mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
9371f4688b
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@63154 467b73ca-7a2a-4603-9d3b-597d59a354a9
503 lines
16 KiB
PHP
Executable File
503 lines
16 KiB
PHP
Executable File
<?php
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/**
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* Represents a folder in the assets directory.
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* @package sapphire
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* @subpackage filesystem
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*/
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class Folder extends File {
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static $many_many = array(
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"CanUse" => "Group",
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"CanEdit" => "Group"
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);
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/**
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* @todo: DataObject::CanEdit() is a permission checking function; the CanEdit relation should be renamed to Editors or something
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*/
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function CanEdit() {
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return $this->getManyManyComponents('CanEdit');
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}
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/*
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* Find the given folder or create it, recursively.
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*
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* @param $folderPath string Absolute or relative path to the file
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*/
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static function findOrMake($folderPath) {
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$folderPath = trim(Director::makeRelative($folderPath));
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// replace leading and trailing slashes
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$folderPath = preg_replace('/^\/?(.*)\/?$/', '$1', $folderPath);
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$parts = explode("/",$folderPath);
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$parentID = 0;
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foreach($parts as $part) {
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$item = DataObject::get_one("Folder", "Name = '$part' AND ParentID = $parentID");
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if(!$item) {
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$item = new Folder();
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$item->ParentID = $parentID;
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$item->Name = $part;
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$item->write();
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if(!file_exists($item->getFullPath())) mkdir($item->getFullPath(),Filesystem::$folder_create_mask);
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}
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$parentID = $item->ID;
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}
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return $item;
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}
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function userCanUse() {
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if( Member::currentUser()->isAdmin() )
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return true;
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$useGroups = $this->CanUse();
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if( !$useGroups || $useGroups->Count() == 0 )
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return true;
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foreach( $useGroups as $useGroup )
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if( Member::currentUser()->inGroup( $useGroup->ID ) )
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return true;
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return false;
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}
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function userCanEdit() {
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if( Member::currentUser()->isAdmin() )
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return true;
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$useGroups = $this->CanEdit();
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if( !$useGroups || $useGroups->Count() == 0 )
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return true;
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foreach( $useGroups as $useGroup )
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if( Member::currentUser()->inGroup( $useGroup->ID ) )
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return true;
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return false;
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}
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/**
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* Syncronise the file database with the actual content of the assets folder
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*/
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function syncChildren() {
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$parentID = (int)$this->ID; // parentID = 0 on the singleton, used as the 'root node';
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$added = 0;
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$deleted = 0;
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// First, merge any children that are duplicates
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$duplicateChildrenNames = DB::query("SELECT Name FROM `File` WHERE ParentID = $parentID GROUP BY Name HAVING count(*) > 1")->column();
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if($duplicateChildrenNames) foreach($duplicateChildrenNames as $childName) {
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$childName = addslashes($childName);
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// Note, we do this in the database rather than object-model; otherwise we get all sorts of problems about deleting files
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$children = DB::query("SELECT ID FROM `File` WHERE Name = '$childName' AND ParentID = $parentID")->column();
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if($children) {
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$keptChild = array_shift($children);
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foreach($children as $removedChild) {
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DB::query("UPDATE `File` SET ParentID = $keptChild WHERE ParentID = $removedChild");
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DB::query("DELETE FROM `File` WHERE ID = $removedChild");
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}
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} else {
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user_error("Inconsistent database issue: SELECT ID FROM `File` WHERE Name = '$childName' AND ParentID = $parentID should have returned data", E_USER_WARNING);
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}
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}
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// Get index of database content
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// We don't use DataObject so that things like subsites doesn't muck with this.
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$dbChildren = DB::query("SELECT * FROM File WHERE ParentID = $parentID");
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$hasDbChild = array();
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if($dbChildren) {
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foreach($dbChildren as $dbChild) {
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$className = $dbChild['ClassName'];
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$hasDbChild[$dbChild['Name']] = new $className($dbChild);
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}
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}
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$unwantedDbChildren = $hasDbChild;
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// Iterate through the actual children, correcting the database as necessary
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$baseDir = $this->FullPath;
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if(!$this->Filename) die($this->ID . " - " . $this->FullPath);
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if(file_exists($baseDir)) {
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$actualChildren = scandir($baseDir);
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foreach($actualChildren as $actualChild) {
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if($actualChild[0] == '.') continue; // ignore hidden files
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if(substr($actualChild,0,6) == 'Thumbs') continue; // ignore windows cache stuff
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if($actualChild == '_resampled') continue; // ignore the resampled copies of images
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if($actualChild == '_tmp') continue; // ignore tmp folder for PhotoEditor.
