deleteFolderBL.php
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<?php
/**
* Business logic concerned with the deletion of a folder.
* Will use deleteFolderUI.inc for presentation functionality.
*
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* @version $Revision$
* @author Michael Joseph <michael@jamwarehouse.com>, Jam Warehouse (Pty) Ltd, South Africa
* @package presentation.lookAndFeel.knowledgeTree.foldermanagement
*/
require_once("../../../../config/dmsDefaults.php");
require_once("$default->fileSystemRoot/lib/foldermanagement/Folder.inc");
require_once("$default->fileSystemRoot/lib/foldermanagement/PhysicalFolderManagement.inc");
require_once("$default->fileSystemRoot/lib/users/User.inc");
require_once("$default->fileSystemRoot/lib/subscriptions/SubscriptionEngine.inc");
require_once("$default->fileSystemRoot/lib/visualpatterns/PatternCustom.inc");
require_once("$default->fileSystemRoot/presentation/Html.inc");
require_once("$default->fileSystemRoot/presentation/lookAndFeel/knowledgeTree/foldermanagement/folderUI.inc");
require_once("deleteFolderUI.inc");
if (checkSession()) {
// initialise custom pattern once
$oPatternCustom = & new PatternCustom();
if (isset($fFolderID)) {
if (Permission::userHasFolderWritePermission($fFolderID)) {
if (isset($fDeleteConfirmed)) {
// deletion of folder is confirmed
$oFolder = Folder::get($fFolderID);
if (isset($oFolder)) {
// check if there are any documents or folders in this folder
$sFolderPath = Folder::getFolderPath($fFolderID);
if ($oFolder->delete()) {
if (PhysicalFolderManagement::deleteFolder($sFolderPath)) {
// successfully deleted the folder from the file system
// fire subscription alerts for the deleted folder
$count = SubscriptionEngine::fireSubscription($fFolderID, SubscriptionConstants::subscriptionAlertType("RemoveFolder"),
SubscriptionConstants::subscriptionType("FolderSubscription"),
array( "removedFolderName" => $oFolder->getName(),
"parentFolderName" => Folder::getFolderName($oFolder->getParentID())));
$default->log->info("deleteFolderBL.php fired $count subscription alerts for removed folder " . $oFolder->getName());
// redirect to the browse folder page with the parent folder id
redirect("$default->rootUrl/control.php?action=browse&fFolderID=" . $oFolder->getParentID());
} else {
// could not delete the folder from the file system, so reverse the folder deletion
$oFolder->create();
require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
$oPatternCustom->setHtml("");
$main->setCentralPayload($oPatternCustom);
$main->setErrorMessage("The folder could not be deleted from the file system");
$main->render();
}
} else {
// could not delete the folder in the db
require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
$oPatternCustom->setHtml("");
$main->setCentralPayload($oPatternCustom);
$main->setErrorMessage("The folder could not be deleted from the database");
$main->render();
}
} else {
// could not load folder object
require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
$oPatternCustom->setHtml("");
$main->setCentralPayload($oPatternCustom);
$main->setErrorMessage("An error occured whilst retrieving the folder from the database");
$main->render();
}
} else {
// check if there are any folders or documents in this folder
// get folders descended from this one
$aFolderArray = Folder::getList("parent_id=$fFolderID");
// get documents in this folder
$aDocumentArray = Document::getList("folder_id=$fFolderID");
if (count($aFolderArray) > 0) {
$oPatternCustom->setHtml(getFolderNotEmptyPage($fFolderID, count($aFolderArray), "folder(s)"));
} else if (count($aDocumentArray) > 0) {
$oPatternCustom->setHtml(getFolderNotEmptyPage($fFolderID, count($aDocumentArray), "document(s)"));
} else {
// get confirmation first
$oFolder = Folder::get($fFolderID);
$oPatternCustom->setHtml(getConfirmPage($fFolderID, $oFolder->getName()));
}
// render the page
require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
$main->setCentralPayload($oPatternCustom);
$main->render();
}
} else {
// user does not have permission to delete the folder
require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
$oPatternCustom = & new PatternCustom();
$oPatternCustom->setHtml("");
$main->setCentralPayload($oPatternCustom);
$main->setErrorMessage("You do not have permission to delete this folder");
$main->render();
}
} else {
// no folder selected for deletion
require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
$oPatternCustom = & new PatternCustom();
$oPatternCustom->setHtml("");
$main->setCentralPayload($oPatternCustom);
$main->setErrorMessage("No folder currently selected");
$main->render();
}
}