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<?php
/**
* Storage for news2Kindle
* @author jwest <jwest@jwest.pl>
*/
class Storage {
/**
* Newspapper name
* @var string
*/
private $_name;
/**
* Default dir
* @var string
*/
private $_default_dir = 'data/';
/**
* Info about newspapper
* @var array
*/
private $_info;
/**
* Prepare storage
* @param string $newspapper
* @param string $default_dir
*/
public function __construct($newspapper, $default_dir = NULL)
{
$this->_name = $newspapper;
if ( $default_dir !== NULL )
{
$this->_default_dir = $default_dir;
}
$this->_info = $this->_get_info();
}
/**
* save info before exit from script
*/
public function __destruct()
{
$this->_save_info($this->_info);
}
/**
* Get path
* @param bool $newspapper path to newspapper
* @return string path to repository
*/
public function get_path($newspapper = true)
{
$path = $this->_default_dir;
if ( $newspapper )
{
$path .= $this->_name . '/';
}
return $path;
}
/**
* Get info about newspapper
* @return array newspapper info
*/
private function _get_info()
{
$content = unserialize( $this->_get_file('info.dat') );
if( $content === FALSE )
{
$content = (object) array
(
'images_count' => 0,
'articles_count' => 0,
'images' => array(),
);
$this->_save_info($content);
}
return $content;
}
/**
* Get info key
* @param $key
* @return mixed
*/
public function info($key)
{
return $this->_info->$key;
}
/**
* Save info
* @param array $info info from class
*/
private function _save_info($info)
{
$this->_save_file( 'info.dat', serialize($info) );
}
/**
* Save image in storage
* @param resource $image
* @param string $name image name, if null create auto name
* @return string image name
*/
public function save_image($image, $name = NULL)
{
if ( $name === NULL )
{
$image_name = (string) $this->_info->images_count;
for ($i=strlen($image_name); $i<6; $i++)
{
$image_name = '0'.$image_name;
}
$this->_info->images_count++;
$this->_info->images[$this->_info->images_count] = $image_name;
$name = $image_name;
}
$this->_save_file($name, $image);
return $this->_default_dir . $this->_name . '/' . $name;
}
/**
* Get image
* @param string $name image name
* @return resource
*/
public function get_image($name)
{
return $this->_get_file($name);
}
/**
* Put article contents
* @param string $id unique id for article
* @param string $title
* @param string $content article content
* @param string $url url for article
* @param object $website
*/
public function add_content($id, $title, $content, $url, $website)
{
$articles = unserialize( $this->_get_file('articles.dat') );
$articles[$id] = (object) array
(
'id' => $id,
'title' => $title,
'content' => $content,
'url' => $url,
'website' => $website,
);
$this->_save_file( 'articles.dat', serialize($articles) );
}
/**
* Get articles contents
* @param string $file_name
* @param string $file_content
*/
public function get_contents()
{
return unserialize( $this->_get_file( 'articles.dat' ) );
}
/**
* Get file content
* @param string $file_name
* @param string $file_content
*/
private function _save_file($file_name, $file_content)
{
if( ! file_exists( $this->_default_dir . $this->_name ) )
{
mkdir( $this->_default_dir . $this->_name, 0777, TRUE );
}
file_put_contents($this->_default_dir . $this->_name . '/' . $file_name, $file_content);
}
/**
* Get file content
* @param string $file_name
* @param string $default_file_content (if file not exists)
* @return string file content
*/
private function _get_file($file_name, $default_file_content = NULL)
{
$content = @file_get_contents($this->_default_dir . $this->_name . '/' . $file_name);
if ($content === FALSE)
{
return $default_file_content;
}
return $content;
}
/**
* Clean newspapper after convert to mobi
*/
public function clean()
{
$files_to_remove = glob($this->_default_dir . $this->_name . '/*');
foreach ( $files_to_remove as $file )
{
unlink( $file );
}
rmdir( $this->_default_dir . $this->_name );
}
}
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