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class-wc-ajax.php
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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
* WooCommerce WC_AJAX
*
* AJAX Event Handler
*
* @class WC_AJAX
* @version 2.2.0
* @package WooCommerce/Classes
* @category Class
* @author WooThemes
*/
class WC_AJAX {
/**
* Hook in ajax handlers
*/
public static function init() {
add_action( 'init', array( __CLASS__, 'add_endpoint') );
add_action( 'template_redirect', array( __CLASS__, 'do_wc_ajax'), 0 );
self::add_ajax_events();
}
/**
* Add our endpoint for frontend ajax requests
*/
public static function add_endpoint() {
add_rewrite_tag( '%wc-ajax%', '([^/]*)' );
add_rewrite_rule( 'wc-ajax/([^/]*)/?', 'index.php?wc-ajax=$matches[1]', 'top' );
}
/**
* Get WC Ajax Endpoint
* @param string $request Optional
* @param string $ssl Optional
* @return string
*/
public static function get_endpoint( $request = '', $ssl = null ) {
if ( is_null( $ssl ) ) {
$scheme = parse_url( home_url(), PHP_URL_SCHEME );
} elseif ( $ssl ) {
$scheme = 'https';
} else {
$scheme = 'http';
}
if ( strstr( get_option( 'permalink_structure' ), '/index.php/' ) ) {
$endpoint = trailingslashit( home_url( '/index.php/wc-ajax/' . $request, $scheme ) );
} elseif ( get_option( 'permalink_structure' ) ) {
$endpoint = trailingslashit( home_url( '/wc-ajax/' . $request, $scheme ) );
} else {
$endpoint = add_query_arg( 'wc-ajax=', $request, trailingslashit( home_url( '', $scheme ) ) );
}
return esc_url_raw( $endpoint );
}
/**
* Check for WC Ajax request and fire action
*/
public static function do_wc_ajax() {
global $wp_query;
if ( ! empty( $_GET['wc-ajax'] ) ) {
$wp_query->set( 'wc-ajax', sanitize_text_field( $_GET['wc-ajax'] ) );
}
if ( $action = $wp_query->get( 'wc-ajax' ) ) {
if ( ! defined( 'DOING_AJAX' ) ) {
define( 'DOING_AJAX', true );
}
do_action( 'wc_ajax_' . sanitize_text_field( $action ) );
die();
}
}
/**
* Hook in methods - uses WordPress ajax handlers (admin-ajax)
*/
public static function add_ajax_events() {
// woocommerce_EVENT => nopriv
$ajax_events = array(
'get_refreshed_fragments' => true,
'apply_coupon' => true,
'remove_coupon' => true,
'update_shipping_method' => true,
'update_order_review' => true,
'add_to_cart' => true,
'checkout' => true,
'feature_product' => false,
'mark_order_status' => false,
'add_attribute' => false,
'add_new_attribute' => false,
'remove_variation' => false,
'remove_variations' => false,
'save_attributes' => false,
'add_variation' => false,
'link_all_variations' => false,
'revoke_access_to_download' => false,
'grant_access_to_download' => false,
'get_customer_details' => false,
'add_order_item' => false,
'add_order_fee' => false,
'add_order_shipping' => false,
'add_order_tax' => false,
'remove_order_item' => false,
'remove_order_tax' => false,
'reduce_order_item_stock' => false,
'increase_order_item_stock' => false,
'add_order_item_meta' => false,
'remove_order_item_meta' => false,
'calc_line_taxes' => false,
'save_order_items' => false,
'load_order_items' => false,
'add_order_note' => false,
'delete_order_note' => false,
'json_search_products' => false,
'json_search_products_and_variations' => false,
'json_search_downloadable_products_and_variations' => false,
'json_search_customers' => false,
'term_ordering' => false,
'product_ordering' => false,
'refund_line_items' => false,
'delete_refund' => false,
'rated' => false
);
foreach ( $ajax_events as $ajax_event => $nopriv ) {
add_action( 'wp_ajax_woocommerce_' . $ajax_event, array( __CLASS__, $ajax_event ) );
if ( $nopriv ) {
