/**
* Applies the preset discount, if any. This is separated from edd_listen_for_cart_discount() in order to allow items to be
* added to the cart and for it to persist across page loads if necessary
*
* @return void
*/
function edd_apply_preset_discount()
{
$code = sanitize_text_field(EDD()->session->get('preset_discount'));
if (!$code) {
return;
}
if (!edd_is_discount_valid($code, '', false)) {
return;
}
$code = apply_filters('edd_apply_preset_discount', $code);
edd_set_cart_discount($code);
EDD()->session->set('preset_discount', null);
}
/**
* Validates the supplied discount sent via AJAX.
*
* @since 1.0
* @return void
*/
function edd_ajax_apply_discount()
{
if (isset($_POST['code'])) {
$discount_code = sanitize_text_field($_POST['code']);
$return = array('msg' => '', 'code' => $discount_code);
$user = '';
if (is_user_logged_in()) {
$user = get_current_user_id();
} else {
parse_str($_POST['form'], $form);
if (!empty($form['edd_email'])) {
$user = urldecode($form['edd_email']);
}
}
if (edd_is_discount_valid($discount_code, $user)) {
$discount = edd_get_discount_by_code($discount_code);
$amount = edd_format_discount_rate(edd_get_discount_type($discount->ID), edd_get_discount_amount($discount->ID));
$discounts = edd_set_cart_discount($discount_code);
$total = edd_get_cart_total($discounts);
$return = array('msg' => 'valid', 'amount' => $amount, 'total_plain' => $total, 'total' => html_entity_decode(edd_currency_filter(edd_format_amount($total)), ENT_COMPAT, 'UTF-8'), 'code' => $discount_code, 'html' => edd_get_cart_discounts_html($discounts));
} else {
$errors = edd_get_errors();
$return['msg'] = $errors['edd-discount-error'];
edd_unset_error('edd-discount-error');
}
// Allow for custom discount code handling
$return = apply_filters('edd_ajax_discount_response', $return);
echo json_encode($return);
}
edd_die();
}
/**
* 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(', ', $discounts);
}
/**
* Validates the supplied discount sent via AJAX.
*
* @since 1.0
* @return void
*/
function edd_ajax_apply_discount()
{
if (isset($_POST['code']) && check_ajax_referer('edd_checkout_nonce', 'nonce')) {
$user = isset($_POST['user']) ? $_POST['user'] : $_POST['email'];
$return = array('msg' => '', 'code' => $_POST['code']);
if (edd_is_discount_used($_POST['code'], $user)) {
// Called twice if discount is not used (again by edd_is_discount_valid) but allows for beter usr msg and less execution if discount is used.
$return['msg'] = __('This discount code has been used already', 'edd');
} else {
if (edd_is_discount_valid($_POST['code'], $user)) {
$discount = edd_get_discount_by_code($_POST['code']);
$amount = edd_format_discount_rate(edd_get_discount_type($discount->ID), edd_get_discount_amount($discount->ID));
$discounts = edd_set_cart_discount($_POST['code']);
$total = edd_get_cart_total($discounts);
$return = array('msg' => 'valid', 'amount' => $amount, 'total' => html_entity_decode(edd_currency_filter(edd_format_amount($total)), ENT_COMPAT, 'UTF-8'), 'code' => $_POST['code'], 'html' => edd_get_cart_discounts_html($discounts));
} else {
$return['msg'] = __('The discount you entered is invalid', 'edd');
}
}
echo json_encode($return);
}
edd_die();
}
/**
* Load discount
*
* @since 2.0
*/
public function share_product()
{
if (!isset($_POST['product_id'])) {
return;
}
// check nonce
check_ajax_referer('edd_sd_nonce', 'nonce');
global $edd_options;
// get discount code's ID from plugin settings
$discount = edd_get_option('edd_sd_discount_code', '');
// get discount code by ID
$discount = edd_get_discount_code($discount);
// set cart discount. Discount will only be applied if discount exists.
$discounts = edd_set_cart_discount($discount);
$total = edd_get_cart_total($discounts);
// purchase was shared
EDD()->session->set('edd_shared', true);
// store the download ID temporarily
EDD()->session->set('edd_shared_id', $_POST['product_id']);
$return = apply_filters('edd_social_discounts_ajax_return', array('msg' => 'valid', 'success_title' => $this->success_title(), 'success_message' => $this->success_message($_POST['product_id']), 'product_id' => $_POST['product_id'], 'total' => html_entity_decode(edd_currency_filter(edd_format_amount($total)), ENT_COMPAT, 'UTF-8'), 'html' => edd_get_cart_discounts_html($discounts)));
echo json_encode($return);
edd_die();
}
/**
* Validates the supplied discount sent via AJAX.
*
* @since 1.0
* @return void
*/
function edd_ajax_apply_discount()
{
if (isset($_POST['code'])) {
$discount_code = $_POST['code'];
$return = array('msg' => '', 'code' => $discount_code);
if (edd_is_discount_valid($discount_code)) {
$discount = edd_get_discount_by_code($discount_code);
$amount = edd_format_discount_rate(edd_get_discount_type($discount->ID), edd_get_discount_amount($discount->ID));
$discounts = edd_set_cart_discount($discount_code);
$total = edd_get_cart_total($discounts);
$return = array('msg' => 'valid', 'amount' => $amount, 'total_plain' => $total, 'total' => html_entity_decode(edd_currency_filter(edd_format_amount($total)), ENT_COMPAT, 'UTF-8'), 'code' => $_POST['code'], 'html' => edd_get_cart_discounts_html($discounts));
} else {
$errors = edd_get_errors();
$return['msg'] = $errors['edd-discount-error'];
edd_unset_error('edd-discount-error');
}
// Allow for custom discount code handling
$return = apply_filters('edd_ajax_discount_response', $return);
echo json_encode($return);
}
edd_die();
}
