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<?php
/**
* @package cms
* @subpackage assets
*/
/**
* AssetAdmin is the 'file store' section of the CMS.
* It provides an interface for maniupating the File and Folder objects in the system.
* @package cms
* @subpackage assets
*/
class AssetAdmin extends LeftAndMain {
static $tree_class = "File";
static $allowed_actions = array(
'addfolder',
'deletefolder',
'deletemarked',
'deleteUnusedThumbnails',
'doUpload',
'getfile',
'getsubtree',
'movemarked',
'removefile',
'save',
'savefile',
'uploadiframe',
);
public function Link($action=null) {
if(!$action) $action = "index";
return "admin/assets/$action/" . $this->currentPageID();
}
/**
* Return fake-ID "root" if no ID is found (needed to upload files into the root-folder)
*/
public function currentPageID() {
if(isset($_REQUEST['ID']) && is_numeric($_REQUEST['ID'])) {
return $_REQUEST['ID'];
} elseif (is_numeric($this->urlParams['ID'])) {
return $this->urlParams['ID'];
} elseif(is_numeric(Session::get("{$this->class}.currentPage"))) {
return Session::get("{$this->class}.currentPage");
} else {
return "root";
}
}
/**
* Set up the controller, in particular, re-sync the File database with the assets folder./
*/
function init() {
parent::init();
if(!file_exists('../assets')) {
mkdir('../assets');
}
// needed for MemberTableField (Requirements not determined before Ajax-Call)
Requirements::javascript("sapphire/javascript/ComplexTableField.js");
Requirements::css("jsparty/greybox/greybox.css");
Requirements::css("sapphire/css/ComplexTableField.css");
Requirements::javascript("cms/javascript/AssetAdmin.js");
Requirements::javascript("cms/javascript/AssetAdmin_left.js");
Requirements::javascript("cms/javascript/AssetAdmin_right.js");
Requirements::javascript("cms/javascript/CMSMain_upload.js");
Requirements::javascript("cms/javascript/Upload.js");
Requirements::javascript("sapphire/javascript/Security_login.js");
Requirements::javascript("jsparty/SWFUpload/SWFUpload.js");
// Include the right JS]
// Hayden: This didn't appear to be used at all
/*$fileList = new FileList("Form_EditForm_Files", null);
$fileList->setClick_AjaxLoad('admin/assets/getfile/', 'Form_SubForm');
$fileList->FieldHolder();*/
Requirements::javascript("jsparty/greybox/AmiJS.js");
Requirements::javascript("jsparty/greybox/greybox.js");
Requirements::css("jsparty/greybox/greybox.css");
Requirements::css("cms/css/AssetAdmin.css");
}
function index() {
File::sync();
return array();
}
/**
* Show the content of the upload iframe. The form is specified by a template.
*/
function uploadiframe() {
Requirements::clear();
Requirements::javascript("jsparty/prototype.js");
Requirements::javascript("jsparty/loader.js");
Requirements::javascript("jsparty/behaviour.js");
Requirements::javascript("jsparty/prototype_improvements.js");
Requirements::javascript("jsparty/layout_helpers.js");
Requirements::javascript("cms/javascript/LeftAndMain.js");
Requirements::javascript("jsparty/multifile/multifile.js");
Requirements::css("jsparty/multifile/multifile.css");
Requirements::css("cms/css/typography.css");
Requirements::css("cms/css/layout.css");
Requirements::css("cms/css/cms_left.css");
Requirements::css("cms/css/cms_right.css");
if(isset($data['ID']) && $data['ID'] != 'root') $folder = DataObject::get_by_id("Folder", $data['ID']);
else $folder = singleton('Folder');
$canUpload = $folder->userCanEdit();
return array( 'CanUpload' => $canUpload );
}
/**
* Return the form object shown in the uploadiframe.
