silverstripe / silverstripe-cms

     * @return HTTPResponse

     * @throws HTTPResponse_Exception

     */

    public function delete($data, $form)

    {

        $id = $data['ID'];

        $record = SiteTree::get()->byID($id);

        if ($record && !$record->canDelete()) {

            return Security::permissionFailure();

        }

        if (!$record || !$record->ID) {

            throw new HTTPResponse_Exception("Bad record ID #$id", 404);

        }

        // Delete record

        $record->delete();

        $this->getResponse()->addHeader(

            'X-Status',

            rawurlencode(sprintf(_t('CMSMain.REMOVEDPAGEFROMDRAFT', "Removed '%s' from the draft site"), $record->Title))

        );

        // Even if the record has been deleted from stage and live, it can be viewed in "archive mode"

        return $this->getResponseNegotiator()->respond($this->getRequest());

    }

    /**

     * @return HTTPResponse

     * @throws HTTPResponse_Exception

     */

    public function archive($data, $form)

    {

        $id = $data['ID'];

        /** @var SiteTree $record */

        $record = SiteTree::get()->byID($id);

        if (!$record || !$record->exists()) {

            throw new HTTPResponse_Exception("Bad record ID #$id", 404);

        }

        if (!$record->canArchive()) {

            return Security::permissionFailure();

        }

        // Archive record

        $record->doArchive();

        $this->getResponse()->addHeader(

            'X-Status',

            rawurlencode(sprintf(_t('CMSMain.ARCHIVEDPAGE', "Archived page '%s'"), $record->Title))

        );

        // Even if the record has been deleted from stage and live, it can be viewed in "archive mode"

        return $this->getResponseNegotiator()->respond($this->getRequest());

    }

    public function publish($data, $form)