add_action( 'wp_ajax_nopriv_woocommerce_' . $ajax_event, array( __CLASS__, $ajax_event ) );
// WC AJAX can be used for frontend ajax requests
add_action( 'wc_ajax_' . $ajax_event, array( __CLASS__, $ajax_event ) );
}
}
}
/**
* Get a refreshed cart fragment
*/
public static function get_refreshed_fragments() {
// Get mini cart
ob_start();
woocommerce_mini_cart();
$mini_cart = ob_get_clean();
// Fragments and mini cart are returned
$data = array(
'fragments' => apply_filters( 'woocommerce_add_to_cart_fragments', array(
'div.widget_shopping_cart_content' => '<div class="widget_shopping_cart_content">' . $mini_cart . '</div>'
)
),
'cart_hash' => apply_filters( 'woocommerce_add_to_cart_hash', WC()->cart->get_cart_for_session() ? md5( json_encode( WC()->cart->get_cart_for_session() ) ) : '', WC()->cart->get_cart_for_session() )
);
wp_send_json( $data );
}
/**
* AJAX apply coupon on checkout page
*/
public static function apply_coupon() {
check_ajax_referer( 'apply-coupon', 'security' );
if ( ! empty( $_POST['coupon_code'] ) ) {
WC()->cart->add_discount( sanitize_text_field( $_POST['coupon_code'] ) );
} else {
wc_add_notice( WC_Coupon::get_generic_coupon_error( WC_Coupon::E_WC_COUPON_PLEASE_ENTER ), 'error' );
}
wc_print_notices();
die();
}
/**
* AJAX remove coupon on cart and checkout page
*/
public static function remove_coupon() {
check_ajax_referer( 'remove-coupon', 'security' );
$coupon = wc_clean( $_POST['coupon'] );
if ( ! isset( $coupon ) || empty( $coupon ) ) {
wc_add_notice( __( 'Sorry there was a problem removing this coupon.', 'woocommerce' ) );
} else {
WC()->cart->remove_coupon( $coupon );
wc_add_notice( __( 'Coupon has been removed.', 'woocommerce' ) );
}
wc_print_notices();
die();
}
/**
* AJAX update shipping method on cart page
*/
public static function update_shipping_method() {
check_ajax_referer( 'update-shipping-method', 'security' );
if ( ! defined('WOOCOMMERCE_CART') ) {
define( 'WOOCOMMERCE_CART', true );
}
$chosen_shipping_methods = WC()->session->get( 'chosen_shipping_methods' );
if ( isset( $_POST['shipping_method'] ) && is_array( $_POST['shipping_method'] ) ) {
foreach ( $_POST['shipping_method'] as $i => $value ) {
$chosen_shipping_methods[ $i ] = wc_clean( $value );
}
}
WC()->session->set( 'chosen_shipping_methods', $chosen_shipping_methods );
WC()->cart->calculate_totals();
woocommerce_cart_totals();
die();
}
/**
* AJAX update order review on checkout
*/
public static function update_order_review() {
ob_start();
check_ajax_referer( 'update-order-review', 'security' );
if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
define( 'WOOCOMMERCE_CHECKOUT', true );
}
if ( 0 == sizeof( WC()->cart->get_cart() ) ) {
$data = array(
'fragments' => apply_filters( 'woocommerce_update_order_review_fragments', array(
'form.woocommerce-checkout' => '<div class="woocommerce-error">' . __( 'Sorry, your session has expired.', 'woocommerce' ) . ' <a href="' . home_url() . '" class="wc-backward">' . __( 'Return to homepage', 'woocommerce' ) . '</a></div>'
) )
);
wp_send_json( $data );
die();
}
do_action( 'woocommerce_checkout_update_order_review', $_POST['post_data'] );
$chosen_shipping_methods = WC()->session->get( 'chosen_shipping_methods' );
if ( isset( $_POST['shipping_method'] ) && is_array( $_POST['shipping_method'] ) ) {
foreach ( $_POST['shipping_method'] as $i => $value ) {
$chosen_shipping_methods[ $i ] = wc_clean( $value );
}
}
WC()->session->set( 'chosen_shipping_methods', $chosen_shipping_methods );
WC()->session->set( 'chosen_payment_method', empty( $_POST['payment_method'] ) ? '' : $_POST['payment_method'] );
if ( isset( $_POST['country'] ) ) {
