silverstripe-dms/code/DMS.php
2012-07-27 17:40:17 +12:00

114 lines
3.7 KiB
PHP

<?php
class DMS implements DMSInterface {
static $dmsFolder = 'dms-assets'; //folder to store the documents in
//How many documents to store in a single folder. The square of this number is the maximum number of documents.
//The number should be a multiple of 10
static $dmsFolderSize = 1000;
static $dmsPath; //DMS path set on creation
static $modelClass = 'DMSDocument';
static function set_model_class($className){
self::$modelClass = $className;
}
/**
* Factory method that returns an instance of the DMS. This could be any class that implements the DMSInterface.
* @static
* @return DMSInterface An instance of the Document Management System
*/
static function getDMSInstance() {
self::$dmsPath = BASE_PATH . DIRECTORY_SEPARATOR . self::$dmsFolder;
$dms = new DMS();
self::createStorageFolder(self::get_DMS_path());
return $dms;
}
static function get_DMS_path() {
return BASE_PATH . DIRECTORY_SEPARATOR . self::$dmsFolder;
}
static function transformFileToFilePath($file) {
//confirm we have a file
$filePath = null;
if (is_string($file)) $filePath = $file;
elseif (is_object($file) && $file->is_a("File")) $filePath = $file->Filename;
if (!$filePath) throw new FileNotFoundException();
return $filePath;
}
/**
* Takes a File object or a String (path to a file) and copies it into the DMS. The original file remains unchanged.
* When storing a document, sets the fields on the File has "tag" metadata.
* @param $file File object, or String that is path to a file to store, e.g. "assets/documents/industry/supplied-v1-0.pdf"
*/
function storeDocument($file) {
$filePath = self::transformFileToFilePath($file);
//create a new document and get its ID
$modelClass = self::$modelClass;
$doc = new $modelClass();
$doc->write();
$doc->storeDocument($filePath);
return $doc;
}
/**
*
* Returns a number of Document objects based on the a search by tags. You can search by category alone,
* by tag value alone, or by both. I.e: getByTag("fruits",null); getByTag(null,"banana"); getByTag("fruits","banana")
* @param null $category The metadata category to search for
* @param null $value The metadata value to search for
* @param bool $showEmbargoed Boolean that specifies if embargoed documents should be included in results
* @return DocumentInterface
*/
function getByTag($category = null, $value = null, $showEmbargoed = false) {
// TODO: Implement getByTag() method.
}
/**
* Returns a number of Document objects that match a full-text search of the Documents and their contents
* (if contents is searchable and compatible search module is installed - e.g. FullTextSearch module)
* @param $searchText String to search for
* @param bool $showEmbargoed Boolean that specifies if embargoed documents should be included in results
* @return DocumentInterface
*/
function getByFullTextSearch($searchText, $showEmbargoed = false) {
// TODO: Implement getByFullTextSearch() method.
}
/**
* Returns a list of Document objects associated with a Page
* @param $page SiteTree to fetch the associated Documents from
* @param bool $showEmbargoed Boolean that specifies if embargoed documents should be included in results
* @return DataList Document list associated with the Page
*/
function getByPage($page, $showEmbargoed = false) {
// TODO: Implement getByPage() method.
}
/**
* Creates a storage folder for the given path
* @param $path Path to create a folder for
*/
static function createStorageFolder($path) {
if (!is_dir($path)) {
mkdir($path, 0777);
}
}
/**
* Calculates the storage path from a database DMSDocument ID
*/
static function getStorageFolder($id) {
$folderName = intval($id / self::$dmsFolderSize);
return $folderName;
}
}