields = WC()->countries->get_address_fields($country, 'shipping_');
 if (isset($country_fields['shipping_state']) && $country_fields['shipping_state']['required'] && !$this->get_customer()->get_shipping_state()) {
 return false;
 }
 if (isset($country_fields['shipping_postcode']) && $country_fields['shipping_postcode']['required'] && !$this->get_customer()->get_shipping_postcode()) {
 return false;
 }
 }
 return apply_filters('woocommerce_cart_ready_to_calc_shipping', true);
 }
 public function get_cart_shipping_total()
 {
 $total = __('Free!', 'woocommerce');
 if (0 < $this->get_shipping_total()) {
 if ($this->display_prices_including_tax()) {
 $total = wc_price($this->shipping_total + $this->shipping_tax_total);
 if ($this->shipping_tax_total > 0 && !wc_prices_include_tax()) {
 $total .= ' ' . WC()->countries->inc_tax_or_vat() . '';
 }
 } else {
 $total = wc_price($this->shipping_total);
 if ($this->shipping_tax_total > 0 && wc_prices_include_tax()) {
 $total .= ' ' . WC()->countries->ex_tax_or_vat() . '';
 }
 }
 }
 return apply_filters('woocommerce_cart_shipping_total', $total, $this);
 }
 public function check_customer_coupons($posted)
 {
 foreach ($this->get_applied_coupons() as $code) {
 $coupon = new WC_Coupon($code);
 if ($coupon->is_valid()) {
 $current_user = wp_get_current_user();
 $billing_email = isset($posted['billing_email']) ? $posted['billing_email'] : '';
 $check_emails = array_unique(array_filter(array_map('strtolower', array_map('sanitize_email', array($billing_email, $current_user->user_email)))));
 $restrictions = $coupon->get_email_restrictions();
 if (is_array($restrictions) && 0 < count($restrictions) && !$this->is_coupon_emails_allowed($check_emails, $restrictions)) {
 $coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_NOT_YOURS_REMOVED);
 $this->remove_coupon($code);
 }
 $coupon_usage_limit = $coupon->get_usage_limit_per_user();
 if (0 < $coupon_usage_limit && 0 === get_current_user_id()) {
 $coupon_data_store = $coupon->get_data_store();
 $billing_email = strtolower(sanitize_email($billing_email));
 if ($coupon_data_store && $coupon_data_store->get_usage_by_email($coupon, $billing_email) >= $coupon_usage_limit) {
 if ($coupon_data_store->get_tentative_usages_for_user($coupon->get_id(), array($billing_email))) {
 $coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_USAGE_LIMIT_COUPON_STUCK_GUEST);
 } else {
 $coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_USAGE_LIMIT_REACHED);
 }
 }
 }
 }
 }
 }
 public function is_coupon_emails_allowed($check_emails, $restrictions)
 {
 foreach ($check_emails as $check_email) {
 if (in_array($check_email, $restrictions, true)) {
 return true;
 }
 foreach ($restrictions as $restriction) {
 $regex = '/^' . str_replace('*', '(.+)?', $restriction) . '$/';
 preg_match($regex, $check_email, $match);
 if (!empty($match)) {
 return true;
 }
 }
 }
 return false;
 }
 public function has_discount($coupon_code = '')
 {
 return $coupon_code ? in_array(wc_format_coupon_code($coupon_code), $this->applied_coupons, true) : count($this->applied_coupons) > 0;
 }
 public function apply_coupon($coupon_code)
 {
 if (!wc_coupons_enabled()) {
 return false;
 }
 $coupon_code = wc_format_coupon_code($coupon_code);
 $the_coupon = new WC_Coupon($coupon_code);
 if ($the_coupon->get_code() !== $coupon_code) {
 $the_coupon->set_code($coupon_code);
 $the_coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_NOT_EXIST);
 return false;
 }
 if (!$the_coupon->is_valid()) {
 wc_add_notice($the_coupon->get_error_message(), 'error');
 return false;
 }
 if ($this->has_discount($coupon_code)) {
 $the_coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_ALREADY_APPLIED);
 return false;
 }
 if ($the_coupon->get_individual_use()) {
 $coupons_to_keep = apply_filters('woocommerce_apply_individual_use_coupon', array(), $the_coupon, $this->applied_coupons);
