hainan/app/AdminAgent/Extensions/Grid/AuditRefund.php

<?php

namespace App\AdminAgent\Extensions\Grid;
use App\Common\OrderStatus;
use App\Models\Order;
use App\Models\UserMoneyLog;
use Dcat\Admin\Admin;
use Dcat\Admin\Grid\RowAction;
use EasyWeChat\Factory;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

/**
 * 退款审核
 * Class AuditRefund
 * @package App\AdminAgent\Extensions\Grid
 */
class AuditRefund extends RowAction
{
	private $action;

	public function __construct($title = null, $action = 1)
	{
		parent::__construct($title);
		$this->action = $action; //$action：1=通过；2=拒绝
		$this->title = $action == 1 ? '通过' : '拒绝';
	}

	protected function html()
	{
		$class = $this->action == 1 ? 'btn btn-sm btn-success' : 'btn btn-sm btn-danger';
		$this->appendHtmlAttribute('class', $class);
		$this->defaultHtmlAttribute('href', 'javascript:;');

		return "<a {$this->formatHtmlAttributes()}>{$this->title}</a>";
	}

	public function handle(Request $request)
	{
		return $request->action == 1 ? $this->pass() : $this->refuse();
	}

	//通过退款
	private function pass()
	{
		$agent = Admin::user();
		DB::beginTransaction();
		try {
			//修改订单状态
			$order = Order::firstWhere(['id' => $this->getKey(), 'agent_id' => $agent->id, 'status' => OrderStatus::REFUNDING]);
			if (!$order) {
				return $this->response()->error("退款订单不存在或已处理过了")->refresh();
			}
			$order->status = OrderStatus::REFUNDED;
			$order->save();

			//查看原来的支付信息，可能存在多条支付记录
			$log = UserMoneyLog::query()
				->where(['user_id' => $order->user_id, 'order_id' => $order->id, 'type' => 1])
				->where('transaction_id', '<>', '')
				->get();
			if ($log->isEmpty()) {
				throw new \Exception('未查询到该笔订单的支付信息，退款失败');
			}

			//将微信发起退款申请
			$config = config('wechat.payment.default');
			$config = array_merge($config, [
				'app_id' => $agent->appid,
				'mch_id' => $agent->mchid,
				'key' => $agent->mchkey,
				'notify_url' => route('wxpay_refund', $agent->id),
			]);
			$app = Factory::payment($config);

			// 参数分别为：微信订单号、商户退款单号、订单金额、退款金额、其他参数
			foreach ($log as $k=>$v) {
				$refund_no = $order->refund_info['refund_no'] . '-' . $v['id'];
				$app->refund->byTransactionId($v->transaction_id, $refund_no, $v->money, $v->money, $config);
			}

			//退款回调之后再存入UserMoneyLog

			DB::commit();
			return $this->response()->success("操作成功，已向微信申请退款，款项将原路退还")->refresh();
		} catch (\Exception $e) {
			DB::rollBack();
			return $this->response()->error($e->getMessage());
		}
	}

	//拒绝退款
	private function refuse()
	{
		try {
			$order = Order::firstWhere(['id' => $this->getKey(), 'agent_id' => Admin::user()->id, 'status' => OrderStatus::REFUNDING]);
			if (!$order) {
				return $this->response()->error("退款订单不存在或已处理过了")->refresh();
			}
			$order->status = OrderStatus::REFUSED_REFUND;
			$order->save();
			return $this->response()->success("操作成功，退款已拒绝")->refresh();
		} catch (\Exception $e) {
			return $this->response()->error($e->getMessage());
		}
	}

	public function confirm()
	{
		return ['确定要'.$this->title.'该用户的退款吗？', ''];
	}

	public function parameters()
	{
		return ['action' => $this->action];
	}
}