617 lines
18 KiB
PHP
Executable File
617 lines
18 KiB
PHP
Executable File
<?php
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/**
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* This class handles the representation of a File within Sapphire
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* Note: The files are stored in the "/assets/" directory, but sapphire
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* looks at the db object to gather information about a file such as URL
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*
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* It then uses this for all processing functions (like image manipulation)
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*/
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class File extends DataObject {
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static $default_sort = "Name";
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/**
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* @var array Key is the extension, which has an array of MaxSize and WarnSize,
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* e.g. array("jpg" => array("MaxSize"=>1000, "WarnSize=>500"))
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*/
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static $file_size_restrictions = array();
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/**
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* @var array Collection of extensions, e.g. array("jpg","gif")
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*/
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static $allowed_file_types = array();
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static $singular_name = "File";
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static $plural_name = "Files";
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static $db = array(
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"Name" => "Varchar(255)",
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"Title" => "Varchar(255)",
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"Filename" => "Varchar(255)",
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"Content" => "Text",
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"Sort" => "Int"
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);
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static $indexes = array(
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"SearchFields" => "fulltext (Filename,Title,Content)",
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);
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static $has_one = array(
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"Parent" => "File",
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"Owner" => "Member"
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);
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static $extensions = array(
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"Hierarchy",
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);
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static $belongs_many_many = array(
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"BackLinkTracking" => "SiteTree",
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);
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/**
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* Set the maximum
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*/
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static function setMaxFileSize( $maxSize, $warningSize, $extension = '*' ) {
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self::$file_size_restrictions[$extension]['MaxSize'] = $maxSize;
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self::$file_size_restrictions[$extension]['WarnSize'] = $warningSize;
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}
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static function getMaxFileSize($extension = '*') {
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if(!isset(self::$file_size_restrictions[$extension])) {
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if(isset(self::$file_size_restrictions['*'])) {
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$extension = '*';
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} else {
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return null;
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}
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}
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return array( self::$file_size_restrictions[$extension]['MaxSize'], self::$file_size_restrictions[$extension]['WarnSize'] );
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}
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static function allowedFileType( $extension ) {
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return true;
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}
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/*
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* Find the given file
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*/
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static function find($filename) {
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// Get the base file if $filename points to a resampled file
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$filename = ereg_replace('_resampled/[^-]+-','',$filename);
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$parts = explode("/",$filename);
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$parentID = 0;
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foreach($parts as $part) {
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if($part == "assets" && !$parentID) continue;
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$item = DataObject::get_one("File", "Name = '$part' AND ParentID = $parentID");
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if(!$item) break;
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$parentID = $item->ID;
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}
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return $item;
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}
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public function appCategory() {
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$ext = $this->Extension;
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switch($ext) {
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case "aif": case "au": case "mid": case "midi": case "mp3": case "ra": case "ram": case "rm":
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case "mp3": case "wav": case "m4a": case "snd": case "aifc": case "aiff": case "wma": case "apl":
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case "avr": case "cda": case "mp4": case "ogg":
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return "audio";
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case "mpeg": case "mpg": case "m1v": case "mp2": case "mpa": case "mpe": case "ifo": case "vob":
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case "avi": case "wmv": case "asf": case "m2v": case "qt":
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return "mov";
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case "arc": case "rar": case "tar": case "gz": case "tgz": case "bz2": case "dmg": case "jar":
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case "ace": case "arj": case "bz": case "cab":
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return "zip";
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case "bmp": case "gif": case "jpg": case "jpeg": case "pcx": case "tif": case "png": case "alpha":
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case "als": case "cel": case "icon": case "ico": case "ps":
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return "image";
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}
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}
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function CMSThumbnail() {
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$filename = $this->Icon();
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return "<div style=\"text-align:center;width: 100px;padding-top: 15px;\"><a target=\"_blank\" href=\"$this->URL\" title=\"Download: $this->URL\"><img src=\"$filename\" alt=\"$filename\" /></a><br /><br /><a style=\"color: #0074C6;\"target=\"_blank\" href=\"$this->URL\" title=\"Download: $this->URL\">Download</a><br /><em>$this->Size</e></div>";
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}
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/**
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* Return the URL of an icon for the file type
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*/
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function Icon() {
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$ext = $this->Extension;
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if(!Director::fileExists("sapphire/images/app_icons/{$ext}_32.gif")) {
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/*switch($ext) {
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case "aif": case "au": case "mid": case "midi": case "mp3": case "ra": case "ram": case "rm":
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case "mp3": case "wav": case "m4a":
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$ext = "audio"; break;
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case "arc": case "rar": case "tar": case "gz": case "tgz": case "bz2": case "dmg":
