laipower/wp-content/plugins/easy-digital-downloads/includes/cart/template.php

283 lines
8.1 KiB
PHP

<?php
/**
* Cart Template
*
* @package EDD
* @subpackage Cart
* @copyright Copyright (c) 2018, Easy Digital Downloads, LLC
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
* @since 1.0
*/
// Exit if accessed directly
if ( !defined( 'ABSPATH' ) ) exit;
/**
* Builds the Cart by providing hooks and calling all the hooks for the Cart
*
* @since 1.0
* @return void
*/
function edd_checkout_cart() {
// Check if the Update cart button should be shown
if( edd_item_quantities_enabled() ) {
add_action( 'edd_cart_footer_buttons', 'edd_update_cart_button' );
}
// Check if the Save Cart button should be shown
if( ! edd_is_cart_saving_disabled() ) {
add_action( 'edd_cart_footer_buttons', 'edd_save_cart_button' );
}
do_action( 'edd_before_checkout_cart' );
echo '<form id="edd_checkout_cart_form" method="post">';
echo '<div id="edd_checkout_cart_wrap">';
do_action( 'edd_checkout_cart_top' );
edd_get_template_part( 'checkout_cart' );
do_action( 'edd_checkout_cart_bottom' );
echo '</div>';
echo '</form>';
do_action( 'edd_after_checkout_cart' );
}
/**
* Renders the Shopping Cart
*
* @since 1.0
*
* @param bool $echo
* @return string Fully formatted cart
*/
function edd_shopping_cart( $echo = false ) {
ob_start();
do_action( 'edd_before_cart' );
edd_get_template_part( 'widget', 'cart' );
do_action( 'edd_after_cart' );
if ( $echo ) {
echo ob_get_clean();
} else {
return ob_get_clean();
}
}
/**
* Get Cart Item Template
*
* @since 1.0
* @param int $cart_key Cart key
* @param array $item Cart item
* @param bool $ajax AJAX?
* @return string Cart item
*/
function edd_get_cart_item_template( $cart_key, $item, $ajax = false ) {
global $post;
$id = is_array( $item ) ? $item['id'] : $item;
$remove_url = edd_remove_item_url( $cart_key );
$title = get_the_title( $id );
$options = !empty( $item['options'] ) ? $item['options'] : array();
$quantity = edd_get_cart_item_quantity( $id, $options );
$price = edd_get_cart_item_price( $id, $options );
if ( ! empty( $options ) ) {
$title .= ( edd_has_variable_prices( $item['id'] ) ) ? ' <span class="edd-cart-item-separator">-</span> ' . edd_get_price_name( $id, $item['options'] ) : edd_get_price_name( $id, $item['options'] );
}
ob_start();
edd_get_template_part( 'widget', 'cart-item' );
$item = ob_get_clean();
$item = str_replace( '{item_title}', $title, $item );
$item = str_replace( '{item_amount}', edd_currency_filter( edd_format_amount( $price ) ), $item );
$item = str_replace( '{cart_item_id}', absint( $cart_key ), $item );
$item = str_replace( '{item_id}', absint( $id ), $item );
$item = str_replace( '{item_quantity}', absint( $quantity ), $item );
$item = str_replace( '{remove_url}', esc_url( $remove_url ), $item );
$subtotal = '';
if ( $ajax ){
$subtotal = edd_currency_filter( edd_format_amount( edd_get_cart_subtotal() ) ) ;
}
$item = str_replace( '{subtotal}', $subtotal, $item );
return apply_filters( 'edd_cart_item', $item, $id );
}
/**
* Returns the Empty Cart Message
*
* @since 1.0
* @return string Cart is empty message
*/
function edd_empty_cart_message() {
return apply_filters( 'edd_empty_cart_message', '<span class="edd_empty_cart">' . __( 'Your cart is empty.', 'easy-digital-downloads' ) . '</span>' );
}
/**
* Echoes the Empty Cart Message
*
* @since 1.0
* @return void
*/
function edd_empty_checkout_cart() {
echo edd_empty_cart_message();
}
add_action( 'edd_cart_empty', 'edd_empty_checkout_cart' );
/*
* Calculate the number of columns in the cart table dynamically.
