silverstripe / deploynaut

	 * @param Member|null $member The {@link Member} object to test against.

	 * @return true if $member (or the currently logged in member if null) can upload this archive

	 */

	public function canRestore($member = null) {

		$memberID = $member ? $member->ID : Member::currentUserID();

		if(!$memberID) {

			return false;

		}

		$key = $memberID . '-' . $this->EnvironmentID;

		if(!isset(self::$_cache_can_restore[$key])) {

			self::$_cache_can_restore[$key] = $this->Environment()->canUploadArchive($member);

		}

		return self::$_cache_can_restore[$key];

	}

	 * @param Member|null $member The {@link Member} object to test against.

	 * @return true if $member (or the currently logged in member if null) can download this archive

	 */

	public function canDownload($member = null) {

		$memberID = $member ? $member->ID : Member::currentUserID();

		if(!$memberID) {

			return false;

		}

		$key = $memberID . '-' . $this->EnvironmentID;

		if(!isset(self::$_cache_can_download[$key])) {

			self::$_cache_can_download[$key] = $this->Environment()->canDownloadArchive($member);

		}

		return self::$_cache_can_download[$key];

	}