IQParts\Cache\Adapter\NamespaceAdapter

Complexity

Total Complexity

9

Size/Duplication

Total Lines	82
Duplicated Lines	0 %

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	get()	0	3	1
A	set()	0	3	1
A	delete()	0	3	1
A	keys()	0	18	4
A	ttl()	0	3	1

<?php

namespace IQParts\Cache\Adapter;

final class NamespaceAdapter implements CacheAdapterInterface
{
    /**
     * @var string
     */
    private $namespace;
    /**
     * @var CacheAdapterInterface
     */
    private $cacheAdapter;

    /**
     * NamespaceAdapter constructor.
     * @param string $namespace
     * @param CacheAdapterInterface $cacheAdapter
     */
    public function __construct(string $namespace, CacheAdapterInterface $cacheAdapter)
    {
        $this->namespace = $namespace . ':';
        $this->cacheAdapter = $cacheAdapter;
    }

    /**
     * @param string $key
     * @return mixed
     */
    public function get(string $key)
    {
        return $this->cacheAdapter->get($this->namespace . $key);
    }

    /**
     * @param string $key
     * @param $value
     * @param int|null $ttl
     * @return void
     */
    public function set(string $key, $value, int $ttl = null): void
    {
        $this->cacheAdapter->set($this->namespace . $key, $value, $ttl);
    }

    /**
     * @param string $key
     * @return void
     */
    public function delete(string $key): void
    {
        $this->cacheAdapter->delete($this->namespace . $key);
    }

    /**
     * @param string $key
     * @return array
     */
    public function keys($key = '*'): array
    {
        if (substr($key, -1) !== '*') {
            $key .= '*';
        }

        /** @var string[] $keys */
        $keys = $this->cacheAdapter->keys($this->namespace . $key);
        $allowed = [];
        $len = \strlen($this->namespace);

        foreach ($keys as $cacheKey) {
            if (0 === strpos($cacheKey, $this->namespace)) {
                $allowed[] = substr($cacheKey, $len);
            }
        }

        return $allowed;
    }

    /**
     * @param $key
     * @return int
     */
    public function ttl($key): int
    {
        return $this->cacheAdapter->ttl($this->namespace . $key);
    }
}