/**
* Returns the discounts that are global to the cart
*
* @return array A list of discounts that are global to the cart.
*/
function get_global_discounts()
{
$discounts = edd_get_cart_discounts();
if (empty($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 ($discount) {
return !edd_is_discount_not_global($discount['id']);
});
}
/**
* Checks whether discounts are still valid when removing items from the cart
*
* If a discount requires a certain product, and that product is no longer in the cart, the discount is removed
*
* @since 1.5.2
*
* @param int $cart_key
*/
function edd_maybe_remove_cart_discount($cart_key = 0)
{
$discounts = edd_get_cart_discounts();
if (!$discounts) {
return;
}
foreach ($discounts as $discount) {
if (!edd_is_discount_valid($discount)) {
edd_unset_cart_discount($discount);
}
}
}
/**
* Get Cart Amount
*
* @since 1.0
* @deprecated 1.9
* @param bool $add_taxes Whether to apply taxes (if enabled) (default: true)
* @param bool $local_override Force the local opt-in param - used for when not reading $_POST (default: false)
* @return float Total amount
*/
function edd_get_cart_amount($add_taxes = true, $local_override = false)
{
$backtrace = debug_backtrace();
_edd_deprecated_function(__FUNCTION__, '1.9', 'edd_get_cart_subtotal() or edd_get_cart_total()', $backtrace);
$amount = edd_get_cart_subtotal();
if (!empty($_POST['edd-discount']) || edd_get_cart_discounts() !== false) {
// Retrieve the discount stored in cookies
$discounts = edd_get_cart_discounts();
// Check for a posted discount
$posted_discount = isset($_POST['edd-discount']) ? trim($_POST['edd-discount']) : '';
if ($posted_discount && !in_array($posted_discount, $discounts)) {
// This discount hasn't been applied, so apply it
$amount = edd_get_discounted_amount($posted_discount, $amount);
}
if (!empty($discounts)) {
// Apply the discounted amount from discounts already applied
$amount -= edd_get_cart_discounted_amount();
}
}
if (edd_use_taxes() && edd_is_cart_taxed() && $add_taxes) {
$tax = edd_get_cart_tax();
$amount += $tax;
}
if ($amount < 0) {
$amount = 0.0;
}
return apply_filters('edd_get_cart_amount', $amount, $add_taxes, $local_override);
}
/**
* Purchase Form Validate Discounts
*
* @access private
* @since 1.0.8.1
* @return string
*/
function edd_purchase_form_validate_discounts()
{
// Retrieve the discount stored in cookies
$discounts = edd_get_cart_discounts();
$user = '';
if (isset($_POST['edd_user_login']) && !empty($_POST['edd_user_login'])) {
$user = sanitize_text_field($_POST['edd_user_login']);
} else {
if (isset($_POST['edd_email']) && !empty($_POST['edd_email'])) {
$user = sanitize_text_field($_POST['edd_email']);
} else {
if (is_user_logged_in()) {
$user = wp_get_current_user()->user_email;
}
}
}
$error = false;
// Check for valid discount(s) is present
if (!empty($_POST['edd-discount']) && __('Enter discount', 'easy-digital-downloads') != $_POST['edd-discount']) {
// Check for a posted discount
$posted_discount = isset($_POST['edd-discount']) ? trim($_POST['edd-discount']) : false;
// Add the posted discount to the discounts
if ($posted_discount && (empty($discounts) || edd_multiple_discounts_allowed()) && edd_is_discount_valid($posted_discount, $user)) {
edd_set_cart_discount($posted_discount);
}
}
// If we have discounts, loop through them
if (!empty($discounts)) {
foreach ($discounts as $discount) {
// Check if valid
if (!edd_is_discount_valid($discount, $user)) {
// Discount is not valid
$error = true;
}
}
} else {
// No discounts
return 'none';
}
if ($error) {
edd_set_error('invalid_discount', __('One or more of the discounts you entered is invalid', 'easy-digital-downloads'));
}
return implode(', ', $discounts);
}
/**
* Removes a discount code from the cart via ajax
*
* @since 1.7
* @return void
*/
function edd_ajax_remove_discount()
{
if (isset($_POST['code'])) {
edd_unset_cart_discount(urldecode($_POST['code']));
$total = edd_get_cart_total();
$return = array('total' => html_entity_decode(edd_currency_filter(edd_format_amount($total)), ENT_COMPAT, 'UTF-8'), 'code' => $_POST['code'], 'discounts' => edd_get_cart_discounts(), 'html' => edd_get_cart_discounts_html());
echo json_encode($return);
}
edd_die();
}
/**
* Sets the discount amount based on the upgrade fee
*
* @param $discount float The discount amount
* @param $item array the cart item array
* @return float
*/
function affwp_cart_item_discounted_amount($discounted_price, $discounts, $item, $price)
