source: contrib/z-push/backend/BackendProxy.php @ 3754

<?php
/***********************************************
 * File      :   BackendProxy.php
 * Project   :   Z-Push
 * Descr     :   It route calls to three Backends thru one interface.
 *
 * Created   :   04.10.2010 - emerson-faria.nobre@serpro.gov.br
 *
 * ￜ Zarafa Deutschland GmbH, www.zarafaserver.de
 * This file is distributed under GPL v2.
 * Consult LICENSE file for details
 ************************************************/
include_once('diffbackend.php');

class BackendProxy extends BackendDiff {
        var $BackendEmail;
        var $BackendContacts;
        var $BackendCalendar;
        var $folderid;

        function __construct()
        {
                global $BACKEND_EMAIL, $BACKEND_CONTACTS, $BACKEND_CALENDAR;
                if (isset($BACKEND_EMAIL)) $this->BackendEmail = new $BACKEND_EMAIL();
                if (isset($BACKEND_CONTACTS)) $this->BackendContacts = new $BACKEND_CONTACTS();
                if (isset($BACKEND_CALENDAR)) $this->BackendCalendar = new $BACKEND_CALENDAR();
        }

        function Logon($username, $domain, $password) {
                global $BACKEND_EMAIL;
                if (isset($BACKEND_EMAIL)) return $this->BackendEmail->Logon($username, $domain, $password);
                else return true;
        }

        function Logoff() {
                global $BACKEND_EMAIL;
                if (isset($BACKEND_EMAIL)) return $this->BackendEmail->Logoff();
                else return true;
        }

        function Setup($user, $devid, $protocolversion) {
                debugLog('BackendProxy::Setup('.$user.','.$devid.','.$protocolversion.')');
                global $BACKEND_EMAIL, $BACKEND_CONTACTS, $BACKEND_CALENDAR;
                $this->_user = $user;
                $this->_devid = $devid;
                $this->_protocolversion = $protocolversion;
                if (isset($BACKEND_EMAIL)) $this->BackendEmail->Setup($user, $devid, $protocolversion);
                if (isset($BACKEND_CONTACTS)) $this->BackendContacts->Setup($user, $devid, $protocolversion);
                if (isset($BACKEND_CALENDAR)) $this->BackendCalendar->Setup($user, $devid, $protocolversion);
                return true;
        }

        function GetExporter($folderid = false) {
                $this->folderid = $folderid;
                return parent::GetExporter($folderid);
        }

        function SendMail($rfc822, $forward = false, $reply = false, $parent = false) {
                global $BACKEND_EMAIL;
                if (isset($BACKEND_EMAIL)) return $this->BackendEmail->SendMail($rfc822, $forward, $reply, $parent);
                else return false;
        }

        function GetWasteBasket() {
                if (isset($BACKEND_EMAIL)) return $this->BackendEmail->GetWasteBasket();
                else return false;
        }

        function GetMessageList($folderid, $cutoffdate) {
                if ($folderid == 'root') {
                        return $this->BackendContacts->GetMessageList($folderid, $cutoffdate);
                } else if ($folderid == 'calendar') {
                        return $this->BackendCalendar->GetMessageList($folderid, $cutoffdate);
                } else return $this->BackendEmail->GetMessageList($folderid, $cutoffdate);
        }

        function GetFolderList() {
                global $BACKEND_EMAIL, $BACKEND_CONTACTS, $BACKEND_CALENDAR;
                $folders = Array();
                if (isset($BACKEND_EMAIL)) $folders += $this->BackendEmail->GetFolderList();
                if (isset($BACKEND_CALENDAR)) array_push($folders, $this->BackendCalendar->GetFolderList());
                if (isset($BACKEND_CONTACTS)) array_push($folders, $this->BackendContacts->GetFolderList());
                return $folders;
        }

