327 lines
8.6 KiB
PHP
327 lines
8.6 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly
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}
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/**
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* WooCommerce Payment Gateway class
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*
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* Extended by individual payment gateways to handle payments.
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*
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* @class WC_Payment_Gateway
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* @extends WC_Settings_API
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* @version 2.1.0
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* @package WooCommerce/Abstracts
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* @category Abstract Class
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* @author WooThemes
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*/
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abstract class WC_Payment_Gateway extends WC_Settings_API {
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/**
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* Set if the place order button should be renamed on selection
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* @var string
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*/
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public $order_button_text;
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/**
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* Payment method title
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* @var string
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*/
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public $title;
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/**
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* Chosen payment method id
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* @var bool
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*/
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public $chosen;
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/**
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* True if the gateway shows fields on the checkout
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* @var bool
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*/
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public $has_fields;
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/**
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* Countries this gateway is allowed for
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* @var array
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*/
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public $countries;
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/**
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* Available for all counties or specific
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* @var string
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*/
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public $availability;
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/**
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* Icon for the gateway
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* @var string
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*/
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public $icon;
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/**
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* Description for the gateway
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* @var string
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*/
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public $description;
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/**
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* Supported features such as 'default_credit_card_form', 'refunds'
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* @var array
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*/
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public $supports = array( 'products' );
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/**
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* Maximum transaction amount, zero does not define a maximum
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* @var int
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*/
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public $max_amount = 0;
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/**
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* Optional URL to view a transaction
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* @var string
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*/
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public $view_transaction_url = '';
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/**
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* Get the return url (thank you page)
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*
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* @param WC_Order $order
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* @return string
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*/
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public function get_return_url( $order = null ) {
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if ( $order ) {
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$return_url = $order->get_checkout_order_received_url();
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} else {
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$return_url = wc_get_endpoint_url( 'order-received', '', wc_get_page_permalink( 'checkout' ) );
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}
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if ( is_ssl() || get_option('woocommerce_force_ssl_checkout') == 'yes' ) {
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$return_url = str_replace( 'http:', 'https:', $return_url );
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}
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return apply_filters( 'woocommerce_get_return_url', $return_url, $order );
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}
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/**
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* Get a link to the transaction on the 3rd party gateway size (if applicable)
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*
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* @param WC_Order $order the order object
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* @return string transaction URL, or empty string
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*/
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public function get_transaction_url( $order ) {
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$return_url = '';
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$transaction_id = $order->get_transaction_id();
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if ( ! empty( $this->view_transaction_url ) && ! empty( $transaction_id ) ) {
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$return_url = sprintf( $this->view_transaction_url, $transaction_id );
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}
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return apply_filters( 'woocommerce_get_transaction_url', $return_url, $order, $this );
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}
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/**
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* Get the order total in checkout and pay_for_order.
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*
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* @return bool
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*/
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protected function get_order_total() {
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$total = 0;
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$order_id = absint( get_query_var( 'order-pay' ) );
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// Gets order total from "pay for order" page.
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if ( 0 < $order_id ) {
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$order = wc_get_order( $order_id );
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$total = (float) $order->get_total();
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// Gets order total from cart/checkout.
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} elseif ( 0 < WC()->cart->total ) {
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$total = (float) WC()->cart->total;
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}
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return $total;
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}
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/**
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* Check if the gateway is available for use
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*
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* @return bool
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*/
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public function is_available() {
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$is_available = ( 'yes' === $this->enabled ) ? true : false;
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if ( WC()->cart && 0 < $this->get_order_total() && 0 < $this->max_amount && $this->max_amount < $this->get_order_total() ) {
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$is_available = false;
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}
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return $is_available;
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}
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/**
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* has_fields function.
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*
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* @return bool
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*/
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public function has_fields() {
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return $this->has_fields ? true : false;
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}
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/**
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* Return the gateway's title
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*
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* @return string
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*/
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public function get_title() {
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return apply_filters( 'woocommerce_gateway_title', $this->title, $this->id );
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}
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/**
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* Return the gateway's description
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*
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* @return string
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*/
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public function get_description() {
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return apply_filters( 'woocommerce_gateway_description', $this->description, $this->id );
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}
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/**
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* get_icon function.
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*
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* @return string
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*/
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public function get_icon() {
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$icon = $this->icon ? '<img src="' . WC_HTTPS::force_https_url( $this->icon ) . '" alt="' . esc_attr( $this->get_title() ) . '" />' : '';
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return apply_filters( 'woocommerce_gateway_icon', $icon, $this->id );
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}
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/**
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* Set as current gateway.
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*
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* Set this as the current gateway.
