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WooCommerce: Customers can change the quantity & delete it on checkout page.
<?php
/**
* WooCommerce: Customers can change the quantity & delete it on checkout page.
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
// Define plugin version
define( 'ZWQCOC_PLUGIN_VERSION', '1.0.0' );
/**
* Class Zeta_Woo_Change_Quantity_On_Checkout
*
* @package ZWQCOC
* @version 1.0.0
*/
if ( ! class_exists( 'Zeta_Woo_Change_Quantity_On_Checkout' ) ) {
class Zeta_Woo_Change_Quantity_On_Checkout {
/**
* Member Variable
*
* @var object instance
*/
private static $instance;
/**
* Returns the *Singleton* instance of this class.
*
* @since 1.0.0
* @return Singleton The *Singleton* instance.
*/
public static function get_instance() {
if ( null === self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Constructor.
*
* @access public
* @since 1.0.0
*/
public function __construct() {
add_filter ('woocommerce_cart_item_name', array( &$this, 'add_items_to_checkout_page'), 10, 3 );
add_filter ('woocommerce_checkout_cart_item_quantity', array( &$this, 'add_quantity'), 10, 2 );
add_action( 'wp_footer', array( &$this, 'add_scripts' ) );
add_action( 'init', array( &$this, 'fire_ajax_to_update_order_reviw' ) );
}
/**
* Add custom input field
*
* @access public
* @return input filed
* @since 1.0.0
*/
public static function add_items_to_checkout_page( $product_title, $cart_item, $cart_item_key ) {
if ( is_checkout() ) {
$cart = WC()->cart->get_cart();
foreach ( $cart as $cart_key => $cart_value ){
if ( $cart_key == $cart_item_key ){
$product_id = $cart_item['product_id'];
$_product = $cart_item['data'] ;
$return_value = sprintf(
'<a href="%s" class="remove" title="%s" data-product_id="%s" data-product_sku="%s">&times;</a>',
esc_url( wc_get_cart_remove_url( $cart_key ) ),
__( 'Remove this item', 'woocommerce' ),
esc_attr( $product_id ),
esc_attr( $_product->get_sku() )
);
$return_value_test = '';
$return_value .= '&nbsp; <span class = "zwqcoc_product_name" >' . $product_title . '</span>' ;
if ( $_product->is_sold_individually() ) {
$return_value .= sprintf( '1 <input type="hidden" name="cart[%s][qty]" value="1" />', $cart_key );
} else {
$return_value .= woocommerce_quantity_input( array(
'input_name' => "cart[{$cart_key}][qty]",
'input_value' => $cart_item['quantity'],
'max_value' => $_product->backorders_allowed() ? '' : $_product->get_stock_quantity(),
'min_value' => '1'
), $_product, false );
}
return $return_value;
}
}
}
}
/**
* Customize the checkout quanity
*
* @access public
* @params $cart_item, $cart_item_key
* @since 1.0.0
*/
public static function add_quantity( $cart_item, $cart_item_key ) {
$product_quantity= '';
return $product_quantity;
}
/**
* Add custom scripts
*
* @access public
* @return null
* @since 1.0.0
*/
public function add_scripts(){
if ( is_checkout() ) {
?>
<script type="text/javascript">
<?php $admin_url = get_admin_url(); ?>
jQuery("form.checkout").on("change", "input.qty", function(){
var data = {
action: 'zwqcoc_update_order_review',
security: wc_checkout_params.update_order_review_nonce,
post_data: jQuery( 'form.checkout' ).serialize()
};
jQuery.post( '<?php echo $admin_url; ?>' + 'admin-ajax.php', data, function( response )
{
jQuery( 'body' ).trigger( 'update_checkout' );
});
});
</script>
<?php
}
}
/**
* Fire ajax for custom input field
*
* @access public
* @return null
* @since 1.0.0
*/
function fire_ajax_to_update_order_reviw() {
if ( !is_user_logged_in() ){
add_action( 'wp_ajax_nopriv_zwqcoc_update_order_review', array( &$this, 'zwqcoc_update_order_review' ) );
} else{
add_action( 'wp_ajax_zwqcoc_update_order_review', array( &$this, 'zwqcoc_update_order_review' ) );
}
}
/**
* Update product order review
*
* @access public
* @return null
* @since 1.0.0
*/
public function zwqcoc_update_order_review() {
$values = array();
parse_str($_POST['post_data'], $values);
$cart = $values['cart'];
foreach ( $cart as $cart_key => $cart_value ){
WC()->cart->set_quantity( $cart_key, $cart_value['qty'], false );
WC()->cart->calculate_totals();
woocommerce_cart_totals();
}
exit;
}
}
/**
* Calling class using 'get_instance()' method
*/
Zeta_Woo_Change_Quantity_On_Checkout::get_instance();
}
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