WC()->customer->set_country( $_POST['country'] );
}
if ( isset( $_POST['state'] ) ) {
WC()->customer->set_state( $_POST['state'] );
}
if ( isset( $_POST['postcode'] ) ) {
WC()->customer->set_postcode( $_POST['postcode'] );
}
if ( isset( $_POST['city'] ) ) {
WC()->customer->set_city( $_POST['city'] );
}
if ( isset( $_POST['address'] ) ) {
WC()->customer->set_address( $_POST['address'] );
}
if ( isset( $_POST['address_2'] ) ) {
WC()->customer->set_address_2( $_POST['address_2'] );
}
if ( wc_ship_to_billing_address_only() ) {
if ( isset( $_POST['country'] ) ) {
WC()->customer->set_shipping_country( $_POST['country'] );
}
if ( isset( $_POST['state'] ) ) {
WC()->customer->set_shipping_state( $_POST['state'] );
}
if ( isset( $_POST['postcode'] ) ) {
WC()->customer->set_shipping_postcode( $_POST['postcode'] );
}
if ( isset( $_POST['city'] ) ) {
WC()->customer->set_shipping_city( $_POST['city'] );
}
if ( isset( $_POST['address'] ) ) {
WC()->customer->set_shipping_address( $_POST['address'] );
}
if ( isset( $_POST['address_2'] ) ) {
WC()->customer->set_shipping_address_2( $_POST['address_2'] );
}
} else {
if ( isset( $_POST['s_country'] ) ) {
WC()->customer->set_shipping_country( $_POST['s_country'] );
}
if ( isset( $_POST['s_state'] ) ) {
WC()->customer->set_shipping_state( $_POST['s_state'] );
}
if ( isset( $_POST['s_postcode'] ) ) {
WC()->customer->set_shipping_postcode( $_POST['s_postcode'] );
}
if ( isset( $_POST['s_city'] ) ) {
WC()->customer->set_shipping_city( $_POST['s_city'] );
}
if ( isset( $_POST['s_address'] ) ) {
WC()->customer->set_shipping_address( $_POST['s_address'] );
}
if ( isset( $_POST['s_address_2'] ) ) {
WC()->customer->set_shipping_address_2( $_POST['s_address_2'] );
}
}
WC()->cart->calculate_totals();
// Get order review fragment
ob_start();
woocommerce_order_review();
$woocommerce_order_review = ob_get_clean();
// Get checkout payment fragment
ob_start();
woocommerce_checkout_payment();
$woocommerce_checkout_payment = ob_get_clean();
// Get messages if reload checkout is not true
$messages = '';
if ( ! isset( WC()->session->reload_checkout ) ) {
ob_start();
wc_print_notices();
$messages = ob_get_clean();
}
$data = array(
'result' => empty( $messages ) ? 'success' : 'failure',
'messages' => $messages,
'reload' => isset( WC()->session->reload_checkout ) ? 'true' : 'false',
'fragments' => apply_filters( 'woocommerce_update_order_review_fragments', array(
'.woocommerce-checkout-review-order-table' => $woocommerce_order_review,
'.woocommerce-checkout-payment' => $woocommerce_checkout_payment
) )
);
wp_send_json( $data );
die();
}
/**
* AJAX add to cart
*/
public static function add_to_cart() {
ob_start();
$product_id = apply_filters( 'woocommerce_add_to_cart_product_id', absint( $_POST['product_id'] ) );
$quantity = empty( $_POST['quantity'] ) ? 1 : wc_stock_amount( $_POST['quantity'] );
$passed_validation = apply_filters( 'woocommerce_add_to_cart_validation', true, $product_id, $quantity );
$product_status = get_post_status( $product_id );
if ( $passed_validation && WC()->cart->add_to_cart( $product_id, $quantity ) && 'publish' === $product_status ) {
do_action( 'woocommerce_ajax_added_to_cart', $product_id );
if ( get_option( 'woocommerce_cart_redirect_after_add' ) == 'yes' ) {
wc_add_to_cart_message( $product_id );
}
// Return fragments
self::get_refreshed_fragments();
} else {
// If there was an error adding to the cart, redirect to the product page to show any errors
$data = array(
'error' => true,
'product_url' => apply_filters( 'woocommerce_cart_redirect_after_error', get_permalink( $product_id ), $product_id )