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$ext = "zip"; break;
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case "bmp": case "gif": case "jpg": case "jpeg": case "pcx": case "tif": case "png":
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$ext = "image"; break;
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}*/
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$ext = $this->appCategory();
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}
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if(!Director::fileExists("sapphire/images/app_icons/{$ext}_32.gif")) {
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$ext = "generic";
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}
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return "sapphire/images/app_icons/{$ext}_32.gif";
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}
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/**
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* Save an file passed from a form post into this object
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*/
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function loadUploaded($tmpFile) {
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if(!is_array($tmpFile)) user_error("File::loadUploaded() Not passed an array. Most likely, the form hasn't got the right enctype", E_USER_ERROR);
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if(!$tmpFile['size']) return;
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// @TODO This puts a HUGE limitation on files especially when lots
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// have been uploaded.
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$base = dirname(dirname($_SERVER['SCRIPT_FILENAME']));
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$class = $this->class;
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$parentFolder = Folder::findOrMake("Uploads");
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// Create a folder for uploading.
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if(!file_exists("$base/assets")){
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mkdir("$base/assets", Filesystem::$folder_create_mask);
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}
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if(!file_exists("$base/assets/Uploads")){
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mkdir("$base/assets/Uploads", Filesystem::$folder_create_mask);
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}
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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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$file = basename($file);
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$file = "assets/Uploads/$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 = $file;
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if(substr($file, strlen($file) - strlen('.tar.gz')) == '.tar.gz' ||
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substr($file, strlen($file) - strlen('.tar.bz2')) == '.tar.bz2') {
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$file = ereg_replace('[0-9]*(\.tar\.[^.]+$)',$i . '\\1', $file);
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} else {
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$file = ereg_replace('[0-9]*(\.[^.]+$)',$i . '\\1', $file);
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}
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if($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/$file")) {
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// Update with the new image
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/*$this->Filename = */ // $this->Name = null;
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// $this->Filename = $file;
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// This is to prevent it from trying to rename the file
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$this->record['Name'] = null;
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$this->ParentID = $parentFolder->ID;
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$this->Name = basename($file);
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$this->write();
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return true;
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} else {
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user_error("File::loadUploaded: 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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* This function ensures the file table is correct with the files in the assets folder.
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*/
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static function sync() {
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singleton('Folder')->syncChildren();
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$finished = false;
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while(!$finished) {
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$orphans = DB::query("SELECT C.ID FROM File AS C LEFT JOIN File AS P ON C.ParentID = P.ID WHERE P.ID IS NULL AND C.ParentID > 0");
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$finished = true;
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if($orphans) foreach($orphans as $orphan) {
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$finished = false;
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// Delete the database record but leave the filesystem alone
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$file = DataObject::get_by_id("File", $orphan['ID']);
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$file->deleteDatabaseOnly();
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}
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}
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}
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/*
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* Help to load the content of different type of files to File Table Content Field
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*/
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function test() {
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Debug::show(get_defined_functions());
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}
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function loadallcontent() {
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ini_set("max_execution_time", 50000);
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// get all file objects(not folders)
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$start = (int)$_GET[start];
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$allFiles = DataObject::get("File", "ClassName = 'File' AND Filename LIKE '%.pdf'", "", "", "$start, 5");
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$total = $allFiles->TotalItems();
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$i = $start;
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foreach($allFiles as $file) {
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$i++;
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$tmp = TEMP_FOLDER;
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`echo "$i / $total" > $tmp/progress`;
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$file->loadContent();
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}
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Director::redirect(HTTP::setGetVar("start", $start + 5));
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// run loadcontent on each one
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}
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/**
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* Gets the content of this file and puts it in the field Content
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*/
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function loadContent() {
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switch(strtolower($this->getExtension())){
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case 'pdf':
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$filename = escapeshellarg($this->getFullPath());
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$content = `pstotext $filename`;
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//echo("<pre>Content for $this->Filename:\n$content</pre>");
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$this->Content = $content;
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$this->write();
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break;
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}
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}
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function Link($action = null) {
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return Director::baseURL() . $this->RelativeLink($action);
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}
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function RelativeLink($action = null){
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return $this->Filename;
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}
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function TreeTitle() {
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return $this->Title;
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}
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/**
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* Event handler called before deleting from the database.
