downloadBL.php
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<?php
/**
* $Id$
*
* Contains the business logic required to download a document.
*
* Expected form varaibles:
* o $fDocumentID - Primary key of document to view
*
* Copyright (c) 2003 Jam Warehouse http://www.jamwarehouse.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @version $Revision$
* @author Michael Joseph <michael@jamwarehouse.com>, Jam Warehouse (Pty) Ltd, South Africa
* @package documentmanagement
*/
require_once("../../../../config/dmsDefaults.php");
KTUtil::extractGPC('fDocumentID', 'fForInlineView', 'fVersion');
require_once("$default->fileSystemRoot/lib/security/Permission.inc");
require_once("$default->fileSystemRoot/lib/documentmanagement/PhysicalDocumentManager.inc");
require_once("$default->fileSystemRoot/lib/documentmanagement/DocumentTransaction.inc");
require_once("$default->fileSystemRoot/lib/documentmanagement/Document.inc");
require_once("$default->fileSystemRoot/lib/visualpatterns/PatternCustom.inc");
// start the session for a download- workaround for the IE SSL bug
if (checkSession(true)) {
if (isset($fDocumentID)) {
$oDocument = Document::get($fDocumentID);
if (Permission::userHasDocumentReadPermission($oDocument)) {
if (isset($fForInlineView)) {
$oDocumentTransaction = & new DocumentTransaction($fDocumentID, "Inline view", VIEW);
$oDocumentTransaction->create();
PhysicalDocumentManager::inlineViewPhysicalDocument($fDocumentID);
} else {
//if the user has document read permission, perform the download
if (isset($fVersion)) {
// we're downloading an old version of the document
$oDocumentTransaction = & new DocumentTransaction($fDocumentID, "Document version $fVersion downloaded", DOWNLOAD);
$oDocumentTransaction->create();
// if the document is currently checked out, and we're the version we're downloading
// is the same as the current version, then download the current version of the document
if ($oDocument->getIsCheckedOut() && ($fVersion == $oDocument->getVersion())) {
PhysicalDocumentManager::downloadPhysicalDocument($fDocumentID);
} else {
PhysicalDocumentManager::downloadVersionedPhysicalDocument($fDocumentID, $fVersion);
}
} else {
// download the current version
$oDocumentTransaction = & new DocumentTransaction($fDocumentID, "Document downloaded", DOWNLOAD);
$oDocumentTransaction->create();
PhysicalDocumentManager::downloadPhysicalDocument($fDocumentID);
}
exit;
}
} else {
require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
$oPatternCustom = new PatternCustom();
if ($oDocument) {
$oPatternCustom->setHtml("<a href=\"" . generateControllerLink("browse", "fFolderID=" . $oDocument->getFolderID()) . "\"><img src=\"" . KTHtml::getBackButton() . "\" border=\"0\" /></a>\n");
} else {
$oPatternCustom->setHtml("<a href=\"javascript:history.go(-1)\"><img src=\"" . KTHtml::getBackButton() . "\" border=\"0\" /></a>\n");
}
$main->setErrorMessage(_("Either you do not have permission to view this document, or the document you have chosen no longer exists on the file system."));
$main->setCentralPayload($oPatternCustom);
$main->render();
}
} else {
require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
$oPatternCustom = new PatternCustom();
$oPatternCustom->setHtml("<a href=\"javascript:history.go(-1)\"><img src=\"" . KTHtml::getBackButton() . "\" border=\"0\" /></a>\n");
$main->setErrorMessage(_("You have not chosen a document to view"));
$main->setCentralPayload($oPatternCustom);
$main->render();
}
}
?>