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executable file 534 lines (452 sloc) 16.731 kB
<?php
/**
* Represents a folder in the assets directory.
* @package sapphire
* @subpackage filesystem
*/
class Folder extends File {
/*
* Find the given folder or create it, recursively.
*
* @param $folderPath string Absolute or relative path to the file
*/
static function findOrMake($folderPath) {
// Create assets directory, if it is missing
if(!file_exists(ASSETS_PATH)) mkdir(ASSETS_PATH,Filesystem::$folder_create_mask);
$folderPath = trim(Director::makeRelative($folderPath));
// replace leading and trailing slashes
$folderPath = preg_replace('/^\/?(.*)\/?$/', '$1', $folderPath);
$parts = explode("/",$folderPath);
$parentID = 0;
foreach($parts as $part) {
$item = DataObject::get_one("Folder", "\"Name\" = '$part' AND \"ParentID\" = $parentID");
if(!$item) {
$item = new Folder();
$item->ParentID = $parentID;
$item->Name = $part;
$item->Title = $part;
$item->write();
}
if(!file_exists($item->getFullPath())) {
mkdir($item->getFullPath(),Filesystem::$folder_create_mask);
}
$parentID = $item->ID;
}
return $item;
}
/**
* Syncronise the file database with the actual content of the assets folder
*/
function syncChildren() {
$parentID = (int)$this->ID; // parentID = 0 on the singleton, used as the 'root node';
$added = 0;
$deleted = 0;
// First, merge any children that are duplicates
$duplicateChildrenNames = DB::query("SELECT \"Name\" FROM \"File\" WHERE \"ParentID\" = $parentID GROUP BY \"Name\" HAVING count(*) > 1")->column();
if($duplicateChildrenNames) foreach($duplicateChildrenNames as $childName) {
$childName = DB::getConn()->addslashes($childName);
// Note, we do this in the database rather than object-model; otherwise we get all sorts of problems about deleting files
$children = DB::query("SELECT \"ID\" FROM \"File\" WHERE \"Name\" = '$childName' AND \"ParentID\" = $parentID")->column();
if($children) {
$keptChild = array_shift($children);
foreach($children as $removedChild) {
DB::query("UPDATE \"File\" SET \"ParentID\" = $keptChild WHERE \"ParentID\" = $removedChild");
DB::query("DELETE FROM \"File\" WHERE \"ID\" = $removedChild");
}
} else {
user_error("Inconsistent database issue: SELECT ID FROM \"File\" WHERE Name = '$childName' AND ParentID = $parentID should have returned data", E_USER_WARNING);
}
}
// Get index of database content
// We don't use DataObject so that things like subsites doesn't muck with this.
$dbChildren = DB::query("SELECT * FROM \"File\" WHERE \"ParentID\" = $parentID");
$hasDbChild = array();
if($dbChildren) {
foreach($dbChildren as $dbChild) {
$className = $dbChild['ClassName'];
if(!$className) $className = "File";
$hasDbChild[$dbChild['Name']] = new $className($dbChild);
}
}
$unwantedDbChildren = $hasDbChild;
// Iterate through the actual children, correcting the database as necessary
$baseDir = $this->FullPath;
if(!$this->Filename) die($this->ID . " - " . $this->FullPath);
if(file_exists($baseDir)) {
$actualChildren = scandir($baseDir);
foreach($actualChildren as $actualChild) {
if($actualChild[0] == '.' || $actualChild[0] == '_' || substr($actualChild,0,6) == 'Thumbs') {
continue;
}
// A record with a bad class type doesn't deserve to exist. It must be purged!
if(isset($hasDbChild[$actualChild])) {
$child = $hasDbChild[$actualChild];
if(( !( $child instanceof Folder ) && is_dir($baseDir . $actualChild) )
|| (( $child instanceof Folder ) && !is_dir($baseDir . $actualChild)) ) {
DB::query("DELETE FROM \"File\" WHERE \"ID\" = $child->ID");
unset($hasDbChild[$actualChild]);
}
}
if(isset($hasDbChild[$actualChild])) {
$child = $hasDbChild[$actualChild];
unset($unwantedDbChildren[$actualChild]);
} else {
$added++;
$childID = $this->constructChild($actualChild);
$child = DataObject::get_by_id("File", $childID);
}
if( $child && is_dir($baseDir . $actualChild)) {
$childResult = $child->syncChildren();
$added += $childResult['added'];
$deleted += $childResult['deleted'];
}
// Clean up the child record from memory after use. Important!
