course_post_type, array($this, 'save_course_meta'), 10, 2);
add_action('wp_ajax_tutor_add_course_topic', array($this, 'tutor_add_course_topic'));
add_action('wp_ajax_tutor_update_topic', array($this, 'tutor_update_topic'));
//Add Column
add_filter( "manage_{$this->course_post_type}_posts_columns", array($this, 'add_column'), 10,1 );
add_action( "manage_{$this->course_post_type}_posts_custom_column" , array($this, 'custom_lesson_column'), 10, 2 );
add_action('admin_action_tutor_delete_topic', array($this, 'tutor_delete_topic'));
add_action('admin_action_tutor_delete_announcement', array($this, 'tutor_delete_announcement'));
//Frontend Action
add_action('template_redirect', array($this, 'enroll_now'));
add_action('template_redirect', array($this, 'mark_course_complete'));
//Modal Perform
add_action('wp_ajax_tutor_load_instructors_modal', array($this, 'tutor_load_instructors_modal'));
add_action('wp_ajax_tutor_add_instructors_to_course', array($this, 'tutor_add_instructors_to_course'));
add_action('wp_ajax_detach_instructor_from_course', array($this, 'detach_instructor_from_course'));
}
/**
* Registering metabox
*/
public function register_meta_box(){
$coursePostType = tutor()->course_post_type;
add_meta_box( 'tutor-course-topics', __( 'Course Builder', 'tutor' ), array($this, 'course_meta_box'), $coursePostType );
add_meta_box( 'tutor-course-additional-data', __( 'Additional Data', 'tutor' ), array($this, 'course_additional_data_meta_box'), $coursePostType );
add_meta_box( 'tutor-course-videos', __( 'Video', 'tutor' ), array($this, 'video_metabox'), $coursePostType );
add_meta_box( 'tutor-instructors', __( 'Instructors', 'tutor' ), array($this, 'instructors_metabox'), $coursePostType );
add_meta_box( 'tutor-announcements', __( 'Announcements', 'tutor' ), array($this, 'announcements_metabox'), $coursePostType );
}
public function course_meta_box(){
include tutor()->path.'views/metabox/course-topics.php';
}
public function course_additional_data_meta_box(){
include tutor()->path.'views/metabox/course-additional-data.php';
}
public function video_metabox(){
include tutor()->path.'views/metabox/video-metabox.php';
}
public function announcements_metabox(){
include tutor()->path.'views/metabox/announcements-metabox.php';
}
public function instructors_metabox(){
include tutor()->path.'views/metabox/instructors-metabox.php';
}
/**
* @param $post_ID
*
* Insert Topic and attached it with Course
*/
public function save_course_meta($post_ID, $post){
global $wpdb;
/**
* Insert Topic
*/
if ( ! empty($_POST['topic_title'])) {
$topic_title = sanitize_text_field( $_POST['topic_title'] );
$topic_summery = wp_kses_post( $_POST['topic_summery'] );
$post_arr = array(
'post_type' => 'topics',
'post_title' => $topic_title,
'post_content' => $topic_summery,
'post_status' => 'publish',
'post_author' => get_current_user_id(),
'post_parent' => $post_ID,
);
wp_insert_post( $post_arr );
}
//Course Duration
if ( ! empty($_POST['course_duration'])){
$video = tutor_utils()->sanitize_array($_POST['course_duration']);
update_post_meta($post_ID, '_course_duration', $video);
}
if ( ! empty($_POST['course_level'])){
$course_level = sanitize_text_field($_POST['course_level']);
update_post_meta($post_ID, '_tutor_course_level', $course_level);
}
if ( ! empty($_POST['course_benefits'])){
$course_benefits = wp_kses_post($_POST['course_benefits']);
update_post_meta($post_ID, '_tutor_course_benefits', $course_benefits);
}
if ( ! empty($_POST['course_requirements'])){
$requirements = wp_kses_post($_POST['course_requirements']);
update_post_meta($post_ID, '_tutor_course_requirements', $requirements);
}
if ( ! empty($_POST['course_target_audience'])){
$target_audience = wp_kses_post($_POST['course_target_audience']);
update_post_meta($post_ID, '_tutor_course_target_audience', $target_audience);
}
if ( ! empty($_POST['course_material_includes'])){
$material_includes = wp_kses_post($_POST['course_material_includes']);
update_post_meta($post_ID, '_tutor_course_material_includes', $material_includes);
}
/**
* Sorting Topics and lesson
*/
if ( ! empty($_POST['tutor_topics_lessons_sorting'])){
$new_order = sanitize_text_field(stripslashes($_POST['tutor_topics_lessons_sorting']));
$order = json_decode($new_order, true);
if (is_array($order) && count($order)){
$i = 0;
foreach ($order as $topic ){
$i++;
$wpdb->update(
$wpdb->posts,
array('menu_order' => $i),
array('ID' => $topic['topic_id'])
);
/**
* Removing All lesson with topic
*/
$wpdb->update(
$wpdb->posts,
array('post_parent' => 0),
array('post_parent' => $topic['topic_id'])
);
/**
* Lesson Attaching with topic ID
* sorting lesson
*/
if (isset($topic['lesson_ids'])){
$lesson_ids = $topic['lesson_ids'];
}else{
$lesson_ids = array();
}
if (count($lesson_ids)){
foreach ($lesson_ids as $lesson_key => $lesson_id ){
