original_string: public function get_context(event_interface $event) {
          global $USER;
  
          $courseid = $event->get_course() ? $event->get_course()->get('id') : null;
          $groupid = $event->get_group() ? $event->get_group()->get('id') : null;
          $userid = $event->get_user() ? $event->get_user()->get('id') : null;
          $moduleid = $event->get_course_module() ? $event->get_course_module()->get('id') : null;
  
          if (!empty($courseid)) {
              return \context_course::instance($event->get_course()->get('id'));
          } else if (!empty($groupid)) {
              $group = $this->get_group($event);
              return \context_course::instance($group->courseid);
          } else if (!empty($userid) && $userid == $USER->id) {
              return \context_user::instance($userid);
          } else if (!empty($userid) && $userid != $USER->id && $moduleid && $moduleid > 0) {
              $cm = $this->get_course_module($event);
              return \context_course::instance($cm->course);
          } else {
              return \context_user::instance($userid);
          }
      }
code: public function get_context(event_interface $event) {
          global $USER;
  
          $courseid = $event->get_course() ? $event->get_course()->get('id') : null;
          $groupid = $event->get_group() ? $event->get_group()->get('id') : null;
          $userid = $event->get_user() ? $event->get_user()->get('id') : null;
          $moduleid = $event->get_course_module() ? $event->get_course_module()->get('id') : null;
  
          if (!empty($courseid)) {
              return \context_course::instance($event->get_course()->get('id'));
          } else if (!empty($groupid)) {
              $group = $this->get_group($event);
              return \context_course::instance($group->courseid);
          } else if (!empty($userid) && $userid == $USER->id) {
              return \context_user::instance($userid);
          } else if (!empty($userid) && $userid != $USER->id && $moduleid && $moduleid > 0) {
              $cm = $this->get_course_module($event);
              return \context_course::instance($cm->course);
          } else {
              return \context_user::instance($userid);
          }
      }
code_tokens: public function get_context ( event_interface $ event ) { global $ USER ; $ courseid = $ event -> get_course ( ) ? $ event -> get_course ( ) -> get ( 'id' ) : null ; $ groupid = $ event -> get_group ( ) ? $ event -> get_group ( ) -> get ( 'id' ) : null ; $ userid = $ event -> get_user ( ) ? $ event -> get_user ( ) -> get ( 'id' ) : null ; $ moduleid = $ event -> get_course_module ( ) ? $ event -> get_course_module ( ) -> get ( 'id' ) : null ; if ( ! empty ( $ courseid ) ) { return \ context_course :: instance ( $ event -> get_course ( ) -> get ( 'id' ) ) ; } else if ( ! empty ( $ groupid ) ) { $ group = $ this -> get_group ( $ event ) ; return \ context_course :: instance ( $ group -> courseid ) ; } else if ( ! empty ( $ userid ) && $ userid == $ USER -> id ) { return \ context_user :: instance ( $ userid ) ; } else if ( ! empty ( $ userid ) && $ userid != $ USER -> id && $ moduleid && $ moduleid > 0 ) { $ cm = $ this -> get_course_module ( $ event ) ; return \ context_course :: instance ( $ cm -> course ) ; } else { return \ context_user :: instance ( $ userid ) ; } }
docstring: Get the related context for a given event.
  
  @param event_interface $event The event object.
  @return context|null
docstring_tokens: Get the related context for a given event .