/**
* Add course to cart
*
* @param int $course_id
* @param int $quantity
* @param array
*/
function add_to_cart($course_id, $quantity = 1, $item_data = array())
{
if (!learn_press_is_enable_cart()) {
$this->empty_cart();
}
$course = learn_press_get_course($course_id);
/*
if ( !empty( $this->_cart_content['items'][$course_id] ) ) {
$quantity += $this->_cart_content['items'][$course_id]['quantity'];
}*/
$quantity = 1;
$this->_cart_content['items'][$course_id] = apply_filters('learn_press_add_cart_item', array('item_id' => $course_id, 'quantity' => $quantity, 'subtotal' => $course->get_price() * $quantity, 'total' => $course->get_price() * $quantity, 'data' => $item_data));
do_action('learn_press_add_to_cart', $course_id, $quantity, $item_data, $this);
$button = '';
if (learn_press_is_enable_cart()) {
if (LP()->settings->get('redirect_after_add') == 'yes') {
$redirect = learn_press_get_page_link('cart');
$button = sprintf('<a href="%s">%s</a>', get_the_permalink($course_id), __('Back to class', 'learn_press'));
} else {
$redirect = get_the_permalink($course_id);
$button = sprintf('<a href="%s">%s</a>', learn_press_get_page_link('cart'), __('View cart', 'learn_press'));
}
} else {
$redirect = learn_press_get_page_link('checkout');
}
$redirect = apply_filters('learn_press_add_to_cart_redirect', $redirect, $course_id);
learn_press_add_notice(sprintf(__('<strong>%s</strong> has been added to your cart. %s', 'learn_press'), get_the_title($course_id), $button));
if (is_ajax()) {
learn_press_send_json(array('redirect' => $redirect, 'result' => 'success', 'messages' => learn_press_get_notices(true)));
} else {
wp_redirect($redirect);
die;
}
}
/**
* Process checkout
*
* @throws Exception
*/
function process_checkout()
{
try {
if (strtolower($_SERVER['REQUEST_METHOD']) != 'post') {
return;
}
// Prevent timeout
@set_time_limit(0);
do_action('learn_press_before_checkout_process');
$success = true;
if (LP()->cart->is_empty()) {
learn_press_send_json(array('result' => 'success', 'redirect' => learn_press_get_page_link('checkout')));
}
if (empty($_REQUEST['payment_method'])) {
$success = false;
learn_press_add_notice(__('Please select a payment method', 'learn_press'), 'error');
} else {
$this->payment_method = $_REQUEST['payment_method'];
if ($this->checkout_fields) {
foreach ($this->checkout_fields as $name => $field) {
if (!apply_filters('learn_press_checkout_validate_field', true, array('name' => $name, 'text' => $field), $this)) {
$success = false;
}
}
}
if (isset($this->checkout_fields['user_login']) && isset($this->checkout_fields['user_password'])) {
$creds = array();
$creds['user_login'] = $_POST['user_login'];
$creds['user_password'] = $_POST['user_password'];
$creds['remember'] = true;
$user = wp_signon($creds, false);
if (is_wp_error($user)) {
learn_press_add_notice($user->get_error_message(), 'error');
$success = false;
}
}
LP()->session->set('chosen_payment_method', $this->payment_method);
}
if ($success && LP()->cart->needs_payment()) {
// Payment Method
$available_gateways = LP_Gateways::instance()->get_available_payment_gateways();
if (!isset($available_gateways[$this->payment_method])) {
$this->payment_method = '';
learn_press_add_notice(__('Invalid payment method.', 'learn_press'), 'error');
} else {
$this->payment_method = $available_gateways[$this->payment_method];
$success = $this->payment_method->validate_fields();
}
} else {
$available_gateways = array();
}
$order_id = $this->create_order();
if ($success && $this->payment_method && $order_id) {
LP()->session->order_awaiting_payment = $order_id;
// Process Payment
$result = $this->payment_method->process_payment($order_id);
$success = !empty($result['result']) ? $result['result'] == 'success' : false;
// Redirect to success/confirmation/payment page
if ($success) {
$result = apply_filters('learn_press_payment_successful_result', $result, $order_id);
//LP()->cart->empty_cart();
if (is_ajax()) {
learn_press_send_json($result);
} else {
wp_redirect($result['redirect']);
exit;
}
}
}
} catch (Exception $e) {
if (!empty($e)) {
learn_press_add_notice($e->getMessage(), 'error');
}
$success = false;
}
$error_messages = '';
if (!$success) {
ob_start();
learn_press_print_notices();
$error_messages = ob_get_clean();
}