);
wp_send_json( $data );
}
die();
}
/**
* Process ajax checkout form
*/
public static function checkout() {
if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
define( 'WOOCOMMERCE_CHECKOUT', true );
}
WC()->checkout()->process_checkout();
die(0);
}
/**
* Feature a product from admin
*/
public static function feature_product() {
if ( current_user_can( 'edit_products' ) && check_admin_referer( 'woocommerce-feature-product' ) ) {
$product_id = absint( $_GET['product_id'] );
if ( 'product' === get_post_type( $product_id ) ) {
update_post_meta( $product_id, '_featured', get_post_meta( $product_id, '_featured', true ) === 'yes' ? 'no' : 'yes' );
delete_transient( 'wc_featured_products' );
}
}
wp_safe_redirect( wp_get_referer() ? remove_query_arg( array( 'trashed', 'untrashed', 'deleted', 'ids' ), wp_get_referer() ) : admin_url( 'edit.php?post_type=shop_order' ) );
die();
}
/**
* Mark an order with a status
*/
public static function mark_order_status() {
if ( current_user_can( 'edit_shop_orders' ) && check_admin_referer( 'woocommerce-mark-order-status' ) ) {
$status = sanitize_text_field( $_GET['status'] );
$order_id = absint( $_GET['order_id'] );
if ( wc_is_order_status( 'wc-' . $status ) && $order_id ) {
$order = wc_get_order( $order_id );
$order->update_status( $status );
}
}
wp_safe_redirect( wp_get_referer() ? wp_get_referer() : admin_url( 'edit.php?post_type=shop_order' ) );
die();
}
/**
* Add an attribute row
*/
public static function add_attribute() {
ob_start();
check_ajax_referer( 'add-attribute', 'security' );
global $wc_product_attributes;
$thepostid = 0;
$taxonomy = sanitize_text_field( $_POST['taxonomy'] );
$i = absint( $_POST['i'] );
$position = 0;
$metabox_class = array();
$attribute = array(
'name' => $taxonomy,
'value' => '',
'is_visible' => apply_filters( 'woocommerce_attribute_default_visibility', 1 ),
'is_variation' => 0,
'is_taxonomy' => $taxonomy ? 1 : 0
);
if ( $taxonomy ) {
$attribute_taxonomy = $wc_product_attributes[ $taxonomy ];
$metabox_class[] = 'taxonomy';
$metabox_class[] = $taxonomy;
$attribute_label = wc_attribute_label( $taxonomy );
} else {
$attribute_label = '';
}
include( 'admin/meta-boxes/views/html-product-attribute.php' );
die();
}
/**
* Add a new attribute via ajax function
*/
public static function add_new_attribute() {
ob_start();
check_ajax_referer( 'add-attribute', 'security' );
$taxonomy = esc_attr( $_POST['taxonomy'] );
$term = wc_clean( $_POST['term'] );
if ( taxonomy_exists( $taxonomy ) ) {
$result = wp_insert_term( $term, $taxonomy );
if ( is_wp_error( $result ) ) {
wp_send_json( array(
'error' => $result->get_error_message()
) );
} else {
$term = get_term_by( 'id', $result['term_id'], $taxonomy );
wp_send_json( array(
'term_id' => $term->term_id,
'name' => $term->name,
'slug' => $term->slug
) );
}
}
die();
}
/**
* Delete variations via ajax function
*/
public static function remove_variations() {
check_ajax_referer( 'delete-variations', 'security' );
$variation_ids = (array) $_POST['variation_ids'];
foreach ( $variation_ids as $variation_id ) {
$variation = get_post( $variation_id );
if ( $variation && 'product_variation' == $variation->post_type ) {
wp_delete_post( $variation_id );
}
}
die();
}
/**
* Save attributes via ajax
*/
public static function save_attributes() {
check_ajax_referer( 'save-attributes', 'security' );
// Get post data
parse_str( $_POST['data'], $data );
$post_id = absint( $_POST['post_id'] );
// Save Attributes
$attributes = array();
if ( isset( $data['attribute_names'] ) ) {
$attribute_names = array_map( 'stripslashes', $data['attribute_names'] );
