159 lines
4.7 KiB
PHP
159 lines
4.7 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Free Shipping Method.
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*
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* A simple shipping method for free shipping.
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*
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* @class WC_Shipping_Free_Shipping
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* @version 2.6.0
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* @package WooCommerce/Classes/Shipping
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* @author WooThemes
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*/
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class WC_Shipping_Free_Shipping extends WC_Shipping_Method {
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/** @var float Min amount to be valid */
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public $min_amount = 0;
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/** @var string Requires option */
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public $requires = '';
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/**
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* Constructor.
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*/
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public function __construct( $instance_id = 0 ) {
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$this->id = 'free_shipping';
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$this->instance_id = absint( $instance_id );
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$this->method_title = __( 'Free Shipping', 'woocommerce' );
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$this->method_description = __( 'Free Shipping is a special method which can be triggered with coupons and minimum spends.', 'woocommerce' );
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$this->supports = array(
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'shipping-zones',
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'instance-settings'
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);
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$this->title = $this->get_option( 'title' );
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$this->min_amount = $this->get_option( 'min_amount', 0 );
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$this->requires = $this->get_option( 'requires' );
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add_action( 'woocommerce_update_options_shipping_' . $this->id, array( $this, 'process_admin_options' ) );
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}
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/**
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* Get setting form fields for instances of this shipping method within zones.
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* @return array
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*/
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public function get_instance_form_fields() {
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return array(
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'title' => array(
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'title' => __( 'Title', 'woocommerce' ),
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'type' => 'text',
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'description' => __( 'This controls the title which the user sees during checkout.', 'woocommerce' ),
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'default' => $this->method_title,
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'desc_tip' => true,
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),
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'requires' => array(
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'title' => __( 'Free Shipping Requires...', 'woocommerce' ),
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'type' => 'select',
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'class' => 'wc-enhanced-select',
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'default' => '',
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'options' => array(
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'' => __( 'N/A', 'woocommerce' ),
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'coupon' => __( 'A valid free shipping coupon', 'woocommerce' ),
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'min_amount' => __( 'A minimum order amount', 'woocommerce' ),
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'either' => __( 'A minimum order amount OR a coupon', 'woocommerce' ),
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'both' => __( 'A minimum order amount AND a coupon', 'woocommerce' ),
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)
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),
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'min_amount' => array(
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'title' => __( 'Minimum Order Amount', 'woocommerce' ),
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'type' => 'price',
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'placeholder' => wc_format_localized_price( 0 ),
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'description' => __( 'Users will need to spend this amount to get free shipping (if enabled above).', 'woocommerce' ),
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'default' => '0',
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'desc_tip' => true
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)
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);
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wc_enqueue_js( "
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jQuery( function( $ ) {
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$('#woocommerce_free_shipping_requires').change(function(){
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if ( $(this).val() === 'coupon' || $(this).val() === '' ) {
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$('#woocommerce_free_shipping_min_amount').closest('tr').hide();
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} else {
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$('#woocommerce_free_shipping_min_amount').closest('tr').show();
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}
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}).change();
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});
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" );
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}
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/**
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* See if free shipping is available based on the package and cart.
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* @param array $package
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* @return bool
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*/
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public function is_available( $package ) {
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$is_available = false;
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$has_coupon = false;
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$has_met_min_amount = false;
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if ( in_array( $this->requires, array( 'coupon', 'either', 'both' ) ) ) {
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if ( $coupons = WC()->cart->get_coupons() ) {
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foreach ( $coupons as $code => $coupon ) {
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if ( $coupon->is_valid() && $coupon->enable_free_shipping() ) {
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$has_coupon = true;
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break;
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}
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}
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}
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}
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if ( in_array( $this->requires, array( 'min_amount', 'either', 'both' ) ) && isset( WC()->cart->cart_contents_total ) ) {
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if ( WC()->cart->prices_include_tax ) {
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$total = WC()->cart->cart_contents_total + array_sum( WC()->cart->taxes );
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} else {
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$total = WC()->cart->cart_contents_total;
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}
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if ( $total >= $this->min_amount ) {
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$has_met_min_amount = true;
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}
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}
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switch ( $this->requires ) {
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case 'min_amount' :
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$is_available = $has_met_min_amount;
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break;
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case 'coupon' :
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$is_available = $has_coupon;
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break;
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case 'both' :
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$is_available = $has_met_min_amount && $has_coupon;
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break;
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case 'either' :
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$is_available = $has_met_min_amount || $has_coupon;
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break;
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default :
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$is_available = true;
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break;
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}
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return apply_filters( 'woocommerce_shipping_' . $this->id . '_is_available', $is_available, $package );
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}
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/**
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* Called to calculate shipping rates for this method. Rates can be added using the add_rate() method.
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* @uses WC_Shipping_Method::add_rate()
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*/
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public function calculate_shipping( $package = array() ) {
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$this->add_rate( array(
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'id' => $this->id . $this->instance_id,
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'label' => $this->title,
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'cost' => 0,
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'taxes' => false
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) );
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}
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}
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