static function enroll_text($content)
{
global $wpdb, $user_ID, $post;
if (@$post->post_type != 'namaste_course') {
return $content;
}
// track the visit
if (is_user_logged_in()) {
NamasteTrack::visit('course', $post->ID, $user_ID);
}
// if the shortcode is there don't show this
if (strstr($content, '[namaste-enroll]')) {
return $content;
}
// enrolled?
$enrolled = false;
if (is_user_logged_in()) {
$enrolled = $wpdb->get_var($wpdb->prepare("SELECT id FROM " . NAMASTE_STUDENT_COURSES . " WHERE user_id = %d AND course_id = %d AND (status = 'enrolled' OR status='completed')", $user_ID, $post->ID));
}
if ($enrolled) {
$text = __('You are enrolled in this course. Check "My courses" link in your dashboard to see the lessons and to-do list', 'namaste');
} else {
$text = __('You can enroll in this course from your student dashboard. You need to be logged in.', 'namaste');
}
return $content . "<p>" . $text . "</p>";
}
static function access_lesson($content)
{
global $wpdb, $post, $user_ID;
if (@$post->post_type != 'namaste_lesson') {
return $content;
}
$_course = new NamasteLMSCourseModel();
if (!is_user_logged_in()) {
return __('You need to be logged in to access this lesson.', 'namaste');
}
// track visit
NamasteTrack::visit('lesson', $post->ID, $user_ID);
// manager will always access lesson
if (current_user_can('namaste_manage')) {
self::mark_accessed();
return $content;
}
// enrolled in the course?
$course_id = get_post_meta($post->ID, 'namaste_course', true);
$course = $_course->select($course_id);
$enrolled = $wpdb->get_var($wpdb->prepare("SELECT id FROM " . NAMASTE_STUDENT_COURSES . " WHERE user_id = %d AND course_id = %d AND (status = 'enrolled' OR status='completed')", $user_ID, $course_id));
if (!$enrolled) {
$content = __('In order to see this lesson you first have to be enrolled in the course', 'namaste') . ' <b>"' . $course->post_title . '"</b>';
// self :: mark_accessed();
return $content;
// no need to run further queries
}
// no access due to filters? (Classes from Namaste PRO etc)
list($no_access, $message) = apply_filters('namaste-course-access', array(false, ''), $user_ID, $course_id);
if (!empty($no_access)) {
return $message;
}
// no access due to other lesson restrictions based on filters from other plugins
list($no_access, $message) = apply_filters('namaste-lesson-access', array(false, ''), $user_ID, $post->ID);
if (!empty($no_access)) {
return $message;
}
// can access based on other lesson restriction?
$not_completed_ids = self::unsatisfied_complete_requirements($post);
if (!empty($not_completed_ids)) {
$content = '<p>' . __('Before accessing this lesson you must complete the following lessons:', 'namaste') . '</p>';
$content .= '<ul>';
foreach ($not_completed_ids as $id) {
$not_completed = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->posts} WHERE id=%d", $id));
$content .= '<li><a href="' . get_permalink($id) . '">' . $not_completed->post_title . '</a></li>';
}
$content .= '</ul>';
// self :: mark_accessed();
return $content;
}
self::mark_accessed();
return $content;
}
