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