$wpdb->update(
$wpdb->posts,
array('post_parent' => $topic['topic_id'], 'menu_order' => $lesson_key),
array('ID' => $lesson_id)
);
}
}
}
}
}
//Video
if ( ! empty($_POST['video']['source'])){
$video = tutor_utils()->sanitize_array($_POST['video']);
update_post_meta($post_ID, '_video', $video);
}
/**
* Adding author to instructor automatically
*/
$author_id = $post->post_author;
$attached = (int) $wpdb->get_var(" SELECT COUNT(umeta_id) FROM {$wpdb->usermeta} WHERE user_id = {$author_id} AND meta_key = '_tutor_instructor_course_id' AND meta_value = {$post_ID} ");
if ( ! $attached){
add_user_meta($author_id, '_tutor_instructor_course_id', $post_ID);
}
//Announcements
$announcement_title = tutor_utils()->avalue_dot('announcements.title', $_POST );
if ( ! empty($announcement_title)){
$title = sanitize_text_field(tutor_utils()->avalue_dot('announcements.title', $_POST ));
$content = wp_kses_post(tutor_utils()->avalue_dot('announcements.content', $_POST ));
$post_arr = array(
'post_type' => 'tutor_announcements',
'post_title' => $title,
'post_content' => $content,
'post_status' => 'publish',
'post_author' => get_current_user_id(),
'post_parent' => $post_ID,
);
wp_insert_post( $post_arr );
}
}
/**
* Tutor add course topic
*/
public function tutor_add_course_topic(){
if (empty($_POST['topic_title'])) {
wp_send_json_error();
}
$course_id = (int) tutor_utils()->avalue_dot('tutor_topic_course_ID', $_POST);
$next_topic_order_id = tutor_utils()->get_next_topic_order_id($course_id);
$topic_title = sanitize_text_field( $_POST['topic_title'] );
$topic_summery = wp_kses_post( $_POST['topic_summery'] );
$post_arr = array(
'post_type' => 'topics',
'post_title' => $topic_title,
'post_content' => $topic_summery,
'post_status' => 'publish',
'post_author' => get_current_user_id(),
'post_parent' => $course_id,
'menu_order' => $next_topic_order_id,
);
$current_topic_id = wp_insert_post( $post_arr );
ob_start();
include tutor()->path.'views/metabox/course-contents.php';
$course_contents = ob_get_clean();
wp_send_json_success(array('course_contents' => $course_contents));
}
/**
* Update the topic
*/
public function tutor_update_topic(){
$topic_id = (int) sanitize_text_field($_POST['topic_id']);
$topic_title = sanitize_text_field($_POST['topic_title']);
$topic_summery = wp_kses_post($_POST['topic_summery']);
$topic_attr = array(
'ID' => $topic_id,
'post_title' => $topic_title,
'post_content' => $topic_summery,
);
wp_update_post( $topic_attr );
wp_send_json_success(array('msg' => __('Topic has been updated', 'tutor') ));
}
/**
* @param $columns
*
* @return mixed
*
* Add Lesson column
*/
public function add_column($columns){
$date_col = $columns['date'];
unset($columns['date']);
$columns['lessons'] = __('Lessons', 'tutor');
$columns['students'] = __('Students', 'tutor');
$columns['price'] = __('Price', 'tutor');
$columns['date'] = $date_col;
return $columns;
}
/**
* @param $column
* @param $post_id
*
*/
public function custom_lesson_column($column, $post_id ){
if ($column === 'lessons'){
echo tutor_utils()->get_lesson_count_by_course($post_id);
}
if ($column === 'students'){
echo tutor_utils()->count_enrolled_users_by_course($post_id);
}
if ($column === 'price'){
$price = tutor_utils()->get_course_price($post_id);
if ($price){
if (function_exists('wc_price')){
echo ''.wc_price($price).'';
}else{
echo ''.$price.'';
}
}else{
echo 'free';
}
}
}
public function tutor_delete_topic(){
if (!isset($_GET[tutor()->nonce]) || !wp_verify_nonce($_GET[tutor()->nonce], tutor()->nonce_action)) {
exit();
}
if ( ! isset($_GET['topic_id'])){
exit();
}
global $wpdb;
$topic_id = (int) sanitize_text_field($_GET['topic_id']);
$wpdb->update(
$wpdb->posts,
array('post_parent' => 0),
array('post_parent' => $topic_id)
);
$wpdb->delete(
$wpdb->postmeta,
array('post_id' => $topic_id)
);
wp_delete_post($topic_id);
wp_safe_redirect(wp_get_referer());
}
public function tutor_delete_announcement(){
tutor_utils()->checking_nonce('get');
$announcement_id = (int) sanitize_text_field($_GET['topic_id']);
wp_delete_post($announcement_id);
wp_safe_redirect(wp_get_referer());
}
public function enroll_now(){
//Checking if action comes from Enroll form
if ( ! isset($_POST['tutor_course_action']) || $_POST['tutor_course_action'] !== '_tutor_course_enroll_now' || ! isset($_POST['tutor_course_id']) ){
return;
}
//Checking Nonce
tutor_utils()->checking_nonce();
$user_id = get_current_user_id();
if ( ! $user_id){
exit(__('Please Sign In first', 'tutor'));
}
$course_id = (int) sanitize_text_field($_POST['tutor_course_id']);
$user_id = get_current_user_id();
/**
* TODO: need to check purchase information
*/
$is_purchasable = tutor_utils()->is_course_purchasable($course_id);
/**
* If is is not purchasable, it's free, and enroll right now
*
* if purchasable, then process purchase.
