ezsystems / ezpublish-kernel

     *

     * @return \eZ\Publish\Core\REST\Server\Values\NoContent

     */

    public function deleteContentVersion($contentId, $versionNumber)

    {

        $versionInfo = $this->repository->getContentService()->loadVersionInfo(

            $this->repository->getContentService()->loadContentInfo($contentId),

            $versionNumber

        );

        if ($versionInfo->status === VersionInfo::STATUS_PUBLISHED) {

            throw new ForbiddenException('Version in status PUBLISHED cannot be deleted');

        }

        $this->repository->getContentService()->deleteVersion(

            $versionInfo

        );

        return new Values\NoContent();

    }

    /**

     * The system creates a new draft version as a copy from the given version.

     *

     * @return \eZ\Publish\Core\REST\Server\Values\NoContent

     */

    public function publishVersion($contentId, $versionNumber)

    {

        $versionInfo = $this->repository->getContentService()->loadVersionInfo(

            $this->repository->getContentService()->loadContentInfo($contentId),

            $versionNumber

        );

        if ($versionInfo->status !== VersionInfo::STATUS_DRAFT) {

            throw new ForbiddenException('Only version in status DRAFT can be published');

        }

        $this->repository->getContentService()->publishVersion(

            $versionInfo

        );

        return new Values\NoContent();

    }

    /**

     * Redirects to the relations of the current version.