bbb integration

add_filter('bp_course_api_get_user_course_status_item',function ($return, $request){
    if(!class_exists('Wplms_Bbb'))
      return $return;
    global $wpdb;
    $user_token = $request->get_header('authorization');
    $user_id = $wpdb->get_var("SELECT user_id FROM {$wpdb->usermeta} WHERE meta_key = '$user_token'");
    $version =  bp_course_get_setting( 'app_version', 'api','number' );
    if(!is_numeric($user_id)){
        return $return;
    }
    $course_id = $request['course'];  
    $item_id = $request['id'];  
    $bbb_obj = Wplms_Bbb::init();
    $unit_obj =get_post($item_id);
    $unit_content = $unit_obj->post_content;
    

    //for bbb
    if(false !== strpos($unit_content,'wplms_bbb')){
      preg_match_all( '/' . get_shortcode_regex(array('wplms_bbb')) . '/', $unit_content, $matches6, PREG_SET_ORDER );
        if ( !empty( $matches6 ) ){
          foreach ( $matches6 as $shortcode4 ) {
            preg_match('/token=[\'|"](.*?)[\'|"]/',$shortcode4[3],$token);

            if(!empty($token[1])){
                if(empty($token[1]) || empty($bbb_obj->wplms_bbb_meetings))
                    return $return;
                $meeting = $bbb_obj->get_meeting($token[1]);
                if(empty($meeting ))
                    return $return;
                $users = $bbb_obj->users_from_restriction( $meeting,1);
                if(!empty($users) && !in_array($user_id , $users))
                    return $return;

                

                if(!empty($meeting['start_date'])){
                    $start_time = strtotime($meeting['start_date'].' '.$meeting['start_time']);
                    $actual_start_time = $start_time = strtotime($meeting['start_date'].' '.$meeting['start_time']);
                    $timestamp = 0;
                    $offset = $bbb_obj->offset;
                    $utc_time = time();
                    if($offset > 0){//means gmt offset is in positive
                        $start_time = $start_time - (abs($offset)*60*60);
                        $utc_time = $utc_time - (abs($offset)*60*60);

                    }else{//means gmt offset is in negative
                        $start_time = $start_time + (abs($offset)*60*60);
                        $utc_time = $utc_time + (abs($offset)*60*60);
                    }
                        
                }
                $meeting_expiry_time = $start_time + ($meeting['duration']['duration']*$meeting['duration']['parameter']);
                $meeting_expiry_time_gmt = $actual_start_time + ($meeting['duration']['duration']*$meeting['duration']['parameter']);
                if($meeting_expiry_time <= time()){
                    $format = get_option( 'date_format' ).' '.get_option('time_format');;
                    $display_expire_time = date_i18n($format ,$meeting_expiry_time_gmt );
                    $return['content'] .='<div class="message">'. sprintf(_x('Meeting Expired on %s','meeting expired','wplms-bbb'),$display_expire_time).'</div><br>';
                }else{
                    global $wpdb, $wp_roles, $wp_version, $current_site;
                    $current_user = get_user_by('id',$user_id);
                    $dataSubmitted = true;
                    $meetingExist = true;
                    $url_val = get_option('bigbluebutton_url');
                    $salt_val = get_option('bigbluebutton_salt');
                    $permissions = get_option('bigbluebutton_permissions');

                    $logouturl = admin_url('admin-ajax.php').'?action=meeting_logout&meeting='.$meeting['id'].'&meeting_security='.wp_create_nonce('meeting_logout'.$user_id);
                    $meetingID = $meeting['id'];
                    $role = null;
                    if( $current_user->ID ) {
                        $role = "unregistered";
                        foreach($wp_roles->role_names as $_role => $Role) {
                            if (array_key_exists($_role, $current_user->caps)) {
                                $role = $_role;
                                break;
                            }
                        }
                    } else {
                        $role = "anonymous";
                    }
                    $table_name = $wpdb->prefix . "bigbluebutton";
                    $table_logs_name = $wpdb->prefix . "bigbluebutton_logs";
                    $sql = "SELECT * FROM ".$table_name." WHERE meetingID = %s";
                    $found = $wpdb->get_row(
                            $wpdb->prepare($sql, $meetingID)
                    );
                    if( $found ) {
                        $found->meetingID = bigbluebutton_normalizeMeetingID($found->meetingID);
                        if( !$current_user->ID ) {
                            $name = _x('Anonymous','','wplms-bbb');
                            
                            if( bigbluebutton_validate_defaultRole($role, 'none') ) {
                                $password = sanitize_text_field($_POST['pwd']);
                            } else {
                                $password = $permissions[$role]['defaultRole'] == 'none'? $found->moderatorPW: $found->attendeePW;
                            }
                                
