<?php

/**

 * Magento

 *

 * NOTICE OF LICENSE

 *

 * This source file is subject to the Open Software License (OSL 3.0)

 * that is bundled with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://opensource.org/licenses/osl-3.0.php

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@magentocommerce.com so we can send you a copy immediately.

 *

 * DISCLAIMER

 *

 * Do not edit or add to this file if you wish to upgrade Magento to newer

 * versions in the future. If you wish to customize Magento for your

 * needs please refer to http://www.magentocommerce.com for more information.

 *

 * @category    Mage

 * @package     Mage_Core

 * @copyright   Copyright (c) 2010 Magento Inc. (http://www.magentocommerce.com)

 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)

 */





/**

 * File storage database model class

 *

 * @category    Mage

 * @package     Mage_Core

 * @author      Magento Core Team <core@magentocommerce.com>

 */

class Magneto_S3_Model_File_Storage_S3 extends Magneto_S3_Model_File_Storage_S3_Abstract

{

    /**

     * Prefix of model events names

     *

     * @var string

     */

    protected $_eventPrefix = 'core_file_storage_database';





    /**

     * Collect errors during sync process

     *

     * @var array

     */

    protected $_errors = array();



    /**

     * Class construct

     *

     * @param string $connectionName

     */

    public function __construct($connectionName = null)

    {

    	Mage::log(__METHOD__);

    	

        $this->_init('core/file_storage_database');

		

		parent::__construct($connectionName);

		



		

        

    }



    /**

     * Create tables for file and directory storages

     *

     * @return Mage_Core_Model_File_Storage_Database

     */

    public function init()

    {

        Mage::log(__METHOD__);

        return $this;

    }



    /**

     * Return storage name

     *

     * @return string

     */

    public function getStorageName()

    {

        Mage::log(__METHOD__);

    	//TODO: replace dummy

    	return Mage::helper('core')->__('S3 bucket "%s"', $this->getConnectionName());

        //return Mage::helper('core')->__('database "%s"', $this->getConnectionName());

    }



    /**

     * Load object data by filename

     *

     * @param  string $filePath

     * @return Mage_Core_Model_File_Storage_Database

     */

    public function loadByFilename($filePath)

    {

    	$filePath = str_replace(array('//', '\\'), '/', $filePath);

		Mage::log(__METHOD__.' '.$filePath);

		

		$_content = $this->_s3->getObject($this->_bucket . DS . $filePath);

		

		$this->setFilename(basename($filePath));

		$this->setDirectory(dirname($filePath));

        $this->setContent( $_content );

		$this->setId($_content);

		

        return $this;

    }



    /**

     * Check if there was errors during sync process

     *

     * @return bool

     */

    public function hasErrors()

    {

        Mage::log(__METHOD__);

        return (!empty($this->_errors));

    }



    /**

     * Clear files and directories in storage

     *

     * @return Mage_Core_Model_File_Storage_Database

     */

    public function clear()

    {

        Mage::log(__METHOD__);

        // $this->getDirectoryModel()->clearDirectories();
        // $this->_getResource()->clearFiles();

        $this->_s3->cleanBucket($this->_bucket);

        return $this;

    }



    /**

     * Export directories from storage

     *

     * @param  int $offset

     * @param  int $count

     * @return bool|array

     */

    public function exportDirectories($offset = 0, $count = 100) 

    {



        Mage::log(__METHOD__);

		

        //return $this->getDirectoryModel()->exportDirectories($offset, $count);

        // TODO: write me

        return false;

    }



    /**

     * Import directories to storage

     *

     * @param  array $dirs

     * @return Mage_Core_Model_File_Storage_Directory_Database

     */

    public function importDirectories($dirs) 

    {



        Mage::log(__METHOD__);

        

		//no need to do anything here, since s3 doesn't know about directories

        return $this;

    }



    /**

     * Export files list in defined range

     *

     * @param  int $offset

     * @param  int $count

     * @return array|bool

     */

    public function exportFiles($offset = 0, $count = 100)

    {



        Mage::log(__METHOD__);

		

		//TODO: write me

		return false;

		

