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233 lines (207 loc) · 5.5 KB
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<?php
App::uses('File', 'Utility');
App::uses('Folder', 'Utility');
App::uses('FileStorageAppModel', 'FileStorage.Model');
App::uses('StorageManager', 'FileStorage.Lib');
App::uses('FileStorageUtils', 'FileStorage.Utility');
/**
* FileStorage
*
* @author Florian Krämer
* @copyright 2012 Florian Krämer
* @license MIT
*/
class FileStorage extends FileStorageAppModel {
/**
* Name
*
* @var string
*/
public $name = 'FileStorage';
/**
* Table name
*
* @var string
*/
public $useTable = 'file_storage';
/**
* Displayfield
*
* @var string
*/
public $displayField = 'filename';
/**
* The record that was deleted
*
* This gets set in the beforeDelete() callback so that the data is available
* in the afterDelete() callback
*
* @var array
*/
public $record = array();
/**
* Validation rules
*
* @var array
*/
public $validate = array(
'adapter' => array(
'notEmpty' => array(
'rule' => array('notEmpty'))),
'path' => array(
'notEmpty' => array(
'rule' => array('notEmpty'))),
'foreign_key' => array(
'notEmpty' => array(
'rule' => array('notEmpty'))),
'model' => array(
'notEmpty' => array(
'rule' => array('notEmpty'))));
/**
* Renews the FileUpload behavior with a new configuration
*
* @param array $options
* @return void
*/
public function configureUploadValidation($options) {
$this->Behaviors->unload('FileStorage.UploadValidator');
$this->Behaviors->load('FileStorage.UploadValidator', $options);
}
/**
* beforeSave callback
*
* @param array $options
* @return boolean true on success
*/
public function beforeSave($options = array()) {
if (!empty($this->data[$this->alias]['file']['tmp_name'])) {
$File = new File($this->data[$this->alias]['file']['tmp_name']);
$this->data[$this->alias]['filesize'] = $File->size();
$this->data[$this->alias]['mime_type'] = $File->mime();
}
if (!empty($this->data[$this->alias]['file']['name'])) {
$this->data[$this->alias]['extension'] = $this->fileExtension($this->data[$this->alias]['file']['name']);
$this->data[$this->alias]['filename'] = $this->data[$this->alias]['file']['name'];
}
if (empty($this->data[$this->alias]['adapter'])) {
$this->data[$this->alias]['adapter'] = 'Local';
}
$Event = new CakeEvent('FileStorage.beforeSave', $this, array(
'record' => $this->data,
'storage' => StorageManager::adapter($this->data[$this->alias]['adapter'])));
CakeEventManager::instance()->dispatch($Event);
if ($Event->isStopped()) {
return false;
}
return true;
}
/**
* afterSave callback
*
* @param boolean $created
* @return void
*/
public function afterSave($created) {
if ($created) {
$this->data[$this->alias][$this->primaryKey] = $this->getLastInsertId();
}
$Event = new CakeEvent('FileStorage.afterSave', $this, array(
'created' => $created,
'record' => $this->record,
'storage' => StorageManager::adapter($this->data[$this->alias]['adapter'])));
CakeEventManager::instance()->dispatch($Event);
}
/**
* Get a copy of the actual record before we delete it to have it present in afterDelete
*
* @param boolean $cascade
* @return boolean
*/
public function beforeDelete($cascade = true) {
if (!parent::beforeDelete($cascade)) {
return false;
}
$this->record = $this->find('first', array(
'contain' => array(),
'conditions' => array(
$this->alias . '.' . $this->primaryKey => $this->id)));
if (empty($this->record)) {
return false;
}
return true;
}
/**
* afterDelete callback
*
* @return mixed
*/
public function afterDelete() {
try {
$Storage = Storagemanager::adapter($this->record[$this->alias]['adapter']);
$Storage->delete($this->record[$this->alias]['path']);
} catch (Exception $e) {
$this->log($e->getMessage(), 'file_storage');
return false;
}
$Event = new CakeEvent('FileStorage.afterDelete', $this, array(
'record' => $this->record,
'storage' => StorageManager::adapter($this->record[$this->alias]['adapter'])));
CakeEventManager::instance()->dispatch($Event);
}
/**
* Creates a tmp file name and checks the tmp path, creates one if required
*
* This method is thought to be used to generate tmp file locations for use cases
* like audio or image process were you need copies of a file and want to avoid
* conflicts. By default the tmp file is generated using cakes TMP constant +
* folder if passed and a uuid as filename.
*
* @param string $folder
* @param boolean $checkAndCreatePath
* @return string For example /var/www/app/tmp/<uuid> or /var/www/app/tmp/<my-folder>/<uuid>
*/
public function tmpFile($folder = null, $checkAndCreatePath = true) {
if (empty($folder)) {
$path = TMP;
} else {
$path = TMP . $folder . DS;
}
if ($checkAndCreatePath === true && !is_dir($path)) {
new Folder($path, true);
}
return $path . String::uuid();
}
/**
* Removes the - from the uuid
*
* @param string uuid with -
* @return string uuid without -
*/
public function stripUuid($uuid) {
return str_replace('-', '', $uuid);
}
/**
*
*/
public function fsPath($type, $string, $idFolder = true) {
$string = str_replace('-', '', $string);
$path = $type . DS . FileStorageUtils::randomPath($string);
if ($idFolder) {
$path .= $string . DS;
}
return $path;
}
/**
* Return file extension from a given filename no matter if the file exists or not
*
* @param string
* @return boolean string or false
*/
public function fileExtension($path) {
if (file_exists($path)) {
return pathinfo($path, PATHINFO_EXTENSION);
} else {
return substr(strrchr($path,'.'), 1);
}
}
}