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// A record with a bad class type doesn't deserve to exist. It must be purged!
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if(isset($hasDbChild[$actualChild])) {
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$child = $hasDbChild[$actualChild];
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if( ($child->class != 'Folder' && is_dir($baseDir . $actualChild))
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|| ($child->class == 'Folder' && !is_dir($baseDir . $actualChild)) ) {
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DB::query("DELETE FROM `File` WHERE ID = $child->ID");
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unset($hasDbChild[$actualChild]);
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}
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}
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if(isset($hasDbChild[$actualChild])) {
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$child = $hasDbChild[$actualChild];
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unset($unwantedDbChildren[$actualChild]);
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} else {
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$added++;
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$childID = $this->constructChild($actualChild);
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$child = DataObject::get_by_id("File", $childID);
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}
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if( $child && is_dir($baseDir . $actualChild)) {
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$childResult = $child->syncChildren();
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$added += $childResult['added'];
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$deleted += $childResult['deleted'];
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}
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}
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// Iterate through the unwanted children, removing them all
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if(isset($unwantedDbChildren)) foreach($unwantedDbChildren as $unwantedDbChild) {
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DB::query("DELETE FROM `File` WHERE ID = $unwantedDbChild->ID");
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$deleted++;
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}
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} else {
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DB::query("DELETE FROM `File` WHERE ID = $this->ID");
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}
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return array('added' => $added, 'deleted' => $deleted);
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}
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/**
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* Construct a child of this Folder with the given name.
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* It does this without actually using the object model, as this starts messing
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* with all the data. Rather, it does a direct database insert.
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*/
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function constructChild($name) {
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// Determine the class name - File, Folder or Image
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$baseDir = $this->FullPath;
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if(is_dir($baseDir . $name)) {
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$className = "Folder";
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} else {
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// Could use getimagesize to get the type of the image
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$ext = strtolower(substr($name,strrpos($name,'.')+1));
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switch($ext) {
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case "gif": case "jpg": case "jpeg": case "png": $className = "Image"; break;
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default: $className = "File";
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}
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}
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if(Member::currentUser()) $ownerID = Member::currentUser()->ID;
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else $ownerID = 0;
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$filename = addslashes($this->Filename . $name);
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if($className == 'Folder' ) $filename .= '/';
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$name = addslashes($name);
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DB::query("INSERT INTO `File` SET
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ClassName = '$className', ParentID = $this->ID, OwnerID = $ownerID,
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Name = '$name', Filename = '$filename', Created = NOW(), LastEdited = NOW(),
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Title = '$name'");
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return DB::getGeneratedID("File");
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}
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/**
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* Take a file uploaded via a POST form, and save it inside this folder.
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*/
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function addUploadToFolder($tmpFile) {
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if(!is_array($tmpFile)) {
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user_error("Folder::addUploadToFolder() Not passed an array. Most likely, the form hasn't got the right enctype", E_USER_ERROR);
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}
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if(!$tmpFile['size']) {
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return;
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}
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$base = BASE_PATH;
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// $parentFolder = Folder::findOrMake("Uploads");
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// Generate default filename
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$file = str_replace(' ', '-',$tmpFile['name']);
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$file = ereg_replace('[^A-Za-z0-9+.-]+','',$file);
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$file = ereg_replace('-+', '-',$file);
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$file = $this->RelativePath . $file;
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Filesystem::makeFolder(dirname("$base/$file"));
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while(file_exists("$base/$file")) {
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$i = isset($i) ? ($i+1) : 2;
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$oldFile = $file;
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$file = ereg_replace('[0-9]*(\.[^.]+$)',$i . '\\1', $file);
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if($oldFile == $file && $i > 2) user_error("Couldn't fix $file with $i", E_USER_ERROR);
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}
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if(file_exists($tmpFile['tmp_name']) && copy($tmpFile['tmp_name'], "$base/$file")) {
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// Update with the new image
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return $this->constructChild(basename($file));
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} else {
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user_error("Folder::addUploadToFolder: Couldn't copy '$tmpFile[tmp_name]' to '$file'", E_USER_ERROR);
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return false;
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}
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}
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//-------------------------------------------------------------------------------------------------
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// Data Model Definition
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function getRelativePath() {
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return parent::getRelativePath() . "/";
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}
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function onBeforeDelete() {
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if($children = $this->AllChildren()) {
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foreach($children as $child) {
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if(!$this->Filename || !$this->Name || !file_exists($this->getFullPath())) {
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$child->setField('Name',null);
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$child->Filename = null;
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}
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$child->delete();
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}
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}
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// Do this after so a folder's contents are removed before we delete the folder.