*/
function UploadForm() {
$form = new Form($this,'UploadForm', new FieldSet(
new HiddenField("ID", "", $this->currentPageID()),
// needed because the button-action is triggered outside the iframe
new HiddenField("action_doUpload", "", "1"),
new FileField("Files[0]" , _t('AssetAdmin.CHOOSEFILE','Choose file ')),
new LiteralField('UploadButton',"
<input type='submit' value='". _t('AssetAdmin.UPLOAD', 'Upload Files Listed Below'). "' name='action_upload' id='Form_UploadForm_action_upload' class='action' />
"),
new LiteralField('MultifileCode',"
<p>" . _t('AssetAdmin.FILESREADY','Files ready to upload:') ."</p>
<div id='Form_UploadForm_FilesList'></div>
<script>
var multi_selector = new MultiSelector($('Form_UploadForm_FilesList'), null, $('Form_UploadForm_action_upload'));
multi_selector.addElement($('Form_UploadForm_Files-0'));
new window.top.document.CMSMain_upload();
</script>
")
), new FieldSet(
));
// Makes ajax easier
$form->disableSecurityToken();
return $form;
}
/**
* This method processes the results of the UploadForm.
* It will save the uploaded files to /assets/ and create new File objects as required.
*/
function doUpload($data, $form) {
foreach($data['Files'] as $param => $files) {
if(!is_array($files)) $files = array($files);
foreach($files as $key => $value) {
$processedFiles[$key][$param] = $value;
}
}
if($data['ID'] && $data['ID'] != 'root') $folder = DataObject::get_by_id("Folder", $data['ID']);
else $folder = singleton('Folder');
$newFiles = array();
$fileSizeWarnings = '';
$uploadErrors = '';
foreach($processedFiles as $file) {
if($file['error'] == UPLOAD_ERR_NO_TMP_DIR) {
$status = 'bad';
$statusMessage = _t('AssetAdmin.NOTEMP', 'There is no temporary folder for uploads. Please set upload_tmp_dir in php.ini.');
break;
}
if($file['tmp_name']) {
// Workaround open_basedir problems
if(ini_get("open_basedir")) {
$newtmp = TEMP_FOLDER . '/' . $file['name'];
move_uploaded_file($file['tmp_name'], $newtmp);
$file['tmp_name'] = $newtmp;
}
// check that the file can be uploaded and isn't too large
$extensionIndex = strripos( $file['name'], '.' );
$extension = strtolower( substr( $file['name'], $extensionIndex + 1 ) );
if( $extensionIndex !== FALSE )
list( $maxSize, $warnSize ) = File::getMaxFileSize( $extension );
else
list( $maxSize, $warnSize ) = File::getMaxFileSize();
// check that the file is not too large or that the current user is an administrator
if( $this->can('AdminCMS') || ( File::allowedFileType( $extension ) && (!isset($maxsize) || $file['size'] < $maxSize)))
$newFiles[] = $folder->addUploadToFolder($file);
elseif( !File::allowedFileType( $extension ) ) {
$fileSizeWarnings .= "alert( '". sprintf(_t('AssetAdmin.ONLYADMINS','Only administrators can upload %s files.'),$extension)."' );";
} else {
if( $file['size'] > 1048576 )
$fileSize = "" . ceil( $file['size'] / 1048576 ) . "MB";
elseif( $file['size'] > 1024 )
$fileSize = "" . ceil( $file['size'] / 1024 ) . "KB";
else
$fileSize = "" . ceil( $file['size'] ) . "B";
$fileSizeWarnings .= "alert( '". sprintf(_t('AssetAdmin.TOOLARGE', "%s is too large (%s). Files of this type cannot be larger than %s"),"\\'" . $file['name'] . "\\'", $fileSize, $warnSize ) ."' );";
}
}
}
if($newFiles) {
$numFiles = sizeof($newFiles);
$statusMessage = sprintf(_t('AssetAdmin.UPLOADEDX',"Uploaded %s files"),$numFiles) ;
$status = "good";
} else if($status != 'bad') {
$statusMessage = _t('AssetAdmin.NOTHINGTOUPLOAD','There was nothing to upload');
$status = "";
}
$fileIDs = array();
$fileNames = array();
foreach($newFiles as $newFile) {
$fileIDs[] = $newFile;
$fileObj = DataObject::get_one('File', "`File`.ID=$newFile");
$fileNames[] = $fileObj->Name;
}
$sFileIDs = implode(',', $fileIDs);
$sFileNames = implode(',', $fileNames);
echo <<<HTML
<script type="text/javascript">
/* IDs: $sFileIDs */
/* Names: $sFileNames */
var form = parent.document.getElementById('Form_EditForm');
form.getPageFromServer(form.elements.ID.value);
parent.statusMessage("{$statusMessage}","{$status}");
$fileSizeWarnings
parent.document.getElementById('sitetree').getTreeNodeByIdx( "{$folder->ID}" ).getElementsByTagName('a')[0].className += ' contents';
</script>
HTML;
}
/**
* Needs to be overridden to make sure an ID with value "0" is still valid (rootfolder)
*/
/**
* Return the form that displays the details of a folder, including a file list and fields for editing the folder name.
