KTBulkExportPlugin.php
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<?php
/**
* $Id$
*
* KnowledgeTree Open Source Edition
* Document Management Made Simple
* Copyright (C) 2004 - 2008 The Jam Warehouse Software (Pty) Limited
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can contact The Jam Warehouse Software (Pty) Limited, Unit 1, Tramber Place,
* Blake Street, Observatory, 7925 South Africa. or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*
*/
require_once(KT_LIB_DIR . '/plugins/plugin.inc.php');
require_once(KT_LIB_DIR . '/plugins/pluginregistry.inc.php');
require_once(KT_LIB_DIR . '/browse/browseutil.inc.php');
require_once(KT_LIB_DIR . '/subscriptions/Subscription.inc');
require_once(KT_LIB_DIR . '/config/config.inc.php');
require_once(KT_LIB_DIR . '/foldermanagement/compressionArchiveUtil.inc.php');
class KTBulkExportPlugin extends KTPlugin {
var $sNamespace = "ktstandard.bulkexport.plugin";
function KTBulkExportPlugin($sFilename = null) {
$res = parent::KTPlugin($sFilename);
$this->sFriendlyName = _kt('Bulk Export Plugin');
return $res;
}
function setup() {
$this->registerAction('folderaction', 'KTBulkExportAction', 'ktstandard.bulkexport.action');
}
}
require_once(KT_LIB_DIR . '/actions/folderaction.inc.php');
class KTBulkExportAction extends KTFolderAction {
var $sName = 'ktstandard.bulkexport.action';
var $sPermissionName = "ktcore.permissions.read";
var $_sShowPermission = "ktcore.permissions.read";
function getDisplayName() {
return _kt('Bulk Download');
}
function do_main() {
$folderName = $this->oFolder->getName();
$this->oZip = new ZipFolder($folderName);
if(!$this->oZip->checkConvertEncoding()) {
redirect(KTBrowseUtil::getUrlForFolder($oFolder));
exit(0);
}
$oStorage =& KTStorageManagerUtil::getSingleton();
$aQuery = $this->buildQuery();
$this->oValidator->notError($aQuery);
$aDocumentIds = DBUtil::getResultArrayKey($aQuery, 'id');
/* Modified 07/09/2007 by megan_w */
// Get all the folders within the current folder
$sCurrentFolderId = $this->oFolder->getId();
$sWhereClause = "parent_folder_ids = '{$sCurrentFolderId}' OR
parent_folder_ids LIKE '{$sCurrentFolderId},%' OR
parent_folder_ids LIKE '%,{$sCurrentFolderId},%' OR
parent_folder_ids LIKE '%,{$sCurrentFolderId}'";
$aFolderList = $this->oFolder->getList($sWhereClause);
/* End modified */
$this->startTransaction();
$oKTConfig =& KTConfig::getSingleton();
$bNoisy = $oKTConfig->get("tweaks/noisyBulkOperations");
$bNotifications = ($oKTConfig->get('export/enablenotifications', 'on') == 'on') ? true : false;
// Redirect if there are no documents and no folders to export
if (empty($aDocumentIds) && empty($aFolderList)) {
$this->addErrorMessage(_kt("No documents found to export"));
redirect(KTBrowseUtil::getUrlForFolder($oFolder));
exit(0);
}
$this->oPage->template = "kt3/minimal_page";
$this->handleOutput("");
// Create associative array of folder items for use by the contained documents
$aFolderObjects = array();
$aFolderObjects[$sCurrentFolderId] = $this->oFolder;
// Export the folder structure to ensure the export of empty directories
if(!empty($aFolderList)){
foreach($aFolderList as $k => $oFolderItem){
$this->oZip->addFolderToZip($oFolderItem);
$aFolderObjects[$oFolderItem->getId()] = $oFolderItem;
}
}
if(!empty($aDocumentIds)){
foreach ($aDocumentIds as $iId) {
$oDocument = Document::get($iId);
$sFolderId = $oDocument->getFolderID();
$oFolder = isset($aFolderObjects[$sFolderId]) ? $aFolderObjects[$sFolderId] : Folder::get($sFolderId);