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* You can overload this to clean up or otherwise process data before delete this
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* record. Don't forget to call parent::onBeforeDelete(), though!
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*/
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protected function onBeforeDelete() {
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parent::onBeforeDelete();
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$this->autosetFilename();
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if($this->Filename && $this->Name && file_exists($this->getFullPath()) && !is_dir($this->getFullPath())) unlink($this->getFullPath());
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if($brokenPages = $this->BackLinkTracking()) {
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foreach($brokenPages as $brokenPage) {
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Notifications::event("BrokenLink", $brokenPage, $brokenPage->OwnerID);
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$brokenPage->HasBrokenFile = true;
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$brokenPage->write();
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}
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}
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}
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/**
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* Delete the database record (recursively for folders) without touching the filesystem
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*/
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protected function deleteDatabaseOnly() {
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if(is_numeric($this->ID)) DB::query("DELETE FROM File WHERE ID = $this->ID");
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}
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/**
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* Event handler called before deleting from the database.
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* You can overload this to clean up or otherwise process data before delete this
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* record. Don't forget to call parent::onBeforeDelete(), though!
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*/
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protected function onBeforeWrite() {
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parent::onBeforeWrite();
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if(!$this->Name) $this->Name = "new-" . strtolower($this->class);
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if($brokenPages = $this->BackLinkTracking()) {
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foreach($brokenPages as $brokenPage) {
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Notifications::event("BrokenLink", $brokenPage, $brokenPage->OwnerID);
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$brokenPage->HasBrokenFile = true;
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$brokenPage->write();
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}
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}
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}
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/**
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* Collate selected descendants of this page.
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* $condition will be evaluated on each descendant, and if it is succeeds, that item will be added
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* to the $collator array.
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* @param condition The PHP condition to be evaluated. The page will be called $item
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* @param collator An array, passed by reference, to collect all of the matching descendants.
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*/
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public function collateDescendants($condition, &$collator) {
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if($children = $this->Children()) {
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foreach($children as $item) {
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if(!$condition || eval("return $condition;")) $collator[] = $item;
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$item->collateDescendants($condition, $collator);
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}
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return true;
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}
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}
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/**
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* Setter function for Name.
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* Automatically sets a default title.
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*/
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function setName($name) {
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$oldName = $this->Name;
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// It can't be blank
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if(!$name) $name = $this->Title;
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// Fix illegal characters
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$name = ereg_replace(' +','-',trim($name));
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$name = ereg_replace('[^A-Za-z0-9.+_\-]','',$name);
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// We might have just turned it blank, so check again.
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if(!$name) $name = 'new-folder';
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// If it's changed, check for duplicates
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if($oldName && $oldName != $name) {
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if($dotPos = strpos($name, '.')) {
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$base = substr($name,0,$dotPos);
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$ext = substr($name,$dotPos);
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} else {
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$base = $name;
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$ext = "";
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}
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$suffix = 1;
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while(DataObject::get_one("File", "Name = '" . addslashes($name) . "' AND ParentID = " . (int)$this->ParentID)) {
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$suffix++;
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$name = "$base-$suffix$ext";
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}
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}
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if(!$this->getField('Title')) $this->__set('Title', str_replace(array('-','_'),' ',ereg_replace('\.[^.]+$','',$name)));
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$this->setField('Name', $name);
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if($oldName && $oldName != $this->Name) {
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$this->resetFilename();
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} else {
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$this->autosetFilename();
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}
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return $this->getField('Name');
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}
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/**
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* Change a filename, moving the file if appropriate.