*/
function getEditForm($id) {
if($id && $id != "root") {
$record = DataObject::get_by_id("File", $id);
} else {
$record = singleton("Folder");
}
if($record) {
$fields = $record->getCMSFields();
$actions = new FieldSet();
// Only show save button if not 'assets' folder
if( $record->userCanEdit() && $id != "root") {
$actions = new FieldSet(
new FormAction('save',_t('AssetAdmin.SAVEFOLDERNAME','Save folder name'))
);
}
$form = new Form($this, "EditForm", $fields, $actions);
if($record->ID) {
$form->loadDataFrom($record);
} else {
$form->loadDataFrom(array(
"ID" => "root",
"URL" => Director::absoluteBaseURL() . 'assets/',
));
}
// @todo: These workflow features aren't really appropriate for all projects
if( Member::currentUser()->_isAdmin() && project() == 'mot' ) {
$fields->addFieldsToTab( 'Root.Workflow', new DropdownField("Owner", _t('AssetAdmin.OWNER','Owner'), Member::map() ) );
$fields->addFieldsToTab( 'Root.Workflow', new TreeMultiselectField("CanUse", _t('AssetAdmin.CONTENTUSABLEBY','Content usable by')) );
$fields->addFieldsToTab( 'Root.Workflow', new TreeMultiselectField("CanEdit", _t('AssetAdmin.CONTENTMODBY','Content modifiable by')) );
}
if( !$record->userCanEdit() )
$form->makeReadonly();
return $form;
}
}
/**
* Perform the "move marked" action.
* Called and returns in same way as 'save' function
*/
public function movemarked($urlParams, $form) {
if($_REQUEST['DestFolderID'] && is_numeric($_REQUEST['DestFolderID'])) {
$destFolderID = $_REQUEST['DestFolderID'];
$fileList = "'" . ereg_replace(' *, *',"','",trim(addslashes($_REQUEST['FileIDs']))) . "'";
$numFiles = 0;
if($fileList != "''") {
$files = DataObject::get("File", "`File`.ID IN ($fileList)");
if($files) {
foreach($files as $file) {
if($file instanceof Image) {
$file->deleteFormattedImages();
}
$file->ParentID = $destFolderID;
$file->write();
$numFiles++;
}
} else {
user_error("No files in $fileList could be found!", E_USER_ERROR);
}
}
$message = sprintf(_t('AssetAdmin.MOVEDX','Moved %s files'),$numFiles);
FormResponse::status_message($message, "good");
FormResponse::add("$('Form_EditForm').getPageFromServer($('Form_EditForm_ID').value)");
return FormResponse::respond();
} else {
user_error("Bad data: $_REQUEST[DestFolderID]", E_USER_ERROR);
}
}
/**
* Perform the "delete marked" action.
* Called and returns in same way as 'save' function
*/
public function deletemarked($urlParams, $form) {
$fileList = "'" . ereg_replace(' *, *',"','",trim(addslashes($_REQUEST['FileIDs']))) . "'";
$numFiles = 0;
$folderID = 0;
$deleteList = '';
$brokenPageList = '';
if($fileList != "''") {
$files = DataObject::get("File", "`File`.ID IN ($fileList)");
if($files) {
foreach($files as $file) {
if($file instanceof Image) {
$file->deleteFormattedImages();
}
if( !$folderID )
$folderID = $file->ParentID;
// $deleteList .= "\$('Form_EditForm_Files').removeById($file->ID);\n";
$file->delete();
$numFiles++;
}
if($brokenPages = Notifications::getItems("BrokenLink")) {
$brokenPageList = " ". _t('AssetAdmin.NOWBROKEN',"These pages now have broken links:")."</ul>";
foreach($brokenPages as $brokenPage) {
$brokenPageList .= "<li style=&quot;font-size: 65%&quot;>" . $brokenPage->Breadcrumbs(3, true) . "</li>";
}
$brokenPageList .= "</ul>";
Notifications::notifyByEmail("BrokenLink", "Page_BrokenLinkEmail");
} else {
$brokenPageList = '';
}
$deleteList = '';
if( $folderID ) {
$remaining = DB::query("SELECT COUNT(*) FROM `File` WHERE `ParentID`=$folderID")->value();
if( !$remaining )
$deleteList .= "Element.removeClassName(\$('sitetree').getTreeNodeByIdx( '$folderID' ).getElementsByTagName('a')[0],'contents');";
}
} else {
user_error("No files in $fileList could be found!", E_USER_ERROR);
}
}
$message = sprintf(_t('AssetAdmin.DELETEDX',"Deleted %s files.%s"),$numFiles,$brokenPageList) ;
FormResponse::add($deleteList);
FormResponse::status_message($message, "good");
FormResponse::add("$('Form_EditForm').getPageFromServer($('Form_EditForm_ID').value)");
return FormResponse::respond();
}
/**
* Returns the content to be placed in Form_SubForm when editing a file.
