/**
* Execute an API method.
*
* @param AbstractMethod $method
*
* @return \Generator
* @throws TelegramBotApiException
* @resolve object
*/
public function execute(AbstractMethod $method) : \Generator
{
switch ($method->getHttpMethod()) {
case $method::HTTP_GET:
$response = (yield from $this->get('/' . $method->getMethodName(), $method->getParams()));
break;
case $method::HTTP_POST:
if ($method instanceof \JsonSerializable) {
$body = json_encode($method);
$bodyStream = new MemoryStream(0, $body);
yield from $bodyStream->end();
$contentLength = mb_strlen($body);
} else {
$bodyStream = null;
$contentLength = 0;
}
$headers = ['Content-Type' => 'application/json', 'Content-Length' => $contentLength];
$response = (yield from $this->post('/' . $method->getMethodName(), $method->getParams(), $headers, $bodyStream));
break;
}
$body = (yield from $this->getResponseBody($response));
$body = json_decode($body, true);
if ($body['ok'] === false) {
throw new TelegramBotApiException($body['description'], $body['error_code']);
}
return $method->buildResult($body['result']);
}
/**
* {@inheritdoc}
*/
protected function send(string $data, float $timeout = 0, bool $end = false) : \Generator
{
$length = strlen($data);
if ($length) {
$data = sprintf("%x\r\n%s\r\n", $length, $data);
}
if ($end) {
$data .= "0\r\n\r\n";
}
return parent::send($data, $timeout, $end);
}
/**
* Send image to a user
*
* @var int $chatId
* @var resource $photo
* @var string|null $caption
* @var int|null $replyToMessageId
* @var mixed $replyMarkup
*
* @return \Generator
*/
public function sendPhoto(int $chatId, $photo, string $caption = null, int $replyToMessageId = null, $replyMarkup = null) : \Generator
{
$params = ['chat_id' => $chatId, 'caption' => $caption, 'replyToMessageId' => $replyToMessageId];
$imageContentPipe = new ReadablePipe($photo);
$boundary = uniqid();
$mem = new MemoryStream();
$contentLength = 0;
$contentLength += (yield $mem->write("--{$boundary}\r\nContent-Disposition: form-data; name=\"photo\"; filename=\"example1.jpg\"\r\n\r\n"));
$contentLength += (yield pipe($imageContentPipe, $mem, false));
$contentLength += (yield $mem->end("\r\n--{$boundary}--"));
$url = $this->buildUrl('/sendPhoto', $params);
$headers = ['Content-type' => "multipart/form-data, boundary={$boundary}", 'Content-Length' => $contentLength];
$request = new Request('POST', $url, $headers, $mem);
$response = (yield $this->httpClient->send($request, []));
$body = (yield $this->getResponseBody($response));
$body = json_decode($body, true);
(yield new Entity\Message($body['result']));
}