*
* @since: v.1.0.0
*/
if ($is_purchasable){
//process purchase
}else{
//Free enroll
tutor_utils()->do_enroll($course_id);
}
$referer_url = wp_get_referer();
wp_redirect($referer_url);
}
/**
*
* Mark complete completed
*
* @since v.1.0.0
*/
public function mark_course_complete(){
if ( ! isset($_POST['tutor_action']) || $_POST['tutor_action'] !== 'tutor_complete_course' ){
return;
}
//Checking nonce
tutor_utils()->checking_nonce();
$user_id = get_current_user_id();
//TODO: need to show view if not signed_in
if ( ! $user_id){
die(__('Please Sign-In', 'tutor'));
}
$course_id = (int) sanitize_text_field($_POST['course_id']);
do_action('tutor_course_complete_before', $course_id);
/**
* Marking course completed at Comment
*/
global $wpdb;
$date = date("Y-m-d H:i:s");
//Making sure that, hash is unique
do{
$hash = substr(md5(wp_generate_password(32).$date.$course_id.$user_id), 0, 16);
$hasHash = (int) $wpdb->get_var("SELECT COUNT(comment_ID) from {$wpdb->comments} WHERE comment_agent = 'TutorLMSPlugin' AND comment_type = 'course_completed' AND comment_content = '{$hash}' ");
}while($hasHash > 0);
$data = array(
'comment_post_ID' => $course_id,
'comment_author' => $user_id,
'comment_date' => $date,
'comment_date_gmt' => get_gmt_from_date($date),
'comment_content' => $hash, //Identification Hash
'comment_approved' => 'approved',
'comment_agent' => 'TutorLMSPlugin',
'comment_type' => 'course_completed',
'user_id' => $user_id,
);
$wpdb->insert($wpdb->comments, $data);
do_action('tutor_course_complete_after', $course_id);
wp_redirect(get_the_permalink($course_id));
}
public function tutor_load_instructors_modal(){
global $wpdb;
$course_id = (int) sanitize_text_field($_POST['course_id']);
$search_terms = sanitize_text_field(tutor_utils()->avalue_dot('search_terms', $_POST));
$saved_instructors = tutor_utils()->get_instructors_by_course($course_id);
$instructors = array();
$not_in_sql = apply_filters('tutor_instructor_query_when_exists', " AND ID <1 ");
if ($saved_instructors){
$saved_instructors_ids = wp_list_pluck($saved_instructors, 'ID');
$instructor_not_in_ids = implode(',', $saved_instructors_ids);
$not_in_sql .= "AND ID NOT IN($instructor_not_in_ids) ";
}
$search_sql = '';
if ($search_terms){
$search_sql = "AND user_login like '%{$search_terms}%' or user_nicename like '%{$search_terms}%' or display_name like '%{$search_terms}%' ";
}
$instructors = $wpdb->get_results("select ID, display_name from {$wpdb->users}
INNER JOIN {$wpdb->usermeta} ON ID = user_id AND meta_key = '_tutor_instructor_status' AND meta_value = 'approved'
WHERE ID > 0 {$not_in_sql} {$search_sql} limit 10 ");
$output = '';
if (is_array($instructors) && count($instructors)){
$instructor_output = '';
foreach ($instructors as $instructor){
$instructor_output .= "";
}
$output .= apply_filters('tutor_course_instructors_html', $instructor_output, $instructors);
$output .= '
'.__('Search to get the specific instructors', 'tutor').'
';
}else{
$output .= __('No instructor available or you have already added maximum instructors', 'tutor');
}
if ( ! defined('TUTOR_MT_VERSION')){
$output .= '
'. sprintf( __('To add unlimited multiple instructors in your course, get %sTutor LMS Pro%s', 'tutor'), '', "" ) .'
';
}
wp_send_json_success(array('output' => $output));
}
public function tutor_add_instructors_to_course(){
$course_id = (int) sanitize_text_field($_POST['course_id']);
$instructor_ids = tutor_utils()->avalue_dot('tutor_instructor_ids', $_POST);
if (is_array($instructor_ids) && count($instructor_ids)){
foreach ($instructor_ids as $instructor_id){
add_user_meta($instructor_id, '_tutor_instructor_course_id', $course_id);
}
}
$saved_instructors = tutor_utils()->get_instructors_by_course($course_id);
$output = '';
if ($saved_instructors){
foreach ($saved_instructors as $t){
$output .= '