* Called using ajax.
*/
public function getfile() {
SSViewer::setOption('rewriteHashlinks', false);
// bdc: only try to return something if user clicked on an object
if (is_object($this->getSubForm($this->urlParams['ID']))) {
return $this->getSubForm($this->urlParams['ID'])->formHtmlContent();
}
else return null;
}
/**
* Action handler for the save button on the file subform.
* Saves the file
*/
public function savefile($data, $form) {
$record = DataObject::get_by_id("File", $data['ID']);
$form->saveInto($record);
$record->write();
$title = Convert::raw2js($record->Title);
$name = Convert::raw2js($record->Name);
$saved = sprintf(_t('AssetAdmin.SAVEDFILE','Saved file %s'),"#$data[ID]");
echo <<<JS
statusMessage('$saved');
$('record-$data[ID]').getElementsByTagName('td')[1].innerHTML = "$title";
$('record-$data[ID]').getElementsByTagName('td')[2].innerHTML = "$name";
JS;
}
/**
* Return the entire site tree as a nested set of ULs
*/
public function SiteTreeAsUL() {
$obj = singleton('Folder');
$obj->setMarkingFilter("ClassName", "Folder");
$obj->markPartialTree();
if($p = $this->currentPage()) $obj->markToExpose($p);
// getChildrenAsUL is a flexible and complex way of traversing the tree
$siteTree = $obj->getChildrenAsUL("",
' "<li id=\"record-$child->ID\" class=\"$child->class" . $child->markingClasses() . ($extraArg->isCurrentPage($child) ? " current" : "") . "\">" . ' .
' "<a href=\"" . Director::link(substr($extraArg->Link(),0,-1), "show", $child->ID) . "\" class=\"" . ($child->hasChildren() ? " contents" : "") . "\" >" . $child->TreeTitle() . "</a>" ',
$this, true);
// Wrap the root if needs be.
$rootLink = $this->Link() . 'show/root';
if(!isset($rootID)) $siteTree = "<ul id=\"sitetree\" class=\"tree unformatted\"><li id=\"record-root\" class=\"Root\"><a href=\"$rootLink\"><strong>http://www.yoursite.com/assets</strong></a>"
. $siteTree . "</li></ul>";
return $siteTree;
}
/**
* Returns a subtree of items underneat the given folder.
*/
public function getsubtree() {
$obj = DataObject::get_by_id("Folder", $_REQUEST['ID']);
$obj->setMarkingFilter("ClassName", "Folder");
$obj->markPartialTree();
$results = $obj->getChildrenAsUL("",
' "<li id=\"record-$child->ID\" class=\"$child->class" . $child->markingClasses() . ($extraArg->isCurrentPage($child) ? " current" : "") . "\">" . ' .
' "<a href=\"" . Director::link(substr($extraArg->Link(),0,-1), "show", $child->ID) . "\" >" . $child->TreeTitle() . "</a>" ',
$this, true);
return substr(trim($results), 4,-5);
}
//------------------------------------------------------------------------------------------//
// Data saving handlers
/**
* Add a new folder and return its details suitable for ajax.
