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woocommerce
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wc_get_cart_item_data_hash function

This commit is contained in:
Mike Jolley 2018-03-05 19:57:57 +00:00
parent 7d04431571
commit 46862deb17
3 changed files with 21 additions and 4 deletions
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9
includes/class-wc-cart-session.php
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@ -61,6 +61,7 @@ final class WC_Cart_Session {
* @since 3.2.0
*/
public function get_cart_from_session() {
// Flag to indicate the stored cart should be updated.
$update_cart_session = false;
$totals = WC()->session->get( 'cart_totals', null );
$cart = WC()->session->get( 'cart', null );
@ -99,15 +100,15 @@ final class WC_Cart_Session {
if ( ! empty( $product ) && $product->exists() && $values['quantity'] > 0 ) {
if ( ! $product->is_purchasable() ) {
$update_cart_session = true; // Flag to indicate the stored cart should be updated.
$update_cart_session = true;
/* translators: %s: product name */
wc_add_notice( sprintf( __( '%s has been removed from your cart because it can no longer be purchased. Please contact us if you need assistance.', 'woocommerce' ), $product->get_name() ), 'error' );
do_action( 'woocommerce_remove_cart_item_from_session', $key, $values );
} elseif ( isset( $values['date_modified'] ) && $values['date_modified'] instanceof WC_DateTime && $values['date_modified']->getTimestamp() !== $product->get_date_modified()->getTimestamp() ) {
$update_cart_session = true; // Flag to indicate the stored cart should be updated.
} elseif ( ! empty( $values['data_hash'] ) && ! hash_equals( $values['data_hash'], wc_get_cart_item_data_hash( $product ) ) ) {
$update_cart_session = true;
/* translators: %1$s: product name. %2$s product permalink */
wc_add_notice( sprintf( __( 'Product %1$s has been removed from your cart because its contents have changed. Please add it to your cart again by <a href="%2$s">clicking here</a>.', 'woocommerce' ), $product->get_name(), $product->get_permalink() ), 'error' );
wc_add_notice( sprintf( __( '%1$s has been removed from your cart because it has since been modified. You can add it back to your cart <a href="%2$s">here</a>.', 'woocommerce' ), $product->get_name(), $product->get_permalink() ), 'notice' );
do_action( 'woocommerce_remove_cart_item_from_session', $key, $values );
} else {

1
includes/class-wc-cart.php
View File

@ -1112,6 +1112,7 @@ class WC_Cart extends WC_Legacy_Cart {
'variation' => $variation,
'quantity' => $quantity,
'data' => $product_data,
'data_hash' => wc_get_cart_item_data_hash( $product_data ),
) ), $cart_item_key );
}

15
includes/wc-cart-functions.php
View File

@ -481,3 +481,18 @@ function wc_shipping_methods_have_changed( $key, $package ) {
WC()->session->set( 'previous_shipping_methods', $previous_shipping_methods );
return $new_rates !== $prev_rates;
}
/**
* Gets a hash of important product data that when changed should cause cart items to be invalidated.
*
* The woocommerce_cart_item_data_to_validate filter can be used to add custom properties.
*
* @param WC_Product $product Product object.
* @return string
*/
function wc_get_cart_item_data_hash( $product ) {
return md5( wp_json_encode( apply_filters( 'woocommerce_cart_item_data_to_validate', array(
'price' => $product->get_type(),
'attributes' => 'variation' === $product->get_type() ? $product->get_variation_attributes() : '',
) ) ) );
}