public function delete() {
        global $CFG, $DB;
        require_once($CFG->libdir.'/gradelib.php');
        require_once($CFG->dirroot.'/calendar/lib.php');

        $cm = get_coursemodule_from_instance('lesson', $this->properties->id, $this->properties->course);
        $context = context_module::instance($cm->id);

        $this->delete_all_overrides();

        grade_update('mod/lesson', $this->properties->course, 'mod', 'lesson', $this->properties->id, 0, null, array('deleted'=>1));

        // We must delete the module record after we delete the grade item.
        $DB->delete_records("lesson", array("id"=>$this->properties->id));
        $DB->delete_records("lesson_pages", array("lessonid"=>$this->properties->id));
        $DB->delete_records("lesson_answers", array("lessonid"=>$this->properties->id));
        $DB->delete_records("lesson_attempts", array("lessonid"=>$this->properties->id));
        $DB->delete_records("lesson_grades", array("lessonid"=>$this->properties->id));
        $DB->delete_records("lesson_timer", array("lessonid"=>$this->properties->id));
        $DB->delete_records("lesson_branch", array("lessonid"=>$this->properties->id));
        if ($events = $DB->get_records('event', array("modulename"=>'lesson', "instance"=>$this->properties->id))) {
            $coursecontext = context_course::instance($cm->course);
            foreach($events as $event) {
                $event->context = $coursecontext;
                $event = calendar_event::load($event);
                $event->delete();
            }
        }

        // Delete files associated with this module.
        $fs = get_file_storage();
        $fs->delete_area_files($context->id);

        return true;
    }
public function delete() {
        global $CFG, $DB;
        require_once($CFG->libdir.'/gradelib.php');
        require_once($CFG->dirroot.'/calendar/lib.php');

        $cm = get_coursemodule_from_instance('lesson', $this->properties->id, $this->properties->course);
        $context = context_module::instance($cm->id);

        $this->delete_all_overrides();

        grade_update('mod/lesson', $this->properties->course, 'mod', 'lesson', $this->properties->id, 0, null, array('deleted'=>1));

        // We must delete the module record after we delete the grade item.
        $DB->delete_records("lesson", array("id"=>$this->properties->id));
        $DB->delete_records("lesson_pages", array("lessonid"=>$this->properties->id));
        $DB->delete_records("lesson_answers", array("lessonid"=>$this->properties->id));
        $DB->delete_records("lesson_attempts", array("lessonid"=>$this->properties->id));
        $DB->delete_records("lesson_grades", array("lessonid"=>$this->properties->id));
        $DB->delete_records("lesson_timer", array("lessonid"=>$this->properties->id));
        $DB->delete_records("lesson_branch", array("lessonid"=>$this->properties->id));
        if ($events = $DB->get_records('event', array("modulename"=>'lesson', "instance"=>$this->properties->id))) {
            $coursecontext = context_course::instance($cm->course);
            foreach($events as $event) {
                $event->context = $coursecontext;
                $event = calendar_event::load($event);
                $event->delete();
            }
        }

        // Delete files associated with this module.
        $fs = get_file_storage();
        $fs->delete_area_files($context->id);

        return true;
    }
public function delete ( ) { global $ CFG , $ DB ; require_once ( $ CFG -> libdir . '/gradelib.php' ) ; require_once ( $ CFG -> dirroot . '/calendar/lib.php' ) ; $ cm = get_coursemodule_from_instance ( 'lesson' , $ this -> properties -> id , $ this -> properties -> course ) ; $ context = context_module :: instance ( $ cm -> id ) ; $ this -> delete_all_overrides ( ) ; grade_update ( 'mod/lesson' , $ this -> properties -> course , 'mod' , 'lesson' , $ this -> properties -> id , 0 , null , array ( 'deleted' => 1 ) ) ; // We must delete the module record after we delete the grade item. $ DB -> delete_records ( "lesson" , array ( "id" => $ this -> properties -> id ) ) ; $ DB -> delete_records ( "lesson_pages" , array ( "lessonid" => $ this -> properties -> id ) ) ; $ DB -> delete_records ( "lesson_answers" , array ( "lessonid" => $ this -> properties -> id ) ) ; $ DB -> delete_records ( "lesson_attempts" , array ( "lessonid" => $ this -> properties -> id ) ) ; $ DB -> delete_records ( "lesson_grades" , array ( "lessonid" => $ this -> properties -> id ) ) ; $ DB -> delete_records ( "lesson_timer" , array ( "lessonid" => $ this -> properties -> id ) ) ; $ DB -> delete_records ( "lesson_branch" , array ( "lessonid" => $ this -> properties -> id ) ) ; if ( $ events = $ DB -> get_records ( 'event' , array ( "modulename" => 'lesson' , "instance" => $ this -> properties -> id ) ) ) { $ coursecontext = context_course :: instance ( $ cm -> course ) ; foreach ( $ events as $ event ) { $ event -> context = $ coursecontext ; $ event = calendar_event :: load ( $ event ) ; $ event -> delete ( ) ; } } // Delete files associated with this module. $ fs = get_file_storage ( ) ; $ fs -> delete_area_files ( $ context -> id ) ; return true ; }
Deletes this lesson from the database
Deletes this lesson from the database