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<?php declare(strict_types=1); |
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namespace ApiClients\Client\Twitter; |
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use ApiClients\Foundation\Client; |
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use ApiClients\Foundation\Factory; |
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use ApiClients\Foundation\Hydrator\CommandBus\Command\HydrateCommand; |
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use ApiClients\Foundation\Oauth1\Middleware\Oauth1Middleware; |
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use ApiClients\Foundation\Oauth1\Options as Oauth1Options; |
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use ApiClients\Foundation\Options; |
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use ApiClients\Foundation\Transport\CommandBus\Command\RequestCommand; |
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use ApiClients\Foundation\Transport\CommandBus\Command\StreamingRequestCommand; |
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use ApiClients\Foundation\Transport\Options as TransportOptions; |
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use ApiClients\Tools\Psr7\Oauth1\Definition; |
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use GuzzleHttp\Psr7\Request; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use React\EventLoop\LoopInterface; |
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use React\Promise\PromiseInterface; |
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use Rx\Extra\Operator\CutOperator; |
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use Rx\Observable; |
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use Rx\React\Promise; |
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use function React\Promise\resolve; |
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final class AsyncStreamingClient |
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{ |
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const STREAM_DELIMITER = "\r\n"; |
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/** |
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* @var LoopInterface |
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*/ |
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private $loop; |
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/** |
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* @var Client |
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*/ |
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protected $client; |
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public function __construct(Client $client) |
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{ |
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$this->client = $client; |
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} |
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public function sample(): Observable |
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{ |
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return $this->stream( |
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new Request('GET', 'https://stream.twitter.com/1.1/statuses/sample.json') |
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); |
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} |
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public function filtered(array $filter = []): Observable |
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{ |
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$postData = http_build_query($filter); |
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return $this->stream( |
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new Request( |
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'POST', |
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'https://stream.twitter.com/1.1/statuses/filter.json', |
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[ |
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'Content-Type' => 'application/x-www-form-urlencoded', |
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'Content-Length' => strlen($postData), |
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], |
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$postData |
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) |
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); |
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} |
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protected function stream(RequestInterface $request): Observable |
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{ |
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return Promise::toObservable($this->client->handle(new StreamingRequestCommand( |
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$request |
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)))->switchLatest()->lift(function () { |
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return new CutOperator(self::STREAM_DELIMITER); |
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})->filter(function (string $json) { |
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return trim($json) !== ''; // To keep the stream alive Twitter sends an empty line at times |
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})->jsonDecode()->flatMap(function (array $document) { |
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if (isset($document['delete'])) { |
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return Promise::toObservable($this->client->handle( |
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new HydrateCommand('DeletedTweet', $document['delete']) |
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)); |
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} |
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return Promise::toObservable($this->client->handle(new HydrateCommand('Tweet', $document))); |
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}); |
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} |
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} |
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php-api-clients /
twitter
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: