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<?php
/**
* Created by PhpStorm.
* User: Zero
* Date: 2020/8/18
* Time: 8:18
*/
namespace Meibuyu\Micro\Shopify\lib;
use Exception;
use Meibuyu\Micro\Shopify\tools\CurlHttpRequestJson;
use Meibuyu\Micro\Shopify\tools\HttpRequestJson;
use Psr\Http\Message\ResponseInterface;
abstract class AbstractShopify
{
/**
* 资源id
* @var int
*/
public $id = null;
protected $httpHeaders = [];
protected $resourceUrl;
protected $resourceKey;
protected $pluralizeKey;
/**
* 无count方法
* @var boolean
*/
public $countEnabled = true;
// 子集资源
protected $childResource = [];
// 自定义请求方法
protected $customGetActions = [];
protected $customPostActions = [];
protected $customPutActions = [];
protected $customDeleteActions = [];
private $config;
/**
* @var HttpRequestJson|CurlHttpRequestJson
*/
private $httpRequestJson;
/**
* AbstractShopify constructor.
* @param $config
* @param null $id
* @param string $parentResourceUrl
* @throws Exception
*/
public function __construct($config, $id = null, $parentResourceUrl = null)
{
$this->config = $config;
$this->id = $id;
$this->pluralizeKey = $this->pluralizeKey ?: $this->resourceKey . 's';
$this->resourceUrl = ($parentResourceUrl ? "$parentResourceUrl/" : $config['api_url']) . $this->pluralizeKey . ($this->id ? "/{$this->id}" : '');
$this->httpRequestJson = make(CurlHttpRequestJson::class);
if (isset($config['is_private_app']) && $config['is_private_app'] == false) {
// 如果不是私人应用,则使用访问令牌
if (isset($config['access_token'])) {
$this->httpHeaders['X-Shopify-Access-Token'] = $config['access_token'];
} elseif (!isset($config['access_token'])) {
throw new Exception("请设置access_token值");
}
} else {
if (isset($config['api_password'])) {
$this->httpHeaders['X-Shopify-Access-Token'] = $config['api_password'];
} elseif (!isset($config['api_password'])) {
throw new Exception("请设置api_password值");
}
}
}
/**
* 调用子集资源
* @param $childName
* @return mixed
*/
public function __get($childName)
{
return $this->$childName();
}
/**
* 调用自定义方法
* @param $name
* @param $arguments
* @return mixed
* @throws Exception
*/
public function __call($name, $arguments)
{
if (ctype_upper($name[0])) {
$childKey = array_search($name, $this->childResource);
if ($childKey === false) {
throw new Exception(" $name 不属于 {$this->getResourceName()}");
}
$childClassName = !is_numeric($childKey) ? $childKey : $name;
$childClass = __NAMESPACE__ . "\\" . $childClassName;
$resourceID = !empty($arguments) ? $arguments[0] : null;
return new $childClass($this->config, $resourceID, $this->resourceUrl);
} else {
$actionMaps = [
'post' => 'customPostActions',
'put' => 'customPutActions',
'get' => 'customGetActions',
'delete' => 'customDeleteActions',
];
//Get the array key for the action in the actions array
foreach ($actionMaps as $httpMethod => $actionArrayKey) {
$actionKey = array_search($name, $this->$actionArrayKey);
if ($actionKey !== false) break;
}
if ($actionKey === false) {
throw new Exception("No action named $name is defined for " . $this->getResourceName());
}
//If any associative key is given to the action, then it will be considered as the method name,
//otherwise the action name will be the method name
$customAction = !is_numeric($actionKey) ? $actionKey : $name;
//Get the first argument if provided with the method call
$methodArgument = !empty($arguments) ? $arguments[0] : [];
//Url parameters
$urlParams = [];
//Data body
$dataArray = [];
//Consider the argument as url parameters for get and delete request
//and data array for post and put request
if ($httpMethod == 'post' || $httpMethod == 'put') {
$dataArray = $methodArgument;
} else {
$urlParams = $methodArgument;
}
$url = $this->generateUrl($urlParams, null, $customAction);
if ($httpMethod == 'post' || $httpMethod == 'put') {
return $this->$httpMethod($dataArray, $url, false);
} else {
return $this->$httpMethod($dataArray, $url);
}
}
}
private function getResourceName()
{
return substr(get_called_class(), strrpos(get_called_class(), '\\') + 1);
}
public function generateUrl($urlParams = [], $id = null, $customAction = null)
{
$resourceUrl = $this->resourceUrl;
if ($id) {
if ($this->id) {
if ($id !== $this->id) {
$resourceUrl = str_replace($this->id, $id, $this->resourceUrl);
}
} else {
$resourceUrl = $this->resourceUrl . "/$id";
}
}
return $resourceUrl . ($customAction ? "/$customAction" : '') . '.json' . (!empty($urlParams) ? '?' . http_build_query($urlParams) : '');
}
/**
* 获取数量
* @param array $urlParams
* @return mixed
* @throws Exception
*/
public function count($urlParams = [])
{
if (!$this->countEnabled) {
