class-wc-shipping-legacy-free-shipping.php
<?php
/**
* Class WC_Shipping_Legacy_Free_Shipping file.
*
* @package WooCommerce\Shipping
*/
use Automattic\WooCommerce\Utilities\NumberUtil;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Free Shipping Method.
*
* This class is here for backwards compatibility for methods existing before zones existed.
*
* @deprecated 2.6.0
* @version 2.4.0
* @package WooCommerce\Classes\Shipping
*/
class WC_Shipping_Legacy_Free_Shipping extends WC_Shipping_Method {
/**
* Min amount to be valid.
*
* @var float
*/
public $min_amount;
/**
* Requires option.
*
* @var string
*/
public $requires;
/**
* Constructor.
*/
public function __construct() {
$this->id = 'legacy_free_shipping';
$this->method_title = __( 'Free shipping (legacy)', 'woocommerce' );
/* translators: %s: Admin shipping settings URL */
$this->method_description = '<strong>' . sprintf( __( 'This method is deprecated in 2.6.0 and will be removed in future versions - we recommend disabling it and instead setting up a new rate within your <a href="%s">Shipping zones</a>.', 'woocommerce' ), admin_url( 'admin.php?page=wc-settings&tab=shipping' ) ) . '</strong>';
$this->init();
}
/**
* Process and redirect if disabled.
*/
public function process_admin_options() {
parent::process_admin_options();
if ( 'no' === $this->settings['enabled'] ) {
wp_redirect( admin_url( 'admin.php?page=wc-settings&tab=shipping§ion=options' ) );
exit;
}
}
/**
* Return the name of the option in the WP DB.
*
* @since 2.6.0
* @return string
*/
public function get_option_key() {
return $this->plugin_id . 'free_shipping_settings';
}
/**
* Init function.
*/
public function init() {
// Load the settings.
$this->init_form_fields();
$this->init_settings();
// Define user set variables.
$this->enabled = $this->get_option( 'enabled' );
$this->title = $this->get_option( 'title' );
$this->min_amount = $this->get_option( 'min_amount', 0 );
$this->availability = $this->get_option( 'availability' );
$this->countries = $this->get_option( 'countries' );
$this->requires = $this->get_option( 'requires' );
// Actions.
add_action( 'woocommerce_update_options_shipping_' . $this->id, array( $this, 'process_admin_options' ) );
}
/**
* Initialise Gateway Settings Form Fields.
*/
public function init_form_fields() {
$this->form_fields = array(
'enabled' => array(
'title' => __( 'Enable/Disable', 'woocommerce' ),
'type' => 'checkbox',
'label' => __( 'Once disabled, this legacy method will no longer be available.', 'woocommerce' ),
'default' => 'no',
),
'title' => array(
'title' => __( 'Method title', 'woocommerce' ),
'type' => 'text',
'description' => __( 'This controls the title which the user sees during checkout.', 'woocommerce' ),
'default' => __( 'Free Shipping', 'woocommerce' ),
'desc_tip' => true,
),
'availability' => array(
'title' => __( 'Method availability', 'woocommerce' ),
'type' => 'select',
'default' => 'all',
'class' => 'availability wc-enhanced-select',
'options' => array(
'all' => __( 'All allowed countries', 'woocommerce' ),
'specific' => __( 'Specific Countries', 'woocommerce' ),
),
),
'countries' => array(
'title' => __( 'Specific countries', 'woocommerce' ),
'type' => 'multiselect',
'class' => 'wc-enhanced-select',
'css' => 'width: 400px;',
'default' => '',
'options' => WC()->countries->get_shipping_countries(),
'custom_attributes' => array(
'data-placeholder' => __( 'Select some countries', 'woocommerce' ),
),
),
'requires' => array(
'title' => __( 'Free shipping requires...', 'woocommerce' ),
'type' => 'select',
'class' => 'wc-enhanced-select',
'default' => '',
'options' => array(
'' => __( 'N/A', 'woocommerce' ),
'coupon' => __( 'A valid free shipping coupon', 'woocommerce' ),
'min_amount' => __( 'A minimum order amount', 'woocommerce' ),
'either' => __( 'A minimum order amount OR a coupon', 'woocommerce' ),
'both' => __( 'A minimum order amount AND a coupon', 'woocommerce' ),
),
),
'min_amount' => array(
'title' => __( 'Minimum order amount', 'woocommerce' ),
'type' => 'price',
'placeholder' => wc_format_localized_price( 0 ),
'description' => __( 'Users will need to spend this amount to get free shipping (if enabled above).', 'woocommerce' ),
'default' => '0',
'desc_tip' => true,
),
);
}
/**
* Check if package is available.
*
* @param array $package Package information.
* @return bool
*/
public function is_available( $package ) {
if ( 'no' === $this->enabled ) {
return false;
}
if ( 'specific' === $this->availability ) {
$ship_to_countries = $this->countries;
} else {
$ship_to_countries = array_keys( WC()->countries->get_shipping_countries() );
}
if ( is_array( $ship_to_countries ) && ! in_array( $package['destination']['country'], $ship_to_countries, true ) ) {
return false;
}
// Enabled logic.
$is_available = false;
$has_coupon = false;
$has_met_min_amount = false;
if ( in_array( $this->requires, array( 'coupon', 'either', 'both' ), true ) ) {
$coupons = WC()->cart->get_coupons();
if ( $coupons ) {
foreach ( $coupons as $code => $coupon ) {
if ( $coupon->is_valid() && $coupon->get_free_shipping() ) {
$has_coupon = true;
}
}
}
}
if ( in_array( $this->requires, array( 'min_amount', 'either', 'both' ), true ) ) {
$total = WC()->cart->get_displayed_subtotal();
if ( WC()->cart->display_prices_including_tax() ) {
$total = NumberUtil::round( $total - ( WC()->cart->get_discount_total() + WC()->cart->get_discount_tax() ), wc_get_price_decimals() );
} else {
$total = NumberUtil::round( $total - WC()->cart->get_discount_total(), wc_get_price_decimals() );
}
if ( $total >= $this->min_amount ) {
$has_met_min_amount = true;
}
}
switch ( $this->requires ) {
case 'min_amount':
if ( $has_met_min_amount ) {
$is_available = true;
}
break;
case 'coupon':
if ( $has_coupon ) {
$is_available = true;
}
break;
case 'both':
if ( $has_met_min_amount && $has_coupon ) {
$is_available = true;
}
break;
case 'either':
if ( $has_met_min_amount || $has_coupon ) {
$is_available = true;
}
break;
default:
$is_available = true;
break;
}
return apply_filters( 'woocommerce_shipping_' . $this->id . '_is_available', $is_available, $package, $this );
}
/**
* Calculate shipping.
*
* @param array $package Package information.
*/
public function calculate_shipping( $package = array() ) {
$args = array(
'id' => $this->id,
'label' => $this->title,
'cost' => 0,
'taxes' => false,
'package' => $package,
);
$this->add_rate( $args );
}
}
