RazonYang\TokenBucket\Manager\RedisManager

Complexity

Total Complexity

5

Size/Duplication

Total Lines	45
Duplicated Lines	0 %

Test Coverage

Coverage

85.71%

Importance

Changes	2
Bugs	1	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	load()	0	3	1
A	save()	0	9	3
A	__construct()	0	12	1

<?php
namespace RazonYang\TokenBucket\Manager;

use RazonYang\TokenBucket\Manager;
use RazonYang\TokenBucket\SerializerInterface;

class RedisManager extends Manager
{
    /**
     * @var int $ttl time to live.
     */
    private $ttl = 0;

    /**
     * @var string $prefix key prefix.
     */
    private $prefix = '';

    /**
     * @var \Redis $redis
     */
    private $redis;

    public function __construct(
        int $capacity,
        float $rate,
        SerializerInterface $serializer,
        \Redis $redis,
        int $ttl = 0,
        string $prefix = ''
    ) {
        parent::__construct($capacity, $rate, $serializer);
        $this->redis = $redis;
        $this->ttl = $ttl;
        $this->prefix = $prefix;
    }

    protected function load(string $name)
    {
        return $this->redis->get($this->prefix . $name);
    }

    protected function save(string $name, $data)
    {
        if ($this->ttl > 0) {
            $saved = $this->redis->setEx($this->prefix . $name, $this->ttl, $data);
        } else {
            $saved = $this->redis->set($this->prefix . $name, $data);
        }
        if (!$saved) {
            throw new \RuntimeException('Unable to save allowance: ' . $this->redis->getLastError());
        }
    }
}