static function _print_assets()
{
do_action('learn_press_frontend_before_load_assets');
self::enqueue_style(array('learn-press-icon', 'learn-press'));
self::enqueue_script(array('learn-press-global'));
// single course
if (is_course()) {
self::enqueue_script('single-course');
self::enqueue_script('learn-press-add-to-cart');
}
// single quiz
if (is_quiz()) {
self::enqueue_script('learn-press-timer');
self::enqueue_script('single-quiz');
}
// checkout page
if (learn_press_is_checkout()) {
self::enqueue_script('checkout');
}
do_action('learn_press_frontend_after_load_assets');
}
function __get($key)
{
if (empty($this->{$key})) {
switch ($key) {
case 'email':
$this->{$key} = LP_Email::instance();
break;
case 'checkout':
$this->{$key} = LP_Checkout::instance();
break;
case 'course':
if (is_course()) {
$this->{$key} = LP_Course::get_course(get_the_ID());
}
break;
case 'quiz':
if (is_quiz()) {
$this->{$key} = LP_Quiz::get_quiz(get_the_ID());
}
break;
}
}
return !empty($this->{$key}) ? $this->{$key} : false;
}
/**
* __get function.
*
* @param string $key
*
* @return mixed
*/
public function __get($key)
{
if (isset($this->{$key})) {
return $this->{$key};
}
$value = null;
switch ($key) {
case 'current_question':
if (($question = learn_press_get_request('question')) && is_quiz()) {
$value = LP_Question_Factory::get_question($question);
}
break;
case 'questions':
$value = $this->get_questions();
break;
default:
if (strpos($key, '_lp_') === false) {
$key = '_lp_' . $key;
}
$value = get_post_meta($this->id, $key, true);
if ($key == '_lp_duration') {
$value = absint($value) * 60;
}
}
if (!empty($value)) {
$this->{$key} = $value;
}
return $value;
}
function is_learnpress()
{
return apply_filters('is_learnpress', is_course_archive() || is_course_taxonomy() || is_course() || is_quiz() ? true : false);
}