$child->destroy();
$child = null;
}
// Iterate through the unwanted children, removing them all
if(isset($unwantedDbChildren)) foreach($unwantedDbChildren as $unwantedDbChild) {
DB::query("DELETE FROM \"File\" WHERE \"ID\" = $unwantedDbChild->ID");
$deleted++;
}
} else {
DB::query("DELETE FROM \"File\" WHERE \"ID\" = $this->ID");
}
return array('added' => $added, 'deleted' => $deleted);
}
/**
* Construct a child of this Folder with the given name.
* It does this without actually using the object model, as this starts messing
* with all the data. Rather, it does a direct database insert.
*/
function constructChild($name) {
// Determine the class name - File, Folder or Image
$baseDir = $this->FullPath;
if(is_dir($baseDir . $name)) {
$className = "Folder";
} else {
// Could use getimagesize to get the type of the image
$ext = strtolower(substr($name,strrpos($name,'.')+1));
switch($ext) {
case "gif": case "jpg": case "jpeg": case "png": $className = "Image"; break;
default: $className = "File";
}
}
if(Member::currentUser()) $ownerID = Member::currentUser()->ID;
else $ownerID = 0;
$filename = DB::getConn()->addslashes($this->Filename . $name);
if($className == 'Folder' ) $filename .= '/';
$name = DB::getConn()->addslashes($name);
DB::query("INSERT INTO \"File\"
(\"ClassName\", \"ParentID\", \"OwnerID\", \"Name\", \"Filename\", \"Created\", \"LastEdited\", \"Title\")
VALUES ('$className', $this->ID, $ownerID, '$name', '$filename', " . DB::getConn()->now() . ',' . DB::getConn()->now() . ", '$name')");
return DB::getGeneratedID("File");
}
/**
* Take a file uploaded via a POST form, and save it inside this folder.
*/
function addUploadToFolder($tmpFile) {
if(!is_array($tmpFile)) {
user_error("Folder::addUploadToFolder() Not passed an array. Most likely, the form hasn't got the right enctype", E_USER_ERROR);
}
if(!isset($tmpFile['size'])) {
return;
}
$base = BASE_PATH;
// $parentFolder = Folder::findOrMake("Uploads");
// Generate default filename
$file = str_replace(' ', '-',$tmpFile['name']);
$file = ereg_replace('[^A-Za-z0-9+.-]+','',$file);
$file = ereg_replace('-+', '-',$file);
while($file[0] == '_' || $file[0] == '.') {
$file = substr($file, 1);
}
$file = $this->RelativePath . $file;
Filesystem::makeFolder(dirname("$base/$file"));
$doubleBarrelledExts = array('.gz', '.bz', '.bz2');
$ext = "";
if(preg_match('/^(.*)(\.[^.]+)$/', $file, $matches)) {
$file = $matches[1];
$ext = $matches[2];
// Special case for double-barrelled
if(in_array($ext, $doubleBarrelledExts) && preg_match('/^(.*)(\.[^.]+)$/', $file, $matches)) {
$file = $matches[1];
$ext = $matches[2] . $ext;
}
}
$origFile = $file;
$i = 1;
while(file_exists("$base/$file$ext")) {
$i++;
$oldFile = $file;
if(strpos($file, '.') !== false) {
$file = ereg_replace('[0-9]*(\.[^.]+$)', $i . '\\1', $file);
} elseif(strpos($file, '_') !== false) {
$file = ereg_replace('_([^_]+$)', '_' . $i, $file);
} else {
$file .= "_$i";
}
if($oldFile == $file && $i > 2) user_error("Couldn't fix $file$ext with $i", E_USER_ERROR);
}
if (move_uploaded_file($tmpFile['tmp_name'], "$base/$file$ext")) {
// Update with the new image
return $this->constructChild(basename($file . $ext));
} else {
if(!file_exists($tmpFile['tmp_name'])) user_error("Folder::addUploadToFolder: '$tmpFile[tmp_name]' doesn't exist", E_USER_ERROR);
else user_error("Folder::addUploadToFolder: Couldn't copy '$tmpFile[tmp_name]' to '$base/$file$ext'", E_USER_ERROR);
return false;
}
}
//-------------------------------------------------------------------------------------------------
// Data Model Definition
function getRelativePath() {
return parent::getRelativePath() . "/";
}
function onBeforeDelete() {
if($this->ID && ($children = $this->AllChildren())) {
foreach($children as $child) {
if(!$this->Filename || !$this->Name || !file_exists($this->getFullPath())) {
$child->setField('Name',null);
$child->Filename = null;
}
$child->delete();
}
}
// Do this after so a folder's contents are removed before we delete the folder.
