h5p-php-library/h5p-default-storage.class.php

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<?php
/**
*
*/
namespace H5P;
/**
*
*/
class DefaultStorage implements \H5P\FileStorage {
private $path;
/**
* The great Constructor!
*/
function __construct($path) {
// Set H5P storage path
$this->path = $path;
// TODO: Check if Dirs are ready? Perhaps in each function?
}
/**
* Store the library folder.
*
* @param array $library
* Library properties
*/
public function saveLibrary($library) {
$dest = $this->path . '/libraries/' . \H5PCore::libraryToString($library, TRUE);
// Make sure destination dir doesn't exist
\H5PCore::deleteFileTree($dest);
// Move library folder
self::copyFileTree($library['uploadDirectory'], $dest);
}
/**
* Store the content folder.
*
* @param string $source
* Path on file system to content directory.
* @param int $id
* What makes this content unique.
*/
public function saveContent($source, $id) {
self::copyFileTree($source, $this->path . '/content/' . $id);
}
/**
* Remove content folder.
*
* @param int $id
* Content identifier
*/
public function deleteContent($id) {
// TODO
}
/**
* Creates a stored copy of the content folder.
*
* @param string $id
* Identifier of content to clone.
* @param int $newId
* The cloned content's identifier
*/
public function cloneContent($id, $newId) {
$path = $this->path . '/content/';
self::copyFileTree($path . $id, $path . $newId);
}
/**
* Get path to a new unique tmp folder.
*
* @return string
* Path
*/
public function getTmpPath() {
// TODO
}
/**
* Fetch content folder and save in target directory.
*
* @param int $id
* Content identifier
* @param string $target
* Where the content folder will be saved
*/
public function exportContent($id, $target) {
self::copyFileTree($this->path . '/content/' . $id, $target);
}
/**
* Fetch library folder and save in target directory.
*
* @param array $library
* Library properties
* @param string $target
* Where the library folder will be saved
*/
public function exportLibrary($library, $target) {
// TODO
}
/**
* Save export in file system
*
* @param string $source
* Path on file system to temporary export file.
* @param string $filename
* Name of export file.
*/
public function saveExport($source, $filename) {
// TODO
}
/**
* Removes given export file
*
* @param string $filename
*/
public function removeExport($filename) {
// TODO
}
/**
* Recursive function for copying directories.
*
* @param string $source
* From path
* @param string $destination
* To path
* @return boolean
* Indicates if the directory existed.
*/
private static function copyFileTree($source, $destination) {
if (!self::dirReady($destination)) {
throw new \Exception('unabletocopy');
}
$dir = opendir($source);
if ($dir === FALSE) {
trigger_error('Unable to open directory ' . $source, E_USER_WARNING);
throw new \Exception('unabletocopy');
}
while (false !== ($file = readdir($dir))) {
if (($file != '.') && ($file != '..') && $file != '.git' && $file != '.gitignore') {
if (is_dir($source . DIRECTORY_SEPARATOR . $file)) {
self::copyFileTree($source . DIRECTORY_SEPARATOR . $file, $destination . DIRECTORY_SEPARATOR . $file);
}
else {
copy($source . DIRECTORY_SEPARATOR . $file,$destination . DIRECTORY_SEPARATOR . $file);
}
}
}
closedir($dir);
}
/**
* Recursive function that makes sure the specified directory exists and
* is writable.
*
* @param string $path
* @return bool
*/
private static function dirReady($path) {
if (!file_exists($path)) {
$parent = preg_replace("/\/[^\/]+\/?$/", '', $path);
if (!self::dirReady($parent)) {
return FALSE;
}
mkdir($path, 0777, true);
}
if (!is_dir($path)) {
trigger_error('Path is not a directory ' . $path, E_USER_WARNING);
return FALSE;
}
if (!is_writable($path)) {
trigger_error('Unable to write to ' . $path . ' check directory permissions ', E_USER_WARNING);
return FALSE;
}
return TRUE;
}
}