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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| <?php | ||
| /** | ||
| * Class CachedResponse. | ||
| * | ||
| * @package AmpProject\AmpWP | ||
| */ | ||
|
|
||
| namespace AmpProject\AmpWP\RemoteRequest; | ||
|
|
||
| use DateTimeImmutable; | ||
| use DateTimeInterface; | ||
|
|
||
| /** | ||
| * Serializable object that represents a cached response together with its expiry time. | ||
| * | ||
| * @package AmpProject\AmpWP | ||
| */ | ||
| final class CachedResponse { | ||
|
|
||
| /** | ||
| * Cached body. | ||
| * | ||
| * @var string | ||
| */ | ||
| private $body; | ||
|
|
||
| /** | ||
| * Cached headers. | ||
| * | ||
| * @var array | ||
| */ | ||
| private $headers; | ||
|
|
||
| /** | ||
| * Cached status code. | ||
| * | ||
| * @var int | ||
| */ | ||
| private $status_code; | ||
|
|
||
| /** | ||
| * Expiry time of the cached value. | ||
| * | ||
| * @var DateTimeInterface | ||
| */ | ||
| private $expiry; | ||
|
|
||
| /** | ||
| * Instantiate a CachedResponse object. | ||
| * | ||
| * @param string $body Cached body. | ||
| * @param array $headers Cached headers. | ||
| * @param int $status_code Cached status code. | ||
| * @param DateTimeInterface $expiry Expiry of the cached value. | ||
| */ | ||
| public function __construct( $body, array $headers, $status_code, DateTimeInterface $expiry ) { | ||
| $this->body = $body; | ||
| $this->headers = $headers; | ||
| $this->status_code = $status_code; | ||
| $this->expiry = $expiry; | ||
| } | ||
|
|
||
| /** | ||
| * Get the cached body. | ||
| * | ||
| * @return string Cached body. | ||
| */ | ||
| public function get_body() { | ||
| return $this->body; | ||
| } | ||
|
|
||
| /** | ||
| * Get the cached headers. | ||
| * | ||
| * @return array Cached headers. | ||
| */ | ||
| public function get_headers() { | ||
| return $this->headers; | ||
| } | ||
|
|
||
| /** | ||
| * Get the cached status code. | ||
| * | ||
| * @return int Cached status code. | ||
| */ | ||
| public function get_status_code() { | ||
| return $this->status_code; | ||
| } | ||
|
|
||
| /** | ||
| * Determine the validity of the cached response. | ||
| * | ||
| * @return bool Whether the cached response if valid. | ||
| */ | ||
| public function is_valid() { | ||
| // $this->headers is typed so no need for sanity check. | ||
| return null !== $this->body && is_int( $this->status_code ); | ||
| } | ||
|
|
||
| /** | ||
| * Get the expiry of the cached value. | ||
| * | ||
| * @return DateTimeInterface Expiry of the cached value. | ||
| */ | ||
| public function get_expiry() { | ||
| return $this->expiry; | ||
| } | ||
|
|
||
| /** | ||
| * Check whether the cached value is expired. | ||
| * | ||
| * @return bool Whether the cached value is expired. | ||
| */ | ||
| public function is_expired() { | ||
| return new DateTimeImmutable( 'now' ) > $this->expiry; | ||
| } | ||
| } |
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