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

<?php
/**
 * Created by PhpStorm.
 * User: Mead
 * Date: 2019/8/19
 * Time: 2:11 PM
 */

namespace App\Http\Controllers\V1;

use App\Http\Requests\RechangeMoneyRequest;
use App\Jobs\CloseOrderJob;
use App\Models\RechargeConfiguration;
use App\Models\RechargeOrder;
use App\Repositories\RechargeConfigurationRepository;
use Carbon\Carbon;
use Dingo\Api\Http\Request;
use function EasyWeChat\Kernel\Support\generate_sign;

/**
 * 充值余额模块
 * Class RechangeOrderController
 * @package App\Http\Controllers\V1
 */
class RechangeOrderController extends BaseController
{
    /**
     * 充值
     * @param Request $request
     * User: Mead
     */
    public function store(RechangeMoneyRequest $request, RechargeConfigurationRepository $rechargeConfigurationRepository)
    {
        try {

            $area_id = $request->get('area_id', $this->user->register_area_id);
            $money = $request->get('money');
            $recharge_configuration_id = $request->get('config_id', 0);
            $config = [];
            $setting = false;

            if ($recharge_configuration_id) {
                //参与活动
                $setting = $rechargeConfigurationRepository->byIdGetActiveModel($recharge_configuration_id);

                if (bccomp($money, $setting->recharge_money, 0) !== 0) {
                    $money = $setting->recharge_money;
                }

            } else {
                $setting = $rechargeConfigurationRepository->byMoneyGetActiveModel($money,$area_id);
            }

            if ($setting) {
                if ((int)$setting->area_id !== (int)$area_id) {
                    return $this->errorNoValidation('该区域暂不支持此活动');
                }
                $config = $setting->only(['id', 'recharge_money', 'give_money', 'discount', 'area_id', 'name']);
//                if (bccomp($setting->discount, 1.00, 2) < 0) {
//                    // 有折扣
//                }


            }

            $data = [
                'area_id' => $area_id,
                'recharge_money' => $money,
                'preferential_money' => 0.00,
                'total_money' => $money,
                'pay_money' => $money,
                'user_id' => $this->user->id,
                'no' => RechargeOrder::makeNo(),
                'pay_status' => RechargeOrder::PAY_STATUS_NO,
                'pay_type' => RechargeOrder::PAY_TYPE_WECHAT,
                'recharge_config' => php2js($config)
            ];


            $order = RechargeOrder::create($data);

            $this->dispatch(new CloseOrderJob($order, Carbon::now()->addMinutes(30)));

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

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

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

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

                return $this->response->array($params);
            }
            return $this->errorNoValidation('下单失败');
        } catch (\Exception $exception) {
            return $this->errorNoValidation($exception->getMessage());
        }
    }
}