{
if (!function_exists('EDD')) {
return $discounted_price;
}
if (!EDD()->session->get('is_upgrade')) {
return $discounted_price;
}
$price_id = EDD()->session->get('upgrade_price_id');
$upgrade_discount = EDD()->session->get('upgrade_discount');
$cart_discounts = edd_get_cart_discounts();
if ($upgrade_discount && edd_cart_has_discounts()) {
$discounted_price = $price - $upgrade_discount;
foreach ($cart_discounts as $discount) {
$discounted_price = edd_get_discounted_amount($discount, $discounted_price);
}
}
return $discounted_price;
}
/**
* Discount remove icon
*/
function pp_edd_get_cart_discounts_html($html, $discounts, $rate, $remove_url)
{
if (!$discounts) {
$discounts = edd_get_cart_discounts();
}
if (!$discounts) {
return;
}
$html = '';
foreach ($discounts as $discount) {
$discount_id = edd_get_discount_id_by_code($discount);
$rate = edd_format_discount_rate(edd_get_discount_type($discount_id), edd_get_discount_amount($discount_id));
$remove_url = add_query_arg(array('edd_action' => 'remove_cart_discount', 'discount_id' => $discount_id, 'discount_code' => $discount), edd_get_checkout_uri());
$svg = '<svg width="16" height="16" viewBox="0 0 16 16"><use xlink:href="' . get_stylesheet_directory_uri() . "/images/svg-defs.svg#icon-remove" . '"></use></svg>';
$html .= "<span class=\"edd_discount\">\n";
$html .= "<span class=\"edd_discount_rate\">{$discount} – {$rate}</span>\n";
$html .= "<a href=\"{$remove_url}\" data-code=\"{$discount}\" class=\"edd_discount_remove\">{$svg}</a>\n";
$html .= "</span>\n";
}
return $html;
}
function edd_downloads_ajax_apply_discount()
{
$existing_discount = edd_get_cart_discounts();
$discount_code = $_POST['code'];
if (!empty($existing_discount) && in_array($discount_code, $existing_discount)) {
$return['msg'] = __('This code has already been applied', 'edd_downloads');
edd_unset_error('edd-discount-error');
// Allow for custom discount code handling
$return = apply_filters('edd_ajax_discount_response', $return);
echo json_encode($return);
} else {
edd_ajax_apply_discount();
}
edd_die();
}
/**
* Get Cart Amount
*
* @since 1.0
* @param bool $add_taxes Whether to apply taxes (if enabled) (default: true)
* @param bool $local_override Force the local opt-in param - used for when not reading $_POST (default: false)
* @return float Total amount
*/
function edd_get_cart_amount($add_taxes = true, $local_override = false)
{
$amount = edd_get_cart_subtotal(false);
if (!empty($_POST['edd-discount']) || edd_get_cart_discounts() !== false) {
// Retrieve the discount stored in cookies
$discounts = edd_get_cart_discounts();
// Check for a posted discount
$posted_discount = isset($_POST['edd-discount']) ? trim($_POST['edd-discount']) : '';
if ($posted_discount && !in_array($posted_discount, $discounts)) {
// This discount hasn't been applied, so apply it
$amount = edd_get_discounted_amount($posted_discount, $amount);
}
if (!empty($discounts)) {
// Apply the discounted amount from discounts already applied
$amount -= edd_get_cart_discounted_amount();
}
}
if (edd_use_taxes() && $add_taxes) {
if (edd_local_taxes_only() && (isset($_POST['edd_tax_opt_in']) || $local_override)) {
// Add the tax amount for a local resident
$tax = edd_get_cart_tax();
$amount += $tax;
} elseif (!edd_local_taxes_only()) {
// Add the global tax amount
$tax = edd_get_cart_tax();
$amount += $tax;
}
}
return apply_filters('edd_get_cart_amount', $amount, $add_taxes, $local_override);
}
/**
* Purchase Form Validate Discounts
*
* @access private
* @since 1.0.8.1
* @return string
*/
function edd_purchase_form_validate_discounts()
{
// Retrieve the discount stored in cookies
$discounts = edd_get_cart_discounts();
// Check for valid discount is present
if (!empty($_POST['edd-discount']) || $discounts !== false) {
if (empty($discounts)) {
$discount = sanitize_text_field($_POST['edd-discount']);
} else {
// Use the discount stored in the cookies
$discount = $discounts[0];
// Note: At some point this will support multiple discounts
}
$user = isset($_POST['edd_user_login']) ? sanitize_text_field($_POST['edd_user_login']) : sanitize_email($_POST['edd_email']);
// Check if validates
if (edd_is_discount_valid($discount, $user)) {
// Return clean discount
return $discount;
} else {
// Set invalid discount error
edd_set_error('invalid_discount', __('The discount you entered is invalid', 'edd'));
}
}
// Return default value
return 'none';
}
