/**
* @return LP_Debug|null
*/
public static function instance()
{
if (!self::$_instance) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Start session if it is not started
* and init global session used by LearnPress
*
* @access private
* @return array
*/
static function init()
{
if (!session_id() && !headers_sent()) {
session_start();
}
if (!session_id()) {
LP_Debug::instance()->add('Session start failed!');
return false;
}
if (empty($_SESSION['learn_press'])) {
$_SESSION['learn_press'] = array();
}
do_action('learn_press_session_init');
return $_SESSION['learn_press'];
}
function trigger($order_id)
{
if (!$this->enable) {
return;
}
$this->find['site_title'] = '{site_title}';
$this->find['course_name'] = '{course_name}';
$this->find['course_date'] = '{course_date}';
//$this->replace['site_title'] = $this->get_blogname();
//$this->replace['course_name'] = get_the_title( $course_id );
//$this->replace['course_date'] = get_the_date( null, $course_id );
$this->object = array('order' => $order_id);
$return = $this->send($this->get_recipient(), $this->get_subject(), $this->get_content(), $this->get_headers(), $this->get_attachments());
LP_Debug::instance()->add(array('action' => learn_press_get_order($order_id)));
return $return;
}
function _evaluate_course_by_lesson($user_id)
{
global $wpdb;
$course_lessons = $this->get_lessons();
LP_Debug::instance()->add($course_lessons);
if (!$course_lessons) {
return 1;
}
$query = $wpdb->prepare("\n\t\t\tSELECT count(user_id)\n\t\t\tFROM {$wpdb->prefix}learnpress_user_lessons ul\n\t\t\tINNER JOIN {$wpdb->posts} l ON l.ID = ul.lesson_id\n\t\t\tWHERE ul.user_id = %d\n\t\t\tAND status = %s\n\t\t", $user_id, 'completed');
$completed_lessons = $wpdb->get_var($query);
return apply_filters('learn_press_evaluation_course_lesson', $completed_lessons / sizeof($course_lessons), $this->id, $user_id);
}
static function save($post)
{
LP_Debug::instance()->add('Save quiz ' . $post);
}
public function send($to, $subject, $message, $headers, $attachments)
{
add_filter('wp_mail_from', array($this, 'get_from_address'));
add_filter('wp_mail_from_name', array($this, 'get_from_name'));
add_filter('wp_mail_content_type', array($this, 'get_content_format'));
$message = apply_filters('learn_press_mail_content', $this->apply_style_inline($message));
$return = wp_mail($to, $subject, $message, $headers, $attachments);
//$return = LP_Emails::instance()->send( $this->get_from_address(), $to, $subject, $message, $headers, $attachments );
remove_filter('wp_mail_from', array($this, 'get_from_address'));
remove_filter('wp_mail_from_name', array($this, 'get_from_name'));
remove_filter('wp_mail_content_type', array($this, 'get_content_format'));
LP_Debug::instance()->add(func_get_args());
return $return;
}
/**
* Updates order to new status if needed
*
* @param mixed $new_status
*
* @return bool
* @throws Exception
*/
function update_status($new_status = 'pending')
{
// Standardise status names.
$new_status = 'lp-' === substr($new_status, 0, 3) ? substr($new_status, 3) : $new_status;
$old_status = $this->get_status();
if ($new_status !== $old_status && in_array($new_status, array_keys(learn_press_get_order_statuses(false)))) {
// Update the order
global $wpdb;
$updated = $wpdb->update($wpdb->posts, array('post_status' => 'lp-' . $new_status), array('ID' => $this->id), array('%s'));
if ($updated === false) {
throw new Exception(__('Error! Update order failed', 'learn_press'));
return false;
}
LP_Debug::instance()->add('Update order ' . $updated . ' status from ' . $old_status . ' to ' . $new_status);
LP_Debug::instance()->add(get_post($updated));
$this->post_status = 'lp-' . $new_status;
// Status was changed
do_action('learn_press_order_status_' . $new_status, $this->id);
do_action('learn_press_order_status_' . $old_status . '_to_' . $new_status, $this->id);
do_action('learn_press_order_status_changed', $this->id, $old_status, $new_status);
switch ($new_status) {
case 'completed':
break;
case 'processing':
break;
}
// backward compatible
do_action('learn_press_update_order_status', $new_status, $this->id);
}
}
static function search_courses()
{
$nonce = learn_press_get_request('nonce');
if (!wp_verify_nonce($nonce, 'search_item_term')) {
LP_Debug::exception(__('Verify nonce failed', 'learn_press'));
}
$term = learn_press_get_request('term');
$exclude = learn_press_get_request('exclude');
$posts = learn_press_get_all_courses(array('term' => $term, 'exclude' => $exclude));
$found_courses = array();
if (!empty($posts)) {
foreach ($posts as $post) {
$found_courses[$post] = array('title' => get_the_title($post), 'permalink' => get_the_permalink($post));
}
}
$found_courses = apply_filters('learn_press_json_search_found_courses', $found_courses);
learn_press_send_json($found_courses);
}