        function GetFolder($id) {
                if ($id == 'root') {
                        return $this->BackendContacts->GetFolder($id);
                } else if ($id == 'calendar') {
                        return $this->BackendCalendar->GetFolder($id);
                } else return $this->BackendEmail->GetFolder($id);
        }

        function StatFolder($id) {
                if ($id == 'root') {
                        return $this->BackendContacts->StatFolder($id);
                } else if ($id == 'calendar') {
                        return $this->BackendCalendar->StatFolder($id);
                } else return $this->BackendEmail->StatFolder($id);
        }

        function GetAttachmentData($attname) {
                list($folderid, $id, $part) = explode(":", $attname);
                if ($folderid == 'root') {
                        return $this->BackendContacts->GetAttachmentData($attname);
                } else if ($folderid == 'calendar') {
                        return $this->BackendCalendar->GetAttachmentData($attname);
                } else return $this->BackendEmail->GetAttachmentData($attname);
        }

        function StatMessage($folderid, $id) {
                if ($folderid == 'root') {
                        return $this->BackendContacts->StatMessage($folderid, $id);
                } else if ($folderid == 'calendar') {
                        return $this->BackendCalendar->StatMessage($folderid, $id);
                } else return $this->BackendEmail->StatMessage($folderid, $id);
        }

        function GetMessage($folderid, $id, $truncsize, $mimesupport = 0) {
                if ($folderid == 'root') {
                        return $this->BackendContacts->GetMessage($folderid, $id, $truncsize, $mimesupport = 0);
                } else if ($folderid == 'calendar') {
                        return $this->BackendCalendar->GetMessage($folderid, $id, $truncsize, $mimesupport = 0);
                } else return $this->BackendEmail->GetMessage($folderid, $id, $truncsize, $mimesupport = 0);
        }

        function DeleteMessage($folderid, $id) {
                if ($folderid == 'root') {
                        return $this->BackendContacts->DeleteMessage($folderid, $id);
                } else if ($folderid == 'calendar') {
                        return $this->BackendCalendar->DeleteMessage($folderid, $id);
                } else return $this->BackendEmail->DeleteMessage($folderid, $id);
        }

        function SetReadFlag($folderid, $id, $flags) {
                if ($folderid == 'root') {
                        return $this->BackendContacts->SetReadFlag($folderid, $id, $flags);
                } else if ($folderid == 'calendar') {
                        return $this->BackendCalendar->SetReadFlag($folderid, $id, $flags);
                } else return $this->BackendEmail->SetReadFlag($folderid, $id, $flags);
        }

        function ChangeMessage($folderid, $id, $message) {
                if ($folderid == 'root') {
                        return $this->BackendContacts->ChangeMessage($folderid, $id, $message);
                } else if ($folderid == 'calendar') {
                        return $this->BackendCalendar->ChangeMessage($folderid, $id, $message);
                } else return $this->BackendEmail->ChangeMessage($folderid, $id, $message);
        }

        function MoveMessage($folderid, $id, $newfolderid) {
                if ($folderid == 'root') {
                        return $this->BackendContacts->MoveMessage($folderid, $id, $newfolderid);
                } else if ($folderid == 'calendar') {
                        return $this->BackendCalendar->MoveMessage($folderid, $id, $newfolderid);
                } else return $this->BackendEmail->MoveMessage($folderid, $id, $newfolderid);
        }

        function AlterPing() {
                if ($this->folderid == 'root') {
                        return false;
                } else if ($this->folderid == 'calendar') {
                        return false;
                } else return true;
        }

        function AlterPingChanges($folderid, &$syncstate) {
                if ($folderid == 'root') {
                        return $this->BackendContacts->AlterPingChanges($folderid, &$syncstate);
                } else if ($folderid == 'calendar') {
                        return $this->BackendCalendar->AlterPingChanges($folderid, &$syncstate);
                } else return $this->BackendEmail->AlterPingChanges($folderid, &$syncstate);
        }
};
?>