<?php
/**
* Business logic page that provides business logic for adding a folder (uses
* addFolderUI.inc for HTML)
*
* The following form variables are expected:
* o $fFolderID - id of the folder the user is currently in
*
* @author Rob Cherry, Jam Warehouse (Pty) Ltd, South Africa
* @date 27 January 2003
* @package presentation.lookAndFeel.knowledgeTree.foldermanagement
*/

require_once("../../../../config/dmsDefaults.php");
if (checkSession()) {
    require_once("$default->fileSystemRoot/lib/visualpatterns/PatternCustom.inc");

    $oPatternCustom = & new PatternCustom();

    if (isset($fFolderID)) {
        require_once("$default->fileSystemRoot/lib/visualpatterns/PatternTableSqlQuery.inc");
		require_once("$default->fileSystemRoot/lib/visualpatterns/PatternListBox.inc");
        require_once("$default->fileSystemRoot/lib/foldermanagement/Folder.inc");
		require_once("$default->fileSystemRoot/lib/foldermanagement/FolderDocTypeLink.inc");
        require_once("$default->fileSystemRoot/lib/foldermanagement/PhysicalFolderManagement.inc");
        require_once("$default->fileSystemRoot/lib/subscriptions/SubscriptionEngine.inc");
        require_once("$default->fileSystemRoot/presentation/lookAndFeel/knowledgeTree/foldermanagement/folderUI.inc");
        require_once("$default->fileSystemRoot/presentation/Html.inc");
        require_once("addFolderUI.inc");

        if (!isset($fFolderName)) {
            require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
            //we're still browsing			
            if (Permission::userHasFolderWritePermission($fFolderID)) {
                //if the user is allowed to add folders, then display the add button
                $oPatternCustom->setHtml(renderBrowseAddPage($fFolderID));
            } else {
                //otherwise just let the user browse
                $oPatternCustom->setHtml(renderBrowsePage($fFolderID));
                $main->setErrorMessage("You do not have permission to create new folders in this folder");
            }
            $main->setCentralPayload($oPatternCustom);
            $main->setFormAction("addFolderBL.php?fFolderID=$fFolderID");
            $main->setHasRequiredFields(true);
            $main->render();
        } else {
            //have a folder name to store
            if (Permission::userHasFolderWritePermission($fFolderID)) {
                //check for illegal characters in the folder name
                if (strpos($fFolderName, "\\") === false && strpos($fFolderName, ">") === false &&
                    strpos($fFolderName, "<") === false && strpos($fFolderName, ":") === false &&
                    strpos($fFolderName, "*") === false && strpos($fFolderName, "?") === false &&
                     strpos($fFolderName, "|") === false && strpos($fFolderName, "/") === false &&
					 strpos($fFolderName, "\"") === false) {
						 
                    if (Folder::folderExistsName($fFolderName, $fFolderID)) {
                        require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
                        $oPatternCustom->setHtml(renderBrowseAddPage($fFolderID));
                        $main->setCentralPayload($oPatternCustom);
                        $main->setErrorMessage("There is another folder named $fFolderName in this folder already");
                        $main->setHasRequiredFields(true);
                        $main->setFormAction("addFolderBL.php?fFolderID=$fFolderID");
                        $main->render();
                    } else {						
                        $oParentFolder = Folder::get($fFolderID);
                        //create the folder in the db, giving it the properties of it's parent folder
                        $oFolder = & new Folder($fFolderName, "", $fFolderID, $_SESSION["userID"], $oParentFolder->getUnitID());
                        if ($oFolder->create()) {
							$oFolderDocTypeLink = & new FolderDocTypeLink($oFolder->getID(), $fDocumentTypeID);
							if ($oFolderDocTypeLink->create()) {
								//create the folder on the file system
								if (PhysicalFolderManagement::createFolder(Folder::getFolderPath($oFolder->getID()))) {
									// fire subscription alerts for the new folder
									$count = SubscriptionEngine::fireSubscription($oParentFolder->getID(), SubscriptionConstants::subscriptionAlertType("AddFolder"),
											 SubscriptionConstants::subscriptionType("FolderSubscription"),
											 array( "newFolderName" => $fFolderName,
													"parentFolderName" => $oParentFolder->getName()) );
									$default->log->info("addFolderBL.php fired $count subscription alerts for new folder $fFolderName");
									redirect("$default->rootUrl/control.php?action=editFolder&fFolderID=" . $oFolder->getID());
								} else {
									//if we couldn't do that, remove the folder and its doc type link
									//from the db and report and error
									$oFolderDocTypeLink->delete();
									$oFolder->delete();
									require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
									$oPatternCustom->setHtml(renderBrowsePage($fFolderID));
									$main->setCentralPayload($oPatternCustom);
									$main->setErrorMessage("There was an error creating the folder $fFolderName on the filesystem");
									$main->setFormAction("addFolderBL.php?fFolderID=$fFolderID");
									$main->setHasRequiredFields(true);
									$main->render();
								}
							} else {
								//couldn't associate the chosen document type with this folder
								//remove the folder from the database
								$oFolder->delete();
								require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
								$oPatternCustom->setHtml(renderBrowsePage($fFolderID));
								$main->setCentralPayload($oPatternCustom);
								$main->setErrorMessage("There was an error creating the folder $fFolderName on the filesystem");
								$main->setFormAction("addFolderBL.php?fFolderID=$fFolderID");
								$main->setHasRequiredFields(true);
								$main->render();								
							}
                        } else {
                            //if we couldn't create the folder in the db, report an error
                            require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
                            $oPatternCustom->setHtml(renderBrowsePage($fFolderID));
                            $main->setCentralPayload($oPatternCustom);
                            $main->setErrorMessage("There was an error creating the folder $fFolderName in the database");
                            $main->setFormAction("addFolderBL.php?fFolderID=$fFolderID");
                            $main->render();
                        }
                    }
                } else {
                    //the user entered an illegal character in the folder name
                    require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
                    $oPatternCustom->setHtml(renderBrowseAddPage($fFolderID));
                    $main->setCentralPayload($oPatternCustom);
                    $main->setErrorMessage("Folder not created. Folder names may not contain: '<', '>', '*', '/', '\', '|', '?' or '\"' ");
                    $main->setHasRequiredFields(true);
                    $main->setFormAction("addFolderBL.php?fFolderID=$fFolderID");
                    $main->render();
                }

            } else {
                //if the user doesn't have write permission for this folder,
                //give them only browse facilities
                require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
                $oPatternCustom->setHtml(renderBrowsePage($fFolderID));
                $main->setCentralPayload($oPatternCustom);
                $main->setErrorMessage("You do not have permission to create new folders in this folder");
                $main->setFormAction("addFolderBL.php?fFolderID=$fFolderID");
                $main->render();
            }
        }
    } else {
        require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
        $oPatternCustom->setHtml("");
        $main->setCentralPayload($oPatternCustom);
        $main->setErrorMessage("No folder currently selected");
        $main->render();
    }
}

?>