$attribute_values = isset( $data['attribute_values'] ) ? $data['attribute_values'] : array();
if ( isset( $data['attribute_visibility'] ) ) {
$attribute_visibility = $data['attribute_visibility'];
}
if ( isset( $data['attribute_variation'] ) ) {
$attribute_variation = $data['attribute_variation'];
}
$attribute_is_taxonomy = $data['attribute_is_taxonomy'];
$attribute_position = $data['attribute_position'];
$attribute_names_count = sizeof( $attribute_names );
for ( $i = 0; $i < $attribute_names_count; $i++ ) {
if ( ! $attribute_names[ $i ] ) {
continue;
}
$is_visible = isset( $attribute_visibility[ $i ] ) ? 1 : 0;
$is_variation = isset( $attribute_variation[ $i ] ) ? 1 : 0;
$is_taxonomy = $attribute_is_taxonomy[ $i ] ? 1 : 0;
if ( $is_taxonomy ) {
if ( isset( $attribute_values[ $i ] ) ) {
// Select based attributes - Format values (posted values are slugs)
if ( is_array( $attribute_values[ $i ] ) ) {
$values = array_map( 'sanitize_title', $attribute_values[ $i ] );
// Text based attributes - Posted values are term names, wp_set_object_terms wants ids or slugs.
} else {
$values = array();
$raw_values = array_map( 'stripslashes', array_map( 'strip_tags', explode( WC_DELIMITER, $attribute_values[ $i ] ) ) );
foreach ( $raw_values as $value ) {
$term = get_term_by( 'name', $value, $attribute_names[ $i ] );
if ( ! $term ) {
$term = wp_insert_term( $value, $attribute_names[ $i ] );
if ( $term && ! is_wp_error( $term ) ) {
$values[] = $term['term_id'];
}
} else {
$values[] = $term->term_id;
}
}
}
// Remove empty items in the array
$values = array_filter( $values, 'strlen' );
} else {
$values = array();
}
// Update post terms
if ( taxonomy_exists( $attribute_names[ $i ] ) ) {
wp_set_object_terms( $post_id, $values, $attribute_names[ $i ] );
}
if ( $values ) {
// Add attribute to array, but don't set values
$attributes[ sanitize_title( $attribute_names[ $i ] ) ] = array(
'name' => wc_clean( $attribute_names[ $i ] ),
'value' => '',
'position' => $attribute_position[ $i ],
'is_visible' => $is_visible,
'is_variation' => $is_variation,
'is_taxonomy' => $is_taxonomy
);
}
} elseif ( isset( $attribute_values[ $i ] ) ) {
// Text based, separate by pipe
$values = implode( ' ' . WC_DELIMITER . ' ', array_map( 'trim', array_map( 'wp_kses_post', array_map( 'stripslashes', explode( WC_DELIMITER, $attribute_values[ $i ] ) ) ) ) );
// Custom attribute - Add attribute to array and set the values
$attributes[ sanitize_title( $attribute_names[ $i ] ) ] = array(
'name' => wc_clean( $attribute_names[ $i ] ),
'value' => $values,
'position' => $attribute_position[ $i ],
'is_visible' => $is_visible,
'is_variation' => $is_variation,
'is_taxonomy' => $is_taxonomy
);
}
}
}
if ( ! function_exists( 'attributes_cmp' ) ) {
function attributes_cmp( $a, $b ) {
if ( $a['position'] == $b['position'] ) {
return 0;
}
return ( $a['position'] < $b['position'] ) ? -1 : 1;
}
}
uasort( $attributes, 'attributes_cmp' );
update_post_meta( $post_id, '_product_attributes', $attributes );
die();
}
/**
* Add variation via ajax function
*/
public static function add_variation() {
check_ajax_referer( 'add-variation', 'security' );
$post_id = intval( $_POST['post_id'] );
$loop = intval( $_POST['loop'] );
$variation = array(
'post_title' => 'Product #' . $post_id . ' Variation',
'post_content' => '',
'post_status' => 'publish',
'post_author' => get_current_user_id(),
'post_parent' => $post_id,
'post_type' => 'product_variation'
);
$variation_id = wp_insert_post( $variation );
do_action( 'woocommerce_create_product_variation', $variation_id );
if ( $variation_id ) {
$variation_post_status = 'publish';