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if($this->Filename && $this->Name && file_exists($this->getFullPath())) {
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$files = glob( $this->getFullPath() . '/*' );
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if( !$files || ( count( $files ) == 1 && preg_match( '/\/_resampled$/', $files[0] ) ) )
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Filesystem::removeFolder( $this->getFullPath() );
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}
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parent::onBeforeDelete();
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}
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/**
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* Delete the database record (recursively for folders) without touching the filesystem
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*/
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function deleteDatabaseOnly() {
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if($children = $this->myChildren()) {
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foreach($children as $child) $child->deleteDatabaseOnly();
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}
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parent::deleteDatabaseOnly();
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}
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public function myChildren() {
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// Ugly, but functional.
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$ancestors = ClassInfo::ancestry($this->class);
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foreach($ancestors as $i => $a) {
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if(isset($baseClass) && $baseClass === -1) {
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$baseClass = $a;
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break;
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}
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if($a == "DataObject") $baseClass = -1;
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}
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$g = DataObject::get($baseClass, "ParentID = " . $this->ID);
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return $g;
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}
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/**
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* Returns true if this folder has children
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*/
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public function hasChildren() {
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return $this->myChildren() && $this->myChildren()->Count() > 0;
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}
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/**
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* Overload autosetFilename() to call autosetFilename() on all the children, too
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*/
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public function autosetFilename() {
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parent::autosetFilename();
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if($children = $this->AllChildren()) {
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$this->write();
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foreach($children as $child) {
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$child->autosetFilename();
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$child->write();
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}
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}
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}
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/**
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* Overload resetFilename() to call resetFilename() on all the children, too.
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* Pass renamePhysicalFile = false, since the folder renaming will have taken care of this
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*/
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protected function resetFilename($renamePhysicalFile = true) {
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parent::resetFilename($renamePhysicalFile);
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if($children = $this->AllChildren()) {
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$this->write();
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foreach($children as $child) {
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$child->resetFilename(false);
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$child->write();
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}
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}
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}
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/**
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* This isn't a decendant of SiteTree, but needs this in case
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* the group is "reorganised";
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*/
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function cmsCleanup_parentChanged(){
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}
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/**
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* Return the FieldSet used to edit this folder in the CMS.
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* You can modify this fieldset by subclassing folder, or by creating a {@link DataObjectDecorator}
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* and implemeting updateCMSFields(FieldSet $fields) on that decorator.
