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<?php |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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include_once( WC_ABSPATH . 'includes/legacy/class-wc-legacy-cart.php' ); |
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/** |
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* Cart session class. |
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* @version 2.7.0 |
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* @package WooCommerce/Classes |
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* @category Class |
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* @author WooThemes |
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*/ |
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abstract class WC_Cart_Session extends WC_Legacy_Cart { |
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/** |
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* Cart items class. |
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* @var WC_Cart_Items |
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*/ |
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protected $items; |
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/** |
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* Cart coupons class. |
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* @var WC_Cart_Coupons |
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*/ |
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protected $coupons; |
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/** |
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* Cart fees class. |
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* @var WC_Cart_Fees |
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*/ |
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public $fees; |
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/** |
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* Cart totals class. |
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* @var WC_Cart_Totals |
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*/ |
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protected $totals; |
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/** |
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* Constructor. |
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*/ |
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public function __construct() { |
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$this->items = new WC_Cart_Items; |
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$this->coupons = new WC_Cart_Coupons; |
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$this->fees = new WC_Cart_Fees; |
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$this->totals = new WC_Cart_Totals; |
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add_action( 'wp_loaded', array( $this, 'get_cart_from_session' ) ); |
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add_action( 'wp', array( $this, 'maybe_set_cart_cookies' ), 99 ); |
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add_action( 'shutdown', array( $this, 'maybe_set_cart_cookies' ), 0 ); |
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add_action( 'woocommerce_add_to_cart', array( $this, 'maybe_set_cart_cookies' ) ); |
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add_action( 'woocommerce_cart_emptied', array( $this, 'destroy_cart_session' ) ); |
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add_action( 'woocommerce_after_calculate_totals', array( $this, 'set_session' ) ); |
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add_action( 'woocommerce_cart_loaded_from_session', array( $this, 'set_session' ) ); |
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add_action( 'woocommerce_removed_coupon', array( $this, 'set_session' ) ); |
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} |
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/** |
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* Destroy cart session data. |
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*/ |
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public function destroy_cart_session( $deprecated = true ) { |
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WC()->session->set( 'cart', null ); |
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} |
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/** |
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* Will set cart cookies if needed, once, during WP hook. |
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*/ |
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public function maybe_set_cart_cookies() { |
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if ( headers_sent() || ! did_action( 'wp_loaded' ) ) { |
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return; |
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} |
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if ( ! $this->is_empty() ) { |
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$this->set_cart_cookies( true ); |
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} elseif ( isset( $_COOKIE['woocommerce_items_in_cart'] ) ) { |
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$this->set_cart_cookies( false ); |
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} |
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} |
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/** |
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* Set cart hash cookie and items in cart. |
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* |
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* @access private |
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* @param bool $set (default: true) |
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*/ |
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private function set_cart_cookies( $set = true ) { |
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if ( $set ) { |
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wc_setcookie( 'woocommerce_items_in_cart', 1 ); |
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wc_setcookie( 'woocommerce_cart_hash', md5( json_encode( $this->get_cart_for_session() ) ) ); |
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} else { |
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wc_setcookie( 'woocommerce_items_in_cart', 0, time() - HOUR_IN_SECONDS ); |
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wc_setcookie( 'woocommerce_cart_hash', '', time() - HOUR_IN_SECONDS ); |
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} |
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do_action( 'woocommerce_set_cart_cookies', $set ); |
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} |
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/** |
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* Returns the contents of the cart in an array without the 'data' element. |
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* |
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* @return array contents of the cart |
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*/ |
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public function get_cart_for_session() { |
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return wc_list_pluck( $this->items->get_items(), 'get_data' ); |
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} |
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/** |
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* Get the cart data from the PHP session and store it in class variables. |
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*/ |
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public function get_cart_from_session() { |
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$cart = wp_parse_args( (array) WC()->session->get( 'cart', array() ), array( |
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'items' => array(), |
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'removed_items' => array(), |
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'coupons' => array(), |
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'totals' => null, |
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) ); |
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foreach ( $cart['items'] as $key => $values ) { |
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if ( ! isset( $values['product_id'], $values['quantity'] ) || ! ( $product = wc_get_product( $values['product_id'] ) ) ) { |
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unset( $cart['items'][ $key ] ); |
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continue; |
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} |
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// Put session data into array. Run through filter so other plugins can load their own session data. |
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$cart['items'][ $key ] = apply_filters( 'woocommerce_get_cart_item_from_session', $values, $values, $key ); |
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} |
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$this->items->set_items( $cart['items'] ); |
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$this->items->set_removed_items( $cart['removed_items'] ); |
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$this->coupons->set_coupons( $cart['coupons'] ); |
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$this->totals->set_totals( (array) $cart['totals'] ); |
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do_action( 'woocommerce_cart_loaded_from_session', $this ); |
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} |
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/** |
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* Sets the php session data for the cart and coupons. |
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*/ |
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public function set_session() { |
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$session_data = array( |
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'items' => $this->get_cart_for_session(), |
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'removed_items' => wc_list_pluck( $this->items->get_removed_items(), 'get_data' ), |
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'coupons' => $this->coupons->get_coupons(), |
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'totals' => $this->totals->get_totals(), |
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); |
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if ( WC()->session->set( 'cart', $session_data ) ) { |
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do_action( 'woocommerce_cart_updated' ); |
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} |
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} |
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} |
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woothemes /
woocommerce
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.