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* @param $renamePhysicalFile Set this to false if you don't want to rename the physical file. Used when calling resetFilename() on the children of a folder.
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*/
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protected function resetFilename($renamePhysicalFile = true) {
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$oldFilename = $this->getField('Filename');
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$newFilename = $this->getRelativePath();
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if($this->Name && $this->Filename && file_exists(Director::getAbsFile($oldFilename)) && strpos($oldFilename, '//') === false) {
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if($renamePhysicalFile) {
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$from = Director::getAbsFile($oldFilename);
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$to = Director::getAbsFile($newFilename);
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// Error checking
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if(!file_exists($from)) user_error("Cannot move $oldFilename to $newFilename - $oldFilename doesn't exist", E_USER_WARNING);
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else if(!file_exists(dirname($to))) user_error("Cannot move $oldFilename to $newFilename - " . dirname($newFilename) . " doesn't exist", E_USER_WARNING);
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else if(!rename($from, $to)) user_error("Cannot move $oldFilename to $newFilename", E_USER_WARNING);
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else $this->updateLinks($oldFilename, $newFilename);
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} else {
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$this->updateLinks($oldFilename, $newFilename);
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}
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} else {
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// If the old file doesn't exist, maybe it's already been renamed.
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if(file_exists(Director::getAbsFile($newFilename))) $this->updateLinks($oldFilename, $newFilename);
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}
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$this->setField('Filename', $newFilename);
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}
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/**
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* Set the Filename field without manipulating the filesystem.
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*/
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protected function autosetFilename() {
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$this->setField('Filename', $this->getRelativePath());
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}
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function setField( $field, $value ) {
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parent::setField( $field, $value );
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}
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/**
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* Rewrite links to the $old file to now point to the $new file
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*/
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protected function updateLinks($old, $new) {
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$pages = $this->BackLinkTracking();
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if($pages) {
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foreach($pages as $page) {
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$fieldName = $page->FieldName; // extracted from the many-many join
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if($fieldName) {
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$text = $page->$fieldName;
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$page->$fieldName = str_replace($old, $new, $page->$fieldName);
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$page->write();
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}
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}
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}
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}
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function setParentID($parentID) {
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$this->setField('ParentID', $parentID);
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if($this->Name) $this->resetFilename();
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else $this->autosetFilename();
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return $this->getField('ParentID');
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}
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function getURL() {
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return Director::absoluteBaseURL() . $this->getFilename();
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}
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/**
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* Return the last 50 characters of the URL
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*/
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function getLinkedURL() {
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return "$this->Name";
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}
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function getFullPath() {
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return Director::baseFolder() . '/' . $this->getFilename();
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}
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function getRelativePath() {
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if($this->ParentID) {
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$p = DataObject::get_one('Folder', "ID={$this->ParentID}");
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if($p->ID) return $p->getRelativePath() . $this->getField("Name");
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else return "assets/" . $this->getField("Name");
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} else if($this->getField("Name")) {
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return "assets/" . $this->getField("Name");
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} else {
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return "assets";
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}
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}
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function DeleteLink() {
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return Director::absoluteBaseURL()."admin/assets/removefile/".$this->ID;
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}
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function getFilename() {
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if($this->getField('Name')) return $this->getField('Filename');
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else return 'assets/';
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}
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function setFilename($val) {
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$this->setField('Filename', $val);
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$this->setField('Name', basename($val));
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}
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/*
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* FIXME This overrides getExtension() in DataObject, but it does something completely different.
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* This should be renamed to getFileExtension(), but has not been yet as it may break
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* legacy code.