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*/
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public function set_current() {
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$this->chosen = true;
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}
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/**
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* Process Payment
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*
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* Process the payment. Override this in your gateway. When implemented, this should
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* return the success and redirect in an array. e.g.
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*
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* return array(
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* 'result' => 'success',
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* 'redirect' => $this->get_return_url( $order )
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* );
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*
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* @param int $order_id
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* @return array
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*/
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public function process_payment( $order_id ) {
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return array();
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}
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/**
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* Process refund
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*
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* If the gateway declares 'refunds' support, this will allow it to refund
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* a passed in amount.
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*
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* @param int $order_id
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* @param float $amount
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* @param string $reason
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* @return bool|WP_Error True or false based on success, or a WP_Error object
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*/
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public function process_refund( $order_id, $amount = null, $reason = '' ) {
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return false;
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}
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/**
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* Validate frontend fields
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*
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* Validate payment fields on the frontend.
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*/
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public function validate_fields() { return true; }
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/**
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* If There are no payment fields show the description if set.
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* Override this in your gateway if you have some.
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*/
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public function payment_fields() {
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if ( $description = $this->get_description() ) {
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echo wpautop( wptexturize( $description ) );
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}
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if ( $this->supports( 'default_credit_card_form' ) ) {
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$this->credit_card_form();
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}
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}
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/**
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* Check if a gateway supports a given feature.
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*
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* Gateways should override this to declare support (or lack of support) for a feature.
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* For backward compatibility, gateways support 'products' by default, but nothing else.
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*
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* @param string $feature string The name of a feature to test support for.
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* @return bool True if the gateway supports the feature, false otherwise.
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* @since 1.5.7
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*/
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public function supports( $feature ) {
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return apply_filters( 'woocommerce_payment_gateway_supports', in_array( $feature, $this->supports ) ? true : false, $feature, $this );
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}
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/**
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* Core credit card form which gateways can used if needed.
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*
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* @param array $args
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*/
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public function credit_card_form( $args = array(), $fields = array() ) {
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wp_enqueue_script( 'wc-credit-card-form' );
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$default_args = array(
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'fields_have_names' => true, // Some gateways like stripe don't need names as the form is tokenized
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);
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$args = wp_parse_args( $args, apply_filters( 'woocommerce_credit_card_form_args', $default_args, $this->id ) );
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$default_fields = array(
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'card-number-field' => '<p class="form-row form-row-wide">
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<label for="' . esc_attr( $this->id ) . '-card-number">' . __( 'Card Number', 'woocommerce' ) . ' <span class="required">*</span></label>
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<input id="' . esc_attr( $this->id ) . '-card-number" class="input-text wc-credit-card-form-card-number" type="text" maxlength="20" autocomplete="off" placeholder="•••• •••• •••• ••••" name="' . ( $args['fields_have_names'] ? $this->id . '-card-number' : '' ) . '" />
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</p>',
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'card-expiry-field' => '<p class="form-row form-row-first">
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<label for="' . esc_attr( $this->id ) . '-card-expiry">' . __( 'Expiry (MM/YY)', 'woocommerce' ) . ' <span class="required">*</span></label>
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<input id="' . esc_attr( $this->id ) . '-card-expiry" class="input-text wc-credit-card-form-card-expiry" type="text" autocomplete="off" placeholder="' . __( 'MM / YY', 'woocommerce' ) . '" name="' . ( $args['fields_have_names'] ? $this->id . '-card-expiry' : '' ) . '" />
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</p>',
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'card-cvc-field' => '<p class="form-row form-row-last">
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<label for="' . esc_attr( $this->id ) . '-card-cvc">' . __( 'Card Code', 'woocommerce' ) . ' <span class="required">*</span></label>
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<input id="' . esc_attr( $this->id ) . '-card-cvc" class="input-text wc-credit-card-form-card-cvc" type="text" autocomplete="off" placeholder="' . __( 'CVC', 'woocommerce' ) . '" name="' . ( $args['fields_have_names'] ? $this->id . '-card-cvc' : '' ) . '" />
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</p>'
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);
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$fields = wp_parse_args( $fields, apply_filters( 'woocommerce_credit_card_form_fields', $default_fields, $this->id ) );
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?>
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<fieldset id="<?php echo $this->id; ?>-cc-form">
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<?php do_action( 'woocommerce_credit_card_form_start', $this->id ); ?>
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<?php
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foreach ( $fields as $field ) {
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echo $field;
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}
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?>
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<?php do_action( 'woocommerce_credit_card_form_end', $this->id ); ?>
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<div class="clear"></div>
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</fieldset>
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<?php
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}
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}
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