id = 'free_shipping'; $this->instance_id = absint( $instance_id ); $this->method_title = __( 'Free shipping', 'woocommerce' ); $this->method_description = __( 'Free shipping is a special method which can be triggered with coupons and minimum spends.', 'woocommerce' ); $this->supports = array( 'shipping-zones', 'instance-settings', 'instance-settings-modal', ); $this->init(); } /** * Initialize free shipping. */ public function init() { // Load the settings. $this->init_form_fields(); $this->init_settings(); // Define user set variables. $this->title = $this->get_option( 'title' ); $this->min_amount = $this->get_option( 'min_amount', 0 ); $this->requires = $this->get_option( 'requires' ); $this->ignore_discounts = $this->get_option( 'ignore_discounts' ); // Actions. add_action( 'woocommerce_update_options_shipping_' . $this->id, array( $this, 'process_admin_options' ) ); add_action( 'admin_footer', array( 'WC_Shipping_Free_Shipping', 'enqueue_admin_js' ), 10 ); // Priority needs to be higher than wc_print_js (25). } /** * Init form fields. */ public function init_form_fields() { $this->instance_form_fields = array( 'title' => array( 'title' => __( 'Title', 'woocommerce' ), 'type' => 'text', 'description' => __( 'This controls the title which the user sees during checkout.', 'woocommerce' ), 'default' => $this->method_title, 'desc_tip' => true, ), '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, ), 'ignore_discounts' => array( 'title' => __( 'Coupons discounts', 'woocommerce' ), 'label' => __( 'Apply minimum order rule before coupon discount', 'woocommerce' ), 'type' => 'checkbox', 'description' => __( 'If checked, free shipping would be available based on pre-discount order amount.', 'woocommerce' ), 'default' => 'no', 'desc_tip' => true, ), ); } /** * Get setting form fields for instances of this shipping method within zones. * * @return array */ public function get_instance_form_fields() { return parent::get_instance_form_fields(); } /** * See if free shipping is available based on the package and cart. * * @param array $package Shipping package. * @return bool */ public function is_available( $package ) { $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; break; } } } } 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 = $total - WC()->cart->get_discount_tax(); } if ( 'no' === $this->ignore_discounts ) { $total = $total - WC()->cart->get_discount_total(); } $total = NumberUtil::round( $total, wc_get_price_decimals() ); if ( $total >= $this->min_amount ) { $has_met_min_amount = true; } } switch ( $this->requires ) { case 'min_amount': $is_available = $has_met_min_amount; break; case 'coupon': $is_available = $has_coupon; break; case 'both': $is_available = $has_met_min_amount && $has_coupon; break; case 'either': $is_available = $has_met_min_amount || $has_coupon; break; default: $is_available = true; break; } return apply_filters( 'woocommerce_shipping_' . $this->id . '_is_available', $is_available, $package, $this ); } /** * Called to calculate shipping rates for this method. Rates can be added using the add_rate() method. * * @uses WC_Shipping_Method::add_rate() * * @param array $package Shipping package. */ public function calculate_shipping( $package = array() ) { $this->add_rate( array( 'label' => $this->title, 'cost' => 0, 'taxes' => false, 'package' => $package, ) ); } /** * Enqueue JS to handle free shipping options. * * Static so that's enqueued only once. */ public static function enqueue_admin_js() { wc_enqueue_js( "jQuery( function( $ ) { function wcFreeShippingShowHideMinAmountField( el ) { var form = $( el ).closest( 'form' ); var minAmountField = $( '#woocommerce_free_shipping_min_amount', form ).closest( 'tr' ); var ignoreDiscountField = $( '#woocommerce_free_shipping_ignore_discounts', form ).closest( 'tr' ); if ( 'coupon' === $( el ).val() || '' === $( el ).val() ) { minAmountField.hide(); ignoreDiscountField.hide(); } else { minAmountField.show(); ignoreDiscountField.show(); } } $( document.body ).on( 'change', '#woocommerce_free_shipping_requires', function() { wcFreeShippingShowHideMinAmountField( this ); }); // Change while load. $( '#woocommerce_free_shipping_requires' ).change(); $( document.body ).on( 'wc_backbone_modal_loaded', function( evt, target ) { if ( 'wc-modal-shipping-method-settings' === target ) { wcFreeShippingShowHideMinAmountField( $( '#wc-backbone-modal-dialog #woocommerce_free_shipping_requires', evt.currentTarget ) ); } } ); });" ); } }