$variation_data = get_post_meta( $variation_id );
$variation_data['variation_post_id'] = $variation_id;
// Get attributes
$attributes = (array) maybe_unserialize( get_post_meta( $post_id, '_product_attributes', true ) );
// Get tax classes
$tax_classes = WC_Tax::get_tax_classes();
$tax_class_options = array();
$tax_class_options['parent'] =__( 'Same as parent', 'woocommerce' );
$tax_class_options[''] = __( 'Standard', 'woocommerce' );
if ( $tax_classes ) {
foreach ( $tax_classes as $class ) {
$tax_class_options[ sanitize_title( $class ) ] = $class;
}
}
$backorder_options = array(
'no' => __( 'Do not allow', 'woocommerce' ),
'notify' => __( 'Allow, but notify customer', 'woocommerce' ),
'yes' => __( 'Allow', 'woocommerce' )
);
$stock_status_options = array(
'instock' => __( 'In stock', 'woocommerce' ),
'outofstock' => __( 'Out of stock', 'woocommerce' )
);
// Get parent data
$parent_data = array(
'id' => $post_id,
'attributes' => $attributes,
'tax_class_options' => $tax_class_options,
'sku' => get_post_meta( $post_id, '_sku', true ),
'weight' => get_post_meta( $post_id, '_weight', true ),
'length' => get_post_meta( $post_id, '_length', true ),
'width' => get_post_meta( $post_id, '_width', true ),
'height' => get_post_meta( $post_id, '_height', true ),
'tax_class' => get_post_meta( $post_id, '_tax_class', true ),
'backorder_options' => $backorder_options,
'stock_status_options' => $stock_status_options
);
if ( ! $parent_data['weight'] ) {
$parent_data['weight'] = '0.00';
}
if ( ! $parent_data['length'] ) {
$parent_data['length'] = '0';
}
if ( ! $parent_data['width'] ) {
$parent_data['width'] = '0';
}
if ( ! $parent_data['height'] ) {
$parent_data['height'] = '0';
}
$_tax_class = '';
$_downloadable_files = '';
$_stock_status = '';
$_backorders = '';
$image_id = 0;
$_thumbnail_id = '';
$variation = get_post( $variation_id ); // Get the variation object
include( 'admin/meta-boxes/views/html-variation-admin.php' );
}
die();
}
/**
* Link all variations via ajax function
*/
public static function link_all_variations() {
if ( ! defined( 'WC_MAX_LINKED_VARIATIONS' ) ) {
define( 'WC_MAX_LINKED_VARIATIONS', 49 );
}
check_ajax_referer( 'link-variations', 'security' );
@set_time_limit(0);
$post_id = intval( $_POST['post_id'] );
if ( ! $post_id ) {
die();
}
$variations = array();
$_product = wc_get_product( $post_id, array( 'product_type' => 'variable' ) );
// Put variation attributes into an array
foreach ( $_product->get_attributes() as $attribute ) {
if ( ! $attribute['is_variation'] ) {
continue;
}
$attribute_field_name = 'attribute_' . sanitize_title( $attribute['name'] );
if ( $attribute['is_taxonomy'] ) {
$options = wc_get_product_terms( $post_id, $attribute['name'], array( 'fields' => 'slugs' ) );
} else {
$options = explode( WC_DELIMITER, $attribute['value'] );
}
$options = array_map( 'sanitize_title', array_map( 'trim', $options ) );
$variations[ $attribute_field_name ] = $options;
}
// Quit out if none were found
if ( sizeof( $variations ) == 0 ) {
die();
}
// Get existing variations so we don't create duplicates
$available_variations = array();
foreach( $_product->get_children() as $child_id ) {
$child = $_product->get_child( $child_id );
if ( ! empty( $child->variation_id ) ) {
$available_variations[] = $child->get_variation_attributes();
}
}
// Created posts will all have the following data
$variation_post_data = array(
'post_title' => 'Product #' . $post_id . ' Variation',
'post_content' => '',
'post_status' => 'publish',
'post_author' => get_current_user_id(),
'post_parent' => $post_id,
'post_type' => 'product_variation'
