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EDIT :: functions.php

<?php /** * Cart Functions * * @package EDD * @subpackage Cart * @copyright Copyright (c) 2015, Pippin Williamson * @license http://opensource.org/licenses/gpl-2.0.php GNU Public License * @since 1.0 */ // Exit if accessed directly if ( ! defined( 'ABSPATH' ) ) exit; /** * Get the contents of the cart * * @since 1.0 * @return array Returns an array of cart contents, or an empty array if no items in the cart */ function edd_get_cart_contents() { $cart = EDD()->session->get( 'edd_cart' ); $cart = ! empty( $cart ) ? array_values( $cart ) : array(); $cart_count = count( $cart ); foreach ( $cart as $key => $item ) { $download = new EDD_Download( $item['id'] ); // If the item is not a download or it's status has changed since it was added to the cart. if ( empty( $download->ID ) || ! $download->can_purchase() ) { unset( $cart[ $key ] ); } } // We've removed items, reset the cart session if ( count( $cart ) < $cart_count ) { EDD()->session->set( 'edd_cart', $cart ); } return apply_filters( 'edd_cart_contents', $cart ); } /** * Retrieve the Cart Content Details * * Includes prices, tax, etc of all items. * * @since 1.0 * @return array $details Cart content details */ function edd_get_cart_content_details() { global $edd_is_last_cart_item, $edd_flat_discount_total; $cart_items = edd_get_cart_contents(); if ( empty( $cart_items ) ) { return false; } $details = array(); $length = count( $cart_items ) - 1; foreach( $cart_items as $key => $item ) { if( $key >= $length ) { $edd_is_last_cart_item = true; } $item['quantity'] = edd_item_quantities_enabled() ? absint( $item['quantity'] ) : 1; $price_id = isset( $item['options']['price_id'] ) ? $item['options']['price_id'] : NULL; $item_price = edd_get_cart_item_price( $item['id'], $item['options'] ); $discount = edd_get_cart_item_discount_amount( $item ); $discount = apply_filters( 'edd_get_cart_content_details_item_discount_amount', $discount, $item ); $quantity = edd_get_cart_item_quantity( $item['id'], $item['options'] ); $fees = edd_get_cart_fees( 'fee', $item['id'], $price_id ); $subtotal = $item_price * $quantity; foreach ( $fees as $fee ) { if ( $fee['amount'] < 0 ) { $subtotal += $fee['amount']; } } $tax = edd_get_cart_item_tax( $item['id'], $item['options'], $subtotal - $discount ); if( edd_prices_include_tax() ) { $subtotal -= round( $tax, edd_currency_decimal_filter() ); } $total = $subtotal - $discount + $tax; // Do not allow totals to go negative if( $total < 0 ) { $total = 0; } $details[ $key ] = array( 'name' => get_the_title( $item['id'] ), 'id' => $item['id'], 'item_number' => $item, 'item_price' => round( $item_price, edd_currency_decimal_filter() ), 'quantity' => $quantity, 'discount' => round( $discount, edd_currency_decimal_filter() ), 'subtotal' => round( $subtotal, edd_currency_decimal_filter() ), 'tax' => round( $tax, edd_currency_decimal_filter() ), 'fees' => $fees, 'price' => round( $total, edd_currency_decimal_filter() ) ); if( $edd_is_last_cart_item ) { $edd_is_last_cart_item = false; $edd_flat_discount_total = 0.00; } } return $details; } /** * Get Cart Quantity * * @since 1.0 * @return int Sum quantity of items in the cart */ function edd_get_cart_quantity() { $total_quantity = 0; $cart = edd_get_cart_contents(); if ( ! empty( $cart ) ) { $quantities = wp_list_pluck( $cart, 'quantity' ); $total_quantity = absint( array_sum( $quantities ) ); if( empty( $total_quantity ) ) { $total_quantity = count( $cart ); } } return apply_filters( 'edd_get_cart_quantity', $total_quantity, $cart ); } /** * Add To Cart * * Adds a download ID to the shopping cart. * * @since 1.0 * * @param int $download_id Download IDs to be added to the cart * @param array $options Array of options, such as variable price * * @return string Cart key of the new item */ function edd_add_to_cart( $download_id, $options = array() ) { $download = new EDD_Download( $download_id ); if( empty( $download->ID ) ) { return; // Not a download product } if ( ! $download->can_purchase() ) { return; // Do not allow draft/pending to be purchased if can't edit. Fixes #1056 } do_action( 'edd_pre_add_to_cart', $download_id, $options ); $cart = apply_filters( 'edd_pre_add_to_cart_contents', edd_get_cart_contents() ); if ( edd_has_variable_prices( $download_id ) && ! isset( $options['price_id'] ) ) { // Forces to the first price ID if none is specified and download has variable prices $options['price_id'] = '0'; } if( isset( $options['quantity'] ) ) { if ( is_array( $options['quantity'] ) ) { $quantity = array(); foreach ( $options['quantity'] as $q ) { $quantity[] = absint( preg_replace( '/[^0-9\.]/', '', $q ) ); } } else { $quantity = absint( preg_replace( '/[^0-9\.]/', '', $options['quantity'] ) ); } unset( $options['quantity'] ); } else { $quantity = 1; } // If the price IDs are a string and is a coma separted list, make it an array (allows custom add to cart URLs) if ( isset( $options['price_id'] ) && ! is_array( $options['price_id'] ) && false !== strpos( $options['price_id'], ',' ) ) { $options['price_id'] = explode( ',', $options['price_id'] ); } $items = array(); if ( isset( $options['price_id'] ) && is_array( $options['price_id'] ) ) { // Process multiple price options at once foreach ( $options['price_id'] as $key => $price ) { $items[] = array( 'id' => $download_id, 'options' => array( 'price_id' => preg_replace( '/[^0-9\.-]/', '', $price ) ), 'quantity' => is_array( $quantity[ $key ] ) && isset( $quantity[ $key ] ) ? $quantity[ $key ] : $quantity, ); } } else { // Sanitize price IDs foreach( $options as $key => $option ) { if( 'price_id' == $key ) { $options[ $key ] = preg_replace( '/[^0-9\.-]/', '', $option ); } } // Add a single item $items[] = array( 'id' => $download_id, 'options' => $options, 'quantity' => $quantity ); } foreach ( $items as &$item ) { $item = apply_filters( 'edd_add_to_cart_item', $item ); $to_add = $item; if ( ! is_array( $to_add ) ) return; if ( ! isset( $to_add['id'] ) || empty( $to_add['id'] ) ) return; if( edd_item_in_cart( $to_add['id'], $to_add['options'] ) && edd_item_quantities_enabled() ) { $key = edd_get_item_position_in_cart( $to_add['id'], $to_add['options'] ); if ( is_array( $quantity ) ) { $cart[ $key ]['quantity'] += $quantity[ $key ]; } else { $cart[ $key ]['quantity'] += $quantity; } } else { $cart[] = $to_add; } } unset( $item ); EDD()->session->set( 'edd_cart', $cart ); do_action( 'edd_post_add_to_cart', $download_id, $options, $items ); // Clear all the checkout errors, if any edd_clear_errors(); return count( $cart ) - 1; } /** * Removes a Download from the Cart * * @since 1.0 * @param int $cart_key the cart key to remove. This key is the numerical index of the item contained within the cart array. * @return array Updated cart items */ function edd_remove_from_cart( $cart_key ) { $cart = edd_get_cart_contents(); do_action( 'edd_pre_remove_from_cart', $cart_key ); if ( ! is_array( $cart ) ) { return true; // Empty cart } else { $item_id = isset( $cart[ $cart_key ]['id'] ) ? $cart[ $cart_key ]['id'] : null; unset( $cart[ $cart_key ] ); } EDD()->session->set( 'edd_cart', $cart ); do_action( 'edd_post_remove_from_cart', $cart_key, $item_id ); // Clear all the checkout errors, if any edd_clear_errors(); return $cart; // The updated cart items } /** * Checks to see if an item is already in the cart and returns a boolean * * @since 1.0 * * @param int $download_id ID of the download to remove * @param array $options * @return bool Item in the cart or not? */ function edd_item_in_cart( $download_id = 0, $options = array() ) { $cart_items = edd_get_cart_contents(); $ret = false; if ( is_array( $cart_items ) ) { foreach ( $cart_items as $item ) { if ( $item['id'] == $download_id ) { if ( isset( $options['price_id'] ) && isset( $item['options']['price_id'] ) ) { if ( $options['price_id'] == $item['options']['price_id'] ) { $ret = true; break; } } else { $ret = true; break; } } } } return (bool) apply_filters( 'edd_item_in_cart', $ret, $download_id, $options ); } /** * Get the Item Position in Cart * * @since 1.0.7.2 * * @param int $download_id ID of the download to get position of * @param array $options array of price options * @return bool|int|string false if empty cart | position of the item in the cart */ function edd_get_item_position_in_cart( $download_id = 0, $options = array() ) { $cart_items = edd_get_cart_contents(); if ( ! is_array( $cart_items ) ) { return false; // Empty cart } else { foreach ( $cart_items as $position => $item ) { if ( $item['id'] == $download_id ) { if ( isset( $options['price_id'] ) && isset( $item['options']['price_id'] ) ) { if ( (int) $options['price_id'] == (int) $item['options']['price_id'] ) { return $position; } } else { return $position; } } } } return false; // Not found } /** * Check if quantities are enabled * * @since 1.7 * @return bool */ function edd_item_quantities_enabled() { $ret = edd_get_option( 'item_quantities', false ); return (bool) apply_filters( 'edd_item_quantities_enabled', $ret ); } /** * Set Cart Item Quantity * * @since 1.7 * * @param int $download_id Download (cart item) ID number * @param int $quantity * @param array $options Download options, such as price ID * @return mixed New Cart array */ function edd_set_cart_item_quantity( $download_id = 0, $quantity = 1, $options = array() ) { $cart = edd_get_cart_contents(); $key = edd_get_item_position_in_cart( $download_id, $options ); if( $quantity < 1 ) { $quantity = 1; } $cart[ $key ]['quantity'] = $quantity; EDD()->session->set( 'edd_cart', $cart ); do_action( 'edd_after_set_cart_item_quantity', $download_id, $quantity, $options, $cart ); return $cart; } /** * Get Cart Item Quantity * * @since 1.0 * @param int $download_id Download (cart item) ID number * @param array $options Download options, such as price ID * @return int $quantity Cart item quantity */ function edd_get_cart_item_quantity( $download_id = 0, $options = array() ) { $cart = edd_get_cart_contents(); $key = edd_get_item_position_in_cart( $download_id, $options ); $quantity = isset( $cart[ $key ]['quantity'] ) && edd_item_quantities_enabled() ? $cart[ $key ]['quantity'] : 1; if( $quantity < 1 ) $quantity = 1; return apply_filters( 'edd_get_cart_item_quantity', $quantity, $download_id, $options ); } /** * Get Cart Item Price * * @since 1.0 * * @param int $item_id Download (cart item) ID number * @param array $options Optional parameters, used for defining variable prices * @return string Fully formatted price */ function edd_cart_item_price( $item_id = 0, $options = array() ) { $price = edd_get_cart_item_price( $item_id, $options ); $label = ''; $price_id = isset( $options['price_id'] ) ? $options['price_id'] : false; if ( ! edd_is_free_download( $item_id, $price_id ) && ! edd_download_is_tax_exclusive( $item_id ) ) { if( edd_prices_show_tax_on_checkout() && ! edd_prices_include_tax() ) { $price += edd_get_cart_item_tax( $item_id, $options, $price ); } if( ! edd_prices_show_tax_on_checkout() && edd_prices_include_tax() ) { $price -= edd_get_cart_item_tax( $item_id, $options, $price ); } if( edd_display_tax_rate() ) { $label = '&nbsp;&ndash;&nbsp;'; if( edd_prices_show_tax_on_checkout() ) { $label .= sprintf( __( 'includes %s tax', 'easy-digital-downloads' ), edd_get_formatted_tax_rate() ); } else { $label .