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*/
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function getExtension() {
|
|
return strtolower(substr($this->getField('Name'),strrpos($this->getField('Name'),'.')+1));
|
|
}
|
|
function getFileType() {
|
|
$types = array(
|
|
'gif' => 'GIF Image - good for diagrams',
|
|
'jpg' => 'JPEG Image - good for photos',
|
|
'jpeg' => 'JPEG Image - good for photos',
|
|
'png' => 'PNG Image - good general-purpose format',
|
|
'doc' => 'Word Document',
|
|
'xls' => 'Excel Spreadsheet',
|
|
'zip' => 'ZIP compressed file',
|
|
'gz' => 'GZIP compressed file',
|
|
'dmg' => 'Apple Disk Image',
|
|
'pdf' => 'Adobe Acrobat PDF file',
|
|
);
|
|
$ext = $this->getExtension();
|
|
return isset($types[$ext]) ? $types[$ext] : 'unknown';
|
|
}
|
|
|
|
/**
|
|
* Returns the size of the file type in an appropriate format.
|
|
*/
|
|
function getSize() {
|
|
$size = $this->getAbsoluteSize();
|
|
if($size){
|
|
if($size < 1024) return $size . ' bytes';
|
|
if($size < 1024*10) return (round($size/1024*10)/10). ' KB';
|
|
if($size < 1024*1024) return round($size/1024) . ' KB';
|
|
if($size < 1024*1024*10) return (round(($size/1024)/1024*10)/10) . ' MB';
|
|
if($size < 1024*1024*1024) return round(($size/1024)/1024) . ' MB';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* returns the size in bytes with no extensions for calculations.
|
|
*/
|
|
function getAbsoluteSize(){
|
|
if(file_exists($this->getFullPath() )) {
|
|
$size = filesize($this->getFullPath());
|
|
return $size;
|
|
}else{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------//
|
|
// Helper control functions
|
|
function moverootfilesto() {
|
|
if($folder = $this->urlParams[ID]) {
|
|
$newParent = Folder::findOrMake($folder);
|
|
$files = DataObject::get("File", "ClassName != 'Folder' AND ParentID = 0");
|
|
foreach($files as $file) {
|
|
echo "<li>" , $file->RelativePath;
|
|
$file->ParentID = $newParent->ID;
|
|
echo " -> " , $file->RelativePath;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Cleanup function to reset all the Filename fields. Visit File/fixfiles to call.
|
|
*/
|
|
function fixfiles() {
|
|
$files = DataObject::get("File");
|
|
foreach($files as $file) {
|
|
$file->resetFilename();
|
|
echo "<li>", $file->Filename;
|
|
$file->write();
|
|
}
|
|
echo "<p>Done!";
|
|
}
|
|
|
|
/**
|
|
* We've overridden the DataObject::get function for File so that the very large content field
|
|
* is excluded!
|
|
*
|
|
* @todo Admittedly this is a bit of a hack; but we need a way of ensuring that large
|
|
* TEXT fields don't stuff things up for the rest of us. Perhaps a separate search table would
|
|
* be a better way of approaching this?
|
|
*/
|
|
public function instance_get($filter = "", $sort = "", $join = "", $limit="", $containerClass = "DataObjectSet", $having="") {
|
|
if($this->hasMethod('alternative_instance_get')) return $this->alternative_instance_get($filter, $sort, $join, $limit, $containerClass, $having);
|
|
|
|
$query = $this->extendedSQL($filter, $sort, $limit, $join, $having);
|
|
$baseTable = reset($query->from);
|
|
|
|
$query->select = array("$baseTable.ID","$baseTable.ClassName","$baseTable.Created","$baseTable.LastEdited","$baseTable.Name","$baseTable.Title","$baseTable.Content","$baseTable.ParentID","$baseTable.Filename","if($baseTable.ClassName,$baseTable.ClassName,'File') AS RecordClassName");
|
|
|
|
$records = $query->execute();
|
|
$ret = $this->buildDataObjectSet($records, $containerClass);
|
|
if($ret) $ret->parseQueryLimit($query);
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Stub, overridden by Folder
|
|
*/
|
|
function userCanEdit() {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
?>
|