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<?php
namespace SparkPost;
use Http\Promise\Promise as HttpPromise;
class SparkPostPromise implements HttpPromise
{
/**
* HttpPromise to be wrapped by SparkPostPromise.
*/
private $promise;
/**
* set the promise to be wrapped.
*
* @param HttpPromise $promise
*/
public function __construct(HttpPromise $promise)
{
$this->promise = $promise;
}
/**
* Hand off the response functions to the original promise and return a custom response or exception.
*
* @param callable $onFulfilled - function to be called if the promise is fulfilled
* @param callable $onRejected - function to be called if the promise is rejected
*/
public function then(callable $onFulfilled = null, callable $onRejected = null)
{
return $this->promise->then(function ($response) use ($onFulfilled) {
if (isset($onFulfilled)) {
$onFulfilled(new SparkPostResponse($response));
}
}, function ($exception) use ($onRejected) {
if (isset($onRejected)) {
$onRejected(new SparkPostException($exception));
}
});
}
/**
* Hand back the state.
*
* @return $state - returns the state of the promise
*/
public function getState()
{
return $this->promise->getState();
}
/**
* Wraps the wait function and returns a custom response or throws a custom exception.
*
* @param bool $unwrap
*
* @return SparkPostResponse
*
* @throws SparkPostException
*/
public function wait($unwrap = true)
{
try {
$response = $this->promise->wait($unwrap);
return $response ? new SparkPostResponse($response) : $response;
} catch (\Exception $exception) {
throw new SparkPostException($exception);
}
}
}
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