ZIP

Complexity

Total Complexity

18

Size/Duplication

Total Lines	74
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

8 Methods

Rating	Name	Duplication	Size	Complexity
A	create()	0	3	1
A	__construct()	0	11	5
A	__destruct()	0	3	1
A	path()	0	3	1
A	write()	0	4	1
A	close()	0	4	2
A	addDirectory()	0	17	5
A	download()	0	13	2

<?php

/**
 * ZIP
 *
 * Archive compressed data.
 *
 * @package core
 * @author stefano.azzolini@caffeinalab.com
 * @copyright Caffeina srl - 2015 - http://caffeina.it
 */

class ZIP {
  use Module;

  public $file,
         $name,
         $zip;

  public static function create($name=''){
    return new ZIP($name);
  }

  public function __construct($name=''){
    $this->name = preg_replace('/\.zip$/','',($name?:tempnam(sys_get_temp_dir(), 'ZExp').'-archive'));
    $this->file = $this->name . '.zip';
    if (!preg_match('~^/|\./|\.\./~',$this->file)) $this->file = './'.$this->file;
    $this->zip  = new \ZipArchive;
    if ( true !== ($e = $this->zip->open($this->file,
      \ZipArchive::CREATE || \ZipArchive::OVERWRITE
    ))) {
      throw new Exception("Error opening temp ZIP file [".($this->file)."] Code $e", 1);
    }
  }

  public function __destruct(){
    $this->close();
  }

  public function path(){
    return $this->file;
  }

  public function write($filename, $data){
    $this->zip->addFromString($filename, $data);
    return $this;
  }

  public function close(){
    if($this->zip) @$this->zip->close();
    return $this;
  }

  public function addDirectory($folder, $root=null) {
    $folder = rtrim($folder,'/');
    if (null === $root) {
      $root   = dirname($folder);
      $folder = basename($folder);
    }
    $this->zip->addEmptyDir($folder);
    foreach (glob("$root/$folder/*") as $item) {
      if (is_dir($item)) {
          $this->addDirectory(str_replace($root,'',$item),$root);
      } else if (is_file($item))  {
          $this->zip->addFile($item, str_replace($root,'',$item));
      }
    }

    return $this;
  }

  public function download(){
    @$this->zip->close();
    header('Content-Type: application/zip');
    header('Content-Disposition: attachment;filename="'.$this->name.'"',true);
    header('Content-Transfer-Encoding: binary');
    header('Expires: 0');
    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
    header('Pragma: public');
    header('Content-Length: '.filesize($this->file));
    while(ob_get_level()) ob_end_clean();
    readfile($this->file);
    exit;
  }

}