 foreach ($this->applied_coupons as $applied_coupon) {
 $keep_key = array_search($applied_coupon, $coupons_to_keep, true);
 if (false === $keep_key) {
 $this->remove_coupon($applied_coupon);
 } else {
 unset($coupons_to_keep[$keep_key]);
 }
 }
 if (!empty($coupons_to_keep)) {
 $this->applied_coupons += $coupons_to_keep;
 }
 }
 if ($this->applied_coupons) {
 foreach ($this->applied_coupons as $code) {
 $coupon = new WC_Coupon($code);
 if ($coupon->get_individual_use() && false === apply_filters('woocommerce_apply_with_individual_use_coupon', false, $the_coupon, $coupon, $this->applied_coupons)) {
 $coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_ALREADY_APPLIED_INDIV_USE_ONLY);
 return false;
 }
 }
 }
 $this->applied_coupons[] = $coupon_code;
 if ($the_coupon->get_free_shipping()) {
 $packages = WC()->shipping()->get_packages();
 $chosen_shipping_methods = WC()->session->get('chosen_shipping_methods');
 foreach ($packages as $i => $package) {
 $chosen_shipping_methods[$i] = 'free_shipping';
 }
 WC()->session->set('chosen_shipping_methods', $chosen_shipping_methods);
 }
 $the_coupon->add_coupon_message(WC_Coupon::WC_COUPON_SUCCESS);
 do_action('woocommerce_applied_coupon', $coupon_code);
 return true;
 }
 public function get_coupons($deprecated = null)
 {
 $coupons = array();
 if ('order' === $deprecated) {
 return $coupons;
 }
 foreach ($this->get_applied_coupons() as $code) {
 $coupon = new WC_Coupon($code);
 $coupons[$code] = $coupon;
 }
 return $coupons;
 }
 public function get_coupon_discount_amount($code, $ex_tax = true)
 {
 $totals = $this->get_coupon_discount_totals();
 $discount_amount = isset($totals[$code]) ? $totals[$code] : 0;
 if (!$ex_tax) {
 $discount_amount += $this->get_coupon_discount_tax_amount($code);
 }
 return wc_cart_round_discount($discount_amount, wc_get_price_decimals());
 }
 public function get_coupon_discount_tax_amount($code)
 {
 $totals = $this->get_coupon_discount_tax_totals();
 return wc_cart_round_discount(isset($totals[$code]) ? $totals[$code] : 0, wc_get_price_decimals());
 }
 public function remove_coupons($deprecated = null)
 {
 $this->set_coupon_discount_totals(array());
 $this->set_coupon_discount_tax_totals(array());
 $this->set_applied_coupons(array());
 $this->session->set_session();
 }
 public function remove_coupon($coupon_code)
 {
 $coupon_code = wc_format_coupon_code($coupon_code);
 $position = array_search($coupon_code, array_map('wc_format_coupon_code', $this->get_applied_coupons()), true);
 if (false !== $position) {
 unset($this->applied_coupons[$position]);
 }
 WC()->session->set('refresh_totals', true);
 do_action('woocommerce_removed_coupon', $coupon_code);
 return true;
 }
 public function calculate_fees()
 {
 do_action('woocommerce_cart_calculate_fees', $this);
 }
 public function fees_api()
 {
 return $this->fees_api;
 }
 public function add_fee($name, $amount, $taxable = false, $tax_class = '')
 {
 $this->fees_api()->add_fee(array('name' => $name, 'amount' => (float) $amount, 'taxable' => $taxable, 'tax_class' => $tax_class));
 }
 public function get_fees()
 {
 $fees = $this->fees_api()->get_fees();
 if (property_exists($this, 'fees')) {
 $fees = $fees + (array) $this->fees;
 }
 return $fees;
 }
 public function get_total_ex_tax()
 {
 return apply_filters('woocommerce_cart_total_ex_tax', wc_price(max(0, $this->get_total('edit') - $this->get_total_tax())));
 }
 public function get_cart_total()
 {
 return apply_filters('woocommerce_cart_contents_total', wc_price(wc_prices_include_tax() ? $this->get_cart_contents_total() + $this->get_cart_contents_tax() : $this->get_cart_contents_total()));
 }
 public function get_cart_subtotal($compound = false)
 {
 if ($compound) {
 $cart_subtotal = wc_price($this->get_cart_contents_total() + $this->get_shipping_total() + $this->get_taxes_total(false, false));