if($this->Filename && $this->Name && file_exists($this->getFullPath())) {
$files = glob( $this->getFullPath() . '/*' );
if( !$files || ( count( $files ) == 1 && preg_match( '/\/_resampled$/', $files[0] ) ) )
Filesystem::removeFolder( $this->getFullPath() );
}
parent::onBeforeDelete();
}
/**
* Delete the database record (recursively for folders) without touching the filesystem
*/
function deleteDatabaseOnly() {
if($children = $this->myChildren()) {
foreach($children as $child) $child->deleteDatabaseOnly();
}
parent::deleteDatabaseOnly();
}
public function myChildren() {
// Ugly, but functional.
$ancestors = ClassInfo::ancestry($this->class);
foreach($ancestors as $i => $a) {
if(isset($baseClass) && $baseClass === -1) {
$baseClass = $a;
break;
}
if($a == "DataObject") $baseClass = -1;
}
$g = DataObject::get($baseClass, "\"ParentID\" = " . $this->ID);
return $g;
}
/**
* Returns true if this folder has children
*/
public function hasChildren() {
return (bool)DB::query("SELECT COUNT(*) FROM \"File\" WHERE ParentID = "
. (int)$this->ID)->value();
}
/**
* Returns true if this folder has children
*/
public function hasChildFolders() {
$SQL_folderClasses = Convert::raw2sql(ClassInfo::subclassesFor('Folder'));
return (bool)DB::query("SELECT COUNT(*) FROM \"File\" WHERE \"ParentID\" = " . (int)$this->ID
. " AND \"ClassName\" IN ('" . implode("','", $SQL_folderClasses) . "')")->value();
}
/**
* Overload autosetFilename() to call autosetFilename() on all the children, too
*/
public function autosetFilename() {
parent::autosetFilename();
if($this->ID && ($children = $this->AllChildren())) {
$this->write();
foreach($children as $child) {
$child->autosetFilename();
$child->write();
}
}
}
/**
* Overload resetFilename() to call resetFilename() on all the children, too.
* Pass renamePhysicalFile = false, since the folder renaming will have taken care of this
*/
protected function resetFilename($renamePhysicalFile = true) {
parent::resetFilename($renamePhysicalFile);
if($this->ID && ($children = $this->AllChildren())) {
$this->write();
foreach($children as $child) {
$child->resetFilename(false);
$child->write();
}
}
}
/**
* This isn't a decendant of SiteTree, but needs this in case
* the group is "reorganised";
*/
function cmsCleanup_parentChanged(){
}
/**
* Return the FieldSet used to edit this folder in the CMS.
* You can modify this fieldset by subclassing folder, or by creating a {@link DataObjectDecorator}
* and implemeting updateCMSFields(FieldSet $fields) on that decorator.
*/
function getCMSFields() {
$fileList = new AssetTableField(
$this,
"Files",
"File",
array("Title" => _t('Folder.TITLE', "Title"), "Filename" => _t('Folder.FILENAME', "Filename")),
""
);
$fileList->setFolder($this);
$fileList->setPopupCaption(_t('Folder.VIEWEDITASSET', "View/Edit Asset"));
$titleField = ($this->ID && $this->ID != "root") ? new TextField("Title", _t('Folder.TITLE')) : new HiddenField("Title");
if( $this->canEdit() ) {
$deleteButton = new InlineFormAction('deletemarked',_t('Folder.DELSELECTED','Delete selected files'), 'delete');
$deleteButton->includeDefaultJS(false);
} else {
$deleteButton = new HiddenField('deletemarked');
}
$fields = new FieldSet(
new HiddenField("Name"),
new TabSet("Root",
new Tab("Files", _t('Folder.FILESTAB', "Files"),
$titleField,
$fileList,
$deleteButton,
new HiddenField("FileIDs"),
new HiddenField("DestFolderID")
),
new Tab("Details", _t('Folder.DETAILSTAB', "Details"),
new ReadonlyField("URL", _t('Folder.URL', 'URL')),
new ReadonlyField("ClassName", _t('Folder.TYPE','Type')),
new ReadonlyField("Created", _t('Folder.CREATED','First Uploaded')),
new ReadonlyField("LastEdited", _t('Folder.LASTEDITED','Last Updated'))
),
new Tab("Upload", _t('Folder.UPLOADTAB', "Upload"),
new LiteralField("UploadIframe",
$this->getUploadIframe()
)
),
new Tab("UnusedFiles", _t('Folder.UNUSEDFILESTAB', "Unused files"),
new Folder_UnusedAssetsField($this)
)
),
new HiddenField("ID")
);
if(!$this->canEdit()) {
$fields->removeFieldFromTab("Root", "Upload");
}
$this->extend('updateCMSFields', $fields);
return $fields;
}
/**
* Looks for files used in system and create where clause which contains all ID's of files.
