Resourceful\Stores\FileCache

Complexity

Total Complexity

16

Size/Duplication

Total Lines	80
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

78.38%

Importance

Changes

0

7 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	9	2
B	fetch()	0	18	5
A	contains()	0	4	1
A	save()	0	15	3
A	delete()	0	10	2
A	getStats()	0	4	1
A	filename()	0	8	2

<?php

namespace Resourceful\Stores;

use Doctrine\Common\Cache\Cache;
use Symfony\Component\Filesystem\Exception\IOException;
use Symfony\Component\Filesystem\Filesystem;

class FileCache implements Cache
{
    protected $filesystem;
    protected $location;

    public function __construct($location)
    {
        $this->filesystem = new Filesystem();
        $this->location = $location;

        if (!$this->filesystem->exists($this->location)) {
            $this->filesystem->mkdir($this->location);
        }
    }

    public function fetch($id)
    {
        if (!$this->contains($id)) {
            return false;
        }

        $json = file_get_contents($this->filename($id));
        if ($json === false) {
            return false;
        }

        $data = json_decode($json);
        if ($data === null && json_last_error() !== JSON_ERROR_NONE) {
            return false;
        }

        return $data;
    }

    public function contains($id)
    {
        return $this->filesystem->exists($this->filename($id));
    }

    public function save($id, $data, $lifeTime = null)
    {
        $json = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
        if ($json === false) {
            return false;
        }

        try {
            $this->filesystem->dumpFile($this->filename($id), $json);
        } catch (IOException $ioe) {
            return false;
        }

        return true;
    }

    public function delete($id)
    {
        try {
            $this->filesystem->remove($this->filename($id));
        } catch (IOException $ioe) {
            return false;
        }

        return true;
    }

    public function getStats()
    {
        return null;
    }

    protected function filename($id)
    {
        if (is_dir("$this->location/$id")) {
            $id .= "index";
        }

        return "$this->location/$id.json";
    }
}