if ($bNoisy) {
$oDocumentTransaction = & new DocumentTransaction($oDocument, "Document part of bulk export", 'ktstandard.transactions.bulk_export', array());
$oDocumentTransaction->create();
}
// fire subscription alerts for the downloaded document
if($bNotifications){
$oSubscriptionEvent = new SubscriptionEvent();
$oSubscriptionEvent->DownloadDocument($oDocument, $oFolder);
}
$this->oZip->addDocumentToZip($oDocument, $oFolder);
}
}
$sExportCode = $this->oZip->createZipFile(TRUE);
$oTransaction = KTFolderTransaction::createFromArray(array(
'folderid' => $this->oFolder->getId(),
'comment' => "Bulk export",
'transactionNS' => 'ktstandard.transactions.bulk_export',
'userid' => $_SESSION['userID'],
'ip' => Session::getClientIP(),
));
$url = KTUtil::addQueryStringSelf(sprintf('action=downloadZipFile&fFolderId=%d&exportcode=%s', $this->oFolder->getId(), $sExportCode));
printf('<p>' . _kt('Your download will begin shortly. If you are not automatically redirected to your download, please click <a href="%s">here</a> ') . "</p>\n", $url);
$folderurl = KTBrowseUtil::getUrlForFolder($this->oFolder);
printf('<p>' . _kt('Once your download is complete, click <a href="%s">here</a> to return to the original folder') . "</p>\n", $folderurl);
printf("</div></div></body></html>\n");
printf('<script language="JavaScript">
function kt_bulkexport_redirect() {
document.location.href = "%s";
}
callLater(1, kt_bulkexport_redirect);
</script>', $url);
$this->commitTransaction();
exit(0);
}
function buildQuery() {
$oUser = User::get($_SESSION['userID']);
$res = KTSearchUtil::permissionToSQL($oUser, $this->sPermissionName);
if (PEAR::isError($res)) {
return $res;
}
list($sPermissionString, $aPermissionParams, $sPermissionJoin) = $res;
$aPotentialWhere = array($sPermissionString, 'D.folder_id = ? OR D.parent_folder_ids = ? OR D.parent_folder_ids LIKE ?', 'D.status_id = 1');
$aWhere = array();
foreach ($aPotentialWhere as $sWhere) {
if (empty($sWhere)) {
continue;
}
if ($sWhere == "()") {
continue;
}
$aWhere[] = sprintf("(%s)", $sWhere);
}
$sWhere = "";
if ($aWhere) {
$sWhere = "\tWHERE " . join(" AND ", $aWhere);
}
$sSelect = KTUtil::arrayGet($aOptions, 'select', 'D.id');
$sQuery = sprintf("SELECT %s FROM %s AS D
LEFT JOIN %s AS DM ON D.metadata_version_id = DM.id
LEFT JOIN %s AS DC ON DM.content_version_id = DC.id
%s %s",
$sSelect, KTUtil::getTableName("documents"),
KTUtil::getTableName("document_metadata_version"),
KTUtil::getTableName("document_content_version"),
$sPermissionJoin, $sWhere);
$aParams = array();
$aParams = kt_array_merge($aParams, $aPermissionParams);
$aParentFolderIds = split(',', $this->oFolder->getParentFolderIds());
$aParentFolderIds[] = $this->oFolder->getId();
if ($aParentFolderIds[0] == 0) {
array_shift($aParentFolderIds);
}
$sParentFolderIds = join(',', $aParentFolderIds);
$aParams[] = $this->oFolder->getId();
$aParams[] = $sParentFolderIds;
$aParams[] = $sParentFolderIds . ",%";
return array($sQuery, $aParams);
}
function do_downloadZipFile() {
$sCode = $this->oValidator->validateString($_REQUEST['exportcode']);
$folderName = $this->oFolder->getName();
$this->oZip = new ZipFolder($folderName);
if(!$this->oZip->downloadZipFile($sCode)){
redirect(generateControllerUrl("browse", "fBrowseType=folder&fFolderId=" . $this->oFolder->getId()));
}
exit(0);
}
}
$oPluginRegistry =& KTPluginRegistry::getSingleton();
$oPluginRegistry->registerPlugin('KTBulkExportPlugin', 'ktstandard.bulkexport.plugin', __FILE__);
?>