<?php
/**
 * $Id$
 *
 * Move document page.
 *
 * 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('fConfirmed', 'fDocumentIDs', 'fFolderID', 'fForMove', 'fRememberDocumentID');

require_once("$default->fileSystemRoot/lib/security/Permission.inc");
require_once("$default->fileSystemRoot/lib/users/User.inc");
require_once("$default->fileSystemRoot/lib/documentmanagement/DocumentTransaction.inc");
require_once("$default->fileSystemRoot/lib/documentmanagement/Document.inc");
require_once("$default->fileSystemRoot/lib/foldermanagement/Folder.inc");

require_once("$default->fileSystemRoot/lib/subscriptions/SubscriptionEngine.inc");

require_once("$default->fileSystemRoot/lib/visualpatterns/PatternTableSqlQuery.inc");
require_once("$default->fileSystemRoot/lib/visualpatterns/PatternCustom.inc");

require_once("$default->fileSystemRoot/presentation/lookAndFeel/knowledgeTree/documentmanagement/moveDocumentUI.inc");
require_once("$default->fileSystemRoot/presentation/lookAndFeel/knowledgeTree/foldermanagement/folderUI.inc");
require_once("$default->fileSystemRoot/presentation/Html.inc");

require_once(KT_LIB_DIR . '/storage/storagemanager.inc.php');
 
$aUnmovedDocs = array();

if (!checkSession()) {
    die();
}

if (isset($fRememberDocumentID)) {
    $fDocumentIDs = $_SESSION['documents'][$fRememberDocumentID];
} else {
    $sUniqueID = KTUtil::randomString();
    $_SESSION["documents"][$sUniqueID] = $fDocumentIDs;
    $fRememberDocumentID = $sUniqueID;
}


if (!isset($fDocumentIDs) || !isset($fFolderID)) {
    require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
    $oPatternCustom = & new PatternCustom();
    $oPatternCustom->setHtml("");
    $main->setCentralPayload($oPatternCustom);
    $main->setErrorMessage(_("No document/folder selected"));
    $main->render();
    exit(0);
}

if (!isset($fForMove)) {
    require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
    $oPatternCustom = & new PatternCustom();
    $oPatternCustom->setHtml(getPage($fFolderID, $fRememberDocumentID));
    $main->setCentralPayload($oPatternCustom);   
    $main->setFormAction($_SERVER["PHP_SELF"] . "?fForMove=1&fRememberDocumentID=$fRememberDocumentID&fFolderID=$fFolderID");
    $main->render();
    exit(0);
}

if (!$fConfirmed) {
    require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
    $oPatternCustom = & new PatternCustom();

    // Check for all docs
    for ($i = 0; $i < count($fDocumentIDs); $i++) {
        $oDocument = Document::get($fDocumentIDs[$i]);

        // check if the selected folder has the same document type as the document we're moving
        if (!Folder::folderIsLinkedToDocType($fFolderID, $oDocument->getDocumentTypeID())) {
            // the right document type isn't mapped
            $oPatternCustom->setHtml(getPage($fFolderID, $fRememberDocumentID, _("You can't move the document to this folder because it cannot store the document type of your document.") . "  " . _("Please choose another directory")));
            break;
        }

        // check that there is no filename collision in the destination directory				
        $sNewDocumentFileSystemPath = Folder::getFolderPath($fFolderID) . $oDocument->getFileName();

        if (file_exists($sNewDocumentFileSystemPath)) {
            // filename collision
            $oPatternCustom->setHtml(getPage($fFolderID, $fRememberDocumentID, _("This folder already contains a document of the same name.") . "  " . _("Please choose another directory")));
            break;
        }
        // display confirmation page
        $oPatternCustom->setHtml(getConfirmationPage($fFolderID, $fRememberDocumentID));
    }
    $main->setFormAction($_SERVER["PHP_SELF"] . "?fForMove=1&fRememberDocumentID=$fRememberDocumentID&fFolderID=$fFolderID");				
    $main->setCentralPayload($oPatternCustom);
    $main->render();				
    exit(0);
}

