PTS\RateLimiter\Adapter\MemoryAdapter

Complexity

Total Complexity

13

Size/Duplication

Total Lines	74
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes

0

<?php
class MemoryAdapter implements StoreInterface
{
    protected int $cleanExpired = 30;

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Syntax error, unexpected T_STRING, expecting T_FUNCTION or T_CONST

    protected int $lastClean = 0;

    protected array $store = [];
    protected array $ttlKeys = [];

    public function get(string $key): int
    {
        $this->isNeedCleanExpired() && $this->cleanExpired();
        return $this->store[$key] ?? 0;
    }

    public function __construct(int $cleanExpired = 30)
    {
        $this->cleanExpired = $cleanExpired;
        $this->lastClean = time();
    }

    public function inc(string $key, int $ttl = 60): int
    {
        $value = $this->get($key);
        $this->store[$key] = ++$value;

        if ($value === 1) {
            $this->ttlKeys[$key] = time() + $ttl;
        }

        return $value;
    }

    public function reset(string $key): bool
    {
        unset($this->store[$key], $this->ttlKeys[$key]);
        return true;
    }

    public function isExceeded(string $key, int $max): bool
    {
        $value = $this->get($key);
        return $value >= $max;
    }

    protected function isNeedCleanExpired(): bool
    {
        return ($this->lastClean + $this->cleanExpired) <= time();
    }

    protected function cleanExpired(): void
    {
        $current = time();

        $this->ttlKeys = array_filter ($this->ttlKeys, function (int $time, string $key) use ($current) {
            $isExpired = $time < $current;
            if ($isExpired) {
                unset($this->store[$key]);
            }

            return !$isExpired;
        }, ARRAY_FILTER_USE_BOTH);
    }

    public function ttl(string $key): ?int
    {
        if (array_key_exists($key, $this->ttlKeys)) {
            $ttl = $this->ttlKeys[$key] - time();
            return $ttl > 0 ? $ttl : 0;
        }

        return null;
    }

}