lanzu_api_2021-12-26/app/Controller/CouponRebateController.php

<?php

declare(strict_types=1);
/**
 * This file is part of Hyperf.
 *
 * @link     https://www.hyperf.io
 * @document https://doc.hyperf.io
 * @contact  group@hyperf.io
 * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
 */

namespace App\Controller;
use Hyperf\DbConnection\Db;
use Hyperf\Redis\Redis;
use Hyperf\Utils\ApplicationContext;
use App\CouponRebate\CouponRebateInterface;
use http\Client\Curl\User;
use Hyperf\Di\Annotation\Inject;
use App\Model\Coupon;
use App\Model\CouponUserRecType;
use App\Model\CouponRec;
use App\Request\CouponRebateReceiveRequest;
class CouponRebateController extends BaseController
{
    /**
     * @Inject
     * @var CouponRebateInterface
     */
    protected $CouponRebate;
    public function isCouponRebate()
    {
        $user_id = $this->request->input('user_id', 0);
        $res = $this->CouponRebate->isCouponRebate($user_id);
        return $this->success($res);
    }

    /**
     * 用户领取优惠券
    */
    public function userReceiveCouponA(CouponRebateReceiveRequest $validator)
    {
        $userId      = $this->request->input("user_id", 0);
        $receiveType = $this->request->input("receive_type", 0);
        $ids         = $this->request->input("ids", '');
        $sendUserId  = $this->request->input("send_user_id", 0);
        $phone       = $this->request->input("phone", '');
        $ids     = explode(',', $ids);
        $now     = time();
        
        // mock 数据 给前端用
        $test       = $this->request->input("test", 0);
        if($test){
            $cps     = Coupon::whereIn('id', $ids)->lockForUpdate()
            ->select('id','title','status','inventory','inventory_use','start_time','end_time')
            ->first();
            return $this->success([
                'success' => [$cps],
                'fail'    => [],
            ]);
        }

        $success = [];
        $fail    = [];

        Db::transaction( function () use ($ids,$receiveType,$userId,$sendUserId,$phone,&$success,&$fail,$now) {
            //读写锁，完全控制，性能低
            $cps   = Coupon::whereIn('id', $ids)->lockForUpdate()
                    ->select('id','title','status','inventory','inventory_use','start_time','end_time')
                    ->get();

            foreach ($cps as $key => $cp) {

                $where = [
                    'system_coupon_user_id' => $cp->id,
                ];

                if (env('SUB_CHANNEL') == 1) {
                    $where['receive_type'] = $receiveType;
                }

                $crt = CouponUserRecType::where($where)->first();

                $cr                        = new CouponRec;
                $cr->user_id               = $userId;
                $cr->system_coupon_user_id = $cp->id;
                $cr->order_main_id         = 0;
                $cr->receive_time          = $now;
                $cr->number                = $crt->one_receive_number;
                $cr->number_remain         = $crt->one_receive_number;
                $cr->status                = 0;
                $cr->update_time           = $now;
                $cr->receive_type          = $receiveType;
                $cr->send_user_id          = $sendUserId;
                $cr->phone                 = $phone;
                //如果优惠卷库存小于等于已领取的数量 或者 未在活动时间内, 则返回领取失败的优惠券
                if ( 
                    $cp->status != 1
                    ||
                    $cp->inventory <= $cp->inventory_use
                    ||
                    $cp->inventory < ($cp->inventory_use+$cr->number)
                    ||
                    $cp->start_time < $now
                    ||
                    $cp->end_time > $now
                    )
                {
                    $fail[] = $cp;
                }else{
                    $cp->inventory_use += $cr->number;//记录已领取的数量
                    if ( $cr->save() && $cp->save() ) {
                        $success[] = $cp;
                    } else {
                        $fail[] = $cp;
                    }
                }
            }
        });

        return $this->success([
            'success' => $success,
            'fail'    => $fail,
        ]);
    }
}