$oStorage =& KTStorageManagerUtil::getSingleton();

for ($i = 0; $i < count($fDocumentIDs); $i++) {

    //we're trying to move a document
    $oDocument = & Document::get($fDocumentIDs[$i]);
    $iOldFolderID = $oDocument->getFolderID();
    $oOldFolder =& Folder::get($iOldFolderID);
    $oNewFolder = & Folder::get($fFolderID);

    // check that there is no filename collision in the destination directory				
    $sNewDocumentFileSystemPath = Folder::getFolderPath($fFolderID) . $oDocument->getFileName();

    if (file_exists($sNewDocumentFileSystemPath)) {
        // Store the doc with problem
        array_push($aUnmovedDocs, array($oDocument, _("This folder already contains a document of the same name. Please choose another directory")));
        continue;
    }

    if (!Permission::userHasDocumentWritePermission($oDocument) || !Permission::userHasFolderWritePermission($oNewFolder)) {
        array_push($aUnmovedDocs, array($oDocument, _("You do not have rights to move this document")));
        continue;
    }

    //put the document in the new folder
    $oDocument->setFolderID($fFolderID);
    if (!$oDocument->update(true)) {
        //had a problem with the database					
        array_push($aUnmovedDocs, array($oDocument, _("Could not update document in database")));
        continue;
    }

    //move the document on the file system
    if (!$oStorage->moveDocument($oDocument, $oOldFolder, $oNewFolder)) {
        $oDocument->setFolderID($iOldFolderID);
        $oDocument->update(true);

        // Store the doc with problem
        array_push($aUnmovedDocs, array($oDocument, _("Could not move document on file system")));
        continue;
    }
    $oDocument->update();

    $sMoveMessage = sprintf("Moved from %s/%s to %s/%s",
        $oOldFolder->getFullPath(),
        $oOldFolder->getName(),
        $oNewFolder->getFullPath(),
        $oNewFolder->getName());

    // create the document transaction record
    $oDocumentTransaction = & new DocumentTransaction($oDocument->getID(), $sMoveMessage, MOVE);
    $oDocumentTransaction->create();

    // fire subscription alerts for the moved document (and the folder its in)
    $count = SubscriptionEngine::fireSubscription($fDocumentIDs[$i], SubscriptionConstants::subscriptionAlertType("MovedDocument"),
        SubscriptionConstants::subscriptionType("DocumentSubscription"),
        array(
            "folderID" => $iOldFolderID,
            "modifiedDocumentName" => $oDocument->getName(),
            "oldFolderName" => Folder::getFolderName($iOldFolderID),
            "newFolderName" => Folder::getFolderName($fFolderID),
        )
    );
    $default->log->info("moveDocumentBL.php fired $count subscription alerts for moved document " . $oDocument->getName());
        
    // fire folder subscriptions for the destination folder
    $count = SubscriptionEngine::fireSubscription($fFolderID, SubscriptionConstants::subscriptionAlertType("MovedDocument"),
        SubscriptionConstants::subscriptionType("FolderSubscription"),
        array(
            "folderID" => $iOldFolderID,
            "modifiedDocumentName" => $oDocument->getName(),
            "oldFolderName" => Folder::getFolderName($iOldFolderID),
            "newFolderName" => Folder::getFolderName($fFolderID),
        )
    );
    $default->log->info("moveDocumentBL.php fired $count (folderID=$fFolderID) folder subscription alerts for moved document " . $oDocument->getName());
}

// Move terminated

// List undeleted documents
if (!empty($aUnmovedDocs) ) {
    require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");			
    $oPatternCustom = & new PatternCustom();

    $sError = _("An error occured moving the following document(s):") . " <br><br>";
    foreach ($aUnmovedDocs as $oDoc) {
        $sError .= $oDoc[0]->getDisplayPath() . ":&nbsp;&nbsp;&nbsp;" .$oDoc[1] . "<br>";
    } 
    $sError .= "<br>" . _("The other documents are been moved.");

    $oPatternCustom = & new PatternCustom();
    $oPatternCustom->setHtml(renderErrorPage($sError));
    $main->setCentralPayload($oPatternCustom);   
    $main->render();
    reset($aUnmovedDocs);
    exit(0);
}

// redirect to the browse folder page							
redirect("$default->rootUrl/control.php?action=browse&fFolderID=" . $oDocument->getFolderID());

?>