woocommerce/includes/abstracts/abstract-wc-payment-gateway...

379 lines
9.8 KiB
PHP

<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* WooCommerce Payment Gateway class.
*
* Extended by individual payment gateways to handle payments.
*
* @class WC_Payment_Gateway
* @extends WC_Settings_API
* @version 2.1.0
* @package WooCommerce/Abstracts
* @category Abstract Class
* @author WooThemes
*/
abstract class WC_Payment_Gateway extends WC_Settings_API {
/**
* Set if the place order button should be renamed on selection.
* @var string
*/
public $order_button_text;
/**
* yes or no based on whether the method is enabled.
* @var string
*/
public $enabled = 'yes';
/**
* Payment method title for the frontend.
* @var string
*/
public $title;
/**
* Payment method description for the frontend.
* @var string
*/
public $description;
/**
* Chosen payment method id.
* @var bool
*/
public $chosen;
/**
* Gateway title.
* @var string
*/
public $method_title = '';
/**
* Gateway description.
* @var string
*/
public $method_description = '';
/**
* True if the gateway shows fields on the checkout.
* @var bool
*/
public $has_fields;
/**
* Countries this gateway is allowed for.
* @var array
*/
public $countries;
/**
* Available for all counties or specific.
* @var string
*/
public $availability;
/**
* Icon for the gateway.
* @var string
*/
public $icon;
/**
* Supported features such as 'default_credit_card_form', 'refunds'.
* @var array
*/
public $supports = array( 'products' );
/**
* Maximum transaction amount, zero does not define a maximum.
* @var int
*/
public $max_amount = 0;
/**
* Optional URL to view a transaction.
* @var string
*/
public $view_transaction_url = '';
/**
* Return the title for admin screens.
* @return string
*/
public function get_method_title() {
return apply_filters( 'woocommerce_gateway_method_title', $this->method_title, $this );
}
/**
* Return the description for admin screens.
* @return string
*/
public function get_method_description() {
return apply_filters( 'woocommerce_gateway_method_description', $this->method_description, $this );
}
/**
* Output the gateway settings screen.
*/
public function admin_options() {
echo '<h2>' . esc_html( $this->get_method_title() ) . '</h2>';
echo wp_kses_post( wpautop( $this->get_method_description() ) );
parent::admin_options();
}
/**
* Init settings for gateways.
*/
public function init_settings() {
parent::init_settings();
$this->enabled = ! empty( $this->settings['enabled'] ) && 'yes' === $this->settings['enabled'] ? 'yes' : 'no';
}
/**
* Get the return url (thank you page).
*
* @param WC_Order $order
* @return string
*/
public function get_return_url( $order = null ) {
if ( $order ) {
$return_url = $order->get_checkout_order_received_url();
} else {
$return_url = wc_get_endpoint_url( 'order-received', '', wc_get_page_permalink( 'checkout' ) );
}
if ( is_ssl() || get_option('woocommerce_force_ssl_checkout') == 'yes' ) {
$return_url = str_replace( 'http:', 'https:', $return_url );
}
return apply_filters( 'woocommerce_get_return_url', $return_url, $order );
}
/**
* Get a link to the transaction on the 3rd party gateway size (if applicable).
*
* @param WC_Order $order the order object.
* @return string transaction URL, or empty string.
*/
public function get_transaction_url( $order ) {
$return_url = '';
$transaction_id = $order->get_transaction_id();
if ( ! empty( $this->view_transaction_url ) && ! empty( $transaction_id ) ) {
$return_url = sprintf( $this->view_transaction_url, $transaction_id );
}
return apply_filters( 'woocommerce_get_transaction_url', $return_url, $order, $this );
}
/**
* Get the order total in checkout and pay_for_order.
*
* @return float
*/
protected function get_order_total() {
$total = 0;
$order_id = absint( get_query_var( 'order-pay' ) );
// Gets order total from "pay for order" page.
if ( 0 < $order_id ) {
$order = wc_get_order( $order_id );
$total = (float) $order->get_total();
// Gets order total from cart/checkout.
} elseif ( 0 < WC()->cart->total ) {
$total = (float) WC()->cart->total;
}
return $total;
}
/**
* Check if the gateway is available for use.
*
* @return bool
*/
public function is_available() {
$is_available = ( 'yes' === $this->enabled );
if ( WC()->cart && 0 < $this->get_order_total() && 0 < $this->max_amount && $this->max_amount < $this->get_order_total() ) {
$is_available = false;
}
return $is_available;
}
/**
* Check if the gateway has fields on the checkout.
*
* @return bool
*/
public function has_fields() {
return $this->has_fields ? true : false;
}
/**
* Return the gateway's title.
*
* @return string
*/
public function get_title() {
return apply_filters( 'woocommerce_gateway_title', $this->title, $this->id );
}
/**
* Return the gateway's description.