                        } else {
                            if( $current_user->display_name != '' ) {
                                $name = $current_user->display_name;
                            } else if( $current_user->user_firstname != '' || $current_user->user_lastname != '' ) {
                                $name = $current_user->user_firstname != ''? $current_user->user_firstname.' ': '';
                                $name .= $current_user->user_lastname != ''? $current_user->user_lastname.' ': '';
                            } else if( $current_user->user_login != '') {
                                $name = $current_user->user_login;
                            } else {
                                $name = $role;
                            }
                            if( bigbluebutton_validate_defaultRole($role, 'none') ) {
                                $password = sanitize_text_field($_POST['pwd']);
                            } else {
                                $password = $permissions[$role]['defaultRole'] == 'moderator'? $found->moderatorPW: $found->attendeePW;
                            }

                        }

                        //Extra parameters
                        $recorded = $found->recorded;
                        $welcome = (isset($args['welcome']))? html_entity_decode($args['welcome']): BIGBLUEBUTTON_STRING_WELCOME;
                        if( $recorded ) $welcome .= BIGBLUEBUTTON_STRING_MEETING_RECORDED;
                        $duration = 0;
                        $voicebridge = (isset($args['voicebridge']))? html_entity_decode($args['voicebridge']): 0;
                        

                        //Metadata for tagging recordings
                        $metadata = Array(
                                'meta_origin' => 'WordPress',
                                'meta_originversion' => $wp_version,
                                'meta_origintag' => 'wp_plugin-bigbluebutton '.BIGBLUEBUTTON_PLUGIN_VERSION,
                                'meta_originservername' => home_url(),
                                'meta_originservercommonname' => get_bloginfo('name'),
                                'meta_originurl' => $logouturl
                        );
                        //Call for creating meeting on the bigbluebutton server
                        $response = BigBlueButton::createMeetingArray($name, $found->meetingID, $found->meetingName, $welcome, $found->moderatorPW, $found->attendeePW, $salt_val, $url_val, $logouturl, $recorded? 'true':'false', $duration, $voicebridge, $metadata );
                        //Analyzes the bigbluebutton server's response
                        if(!$response || $response['returncode'] == 'FAILED' ) {//If the server is unreachable, or an error occured
                            $out .= "Sorry an error occured while joining the meeting.";
                            $return['conetnt'] .= $out;
                             
                        } else{ //The user can join the meeting, as it is valid
                            if( !isset($response['messageKey']) || $response['messageKey'] == '' ) {
                                // The meeting was just created, insert the create event to the log
                                $rows_affected = $wpdb->insert( $table_logs_name, array( 'meetingID' => $found->meetingID, 'recorded' => $found->recorded, 'timestamp' => time(), 'event' => 'Create' ) );
                            }
                            $bigbluebutton_joinURL = BigBlueButton::getJoinURL($found->meetingID, $name, $password, $salt_val, $url_val );
                            //If the meeting is already running or the moderator is trying to join or a viewer is trying to join and the
                            //do not wait for moderator option is set to false then the user is immediately redirected to the meeting
                            if ( (BigBlueButton::isMeetingRunning( $found->meetingID, $url_val, $salt_val ) && ($found->moderatorPW == $password || $found->attendeePW == $password ) )
                                    || $response['moderatorPW'] == $password
                                    || ($response['attendeePW'] == $password && !$found->waitForModerator)  ) {
                                //If the password submitted is correct then the user gets redirected

                                $url = $bigbluebutton_joinURL;
                                
                            }else if ($found->attendeePW == $password) {
                                $_SESSION['mt_bbb_url'] = $url_val;
                                $_SESSION['mt_salt'] = $salt_val;
                                $url = $bigbluebutton_joinURL;
                            }
                        }
                    }
                }



                if(!empty($url)){
                    if(empty($return['meta']['iframes_bbb'])){

                      if(!empty($version) && $version > 2){

                        $return['meta']['iframes_bbb'] = array(array('shortcode'=>'wplms_bbb','value'=>$url));
                      }else{

                        $return['meta']['iframes_bbb'] = array($url);
                      }
                      
                    }else{

                          if(!empty($version) && $version > 2){
                            $return['meta']['iframes_bbb'][] = array('shortcode'=>'wplms_bbb','value'=>$url);
                          }else{

                            $return['meta']['iframes_bbb'][] = $url;
                          }
                      
                    }
                }
            }
          } 
        }

        $regex = get_shortcode_regex(array('wplms_bbb'));
        $return['content'] = preg_replace("/$regex/s", " ", $return['content']);
    }
    return $return;
},10,2);