*/
public function addfolder() {
$parent = ($_REQUEST['ParentID'] && is_numeric($_REQUEST['ParentID'])) ? $_REQUEST['ParentID'] : 0;
if($parent) {
$parentObj = DataObject::get_by_id("File", $parent);
if(!$parentObj || !$parentObj->ID) $parent = 0;
}
$p = new Folder();
$p->ParentID = $parent;
$p->Title = _t('AssetAdmin.NEWFOLDER',"NewFolder");
$p->Name = _t('AssetAdmin.NEWFOLDER', 'NewFolder');
// Get the folder to be created
if(isset($parentObj->ID)) $filename = $parentObj->FullPath . $p->Name;
else $filename = '../assets/' . $p->Name;
// Ensure uniqueness
$i = 2;
$baseFilename = $filename . '-';
while(file_exists($filename)) {
$filename = $baseFilename . $i;
$p->Name = $p->Title = basename($filename);
$i++;
}
// Actually create
if(!file_exists('../assets')) {
mkdir('../assets');
}
mkdir($filename);
chmod($filename, Filesystem::$file_create_mask);
$p->write();
if(isset($_REQUEST['returnID'])) {
return $p->ID;
} else {
return $this->returnItemToUser($p);
}
}
/**
* Return the given tree item to the client.
* If called by ajax, this will be some javascript commands.
* Otherwise, it will redirect back.
*/
public function returnItemToUser($p) {
if($_REQUEST['ajax']) {
$parentID = (int)$p->ParentID;
return <<<JS
tree = $('sitetree');
var newNode = tree.createTreeNode($p->ID, "$p->Title", "$p->class");
tree.getTreeNodeByIdx($parentID).appendTreeNode(newNode);
newNode.selectTreeNode();
JS;
} else {
Director::redirectBack();
}
}
/**
* Delete a folder
*/
public function deletefolder() {
$script = '';
$ids = split(' *, *', $_REQUEST['csvIDs']);
$script = '';
foreach($ids as $id) {
if(is_numeric($id)) {
$record = DataObject::get_by_id($this->stat('tree_class'), $id);
if(!$record)
Debug::message( "Record appears to be null" );
/*if($record->hasMethod('BackLinkTracking')) {
$brokenPages = $record->BackLinkTracking();
foreach($brokenPages as $brokenPage) {
$brokenPageList .= "<li style=\"font-size: 65%\">" . $brokenPage->Breadcrumbs(3, true) . "</li>";
$brokenPage->HasBrokenLink = true;
$notifications[$brokenPage->OwnerID][] = $brokenPage;
$brokenPage->write();
}
}*/
$record->delete();
$record->destroy();
// DataObject::delete_by_id($this->stat('tree_class'), $id);
$script .= $this->deleteTreeNodeJS($record);
}
}
/*if($notifications) foreach($notifications as $memberID => $pages) {
$email = new Page_BrokenLinkEmail();
$email->populateTemplate(new ArrayData(array(
"Recipient" => DataObject::get_by_id("Member", $memberID),
"BrokenPages" => new DataObjectSet($pages),
)));
$email->debug();
$email->send();
}*/
/*
$s = (sizeof($ids) > 1) ? "s" :"";
$message = sizeof($ids) . " folder$s deleted.";
//
if(isset($brokenPageList)) $message .= " The following pages now have broken links:<ul>" . addslashes($brokenPageList) . "</ul>Their owners have been emailed and they will fix up those pages.";
*/
$size = sizeof($ids);
if($size > 1)
$message = $size.' '._t('AssetAdmin.FOLDERSDELETED', 'folders deleted.');
else
$message = $size.' '._t('AssetAdmin.FOLDERDELETED', 'folder deleted.');
if(isset($brokenPageList))
$message .= ' '._t('AssetAdmin.NOWBROKEN', 'The following pages now have broken links:').'<ul>'.addslashes($brokenPageList).'</ul>'.
_t('AssetAdmin.NOWBROKEN2', 'Their owners have been emailed and they will fix up those pages.');
$script .= "statusMessage('$message');";
echo $script;
}
public function removefile(){
if($fileID = $this->urlParams['ID']){
$file = DataObject::get_by_id('File', $fileID);
// Delete the temp verions of this file in assets/_resampled
if($file instanceof Image) {
$file->deleteFormattedImages();
}
$file->delete();
$file->destroy();
if(Director::is_ajax()) {
echo <<<JS
$('Form_EditForm_Files').removeFile($fileID);
statusMessage('removed file', 'good');
JS;
}else{
Director::redirectBack();
}
}else{
user_error("AssetAdmin::removefile: Bad parameters: File=$fileID", E_USER_ERROR);
}
}
public function save($urlParams, $form) {
// Don't save the root folder - there's no database record
if($_REQUEST['ID'] == 'root') {
FormResponse::status_message("Saved", "good");
return FormResponse::respond();
}
$form->dataFieldByName('Title')->value = $form->dataFieldByName('Name')->value;
return parent::save($urlParams, $form);
}
/**
* #################################
* Garbage collection.