= sprintf( __( 'excludes %s tax', 'easy-digital-downloads' ), edd_get_formatted_tax_rate() ); } $label = apply_filters( 'edd_cart_item_tax_description', $label, $item_id, $options ); } } $price = edd_currency_filter( edd_format_amount( $price ) ); return apply_filters( 'edd_cart_item_price_label', $price . $label, $item_id, $options ); } /** * Get Cart Item Price * * Gets the price of the cart item. Always exclusive of taxes * * Do not use this for getting the final price (with taxes and discounts) of an item. * Use edd_get_cart_item_final_price() * * @since 1.0 * @param int $download_id Download ID number * @param array $options Optional parameters, used for defining variable prices * @param bool $remove_tax_from_inclusive Remove the tax amount from tax inclusive priced products. * @return float|bool Price for this item */ function edd_get_cart_item_price( $download_id = 0, $options = array(), $remove_tax_from_inclusive = false ) { $price = 0; $variable_prices = edd_has_variable_prices( $download_id ); if ( $variable_prices ) { $prices = edd_get_variable_prices( $download_id ); if ( $prices ) { if( ! empty( $options ) ) { $price = isset( $prices[ $options['price_id'] ] ) ? $prices[ $options['price_id'] ]['amount'] : false; } else { $price = false; } } } if( ! $variable_prices || false === $price ) { // Get the standard Download price if not using variable prices $price = edd_get_download_price( $download_id ); } if ( $remove_tax_from_inclusive && edd_prices_include_tax() ) { $price -= edd_get_cart_item_tax( $download_id, $options, $price ); } return apply_filters( 'edd_cart_item_price', $price, $download_id, $options ); } /** * Get cart item's final price * * Gets the amount after taxes and discounts * * @since 1.9 * @param int $item_key Cart item key * @return float Final price for the item */ function edd_get_cart_item_final_price( $item_key = 0 ) { $items = edd_get_cart_content_details(); $final = $items[ $item_key ]['price']; return apply_filters( 'edd_cart_item_final_price', $final, $item_key ); } /** * Get cart item tax * * @since 1.9 * @param array $download_id Download ID * @param array $options Cart item options * @param float $subtotal Cart item subtotal * @return float Tax amount */ function edd_get_cart_item_tax( $download_id = 0, $options = array(), $subtotal = '' ) { $tax = 0; if( ! edd_download_is_tax_exclusive( $download_id ) ) { $country = ! empty( $_POST['billing_country'] ) ? $_POST['billing_country'] : false; $state = ! empty( $_POST['card_state'] ) ? $_POST['card_state'] : false; $tax = edd_calculate_tax( $subtotal, $country, $state ); } $tax = max( $tax, 0 ); return apply_filters( 'edd_get_cart_item_tax', $tax, $download_id, $options, $subtotal ); } /** * Get Price Name * * Gets the name of the specified price option, * for variable pricing only. * * @since 1.0 * * @param $download_id Download ID number * @param array $options Optional parameters, used for defining variable prices * @return mixed|void Name of the price option */ function edd_get_price_name( $download_id = 0, $options = array() ) { $return = false; if( edd_has_variable_prices( $download_id ) && ! empty( $options ) ) { $prices = edd_get_variable_prices( $download_id ); $name = false; if( $prices ) { if( isset( $prices[ $options['price_id'] ] ) ) $name = $prices[ $options['price_id'] ]['name']; } $return = $name; } return apply_filters( 'edd_get_price_name', $return, $download_id, $options ); } /** * Get cart item price id * * @since 1.0 * * @param array $item Cart item array * @return int Price id */ function edd_get_cart_item_price_id( $item = array() ) { if( isset( $item['item_number'] ) ) { $price_id = isset( $item['item_number']['options']['price_id'] ) ? $item['item_number']['options']['price_id'] : null; } else { $price_id = isset( $item['options']['price_id'] ) ? $item['options']['price_id'] : null; } return $price_id; } /** * Get cart item price name * * @since 1.8 * @param int $item Cart item array * @return string Price name */ function edd_get_cart_item_price_name( $item = array() ) { $price_id = (int) edd_get_cart_item_price_id( $item ); $prices = edd_get_variable_prices( $item['id'] ); $name = ! empty( $prices[ $price_id ] ) ? $prices[ $price_id ]['name'] : ''; return apply_filters( 'edd_get_cart_item_price_name', $name, $item['id'], $price_id, $item ); } /** * Get cart item title * * @since 2.4.3 * @param int $item Cart item array * @return string item title */ function edd_get_cart_item_name( $item = array() ) { $item_title = get_the_title( $item['id'] ); if( empty( $item_title ) ) { $item_title = $item['id']; } if ( edd_has_variable_prices( $item['id'] ) && false !