        $offset = ((int) $offset >= 0) ? (int) $offset : 0;

        $count  = ((int) $count >= 1) ? (int) $count : 1;



        $result = $this->_getResource()->getFiles($offset, $count);

        if (empty($result)) {

            return false;

        }



        return $result;

    }



    /**

     * Import files list

     *

     * @param  array $files

     * @return Mage_Core_Model_File_Storage_Database

     */

    public function importFiles($files)

    {



        Mage::log(__METHOD__);

        if (!is_array($files)) {

            return $this;

        }



        foreach ($files as $file) {

            if (!isset($file['filename']) || !strlen($file['filename']) || !isset($file['content'])) {

                continue;

            }



            try {

                

                $this->saveFile($file['directory'].DS.$file['filename']);

            } catch (Exception $e) {

                $this->_errors[] = $e->getMessage();

                Mage::logException($e);

            }

        }



        return $this;

    }



    /**

     * Store file into database

     *

     * @param  string $filename

     * @return Mage_Core_Model_File_Storage_Database

     */

    public function saveFile($filename)

    {



		$filename = str_replace(array('//', '\\'), '/', $filename);

        Mage::log(__METHOD__.' '.$filename);

        $fileInfo = $this->collectFileInfo($filename);

        $filePath = $fileInfo['directory'];

		



        $this->_s3->putObject($this->_bucket . DS . $fileInfo['directory'] . DS . $fileInfo['filename'], $fileInfo['content']);



        return $this;

    }



    /**

     * Check whether file exists in DB

     *

     * @param  string $filePath

     * @return bool

     */

    public function fileExists($filePath)

    {



        Mage::log(__METHOD__.' '.$filePath);

        return $this->_s3->isObjectAvailable($this->_bucket.DS.$filePath);

    }



    /**

     * Copy files

     *

     * @param  string $oldFilePath

     * @param  string $newFilePath

     * @return Mage_Core_Model_File_Storage_Database

     */

    public function copyFile($oldFilePath, $newFilePath)

    {



        Mage::log(__METHOD__);

        $_content = $this->_s3->getObject($this->_bucket.DS.$oldFilePath);

		$this->_s3->putObject($this->_bucket.DS.$newFilePath, $_content);



        return $this;

    }



    /**

     * Rename files in database

     *

     * @param  string $oldFilePath

     * @param  string $newFilePath

     * @return Mage_Core_Model_File_Storage_Database

     */

    public function renameFile($oldFilePath, $newFilePath)

    {

    	Mage::log(__METHOD__);

		

        $_content = $this->_s3->getObject($this->_bucket.DS.$oldFilePath);

		$this->_s3->putObject($this->_bucket.DS.$newFilePath, $_content);

		$this->_s3->removeObject($this->_bucket.DS.$oldFilePath);



        return $this;

    }



    /**

     * Return directory listing

     *

     * @param string $directory 

     * @return mixed

     */

    public function getDirectoryFiles($directory)

    {

    	$directory = str_replace(array('//', '\\'), '/', $directory);

        Mage::log(__METHOD__ . ' ' . $directory);

		

        $directory = Mage::helper('core/file_storage_database')->getMediaRelativePath($directory);

		Mage::log(__METHOD__ . ' ' . $directory);

		

		$files = $this->_s3->getObjectsByBucket($this->_bucket, array('prefix'=>$directory));

		

		$return = array();

		foreach($files as $file)

		{

			if(substr($file, -1, 1) == '/') continue;

			

			$return[] = array(

				'filename' => basename($file),

				'directory'=> dirname($file), 

				'content' => $this->_s3->getObject($this->_bucket.DS.$file)

			);

		}

		

        return $return;

    }



    /**

     * Delete file from database

     *

     * @param string $path

     * @return Mage_Core_Model_File_Storage_Database

     */

    public function deleteFile($path)

    {

        Mage::log(__METHOD__ . ' ' . $path);

        $this->_s3->removeObject($this->_bucket.DS.$path);



        return $this;

    }

	

	public function deleteFolder($path) 

	{

		Mage::getModel('core/file_storage_directory_database')->deleteDirectory($path);

	}

}