PaypalPayment.php
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<?php
/**
* Created by PhpStorm.
* User: lishuai
* Date: 2022/2/15
* Time: 4:23 PM
*/
namespace App\Payment;
use App\Models\Order;
use GuzzleHttp\Client;
use Illuminate\Support\Facades\Redis;
class PaypalPayment implements PaymentInterface
{
const IS_SANDBOX = true;
public $baseUrl = 'https://api-m.paypal.com';
public $baseUrlSandbox = 'https://api-m.sandbox.paypal.com';
public $clientId = 'AdDRE91WSp5q1fYLODpJduc2mRjA_v6E205SvkfVSOgvr98xLeyDCHY4OPAaSFMK1SHYOfJ4TksHSX1-';
public $secret = 'EDoy_PVrFyobWt9DzAMRMikJwWCXenkWSx9CGFz0MxHt3a8fs6v-LnORMilIbftb2GwBKxOoTVZNBHNR';
/** 访问令牌*/
public $accessToken;
public function __construct()
{
// 初始化时做一些准备工作
$redis = Redis::connection();
$access_token = $redis->get('paypal:access_token');
if ($access_token){
$this->accessToken = $access_token;
}else{
$client = new Client([
'base_uri' => $this->baseUrlSandbox,
'headers'=>[
'Content-Type' => 'application/x-www-form-urlencoded',
'Accept'=>'application/json',
]
]);
$response = $client->post('/v1/oauth2/token',[
'form_params'=>['grant_type' => 'client_credentials'],
'auth' => [$this->clientId, $this->secret],
]);
$body = $response->getBody();
$content = json_decode($body->getContents(),true);
$this->accessToken = $content['access_token'];
$redis->setex('paypal:access_token',$content['expires_in'],$content['access_token']);
}
}
/**
* Setting up the JSON request body for creating the Order. The Intent in the
* request body should be set as "CAPTURE" for capture intent flow.
* @param Order $order
* @return array
*/
private static function buildCreateOrderRequestBody(Order $order)
{
return array(
'intent' => 'CAPTURE', //CAPTURE 商家打算在客户付款后立即扣款。 AUTHORIZE 商家打算在客户付款后授权付款并暂停资金
'application_context' =>
array(
'return_url' => 'https://example.com/return', // todo
'cancel_url' => 'https://example.com/cancel', // todo 这里要询问reason app是否有schema，
'brand_name' => 'Parlando', //覆盖 PayPal 网站上 PayPal 帐户中公司名称的标签。
'locale' => 'en-US', //zh-CN
'landing_page' => 'NO_PREFERENCE', //LOGIN / BILLING / NO_PREFERENCE
'shipping_preference' => 'NO_SHIPPING', //运输偏好
'user_action' => 'PAY_NOW',
),
'purchase_units' =>
array(
0 =>
array(
'description' => $order->description, // 购买说明
'custom_id' => $order->order_sn, //API 调用者提供的外部 ID 可以理解为order_id osnxxxxxx
'soft_descriptor' => 'PayPal Parlando Vip', // 出现在付款人卡对帐单上的对帐单描述符的动态文本 最大长度：22.
'amount' =>
array(
'currency_code' => 'USD', // CNY
'value' => $order->pay_amount, //
),
),
),
);
}
public function prepare(Order $order)
{
// 在PayPal上创建一个订单，它会返回一个订单对象，它有一个订单id
$client = new Client([
'base_uri' => $this->baseUrlSandbox,
'headers'=>[
'Content-Type' => 'application/json',
'Authorization' => 'Bearer ' . $this->accessToken,
'Prefer' => 'return=representation',
]
]);
$response = $client->post('/v2/checkout/orders',[
'json' => self::buildCreateOrderRequestBody($order),
]);
$body = $response->getBody();
$content = json_decode($body->getContents(),true);
return $content;
}
public function capture($orderId)
{
$client = new Client([
'base_uri' => $this->baseUrlSandbox,
'headers'=>[
'Content-Type' => 'application/json',
'Authorization' => 'Bearer ' . $this->accessToken,
'Prefer' => 'return=representation',
]
]);
$response = $client->post('/v2/checkout/orders/' . $orderId . '/capture');
$body = $response->getBody();
$content = json_decode($body->getContents(),true);
// todo 应该使用队列，异步执行回调程序
return $content;
}
public function notify()
{
}
}