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*/
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function getCMSFields() {
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$nameField = ($this->ID > 0) ? new TextField("Name") : new HiddenField("Name");
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$fileList = new AssetTableField(
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$this,
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"Files",
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"File",
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array("Title" => _t('AssetAdmin.TITLE', "Title"), "LinkedURL" => _t('AssetAdmin.FILENAME', "Filename")),
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""
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);
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$fileList->setFolder($this);
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$fileList->setPopupCaption(_t('AssetAdmin.VIEWEDITASSET', "View/Edit Asset"));
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$nameField = ($this->ID && $this->ID != "root") ? new TextField("Name", "Folder Name") : new HiddenField("Name");
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if( $this->userCanEdit() ) {
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$deleteButton = new InlineFormAction('deletemarked',_t('AssetAdmin.DELSELECTED','Delete selected files'), 'delete');
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$deleteButton->includeDefaultJS(false);
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} else {
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$deleteButton = new HiddenField('deletemarked');
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}
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$fields = new FieldSet(
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new HiddenField("Title"),
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new TabSet("Root",
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new Tab(_t('AssetAdmin.FILESTAB', "Files"),
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$nameField,
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$fileList,
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$deleteButton,
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new HiddenField("FileIDs"),
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new HiddenField("DestFolderID")
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),
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new Tab(_t('AssetAdmin.DETAILSTAB', "Details"),
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new ReadonlyField("URL", _t('AssetAdmin.URL', 'URL')),
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new ReadonlyField("ClassName", _t('AssetAdmin.TYPE','Type')),
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new ReadonlyField("Created", _t('AssetAdmin.CREATED','First Uploaded')),
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new ReadonlyField("LastEdited", _t('AssetAdmin.LASTEDITED','Last Updated'))
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),
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new Tab(_t('AssetAdmin.UPLOADTAB', "Upload"),
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new LiteralField("UploadIframe",
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$this->getUploadIframe()
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)
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),
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new Tab(_t('AssetAdmin.UNUSEDFILESTAB', "Unused files"),
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new LiteralField("UnusedAssets",
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"<div id=\"UnusedAssets\"><h2>"._t('AssetAdmin.UNUSEDFILESTITLE', 'Unused files')."</h2>"
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),
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$this->getAssetList(),
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new LiteralField("UnusedThumbnails",
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"</div>
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<div id=\"UnusedThumbnails\">
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<h2>"._t('AssetAdmin.UNUSEDTHUMBNAILSTITLE', 'Unused thumbnails')."</h2>
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<button class=\"action\">"._t('AssetAdmin.DELETEUNUSEDTHUMBNAILS', 'Delete unused thumbnails')."</button>
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</div>"
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)
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)
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),
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new HiddenField("ID")
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);
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$this->extend('updateCMSFields', $fields);
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return $fields;
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}
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/**
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* Creates table for displaying unused files.
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*
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* @returns AssetTableField
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*/
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protected function getAssetList() {
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$where = $this->getUsedFilesList();
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$assetList = new AssetTableField(
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$this,
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"AssetList",
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"File",
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array("Title" => _t('AssetAdmin.TITLE', "Title"), "LinkedURL" => _t('AssetAdmin.FILENAME', "Filename")),
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"",
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$where
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);
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$assetList->setPopupCaption(_t('AssetAdmin.VIEWASSET', "View Asset"));
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$assetList->setPermissions(array("show","delete"));
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$assetList->Markable = false;
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return $assetList;
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}
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/**
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* Looks for files used in system and create where clause which contains all ID's of files.
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*
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* @returns String where clause which will work as filter.
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*/
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protected function getUsedFilesList() {
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$result = DB::query("SELECT DISTINCT FileID FROM SiteTree_ImageTracking");
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$usedFiles = array();
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$where = "";
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if($result->numRecords() > 0) {
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while($nextResult = $result->next()){
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$where .= $nextResult['FileID'] . ',';
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}
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}
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$classes = ClassInfo::subclassesFor('SiteTree');
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foreach($classes as $className) {
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$query = singleton($className)->extendedSQL();
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$ids = $query->execute()->column();
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if(!count($ids)) continue;
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foreach(singleton($className)->has_one() as $fieldName => $joinClass) {
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if($joinClass == 'Image' || $joinClass == 'File') {
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foreach($ids as $id) {
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$object = DataObject::get_by_id($className, $id);
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if($object->$fieldName != NULL) $usedFiles[] = $object->$fieldName;
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unset($object);
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}
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} elseif($joinClass == 'Folder') {
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// @todo
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}
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}
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}
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foreach($usedFiles as $file) {
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$where .= $file->ID . ',';
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}
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if($where == "") return "(ClassName = 'File' OR ClassName = 'Image')";
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$where = substr($where,0,strlen($where)-1);
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$where = "`File`.ID NOT IN (" . $where . ") AND (ClassName = 'File' OR ClassName = 'Image')";
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return $where;
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}
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/**
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* Display the upload form. Returns an iframe tag that will show admin/assets/uploadiframe.
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*/
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function getUploadIframe() {
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return <<<HTML
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<iframe name="AssetAdmin_upload" src="admin/assets/uploadiframe/{$this->ID}" id="AssetAdmin_upload" border="0" style="border-style: none; width: 100%; height: 200px">
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</iframe>
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HTML;
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}
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/**
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* Since this is a folder, we don't have any content as such.
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*/
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function loadContent() {
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return;
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}
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}
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?>
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