== edd_get_cart_item_price_id( $item ) ) { $item_title .= ' - ' . edd_get_cart_item_price_name( $item ); } return apply_filters( 'edd_get_cart_item_name', $item_title, $item['id'], $item ); } /** * Cart Subtotal * * Shows the subtotal for the shopping cart (no taxes) * * @since 1.4 * @return float Total amount before taxes fully formatted */ function edd_cart_subtotal() { $price = esc_html( edd_currency_filter( edd_format_amount( edd_get_cart_subtotal() ) ) ); // Todo - Show tax labels here (if needed) return $price; } /** * Get Cart Subtotal * * Gets the total price amount in the cart before taxes and before any discounts * uses edd_get_cart_contents(). * * @since 1.3.3 * @return float Total amount before taxes */ function edd_get_cart_subtotal() { $items = edd_get_cart_content_details(); $subtotal = edd_get_cart_items_subtotal( $items ); return apply_filters( 'edd_get_cart_subtotal', $subtotal ); } /** * Get Cart Discountable Subtotal. * * @return float Total discountable amount before taxes */ function edd_get_cart_discountable_subtotal( $code_id ) { $cart_items = edd_get_cart_content_details(); $items = array(); $excluded_products = edd_get_discount_excluded_products( $code_id ); if( $cart_items ) { foreach( $cart_items as $item ) { if( ! in_array( $item['id'], $excluded_products ) ) { $items[] = $item; } } } $subtotal = edd_get_cart_items_subtotal( $items ); return apply_filters( 'edd_get_cart_discountable_subtotal', $subtotal ); } /** * Get cart items subtotal * @param array $items Cart items array * * @return float items subtotal */ function edd_get_cart_items_subtotal( $items ) { $subtotal = 0.00; if( is_array( $items ) && ! empty( $items ) ) { $prices = wp_list_pluck( $items, 'subtotal' ); if( is_array( $prices ) ) { $subtotal = array_sum( $prices ); } else { $subtotal = 0.00; } if( $subtotal < 0 ) { $subtotal = 0.00; } } return apply_filters( 'edd_get_cart_items_subtotal', $subtotal ); } /** * Get Total Cart Amount * * Returns amount after taxes and discounts * * @since 1.4.1 * @param bool $discounts Array of discounts to apply (needed during AJAX calls) * @return float Cart amount */ function edd_get_cart_total( $discounts = false ) { $subtotal = (float) edd_get_cart_subtotal(); $discounts = (float) edd_get_cart_discounted_amount(); $fees = (float) edd_get_cart_fee_total(); $cart_tax = (float) edd_get_cart_tax(); $total_wo_tax = $subtotal - $discounts + $fees; $total = $subtotal - $discounts + $cart_tax + $fees; if( $total < 0 || ! $total_wo_tax > 0 ) { $total = 0.00; } return (float) apply_filters( 'edd_get_cart_total', $total ); } /** * Get Total Cart Amount * * Gets the fully formatted total price amount in the cart. * uses edd_get_cart_amount(). * * @since 1.3.3 * * @param bool $echo * @return mixed|string|void */ function edd_cart_total( $echo = true ) { $total = apply_filters( 'edd_cart_total', edd_currency_filter( edd_format_amount( edd_get_cart_total() ) ) ); // Todo - Show tax labels here (if needed) if ( ! $echo ) { return $total; } echo $total; } /** * Check if cart has fees applied * * Just a simple wrapper function for EDD_Fees::has_fees() * * @since 1.5 * @param string $type * @uses EDD()->fees->has_fees() * @return bool Whether the cart has fees applied or not */ function edd_cart_has_fees( $type = 'all' ) { return EDD()->fees->has_fees( $type ); } /** * Get Cart Fees * * Just a simple wrapper function for EDD_Fees::get_fees() * * @since 1.5 * @param string $type * @param int $download_id * @uses