*
* @since 1.8
* @return int The number of columns
*/
function edd_checkout_cart_columns() {
global $wp_filter, $wp_version;
$columns_count = 3;
if ( ! empty( $wp_filter['edd_checkout_table_header_first'] ) ) {
$header_first_count = 0;
$callbacks = $wp_filter['edd_checkout_table_header_first']->callbacks;
foreach ( $callbacks as $callback ) {
$header_first_count += count( $callback );
}
$columns_count += $header_first_count;
}
if ( ! empty( $wp_filter['edd_checkout_table_header_last'] ) ) {
$header_last_count = 0;
$callbacks = $wp_filter['edd_checkout_table_header_last']->callbacks;
foreach ( $callbacks as $callback ) {
$header_last_count += count( $callback );
}
$columns_count += $header_last_count;
}
return apply_filters( 'edd_checkout_cart_columns', $columns_count );
}
/**
* Display the "Save Cart" button on the checkout
*
* @since 1.8
* @return void
*/
function edd_save_cart_button() {
if ( edd_is_cart_saving_disabled() ) {
return;
}
$color = edd_get_button_color_class();
if ( edd_is_cart_saved() ) : ?>
<a class="edd-cart-saving-button edd-submit button<?php echo ' ' . esc_attr( $color ); ?>" id="edd-restore-cart-button" href="<?php echo esc_url( add_query_arg( array( 'edd_action' => 'restore_cart', 'edd_cart_token' => urlencode( edd_get_cart_token() ) ) ) ); ?>"><?php esc_html_e( 'Restore Previous Cart', 'easy-digital-downloads' ); ?></a>
<?php endif; ?>
<a class="edd-cart-saving-button edd-submit button<?php echo ' ' . esc_attr( $color ); ?>" id="edd-save-cart-button" href="<?php echo esc_url( add_query_arg( 'edd_action', 'save_cart' ) ); ?>"><?php esc_html_e( 'Save Cart', 'easy-digital-downloads' ); ?></a>
<?php
}
/**
* Displays the restore cart link on the empty cart page, if a cart is saved
*
* @since 1.8
* @return void
*/
function edd_empty_cart_restore_cart_link() {
if ( edd_is_cart_saving_disabled() ) {
return;
}
if ( edd_is_cart_saved() ) {
echo ' <a class="edd-cart-saving-link" id="edd-restore-cart-link" href="' . esc_url( add_query_arg( array( 'edd_action' => 'restore_cart', 'edd_cart_token' => urlencode( edd_get_cart_token() ) ) ) ) . '">' . esc_html__( 'Restore Previous Cart.', 'easy-digital-downloads' ) . '</a>';
}
}
add_action( 'edd_cart_empty', 'edd_empty_cart_restore_cart_link' );
/**
* Display the "Save Cart" button on the checkout
*
* @since 1.8
* @return void
*/
function edd_update_cart_button() {
if ( ! edd_item_quantities_enabled() )
return;
$color = edd_get_button_color_class();
?>
<input type="submit" name="edd_update_cart_submit" class="edd-submit edd-no-js button<?php echo ' ' . $color; ?>" value="<?php _e( 'Update Cart', 'easy-digital-downloads' ); ?>"/>
<input type="hidden" name="edd_action" value="update_cart"/>
<?php
}
/**
* Display the messages that are related to cart saving
*
* @since 1.8
* @return void
*/
function edd_display_cart_messages() {
$messages = EDD()->session->get( 'edd_cart_messages' );
if ( $messages ) {
foreach ( $messages as $message_id => $message ) {
// Try and detect what type of message this is
if ( strpos( strtolower( $message ), 'error' ) ) {
$type = 'error';
} elseif ( strpos( strtolower( $message ), 'success' ) ) {
$type = 'success';
} else {
$type = 'info';
}
$classes = apply_filters( 'edd_' . $type . '_class', array(
'edd_errors', 'edd-alert', 'edd-alert-' . $type
) );
echo '<div class="' . implode( ' ', $classes ) . '">';
// Loop message codes and display messages
echo '<p class="edd_error" id="edd_msg_' . $message_id . '">' . $message . '</p>';
echo '</div>';
}
// Remove all of the cart saving messages
EDD()->session->set( 'edd_cart_messages', null );
}
}
add_action( 'edd_before_checkout_cart', 'edd_display_cart_messages' );
/**
* Show Added To Cart Messages
*
* @since 1.0
* @param int $download_id Download (Post) ID
* @return void
*/
function edd_show_added_to_cart_messages( $download_id ) {
if ( isset( $_POST['edd_action'] ) && $_POST['edd_action'] == 'add_to_cart' ) {
if ( $download_id != absint( $_POST['download_id'] ) )
$download_id = absint( $_POST['download_id'] );
$alert = '<div class="edd_added_to_cart_alert">'
. sprintf( __('You have successfully added %s to your shopping cart.','easy-digital-downloads' ), get_the_title( $download_id ) )
. ' <a href="' . esc_url( edd_get_checkout_uri() ) . '" class="edd_alert_checkout_link">' . __('Checkout.','easy-digital-downloads' ) . '</a>'
. '</div>';
echo apply_filters( 'edd_show_added_to_cart_messages', $alert );
}
}
add_action('edd_after_download_content', 'edd_show_added_to_cart_messages');