* #################################
*/
/**
* Removes all unused thumbnails, and echos status message to user.
*
* @returns null
*/
public function deleteUnusedThumbnails() {
foreach($this->getUnusedThumbnailsArray() as $file) {
unlink("../assets/" . $file);
}
echo "statusMessage('"._t('AssetAdmin.THUMBSDELETED', 'All unused thumbnails have been deleted')."','good')";
}
/**
* 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.
*/
private function getUsedFilesList() {
$result = DB::query("SELECT DISTINCT FileID FROM SiteTree_ImageTracking");
$usedFiles = array();
$where = "";
if($result->numRecords() > 0) {
while($nextResult = $result->next()){
$where .= $nextResult['FileID'] . ',';
}
}
$classes = ClassInfo::subclassesFor('SiteTree');
foreach($classes as $className) {
$sng = singleton($className);
$objects = DataObject::get($className);
if($objects !== NULL) {
foreach($sng->has_one() as $fieldName => $joinClass) {
if($joinClass == 'Image' || $joinClass == 'File') {
foreach($objects as $object) {
if($object->$fieldName != NULL) $usedFiles[] = $object->$fieldName;
}
} elseif($joinClass == 'Folder') {
/*foreach($objects as $object) {
var_dump($object->$fieldName);
}*/
}
}
}
}
foreach($usedFiles as $file) {
$where .= $file->ID . ',';
}
if($where == "") return "(ClassName = 'File' OR ClassName = 'Image')";
$where = substr($where,0,strlen($where)-1);
$where = "`File`.ID NOT IN (" . $where . ") AND (ClassName = 'File' OR ClassName = 'Image')";
return $where;
}
/**
* Creates table for displaying unused files.
*
* @returns AssetTableField
*/
private function getAssetList() {
$where = $this->getUsedFilesList();
$assetList = new AssetTableField(
$this,
"AssetList",
"File",
array("Title" => _t('AssetAdmin.TITLE', "Title"), "LinkedURL" => _t('AssetAdmin.FILENAME', "Filename")),
"",
$where
);
$assetList->setPopupCaption(_t('AssetAdmin.VIEWASSET', "View Asset"));
$assetList->setPermissions(array("show","delete"));
$assetList->Markable = false;
return $assetList;
}
/**
* Creates array containg all unused thumbnails.
* Array is created in three steps:
* 1.Scan assets folder and retrieve all thumbnails
* 2.Scan all HTMLField in system and retrieve thumbnails from them.
* 3.Count difference between two sets (array_diff)
*
* @returns Array
*/
private function getUnusedThumbnailsArray() {
$allThumbnails = array();
$dirIterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator('../assets'));
foreach ($dirIterator as $file) {
if($file->isFile()) {
if(strpos($file->getPathname(),"_resampled") !== false) {
$pathInfo = pathinfo($file->getPathname());
if(in_array(strtolower($pathInfo['extension']),array('jpeg','jpg','jpe','png','gif'))) {
$path = str_replace('\\','/',$file->getPathname());
$allThumbnails[] = substr($path,strpos($path,'/assets/')+8);
}
}
}
}
$classes = ClassInfo::subclassesFor('SiteTree');
$usedThumbnails = array();
foreach($classes as $className) {
$sng = singleton($className);
$objects = DataObject::get($className);
if($objects !== NULL) {
foreach($objects as $object) {
foreach($sng->db() as $fieldName => $fieldType) {
if($fieldType == 'HTMLText') {
$url1 = HTTP::findByTagAndAttribute($object->$fieldName,array("img" => "src"));
if($url1 != NULL) $usedThumbnails[] = substr($url1[0],strpos($url1[0],'/assets/')+8);
if($object->latestPublished > 0) {
$object = Versioned::get_latest_version($className, $object->ID);
$url2 = HTTP::findByTagAndAttribute($object->$fieldName,array("img" => "src"));
if($url2 != NULL) $usedThumbnails[] = substr($url2[0],strpos($url2[0],'/assets/')+8);
}
}
}
}
}
}
return array_diff($allThumbnails,$usedThumbnails);
}
}
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