weilaibike-api/app/Http/Controllers/V1/PunishmentOrderController.php

<?php

/**
 *
 *
 * @category   xxx
 * @package    PSR
 * @subpackage Documentation\API
 * @author     xxx  <xxx@xxx.com>
 * @license    GPL https://xxx.com
 * @link       https://xxx.com
 * @ctime:     2020/5/19 9:33
 */


namespace App\Http\Controllers\V1;


use App\Http\Requests\PunishmentOrderRequest;
use App\Models\PunishmentOrder;
use App\Repositories\PunishmentOrderRepository;
use App\Transformers\PunishmentOrdersTransformer;
use App\Transformers\PunishmentOrderTransformer;
use function EasyWeChat\Kernel\Support\generate_sign;

class PunishmentOrderController extends BaseController
{
    public function index(PunishmentOrderRepository $punishmentOrderRepository)
    {
        try {
            $user_id = $this->user->id;

            $punishmentOrders = $punishmentOrderRepository->getAllByUserId($user_id);

            return $this->response->paginator($punishmentOrders, PunishmentOrdersTransformer::class);

        } catch (\Exception $e) {
            return $this->errorNoValidation($e->getMessage());
        }
    }

    public function show(PunishmentOrderRequest $punishmentOrderRequest, PunishmentOrderRepository $punishmentOrderRepository)
    {
        try {
            $no = $punishmentOrderRequest->get('no');
            $punishmentOrder = $punishmentOrderRepository->getModelByNo($no);

            if (empty($punishmentOrder)) return $this->errorNoValidation('找不到该罚单');
            return $this->response->item($punishmentOrder, PunishmentOrderTransformer::class);
        } catch (\Exception $e) {
            return $this->errorNoValidation($e->getMessage());
        }
    }

    public function pay(PunishmentOrderRequest $punishmentOrderRequest, PunishmentOrderRepository $punishmentOrderRepository)
    {
        try {
            $no = $punishmentOrderRequest->get('no');
            $punishmentOrder = $punishmentOrderRepository->getModelByNo($no);

            if (empty($punishmentOrder)) return $this->errorNoValidation('找不到该罚单');
            $payOk = $punishmentOrderRepository->isPay($no);
            if (!empty($payOk)) return $this->errorNoValidation('此罚单已支付');

            $user = $this->user();

            $payment = app('wechat.payment'); // 微信支付

//            $username = $user->truename;
            $auth = $user->auth;

            $result = $payment->order->unify([
                'body' => "用户支付罚单-" . config('app.name', '未来bike'),
                'out_trade_no' => $punishmentOrder->no,
                'trade_type' => 'JSAPI',  // 必须为JSAPI
                'openid' => $auth['credential'], // 这里的openid为付款人的openid
                'total_fee' => wechat_fee($punishmentOrder->pay_money), // 总价
                'attach' => makeNoTag(PunishmentOrder::NO_TAG)
            ]);

            if ($result['return_code'] === 'FAIL') return $this->errorNoValidation('下单失败');

            // 如果成功生成统一下单的订单，那么进行二次签名
            if ($result['result_code'] === 'FAIL') {
                //判断是否重复下单
                if ($result['err_code'] === 'INVALID_REQUEST') {
                    $punishmentOrder->no = PunishmentOrder::makeNo();
                    $punishmentOrder->save();
                    $result = $payment->order->unify([
                        'body' => "用户支付罚单-" . config('app.name', '未来bike'),
                        'out_trade_no' => $punishmentOrder->no,
                        'trade_type' => 'JSAPI',  // 必须为JSAPI
                        'openid' => $auth['credential'], // 这里的openid为付款人的openid
                        'total_fee' => wechat_fee($punishmentOrder->pay_money), // 总价
                        'attach' => makeNoTag(PunishmentOrder::NO_TAG)
                    ]);
                } else {
                    return $this->errorNoValidation('下单失败');
                }
            }

            // 二次签名的参数必须与下面相同
            $params = [
                'appId' => $auth['identifier'],
                'timeStamp' => time(),
                'nonceStr' => $result['nonce_str'],
                'package' => 'prepay_id=' . $result['prepay_id'],
                'signType' => 'MD5',
            ];

            // config('wechat.payment.default.key')为商户的key
            $params['paySign'] = generate_sign($params, config('wechat.payment.default.key'));

            $response = $params;
            $response['order_no'] = $punishmentOrder->no;
            return $this->response->array($response);

        } catch (\Exception $exception) {
            return $this->errorNoValidation($exception->getMessage());
        }
    }

}