DocumentStorage\Adapter\Storage\Filesystem

Complexity

Total Complexity

11

Size/Duplication

Total Lines	58
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	12	3
A	store()	0	14	3
A	retrieve()	0	10	3
A	getUrl()	0	4	1
A	getDocPath()	0	4	1

<?php
declare(strict_types=1);

namespace DocumentStorage\Adapter\Storage;

use DocumentStorage\Exception\DocumentNotFound;
use DocumentStorage\Exception\DocumentNotStored;
use DocumentStorage\Storage;

class Filesystem implements Storage
{
    /** @var string */
    private $storageDir;

    /**
     * @throws \InvalidArgumentException If $storageDir is not a directory
     * @throws \InvalidArgumentException If $storageDir is not writable
     */
    public function __construct(string $storageDir)
    {
        if (!is_dir($storageDir)) {
            throw new \InvalidArgumentException(sprintf('[%s] is not a directory', $storageDir));
        }

        if (!is_writable($storageDir)) {
            throw new \InvalidArgumentException(sprintf('[%s] is not writable', $storageDir));
        }

        $this->storageDir = $storageDir;
    }

    public function store(string $pathOrBody, string $targetDocName, string $oldDocName = '') : string
    {
        $docPath = $this->getDocPath($targetDocName);

        $stored = file_exists($pathOrBody)
                 ? copy($pathOrBody, $docPath)
                 : file_put_contents($docPath, $pathOrBody);

        if (false === $stored) {
            throw new DocumentNotStored('There was an error storing the document [%s] to the filesystem.');
        }

        return $docPath;
    }

    public function retrieve(string $docName) : string
    {
        $docPath = $this->getDocPath($docName);

        if (false === file_exists($docPath) || false === $contents = file_get_contents($docPath)) {
            throw new DocumentNotFound(sprintf('Could not retrieve [%s]', $docPath));
        }

        return $contents;
    }

    public function getUrl(string $docName) : string
    {
        return '';
    }

    private function getDocPath(string $docName) : string
    {
        return $this->storageDir.DIRECTORY_SEPARATOR.$docName;
    }
}