removeDocumentLinkBL.php
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<?php
/**
* $Id$
*
* Business logic for unlinking a parent document from a child documenbt
*
* Expected form variables:
* $fDocumentLinkID - primary key of document link to delete
* $fChildDocumentID - primary key of child document to which parent document is linked
* $fParentDocumentID - primary key of parent document
*
* 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 Rob Cherry, Jam Warehouse (Pty) Ltd, South Africa
* @package documentmanagement
*/
require_once("../../../../config/dmsDefaults.php");
if (checkSession()) {
require_once("$default->fileSystemRoot/lib/security/Permission.inc");
require_once("$default->fileSystemRoot/lib/documentmanagement/Document.inc");
require_once("$default->fileSystemRoot/lib/documentmanagement/DocumentLink.inc");
require_once("$default->fileSystemRoot/presentation/Html.inc");
require_once("documentUI.inc");
require_once("removeDocumentLinkUI.inc");
if (Permission::userHasDocumentWritePermission($fParentDocumentID)) {
if (isset($fForDelete)) {
//deleting a document link
$oDocumentLink = DocumentLink::get($fDocumentLinkID);
if ($oDocumentLink->delete()) {
controllerRedirect("viewDocument", "fDocumentID=$fParentDocumentID&fShowSection=linkedDocuments");
} else {
//an error occured whilst trying to delete the document link
require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
$oParentDocument = Document::get($fParentDocumentID);
$oChildDocument = Document::get($fChildDocumentID);
$oPatternCustom = & new PatternCustom();
$oPatternCustom->setHtml(getPage($oParentDocument->getName(), $oChildDocument->getName(), $fParentDocumentID));
$main->setCentralPayload($oPatternCustom);
$main->setFormAction($_SERVER["PHP_SELF"] . "?fDocumentLinkID=$fDocumentLinkID&fParentDocumentID=$fParentDocumentID&fChildDocumentID=$fChildDocumentID&fForDelete=1");
$main->setErrorMessage("An error occured whilst attempting to delete the link between the two documents");
$main->render();
}
} else {
//user has document write permission and can therefore remove the
//link between the two documents
require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
$oParentDocument = Document::get($fParentDocumentID);
$oChildDocument = Document::get($fChildDocumentID);
$oPatternCustom = & new PatternCustom();
$oPatternCustom->setHtml(getPage($oParentDocument->getName(), $oChildDocument->getName(), $fParentDocumentID));
$main->setCentralPayload($oPatternCustom);
$main->setFormAction($_SERVER["PHP_SELF"] . "?fDocumentLinkID=$fDocumentLinkID&fParentDocumentID=$fParentDocumentID&fChildDocumentID=$fChildDocumentID&fForDelete=1");
$main->render();
}
} else {
//user does not have permission to be here
require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
$oPatternCustom = & new PatternCustom();
$oPatternCustom->setHtml("");
$main->setCentralPayload($oPatternCustom);
$main->setErrorMessage("You do not have permission to delete links between documents");
$main->render();
}
}
?>