HasHttpRequest.php
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<?php
/**
* Created by PhpStorm.
* User: ChuXiang
* Date: 2019/8/12
* Time: 15:09
*/
namespace PgServiceSdk\Kernel\Traits;
use GuzzleHttp\Client;
use GuzzleHttp\HandlerStack;
use GuzzleHttp\ClientInterface;
trait HasHttpRequest
{
/**
* 增加格式化响应的功能
*/
use ResponseCastable;
/**
* 请求的 HTTP 客户端
*
* @var \GuzzleHttp\Client
*/
protected $httpClient;
/**
* 设置的中间件集合
*
* @var array
*/
protected $middlewares = [];
/**
* @var \GuzzleHttp\HandlerStack
*/
protected $handlerStack;
/**
* 默认的 option 设置
*
* @var array
*/
protected static $default = [
'curl' => [
CURLOPT_IPRESOLVE => CURL_IPRESOLVE_V4
]
];
/**
* 获取默认的 option 选项
*
* @return array
*/
public static function getDefaultOption()
{
return static::$default;
}
/**
* 设置默认的 option 选项
*
* @param array $defaultOption
*/
public static function setDefaultOption(array $defaultOption)
{
static::$default = $defaultOption;
}
/**
* 获取 HTTP 客户端
*
* @return ClientInterface
*/
public function getClient()
{
if (!($this->httpClient instanceof ClientInterface)) {
$this->httpClient = new Client();
}
return $this->httpClient;
}
/**
* 设置请求的客户端
*
* @param ClientInterface $client
* @return $this
*/
public function setClient(ClientInterface $client)
{
$this->httpClient = $client;
return $this;
}
/**
* 发送请求
*
* @param string $url
* @param string $method
* @param array $option
* @return \Psr\Http\Message\ResponseInterface
* @throws \GuzzleHttp\Exception\GuzzleException
*/
public function request($url, $method = 'POST', $option = [])
{
$method = strtoupper($method);
$options = array_merge(static::$default, $option, ['handler' => $this->getHandlerStack()]);
if (property_exists($this, 'baseUri') && !is_null($this->baseUri)) {
$options['base_uri'] = $this->baseUri;
}
$response = $this->getClient()->request($method, $url, $options);
$response->getBody()->rewind();
return $response;
}
/**
* 构建 HandlerStack
*
* @return \GuzzleHttp\HandlerStack
*/
public function getHandlerStack()
{
if ($this->handlerStack) {
return $this->handlerStack;
}
$this->handlerStack = HandlerStack::create();
foreach ($this->middlewares as $name => $middleware) {
$this->handlerStack->push($middleware, $name);
}
return $this->handlerStack;
}
/**
* @param \GuzzleHttp\HandlerStack $handlerStack
*
* @return $this
*/
public function setHandlerStack(HandlerStack $handlerStack)
{
$this->handlerStack = $handlerStack;
return $this;
}
/**
* 添加一个中间件
*
* @param callable $middleware
* @param string $name
*
* @return $this
*/
public function pushMiddleware(callable $middleware, $name = null)
{
if (is_null($name)) {
array_push($this->middlewares, $middleware);
} else {
$this->middlewares[$name] = $middleware;
}
return $this;
}
/**
* 获取所有的中间件
*
* @return array
*/
public function getMiddlewares()
{
return $this->middlewares;
}
}