EDD()->fees->get_fees() * @return array All the cart fees that have been applied */ function edd_get_cart_fees( $type = 'all', $download_id = 0, $price_id = NULL ) { return EDD()->fees->get_fees( $type, $download_id, $price_id ); } /** * Get Cart Fee Total * * Just a simple wrapper function for EDD_Fees::total() * * @since 1.5 * @uses EDD()->fees->total() * @return float Total Cart Fees */ function edd_get_cart_fee_total() { $fees = EDD()->fees->get_fees( 'all' ); $fee_total = 0.00; foreach ( $fees as $fee ) { if ( ! empty( $fee['download_id'] ) && $fee['amount'] <= 0 ) { continue; } $fee_total += $fee['amount']; } return apply_filters( 'edd_get_fee_total', $fee_total, $fees ); } /** * Get cart tax on Fees * * @since 2.0 * @uses EDD()->fees->get_fees() * @return float Total Cart tax on Fees */ function edd_get_cart_fee_tax() { $tax = 0; $fees = edd_get_cart_fees(); if( $fees ) { foreach ( $fees as $fee_id => $fee ) { if( ! empty( $fee['no_tax'] ) || $fee['amount'] < 0 ) { continue; } // Fees must (at this time) be exclusive of tax add_filter( 'edd_prices_include_tax', '__return_false' ); $tax += edd_calculate_tax( $fee['amount'] ); remove_filter( 'edd_prices_include_tax', '__return_false' ); } } return apply_filters( 'edd_get_cart_fee_tax', $tax ); } /** * Get Purchase Summary * * Retrieves the purchase summary. * * @since 1.0 * * @param $purchase_data * @param bool $email * @return string */ function edd_get_purchase_summary( $purchase_data, $email = true ) { $summary = ''; if ( $email ) { $summary .= $purchase_data['user_email'] . ' - '; } if ( ! empty( $purchase_data['downloads'] ) ) { foreach ( $purchase_data['downloads'] as $download ) { $summary .= get_the_title( $download['id'] ) . ', '; } $summary = substr( $summary, 0, -2 ); } return apply_filters( 'edd_get_purchase_summary', $summary, $purchase_data, $email ); } /** * Gets the total tax amount for the cart contents * * @since 1.2.3 * * @return mixed|void Total tax amount */ function edd_get_cart_tax() { $cart_tax = 0; $items = edd_get_cart_content_details(); if( $items ) { $taxes = wp_list_pluck( $items, 'tax' ); if( is_array( $taxes ) ) { $cart_tax = array_sum( $taxes ); } } $cart_tax += edd_get_cart_fee_tax(); return apply_filters( 'edd_get_cart_tax', edd_sanitize_amount( $cart_tax ) ); } /** * Gets the total tax amount for the cart contents in a fully formatted way * * @since 1.2.3 * @param bool $echo Whether to echo the tax amount or not (default: false) * @return string Total tax amount (if $echo is set to true) */ function edd_cart_tax( $echo = false ) { $cart_tax = 0; if ( edd_is_cart_taxed() ) { $cart_tax = edd_get_cart_tax(); $cart_tax = edd_currency_filter( edd_format_amount( $cart_tax ) ); } $tax = max( $cart_tax, 0 ); $tax = apply_filters( 'edd_cart_tax', $cart_tax ); if ( ! $echo ) { return $tax; } echo $tax; } /** * Add Collection to Cart * * Adds all downloads within a taxonomy term to the cart. * * @since 1.0.6 * @param string $taxonomy Name of the taxonomy * @param mixed $terms Slug or ID of the term from which to add ites | An array of terms * @return array Array of IDs for each item added to the cart */ function edd_add_collection_to_cart( $taxonomy, $terms ) { if ( ! is_string( $taxonomy ) ) return false; if( is_numeric( $terms ) ) { $terms = get_term( $terms, $taxonomy ); $terms = $terms->slug; } $cart_item_ids = array(); $args = array( 'post_type' => 'download', 'posts_per_page' => -1, $taxonomy => $terms ); $items = get_posts( $args ); if ( $items ) { foreach ( $items as $item ) { edd_add_to_cart( $item->ID ); $cart_item_ids[] = $item->ID; } } return $cart_item_ids; } /** * Returns the URL to remove an item from the cart * * @since 1.0 * @global $post * @param int $cart_key Cart item key * @return string $remove_url URL to remove the cart item */ function edd_remove_item_url( $cart_key ) { global $wp_query; if ( defined( 'DOING_AJAX' ) ) { $current_page = edd_get_checkout_uri(); } else { $current_page = edd_get_current_page_url(); } $remove_url = edd_add_cache_busting( add_query_arg( array( 'cart_item' => $cart_key, 'edd_action' => 'remove' ), $current_page ) ); return apply_filters( 'edd_remove_item_url', $remove_url ); } /** * Returns the URL to remove an item from the cart * * @since 1.0 * @global $post * @param string $fee_id Fee ID * @return string $remove_url URL to remove the cart item */ function edd_remove_cart_fee_url( $fee_id = '') { global $post; if ( defined('DOING_AJAX') ) { $current_page = edd_get_checkout_uri(); } else { $current_page = edd_get_current_page_url(); } $remove_url = add_query_arg( array( 'fee' => $fee_id, 'edd_action' => 'remove_fee', 'nocache' => 'true' ), $current_page ); return apply_filters( 'edd_remove_fee_url', $remove_url ); } /** * Empties the Cart * * @since 1.0 * @uses EDD()->session->set() * @return void */ function edd_empty_cart() { // Remove cart contents EDD()->session->set( 'edd_cart', NULL ); // Remove all cart fees EDD()->session->set( 'edd_cart_fees', NULL ); // Remove any active discounts edd_unset_all_cart_discounts(); do_action( 'edd_empty_cart' ); } /** * Store Purchase Data in Sessions * * Used for storing info about purchase * * @since 1.1.5 * * @param $purchase_data * * @uses EDD()->session->set() */ function edd_set_purchase_session( $purchase_data = array() ) { EDD()->session->set( 'edd_purchase', $purchase_data ); } /** * Retrieve Purchase Data from Session * * Used for retrieving info about purchase * after completing a purchase * * @since 1.1.5 * @uses EDD()->session->get() * @return mixed array | false */ function edd_get_purchase_session() { return EDD()->session->get( 'edd_purchase' ); } /** * Checks if cart saving has been disabled * * @since 1.8 * @return bool Whether or not cart saving has been disabled */ function edd_is_cart_saving_disabled() { $ret = edd_get_option( 'enable_cart_saving', false ); return apply_filters( 'edd_cart_saving_disabled', ! $ret ); } /** * Checks if a cart has been saved * * @since 1.8 * @return bool */ function edd_is_cart_saved() { if( edd_is_cart_saving_disabled() ) return false; if ( is_user_logged_in() ) { $saved_cart = get_user_meta( get_current_user_id(), 'edd_saved_cart', true ); // Check that a cart exists if( ! $saved_cart ) return false; // Check that the saved cart is not the same as the current cart if ( $saved_cart === EDD()->session->get( 'edd_cart' ) ) return false; return true; } else { // Check that a saved cart exists if ( ! isset( $_COOKIE['edd_saved_cart'] ) ) return false; // Check that the saved cart is not the same as the current cart if ( json_decode( stripslashes( $_COOKIE['edd_saved_cart'] ), true ) === EDD()->session->get( 'edd_cart' ) ) return false; return true; } } /** * Process the Cart Save * * @since 1.8 * @return bool */ function edd_save_cart() { if ( edd_is_cart_saving_disabled() ) return false; $user_id = get_current_user_id(); $cart = EDD()->session->get( 'edd_cart' ); $token = edd_generate_cart_token(); $messages = EDD()->session->get( 'edd_cart_messages' ); if ( is_user_logged_in() ) { update_user_meta( $user_id, 'edd_saved_cart', $cart, false ); update_user_meta( $user_id, 'edd_cart_token', $token, false ); } else { $cart = json_encode( $cart ); setcookie( 'edd_saved_cart', $cart, time()+3600*24*7, COOKIEPATH, COOKIE_DOMAIN ); setcookie( 'edd_cart_token', $token, time()+3600*24*7, COOKIEPATH, COOKIE_DOMAIN ); } $messages = EDD()->session->get( 'edd_cart_messages' ); if ( ! $messages ) $messages = array(); $messages['edd_cart_save_successful'] = sprintf( '<strong>%1$s</strong>: %2$s', __( 'Success', 'easy-digital-downloads' ), __( 'Cart saved successfully. You can restore your cart using this URL:', 'easy-digital-downloads' ) . ' ' . '<a href="' . edd_get_checkout_uri() . '?edd_action=restore_cart&edd_cart_token=' . $token . '">' . edd_get_checkout_uri() . '?edd_action=restore_cart&edd_cart_token=' . $token . '</a>' ); EDD()->session->set( 'edd_cart_messages', $messages ); if( $cart ) { return true; } return false; } /** * Process the Cart Restoration * * @since 1.8 * @return mixed || false Returns false if cart saving is disabled */ function edd_restore_cart() { if ( edd_is_cart_saving_disabled() ) return false; $user_id = get_current_user_id(); $saved_cart = get_user_meta( $user_id, 'edd_saved_cart', true ); $token = edd_get_cart_token(); if ( is_user_logged_in() && $saved_cart ) { $messages = EDD()->session->get( 'edd_cart_messages' ); if ( ! $messages ) $messages = array(); if ( isset( $_GET['edd_cart_token'] ) && ! hash_equals( $_GET['edd_cart_token'], $token ) ) { $messages['edd_cart_restoration_failed'] = sprintf( '<strong>%1$s</strong>: %2$s', __( 'Error', 'easy-digital-downloads' ), __( 'Cart restoration failed. Invalid token.', 'easy-digital-downloads' ) ); EDD()->session->set( 'edd_cart_messages', $messages ); } delete_user_meta( $user_id, 'edd_saved_cart' ); delete_user_meta( $user_id, 'edd_cart_token' ); if ( isset( $_GET['edd_cart_token'] ) && $_GET['edd_cart_token'] != $token ) { return new WP_Error( 'invalid_cart_token', __( 'The cart cannot be restored. Invalid token.', 'easy-digital-downloads' ) ); } } elseif ( ! is_user_logged_in() && isset( $_COOKIE['edd_saved_cart'] ) && $token ) { $saved_cart = $_COOKIE['edd_saved_cart']; if ( ! hash_equals( $_GET['edd_cart_token'], $token ) ) { $messages['edd_cart_restoration_failed'] = sprintf( '<strong>%1$s</strong>: %2$s', __( 'Error', 'easy-digital-downloads' ), __( 'Cart restoration failed. Invalid token.', 'easy-digital-downloads' ) ); EDD()->session->set( 'edd_cart_messages', $messages ); return new WP_Error( 'invalid_cart_token', __( 'The cart cannot be restored. Invalid token.', 'easy-digital-downloads' ) ); } $saved_cart = json_decode( stripslashes( $saved_cart ), true ); setcookie( 'edd_saved_cart', '', time()-3600, COOKIEPATH, COOKIE_DOMAIN ); setcookie( 'edd_cart_token', '', time()-3600, COOKIEPATH, COOKIE_DOMAIN ); } $messages['edd_cart_restoration_successful'] = sprintf( '<strong>%1$s</strong>: %2$s', __( 'Success', 'easy-digital-downloads' ), __( 'Cart restored successfully.', 'easy-digital-downloads' ) ); EDD()->session->set( 'edd_cart', $saved_cart ); EDD()->session->set( 'edd_cart_messages', $messages ); return true; } /** * Retrieve a saved cart token. Used in validating saved carts * * @since 1.8 * @return int */ function edd_get_cart_token() { $user_id = get_current_user_id(); if( is_user_logged_in() ) { $token = get_user_meta( $user_id, 'edd_cart_token', true ); } else { $token = isset( $_COOKIE['edd_cart_token'] ) ? $_COOKIE['edd_cart_token'] : false; } return apply_filters( 'edd_get_cart_token', $token, $user_id ); } /** * Delete Saved Carts after one week * * @since 1.8 * @global $wpdb * @return void */ function edd_delete_saved_carts() { global $wpdb; $start = date( 'Y-m-d', strtotime( '-7 days' ) ); $carts = $wpdb->get_results( " SELECT user_id, meta_key, FROM_UNIXTIME(meta_value, '%Y-%m-%d') AS date FROM {$wpdb->usermeta} WHERE meta_key = 'edd_cart_token' ", ARRAY_A ); if ( $carts ) { foreach ( $carts as $cart ) { $user_id = $cart['user_id']; $meta_value = $cart['date']; if ( strtotime( $meta_value ) < strtotime( '-1 week' ) ) { $wpdb->delete( $wpdb->usermeta, array( 'user_id' => $user_id, 'meta_key' => 'edd_cart_token' ) ); $wpdb->delete( $wpdb->usermeta, array( 'user_id' => $user_id, 'meta_key' => 'edd_saved_cart' ) ); } } } } add_action( 'edd_weekly_scheduled_events', 'edd_delete_saved_carts' ); /** * Generate URL token to restore the cart via a URL * * @since 1.8 * @return string UNIX timestamp */ function edd_generate_cart_token() { return apply_filters( 'edd_generate_cart_token', md5( mt_rand() . time() ) ); }

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