/**
* 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);
}
/**
* Returns the discounts for a certain download, returns an empty array if no discounts apply to this product.
*
* @param int $download_id The ID for the EDD download.
*
* @return array A list of discounts for the download.
*/
function download_get_discounts($download_id)
{
$discounts = edd_get_cart_discounts();
if (empty($discounts)) {
$discounts = array();
}
$discounts = array_map(function ($discount_code) {
$discount_id = edd_get_discount_id_by_code($discount_code);
return array('code' => $discount_code, 'id' => $discount_id, 'name' => get_post_meta($discount_id, '_edd_discount_name', true));
}, $discounts);
return array_filter($discounts, function ($discount) use($download_id) {
$requirements = edd_get_discount_product_reqs($discount['id']);
$excluded = edd_get_discount_excluded_products($discount['id']);
return in_array($download_id, $requirements) && !in_array($download_id, $excluded);
});
}
* @subpackage Admin/Discounts
* @copyright Copyright (c) 2014, Pippin Williamson
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
* @since 1.0
*/
// Exit if accessed directly
if (!defined('ABSPATH')) {
exit;
}
if (!isset($_GET['discount']) || !is_numeric($_GET['discount'])) {
wp_die(__('Something went wrong.', 'edd'), __('Error', 'edd'));
}
$discount_id = absint($_GET['discount']);
$discount = edd_get_discount($discount_id);
$product_reqs = edd_get_discount_product_reqs($discount_id);
$excluded_products = edd_get_discount_excluded_products($discount_id);
$condition = edd_get_discount_product_condition($discount_id);
$single_use = edd_discount_is_single_use($discount_id);
$flat_display = edd_get_discount_type($discount_id) == 'flat' ? '' : ' style="display:none;"';
$percent_display = edd_get_discount_type($discount_id) == 'percent' ? '' : ' style="display:none;"';
$condition_display = empty($product_reqs) ? ' style="display:none;"' : '';
?>
<h2><?php
_e('Edit Discount', 'edd');
?>
- <a href="<?php
echo admin_url('edit.php?post_type=download&page=edd-discounts');
?>
" class="button-secondary"><?php
_e('Go Back', 'edd');
?>
/**
* Get the discounted amount on a price
*
* @since 1.9
* @param array $item Cart item array
* @return float The discounted amount
*/
function edd_get_cart_item_discount_amount($item = array())
{
global $edd_is_last_cart_item, $edd_flat_discount_total;
// If we're not meeting the requirements of the $item array, return or set them
if (empty($item) || empty($item['id'])) {
return 0;
}
// Quantity is a requirement of the cart options array to determine the discounted price
if (empty($item['quantity'])) {
return 0;
}
if (!isset($item['options'])) {
$item['options'] = array();
}
$amount = 0;
$price = edd_get_cart_item_price($item['id'], $item['options']);
$discounted_price = $price;
// Retrieve all discounts applied to the cart
$discounts = edd_get_cart_discounts();
if ($discounts) {
foreach ($discounts as $discount) {
$code_id = edd_get_discount_id_by_code($discount);
// Check discount exists
if (!$code_id) {
continue;
}
$reqs = edd_get_discount_product_reqs($code_id);
$excluded_products = edd_get_discount_excluded_products($code_id);
// Make sure requirements are set and that this discount shouldn't apply to the whole cart
if (!empty($reqs) && edd_is_discount_not_global($code_id)) {
// This is a product(s) specific discount
foreach ($reqs as $download_id) {
if ($download_id == $item['id'] && !in_array($item['id'], $excluded_products)) {
$discounted_price -= $price - edd_get_discounted_amount($discount, $price);
}
}
} else {
// This is a global cart discount
if (!in_array($item['id'], $excluded_products)) {
if ('flat' === edd_get_discount_type($code_id)) {
/* *
* In order to correctly record individual item amounts, global flat rate discounts
* are distributed across all cart items. The discount amount is divided by the number
* of items in the cart and then a portion is evenly applied to each cart item
*/
$items_subtotal = 0.0;
$cart_items = edd_get_cart_contents();
foreach ($cart_items as $cart_item) {
if (!in_array($cart_item['id'], $excluded_products)) {
$item_price = edd_get_cart_item_price($cart_item['id'], $cart_item['options']);
$items_subtotal += $item_price * $cart_item['quantity'];
}
}
$subtotal_percent = $price * $item['quantity'] / $items_subtotal;
$code_amount = edd_get_discount_amount($code_id);
$discounted_amount = $code_amount * $subtotal_percent;
$discounted_price -= $discounted_amount;
$edd_flat_discount_total += round($discounted_amount, edd_currency_decimal_filter());
if ($edd_is_last_cart_item && $edd_flat_discount_total < $code_amount) {
$adjustment = $code_amount - $edd_flat_discount_total;
$discounted_price -= $adjustment;
}
} else {
$discounted_price -= $price - edd_get_discounted_amount($discount, $price);
}
}
}
}
$amount = $price - apply_filters('edd_get_cart_item_discounted_amount', $discounted_price, $discounts, $item, $price);
if ('flat' !== edd_get_discount_type($code_id)) {
$amount = $amount * $item['quantity'];
}
}
return $amount;
}
/**
* Get the discounted amount on a price
*
* @since 1.9
* @param array $item Cart item array
* @return float The discounted amount
*/
function edd_get_cart_item_discount_amount($item = array())
{
$amount = 0;
$price = edd_get_cart_item_price($item['id'], $item['options'], edd_prices_include_tax());
$discounted_price = $price;
// Retrieve all discounts applied to the cart
$discounts = edd_get_cart_discounts();
if ($discounts) {
foreach ($discounts as $discount) {
$code_id = edd_get_discount_id_by_code($discount);
$reqs = edd_get_discount_product_reqs($code_id);
$excluded_products = edd_get_discount_excluded_products($code_id);
// Make sure requirements are set and that this discount shouldn't apply to the whole cart
if (!empty($reqs) && edd_is_discount_not_global($code_id)) {
// This is a product(s) specific discount
foreach ($reqs as $download_id) {
if ($download_id == $item['id'] && !in_array($item['id'], $excluded_products)) {
$discounted_price -= $price - edd_get_discounted_amount($discount, $price);
}
}
} else {
// This is a global cart discount
if (!in_array($item['id'], $excluded_products)) {
if ('flat' === edd_get_discount_type($code_id)) {
/* *
* In order to correctly record individual item amounts, global flat rate discounts
* are distributed across all cart items. The discount amount is divided by the number
* of items in the cart and then a portion is evenly applied to each cart item
*/
$discounted_amount = edd_get_discount_amount($code_id);
$discounted_amount = $discounted_amount / edd_get_cart_quantity();
$discounted_price -= $discounted_amount;
} else {
$discounted_price -= $price - edd_get_discounted_amount($discount, $price);
}
}
}
}
$amount = $price - apply_filters('edd_get_cart_item_discounted_amount', $discounted_price, $discounts, $item, $price);
if ('flat' !== edd_get_discount_type($code_id)) {
$amount = $amount * $item['quantity'];
}
}
return $amount;
}
