final public function delete($downloadcontents = false) {
        global $DB;
        if ($downloadcontents) {
            $this->convert_references_to_local();
        } else {
            $this->remove_files();
        }
        cache::make('core', 'repositories')->purge();
        try {
            $DB->delete_records('repository_instances', array('id'=>$this->id));
            $DB->delete_records('repository_instance_config', array('instanceid'=>$this->id));
        } catch (dml_exception $ex) {
            return false;
        }
        return true;
    }
final public function delete($downloadcontents = false) {
        global $DB;
        if ($downloadcontents) {
            $this->convert_references_to_local();
        } else {
            $this->remove_files();
        }
        cache::make('core', 'repositories')->purge();
        try {
            $DB->delete_records('repository_instances', array('id'=>$this->id));
            $DB->delete_records('repository_instance_config', array('instanceid'=>$this->id));
        } catch (dml_exception $ex) {
            return false;
        }
        return true;
    }
final public function delete ( $ downloadcontents = false ) { global $ DB ; if ( $ downloadcontents ) { $ this -> convert_references_to_local ( ) ; } else { $ this -> remove_files ( ) ; } cache :: make ( 'core' , 'repositories' ) -> purge ( ) ; try { $ DB -> delete_records ( 'repository_instances' , array ( 'id' => $ this -> id ) ) ; $ DB -> delete_records ( 'repository_instance_config' , array ( 'instanceid' => $ this -> id ) ) ; } catch ( dml_exception $ ex ) { return false ; } return true ; }
delete a repository instance

@param bool $downloadcontents
@return bool
delete a repository instance