throw new Exception("当前类{$this->getResourceName()}不支持count()方法");
}
$url = $this->generateUrl($urlParams, null, 'count');
return $this->get([], $url, 'count');
}
/**
* @param array $urlParams
* @param null $url
* @param null $dataKey
* @return mixed
* @throws Exception
*/
public function get($urlParams = [], $url = null, $dataKey = null)
{
if (!$url) $url = $this->generateUrl($urlParams);
$response = $this->httpRequestJson->get($url, $this->httpHeaders);
if (!$dataKey) $dataKey = $this->id ? $this->resourceKey : $this->pluralizeKey;
return $this->processResponse($response, $dataKey);
}
/**
* 分页
* @param null $url
* @param array $urlParams
* @return mixed ['data' => [数据], 'next_link' => '下一页链接']
* @throws Exception
*/
public function page($url = null, $urlParams = [])
{
if (!$url) $url = $this->generateUrl($urlParams);
$response = $this->httpRequestJson->get($url, $this->httpHeaders);
return $this->processPageResponse($response, $this->pluralizeKey);
}
/**
* 根据id获取一条数据
* @param $id
* @param array $urlParams
* @return mixed
* @throws Exception
*/
public function show($id, $urlParams = [])
{
$url = $this->generateUrl($urlParams, $id);
$response = $this->httpRequestJson->get($url, $this->httpHeaders);
return $this->processResponse($response, $this->resourceKey);
}
/**
* @param $dataArray
* @param null $url
* @param bool $wrapData
* @return mixed
* @throws Exception
*/
public function post($dataArray, $url = null, $wrapData = true)
{
if (!$url) $url = $this->generateUrl();
if ($wrapData && !empty($dataArray)) $dataArray = $this->wrapData($dataArray);
$response = $this->httpRequestJson->post($url, $dataArray, $this->httpHeaders);
return $this->processResponse($response, $this->resourceKey);
}
/**
* @param int|string $id
* @param $dataArray
* @param null $url
* @param bool $wrapData
* @return mixed
* @throws Exception
*/
public function put($id, $dataArray, $url = null, $wrapData = true)
{
if (!$url) $url = $this->generateUrl([], $id);
if ($wrapData && !empty($dataArray)) $dataArray = $this->wrapData($dataArray);
$response = $this->httpRequestJson->put($url, $dataArray, $this->httpHeaders);
return $this->processResponse($response, $this->resourceKey);
}
/**
* @param int|string $id
* @param array $urlParams
* @param null $url
* @return mixed
* @throws Exception
*/
public function delete($id = null, $urlParams = [], $url = null)
{
if (!$url) $url = $this->generateUrl($urlParams, $id);
$response = $this->httpRequestJson->delete($url, $this->httpHeaders);
return $this->processResponse($response);
}
protected function wrapData($dataArray, $dataKey = null)
{
if (!$dataKey) $dataKey = $this->resourceKey;
return [$dataKey => $dataArray];
}
protected function castString($array)
{
if (!is_array($array)) return (string)$array;
$string = '';
$i = 0;
foreach ($array as $key => $val) {
$string .= ($i === $key ? '' : "$key - ") . $this->castString($val) . ', ';
$i++;
}
$string = rtrim($string, ', ');
return $string;
}
/**
* 处理响应
* @param array $response
* @param null $dataKey
* @return mixed
* @throws Exception
*/
public function processResponse($response, $dataKey = null)
{
[$code, , $content] = $response;
$content = json_decode($content, true);
if (isset($content['errors'])) {
throw new Exception($this->castString($content['errors']), $code);
}
if ($dataKey && isset($content[$dataKey])) {
return $content[$dataKey];
} else {
return $content;
}
}
/**
* 处理响应
* @param ResponseInterface $response
* @param null $dataKey
* @return mixed
* @throws Exception
*/
public function processPageResponse($response, $dataKey = null)
{
[$code, $headers, $content] = $response;
$content = json_decode($content, true);
$link = $this->getLink($headers);
if (isset($content['errors'])) {
throw new Exception($this->castString($content['errors']), $code);
}
if ($dataKey && isset($content[$dataKey])) {
$data = $content[$dataKey];
} else {
$data = $content;
}
return ['data' => $data, 'next_link' => $link];
}
public function getLink($header, $type = 'next')
{
if (!empty($header['x-shopify-api-version'][0]) && $header['x-shopify-api-version'][0] < '2019-07') {
return null;
}
if (!empty($header['link'][0])) {
$headerLinks = $header['link'][0];
if (stristr($headerLinks, '; rel="' . $type . '"') > -1) {
$headerLinks = explode(',', $headerLinks);
foreach ($headerLinks as $headerLink) {
if (stristr($headerLink, '; rel="' . $type . '"') === -1) {
continue;
}
$pattern = '#<(.*?)>; rel="' . $type . '"#m';
preg_match($pattern, $headerLink, $linkResponseHeaders);
if ($linkResponseHeaders) {
return $linkResponseHeaders[1];
}
}
}
}
return null;
}
}