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<?php |
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declare(strict_types=1); |
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namespace Buzz\Middleware\History; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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class Journal implements \Countable, \IteratorAggregate |
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{ |
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private $entries = []; |
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private $limit = 10; |
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public function __construct(int $limit = 10) |
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{ |
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$this->limit = $limit; |
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} |
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/** |
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* Records an entry in the journal. |
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* |
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* @param RequestInterface $request The request |
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* @param ResponseInterface $response The response |
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* @param float|null $duration The duration in seconds |
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*/ |
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public function record(RequestInterface $request, ResponseInterface $response, float $duration = null): void |
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{ |
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$this->addEntry(new Entry($request, $response, $duration)); |
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} |
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public function addEntry(Entry $entry): void |
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{ |
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array_push($this->entries, $entry); |
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$this->entries = \array_slice($this->entries, $this->getLimit() * -1); |
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end($this->entries); |
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} |
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/** |
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* @return Entry[] |
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*/ |
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public function getEntries(): array |
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{ |
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return $this->entries; |
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} |
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public function getLast(): ?Entry |
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{ |
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$entry = end($this->entries); |
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return false === $entry ? null : $entry; |
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} |
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public function getLastRequest(): ?RequestInterface |
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{ |
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$entry = $this->getLast(); |
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if (null === $entry) { |
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return null; |
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} |
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return $entry->getRequest(); |
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} |
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public function getLastResponse(): ?ResponseInterface |
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{ |
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$entry = $this->getLast(); |
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if (null === $entry) { |
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return null; |
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} |
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return $entry->getResponse(); |
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} |
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public function clear(): void |
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{ |
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$this->entries = []; |
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} |
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public function count(): int |
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{ |
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return \count($this->entries); |
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} |
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public function setLimit(int $limit): void |
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{ |
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$this->limit = $limit; |
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} |
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public function getLimit(): int |
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{ |
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return $this->limit; |
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} |
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public function getIterator(): \ArrayIterator |
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{ |
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return new \ArrayIterator(array_reverse($this->entries)); |
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} |
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} |
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kriswallsmith /
Buzz
