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path: root/src/Filesystem/CreateFile.php
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<?php

namespace App\Filesystem;

/**
 * Class to create a new file
 *
 * @author Phil Burton <phil@d3r.com>
 */
class CreateFile
{
    /**
     * Thing we're creating
     *
     * @author Phil Burton <phil@d3r.com>
     */
    protected $thing = "file";

    protected $filename;

    /**
     * Check if the file already exists
     *
     * @param string $filename
     * @author Phil Burton <phil@d3r.com>
     */
    public function __construct(string $filename)
    {
        $this->filename = $filename;

        if (!is_writable(dirname($filename))) {
            throw new \Exception('Cannot create ' . $this->thing . ' at: ' . $filename);
        }

        if (file_exists($filename)) {
            throw new \Exception('File already exists at: ' . $filename);
        }
    }

    /**
     * Create the new file
     *
     * @author Phil Burton <phil@d3r.com>
     */
    public function execute()
    {
        touch($this->filename);
    }
}