*
* @return string
*/
public function get_description() {
return apply_filters( 'woocommerce_gateway_description', $this->description, $this->id );
}
/**
* Return the gateway's icon.
*
* @return string
*/
public function get_icon() {
$icon = $this->icon ? '<img src="' . WC_HTTPS::force_https_url( $this->icon ) . '" alt="' . esc_attr( $this->get_title() ) . '" />' : '';
return apply_filters( 'woocommerce_gateway_icon', $icon, $this->id );
}
/**
* Set as current gateway.
*
* Set this as the current gateway.
*/
public function set_current() {
$this->chosen = true;
}
/**
* Process Payment.
*
* Process the payment. Override this in your gateway. When implemented, this should.
* return the success and redirect in an array. e.g:
*
* return array(
* 'result' => 'success',
* 'redirect' => $this->get_return_url( $order )
* );
*
* @param int $order_id
* @return array
*/
public function process_payment( $order_id ) {
return array();
}
/**
* Process refund.
*
* If the gateway declares 'refunds' support, this will allow it to refund.
* a passed in amount.
*
* @param int $order_id
* @param float $amount
* @param string $reason
* @return bool|WP_Error True or false based on success, or a WP_Error object.
*/
public function process_refund( $order_id, $amount = null, $reason = '' ) {
return false;
}
/**
* Validate frontend fields.
*
* Validate payment fields on the frontend.
*
* @return bool
*/
public function validate_fields() { return true; }
/**
* If There are no payment fields show the description if set.
* Override this in your gateway if you have some.
*/
public function payment_fields() {
if ( $description = $this->get_description() ) {
echo wpautop( wptexturize( $description ) );
}
if ( $this->supports( 'default_credit_card_form' ) ) {
$this->credit_card_form();
}
}
/**
* Check if a gateway supports a given feature.
*
* Gateways should override this to declare support (or lack of support) for a feature.
* For backward compatibility, gateways support 'products' by default, but nothing else.
*
* @param string $feature string The name of a feature to test support for.
* @return bool True if the gateway supports the feature, false otherwise.
* @since 1.5.7
*/
public function supports( $feature ) {
return apply_filters( 'woocommerce_payment_gateway_supports', in_array( $feature, $this->supports ) ? true : false, $feature, $this );
}
/**
* Core credit card form which gateways can used if needed.
*
* @param array $args
* @param array $fields
*/
public function credit_card_form( $args = array(), $fields = array() ) {
wp_enqueue_script( 'wc-credit-card-form' );
$default_args = array(
'fields_have_names' => true, // Some gateways like stripe don't need names as the form is tokenized.
);
$args = wp_parse_args( $args, apply_filters( 'woocommerce_credit_card_form_args', $default_args, $this->id ) );
$default_fields = array(
'card-number-field' => '<p class="form-row form-row-wide">
<label for="' . esc_attr( $this->id ) . '-card-number">' . __( 'Card Number', 'woocommerce' ) . ' <span class="required">*</span></label>
<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' : '' ) . '" />
</p>',
'card-expiry-field' => '<p class="form-row form-row-first">
<label for="' . esc_attr( $this->id ) . '-card-expiry">' . __( 'Expiry (MM/YY)', 'woocommerce' ) . ' <span class="required">*</span></label>
<input id="' . esc_attr( $this->id ) . '-card-expiry" class="input-text wc-credit-card-form-card-expiry" type="text" autocomplete="off" placeholder="' . esc_attr__( 'MM / YY', 'woocommerce' ) . '" name="' . ( $args['fields_have_names'] ? $this->id . '-card-expiry' : '' ) . '" />
</p>',
'card-cvc-field' => '<p class="form-row form-row-last">
<label for="' . esc_attr( $this->id ) . '-card-cvc">' . __( 'Card Code', 'woocommerce' ) . ' <span class="required">*</span></label>
<input id="' . esc_attr( $this->id ) . '-card-cvc" class="input-text wc-credit-card-form-card-cvc" type="text" autocomplete="off" placeholder="' . esc_attr__( 'CVC', 'woocommerce' ) . '" name="' . ( $args['fields_have_names'] ? $this->id . '-card-cvc' : '' ) . '" />
</p>'
);
$fields = wp_parse_args( $fields, apply_filters( 'woocommerce_credit_card_form_fields', $default_fields, $this->id ) );
?>
<fieldset id="<?php echo $this->id; ?>-cc-form">
<?php do_action( 'woocommerce_credit_card_form_start', $this->id ); ?>
<?php
foreach ( $fields as $field ) {
echo $field;
}
?>
<?php do_action( 'woocommerce_credit_card_form_end', $this->id ); ?>
<div class="clear"></div>
</fieldset>
<?php
}
}