Hirak\Prestissimo\OutputFile

Complexity

Total Complexity

13

Size/Duplication

Total Lines	80
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes	3
Bugs	1	Features	1

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	18	3
A	__destruct()	0	13	4
A	getPointer()	0	4	1
B	createDir()	0	22	4
A	setSuccess()	0	4	1

<?php
/*
 * @author Hiraku NAKANO
 * @license MIT https://github.com/hirak/prestissimo
 */
namespace Hirak\Prestissimo;

use Composer\Downloader;

/**
 * file pointer wrapper with auto clean
 */
class OutputFile
{
    /** @var resource<file>|null */
    protected $fp;

    /** @var string */
    protected $fileName;

    /** @var string[] */
    protected $createdDirs = array();

    /** @var bool */
    private $success = false;

    public function __construct($fileName)
    {
        $this->fileName = $fileName;
        if (is_dir($fileName)) {
            throw new Downloader\TransportException(
                "The file could not be written to $fileName. Directory exists."
            );
        }

        $this->createDir($fileName);

        $this->fp = fopen($fileName, 'wb');
        if (!$this->fp) {
            throw new Downloader\TransportException(
                "The file could not be written to $fileName."
            );
        }
    }

    public function __destruct()
    {
        if ($this->fp) {
            fclose($this->fp);
        }

        if (!$this->success) {
            unlink($this->fileName);
            foreach ($this->createdDirs as $dir) {
                rmdir($dir);
            }
        }
    }

    public function getPointer()
    {
        return $this->fp;
    }

    public function setSuccess()
    {
        $this->success = true;
    }

    protected function createDir($fileName)
    {
        $dir = $fileName;
        $createdDirs = array();
        do {
            $dir = dirname($dir);
            $createdDirs[] = $dir;
        } while (!file_exists($dir));
        array_pop($createdDirs);
        $this->createdDirs = array_reverse($createdDirs);

        $targetdir = dirname($fileName);
        if (!file_exists($targetdir)) {
            $created = mkdir($targetdir, 0766, true);
            if (!$created) {
                $this->success = false;
                throw new Downloader\TransportException(
                    "The file could not be written to $this->fileName."
                );
            }
        }
    }
}