*
* @returns String where clause which will work as filter.
*/
public function getUnusedFilesListFilter() {
$result = DB::query("SELECT DISTINCT \"FileID\" FROM \"SiteTree_ImageTracking\"");
$usedFiles = array();
$where = '';
$classes = ClassInfo::subclassesFor('SiteTree');
if($result->numRecords() > 0) {
while($nextResult = $result->next()) {
$where .= $nextResult['FileID'] . ',';
}
}
foreach($classes as $className) {
$query = singleton($className)->extendedSQL();
$ids = $query->execute()->column();
if(!count($ids)) continue;
foreach(singleton($className)->has_one() as $relName => $joinClass) {
if($joinClass == 'Image' || $joinClass == 'File') {
$fieldName = $relName .'ID';
$query = singleton($className)->extendedSQL("$fieldName > 0");
$query->distinct = true;
$query->select = array($fieldName);
$usedFiles = array_merge($usedFiles, $query->execute()->column());
} elseif($joinClass == 'Folder') {
// @todo
}
}
}
if($usedFiles) {
return "\"File\".\"ID\" NOT IN (" . implode(', ', $usedFiles) . ") AND (\"ClassName\" = 'File' OR \"ClassName\" = 'Image')";
} else {
return "(\"ClassName\" = 'File' OR \"ClassName\" = 'Image')";
}
return $where;
}
/**
* Display the upload form. Returns an iframe tag that will show admin/assets/uploadiframe.
*/
function getUploadIframe() {
return <<<HTML
<iframe name="AssetAdmin_upload" src="admin/assets/uploadiframe/{$this->ID}" id="AssetAdmin_upload" border="0" style="border-style none !important; width: 97%; min-height: 300px; height: 100%; height: expression(document.body.clientHeight) !important;">
</iframe>
HTML;
}
/**
* Get the children of this folder that are also folders.
*/
function ChildFolders() {
return DataObject::get("Folder", "\"ParentID\" = " . (int)$this->ID);
}
}
class Folder_UnusedAssetsField extends CompositeField {
protected $folder;
public function __construct($folder) {
$this->folder = $folder;
parent::__construct(new FieldSet());
}
public function getChildren() {
if($this->children->Count() == 0) {
$inlineFormAction = new InlineFormAction("delete_unused_thumbnails", _t('Folder.DELETEUNUSEDTHUMBNAILS', 'Delete unused thumbnails'));
$inlineFormAction->includeDefaultJS(false) ;
$this->children = new FieldSet(
new LiteralField( "UnusedAssets", "<h2>"._t('Folder.UNUSEDFILESTITLE', 'Unused files')."</h2>" ),
$this->getAssetList(),
new FieldGroup(
new LiteralField( "UnusedThumbnails", "<h2>"._t('Folder.UNUSEDTHUMBNAILSTITLE', 'Unused thumbnails')."</h2>"),
$inlineFormAction
)
);
$this->children->setForm($this->form);
}
return $this->children;
}
public function FieldHolder() {
$output = "";
foreach($this->getChildren() as $child) {
$output .= $child->FieldHolder();
}
return $output;
}
/**
* Creates table for displaying unused files.
*
* @returns AssetTableField
*/
protected function getAssetList() {
$where = $this->folder->getUnusedFilesListFilter();
$assetList = new AssetTableField(
$this->folder,
"AssetList",
"File",
array("Title" => _t('Folder.TITLE', "Title"), "LinkedURL" => _t('Folder.FILENAME', "Filename")),
"",
$where
);
$assetList->setPopupCaption(_t('Folder.VIEWASSET', "View Asset"));
$assetList->setPermissions(array("show","delete"));
$assetList->Markable = false;
return $assetList;
}
}
?>
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