 } elseif ($this->display_prices_including_tax()) {
 $cart_subtotal = wc_price($this->get_subtotal() + $this->get_subtotal_tax());
 if ($this->get_subtotal_tax() > 0 && !wc_prices_include_tax()) {
 $cart_subtotal .= ' ' . WC()->countries->inc_tax_or_vat() . '';
 }
 } else {
 $cart_subtotal = wc_price($this->get_subtotal());
 if ($this->get_subtotal_tax() > 0 && wc_prices_include_tax()) {
 $cart_subtotal .= ' ' . WC()->countries->ex_tax_or_vat() . '';
 }
 }
 return apply_filters('woocommerce_cart_subtotal', $cart_subtotal, $compound, $this);
 }
 public function get_product_price($product)
 {
 if ($this->display_prices_including_tax()) {
 $product_price = wc_get_price_including_tax($product);
 } else {
 $product_price = wc_get_price_excluding_tax($product);
 }
 return apply_filters('woocommerce_cart_product_price', wc_price($product_price), $product);
 }
 public function get_product_subtotal($product, $quantity)
 {
 $price = $product->get_price();
 if ($product->is_taxable()) {
 if ($this->display_prices_including_tax()) {
 $row_price = wc_get_price_including_tax($product, array('qty' => $quantity));
 $product_subtotal = wc_price($row_price);
 if (!wc_prices_include_tax() && $this->get_subtotal_tax() > 0) {
 $product_subtotal .= ' ' . WC()->countries->inc_tax_or_vat() . '';
 }
 } else {
 $row_price = wc_get_price_excluding_tax($product, array('qty' => $quantity));
 $product_subtotal = wc_price($row_price);
 if (wc_prices_include_tax() && $this->get_subtotal_tax() > 0) {
 $product_subtotal .= ' ' . WC()->countries->ex_tax_or_vat() . '';
 }
 }
 } else {
 $row_price = $price * $quantity;
 $product_subtotal = wc_price($row_price);
 }
 return apply_filters('woocommerce_cart_product_subtotal', $product_subtotal, $product, $quantity, $this);
 }
 public function get_cart_tax()
 {
 $cart_total_tax = wc_round_tax_total($this->get_cart_contents_tax() + $this->get_shipping_tax() + $this->get_fee_tax());
 return apply_filters('woocommerce_get_cart_tax', $cart_total_tax ? wc_price($cart_total_tax) : '');
 }
 public function get_tax_amount($tax_rate_id)
 {
 $taxes = wc_array_merge_recursive_numeric($this->get_cart_contents_taxes(), $this->get_fee_taxes());
 return isset($taxes[$tax_rate_id]) ? $taxes[$tax_rate_id] : 0;
 }
 public function get_shipping_tax_amount($tax_rate_id)
 {
 $taxes = $this->get_shipping_taxes();
 return isset($taxes[$tax_rate_id]) ? $taxes[$tax_rate_id] : 0;
 }
 public function get_taxes_total($compound = true, $display = true)
 {
 $total = 0;
 $taxes = $this->get_taxes();
 foreach ($taxes as $key => $tax) {
 if (!$compound && WC_Tax::is_compound($key)) {
 continue;
 }
 $total += $tax;
 }
 if ($display) {
 $total = wc_format_decimal($total, wc_get_price_decimals());
 }
 return apply_filters('woocommerce_cart_taxes_total', $total, $compound, $display, $this);
 }
 public function get_total_discount()
 {
 return apply_filters('woocommerce_cart_total_discount', $this->get_discount_total() ? wc_price($this->get_discount_total()) : false, $this);
 }
 private function reset_totals()
 {
 $this->totals = $this->default_totals;
 $this->fees_api->remove_all_fees();
 do_action('woocommerce_cart_reset', $this, false);
 }
 public function get_tax_price_display_mode()
 {
 if ($this->get_customer() && $this->get_customer()->get_is_vat_exempt()) {
 return 'excl';
 }
 return get_option('woocommerce_tax_display_cart');
 }
 public function get_cart_hash()
 {
 $cart_session = $this->session->get_cart_for_session();
 $hash = $cart_session ? md5(wp_json_encode($cart_session) . $this->get_total('edit')) : '';
 $hash = apply_filters_deprecated('woocommerce_add_to_cart_hash', array($hash, $cart_session), '3.6.0', 'woocommerce_cart_hash');
 return apply_filters('woocommerce_cart_hash', $hash, $cart_session);
 }
}