bike-api/app/Http/Controllers/V1/DepositCardOrderController.php

<?php

/**
 *
 *
 * @category   xxx
 * @package    PSR
 * @subpackage Documentation\API
 * @author     xxx  <xxx@xxx.com>
 * @license    GPL https://xxx.com
 * @link       https://xxx.com
 * @ctime:     2020/4/30 15:57
 */


namespace App\Http\Controllers\V1;


use App\Http\Requests\DepositCardRequest;
use App\Http\Requests\DepositCardsRequest;
use App\Jobs\CloseDepositCardOrderJob;
use App\Models\DepositCardOrder;
use App\Repositories\DepositCardRepository;
use App\Transformers\DepositCardTransformer;
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;
use function EasyWeChat\Kernel\Support\generate_sign;

class DepositCardOrderController extends BaseController
{
    public function index(DepositCardsRequest $depositCardsRequest, DepositCardRepository $depositCardRepository)
    {
        try {
            $area_id = $depositCardsRequest->get('area_id', 0);
            $depositCards = $depositCardRepository->getDepositCardsByAreaId($area_id);
            return $this->response->collection($depositCards, DepositCardTransformer::class);

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

    public function buyDepositCard(DepositCardRequest $depositCardRequest, DepositCardRepository $depositCardRepository)
    {
        try {
            $id = $depositCardRequest->get('id');
            $area_id = $depositCardRequest->get('area_id');
            if ($depositCardRepository->isStatusOK($id)) return $this->errorNoValidation('此免押金卡暂不售卖');
            $user_id = $this->user->id;

            if ($depositCardRepository->isCanBuy($user_id)) return $this->errorNoValidation('您已缴纳过押金，无需购买');
            $depositCard = $depositCardRepository->byIdGetModel($id);

            DB::beginTransaction();
            // 1.下单

            $discount = (bool)$depositCard->is_discount ? $depositCard->discount : 100;
            $money = $depositCard->price;
            $data = [
                'no' => DepositCardOrder::makeNo(),
                'area_id' => $area_id,
                'user_id' => $user_id,
                'deposit_cards_id' => $id,
                'money' => $money,
                'discount' => $discount,
                'pay_money' => bcdiv(bcmul($money, $discount, 2), 100, 2),
                'pay_type' => DepositCardOrder::PAY_TYPE_WECHAT,
                'pay_status' => DepositCardOrder::PAY_STATUS_NO,
                'pay_time' => Carbon::now(),
            ];

            $depositCardOrder = DepositCardOrder::create($data);
            $this->dispatch(new CloseDepositCardOrderJob($depositCardOrder, Carbon::now()->addMinutes(30)));
            //发起支付
            $payment = app('wechat.payment'); // 微信支付

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

            $result = $payment->order->unify([
                'body' => "[{$username}]支付免押金卡",
                'out_trade_no' => $depositCardOrder->no,
                'trade_type' => 'JSAPI',  // 必须为JSAPI
                'openid' => $auth['credential'], // 这里的openid为付款人的openid
                'total_fee' => wechat_fee($depositCardOrder->pay_money), // 总价
                'attach' => DepositCardOrder::NO_TAG,
                // 'notify_url' => config('app.url').'/api/payments/wechat-rent-notify',
            ]);

            // 如果成功生成统一下单的订单，那么进行二次签名
            if ('SUCCESS' === $result['return_code'] && 'SUCCESS' === $result['result_code']) {
                // 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'));

                $params['no'] = $depositCardOrder->no;
                DB::commit();
                return $this->response->array($params);
            }
            DB::rollBack();
            return $this->errorNoValidation('下单失败');
        } catch (\Exception $e) {
            DB::rollBack();
            return $this->errorNoValidation($e->getMessage());
        }
    }

}