$result = array('result' => $success ? 'success' : 'fail', 'messages' => $error_messages, 'redirect' => '');
return $result;
}
/**
* Display a message immediately with out push into queue
*
* @param $message
* @param string $type
*/
function learn_press_display_message($message, $type = 'success')
{
// get all notices added into queue
$notices = LP_Session::get('notices');
LP_Session::set('notices', null);
// add new notice and display
learn_press_add_notice($message, $type);
echo learn_press_get_notices(true);
// store back notices
LP_Session::set('notices', $notices);
}
/**
* Enroll this user to a course
*
* @param $course_id
*
* @return int|void
* @throws Exception
*/
function enroll($course_id)
{
if (!$this->can('enroll-course', $course_id)) {
learn_press_add_notice(__('Sorry! You can not enroll this course. Please try again or contact site admin'), 'error');
return;
}
global $wpdb;
$inserted = 0;
do_action('learn_press_before_enroll_course', $this, $course_id);
if ($wpdb->insert($wpdb->learnpress_user_courses, array('user_id' => $this->id, 'course_id' => $course_id, 'start_time' => current_time('mysql'), 'status' => 'enrolled', 'end_time' => null, 'order_id' => $this->get_course_order($course_id)), array('%d', '%d', '%s', '%s', '%s'))) {
$inserted = $wpdb->insert_id;
do_action('learn_press_user_enrolled_course', $this, $course_id, $inserted);
} else {
do_action('learn_press_user_enroll_course_failed', $this, $course_id, $inserted);
}
return $inserted;
}
static function do_ajax($var)
{
if (!defined('DOING_AJAX')) {
define('DOING_AJAX', true);
}
LP_Gateways::instance()->get_available_payment_gateways();
$result = false;
switch ($var) {
case 'checkout':
$result = LP()->checkout->process_checkout();
break;
case 'enroll-course':
$course_id = learn_press_get_request('enroll-course');
if (!$course_id) {
throw new Exception(__('Invalid course', 'learn_press'));
}
$insert_id = LP()->user->enroll($course_id);
$response = array('result' => 'fail', 'redirect' => apply_filters('learn_press_enroll_course_failure_redirect_url', get_the_permalink($course_id)));
if ($insert_id) {
$response['result'] = 'success';
$response['redirect'] = apply_filters('learn_press_enrolled_course_redirect_url', get_the_permalink($course_id));
$message = apply_filters('learn_press_enrolled_course_message', sprintf(__('Congrats! You have enrolled <strong>%s</strong>', 'learn_press'), get_the_title($course_id)), $course_id, LP()->user->id);
learn_press_add_notice($message);
} else {
$message = apply_filters('learn_press_enroll_course_failed_message', sprintf(__('Sorry! The course <strong>%s</strong> you want to enroll has failed! Please contact site\'s administrator for more information.', 'learn_press'), get_the_title($course_id)), $course_id, LP()->user->id);
learn_press_add_notice($message, 'error');
}
if (is_ajax()) {
learn_press_send_json($response);
}
if ($response['redirect']) {
wp_redirect($response['redirect']);
}
break;
case 'checkout-login':
$result = array('result' => 'success');
ob_start();
if (empty($_REQUEST['user_login'])) {
$result['result'] = 'fail';
learn_press_add_notice(__('Please enter username', 'learn_press'), 'error');
}
if (empty($_REQUEST['user_password'])) {
$result['result'] = 'fail';
learn_press_add_notice(__('Please enter password', 'learn_press'), 'error');
}
if ($result['result'] == 'success') {
$creds = array();
$creds['user_login'] = $_REQUEST['user_login'];
$creds['user_password'] = $_REQUEST['user_password'];
$creds['remember'] = true;
$user = wp_signon($creds, false);
if (is_wp_error($user)) {
$result['result'] = 'fail';
learn_press_add_notice($user->get_error_message(), 'error');
} else {
$result['redirect'] = learn_press_get_page_link('checkout');
}
}
learn_press_print_notices();
$messages = ob_get_clean();
if ($result['result'] == 'fail') {
$result['messages'] = $messages;
}
break;
case 'add-to-cart':
$result = LP()->cart->add_to_cart(learn_press_get_request('add-course-to-cart'));
}
learn_press_send_json($result);
}
<?php
/**
* @author ThimPress
* @package LearnPress/Templates
* @version 1.0
*/
if (!defined('ABSPATH')) {
exit;
}
learn_press_add_notice(__('Your cart is currently empty.', 'learn_press'), 'error');
learn_press_print_notices();
?>
<a href="<?php
echo learn_press_get_page_link('courses');
?>
"><?php
_e('Back to class', 'learn_press');
?>
</a>