);
// Now find all combinations and create posts
if ( ! function_exists( 'array_cartesian' ) ) {
/**
* @param array $input
* @return array
*/
function array_cartesian( $input ) {
$result = array();
while ( list( $key, $values ) = each( $input ) ) {
// If a sub-array is empty, it doesn't affect the cartesian product
if ( empty( $values ) ) {
continue;
}
// Special case: seeding the product array with the values from the first sub-array
if ( empty( $result ) ) {
foreach ( $values as $value ) {
$result[] = array( $key => $value );
}
}
else {
// Second and subsequent input sub-arrays work like this:
// 1. In each existing array inside $product, add an item with
// key == $key and value == first item in input sub-array
// 2. Then, for each remaining item in current input sub-array,
// add a copy of each existing array inside $product with
// key == $key and value == first item in current input sub-array
// Store all items to be added to $product here; adding them on the spot
// inside the foreach will result in an infinite loop
$append = array();
foreach ( $result as &$product ) {
// Do step 1 above. array_shift is not the most efficient, but it
// allows us to iterate over the rest of the items with a simple
// foreach, making the code short and familiar.
$product[ $key ] = array_shift( $values );
// $product is by reference (that's why the key we added above
// will appear in the end result), so make a copy of it here
$copy = $product;
// Do step 2 above.
foreach ( $values as $item ) {
$copy[ $key ] = $item;
$append[] = $copy;
}
// Undo the side effecst of array_shift
array_unshift( $values, $product[ $key ] );
}
// Out of the foreach, we can add to $results now
$result = array_merge( $result, $append );
}
}
return $result;
}
}
$variation_ids = array();
$added = 0;
$possible_variations = array_cartesian( $variations );
foreach ( $possible_variations as $variation ) {
// Check if variation already exists
if ( in_array( $variation, $available_variations ) ) {
continue;
}
$variation_id = wp_insert_post( $variation_post_data );
$variation_ids[] = $variation_id;
foreach ( $variation as $key => $value ) {
update_post_meta( $variation_id, $key, $value );
}
$added++;
do_action( 'product_variation_linked', $variation_id );
if ( $added > WC_MAX_LINKED_VARIATIONS ) {
break;
}
}
delete_transient( 'wc_product_children_ids_' . $post_id );
echo $added;
die();
}
/**
* Delete download permissions via ajax function
*/
public static function revoke_access_to_download() {
check_ajax_referer( 'revoke-access', 'security' );
global $wpdb;
$download_id = $_POST['download_id'];
$product_id = intval( $_POST['product_id'] );
$order_id = intval( $_POST['order_id'] );
$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_downloadable_product_permissions WHERE order_id = %d AND product_id = %d AND download_id = %s;", $order_id, $product_id, $download_id ) );
do_action( 'woocommerce_ajax_revoke_access_to_product_download', $download_id, $product_id, $order_id );
die();
}
/**
* Grant download permissions via ajax function
*/
public static function grant_access_to_download() {
check_ajax_referer( 'grant-access', 'security' );
global $wpdb;
$wpdb->hide_errors();
$order_id = intval( $_POST['order_id'] );
$product_ids = $_POST['product_ids'];
$loop = intval( $_POST['loop'] );
$file_counter = 0;
$order = wc_get_order( $order_id );
if ( ! is_array( $product_ids ) ) {
$product_ids = array( $product_ids );
}
foreach ( $product_ids as $product_id ) {
$product = wc_get_product( $product_id );
$files = $product->get_files();
if ( ! $order->billing_email ) {
die();
}