lanzu_api_2021-12-26/app/Service/CouponRebateService.php

<?php

namespace App\Service;

use Hyperf\Di\Annotation\Inject;
use Hyperf\DbConnection\Db;
use App\Model\Coupon;
use App\Model\CouponUserRecType;
use App\Model\CouponRec;
use App\Constants\LogLabel;
use App\Commons\Log;
use Hyperf\Utils\ApplicationContext;
use App\TaskWorker\SSDBTask;
use App\Constants\SsdbKeysPrefix;
use Exception;

class CouponRebateService implements CouponRebateServiceInterface
{
    /**
     * @Inject
     * @var Log
     */
    protected $log;

    /**
     * 领取优惠券
     * 返券活动领取
     * 一次可领取多张优惠券
     * 一个用户不可重复领取
     */
    public function userReceiveCoupon($params)
    {
        $userId         = $params["user_id"];
        $receiveType    = $params["receive_type"];
        $ids            = $params["ids"];
        $sendUserId     = $params["send_user_id"];
        $phone          = $params["phone"];
        $now            = time();
        $idsData        = is_array($ids) ? $ids : explode(',',$ids);

        // status: 0领取成功  >0领取失败
        $result = [
            'status'        => 1,
            'coupon_text'   => '继续努力~'
        ];

        // 错误日志记录
        $errorData = [
            'coupon_ids'     =>$ids,
            'user_id'       =>$userId,
            'receiveType'   =>$receiveType,
            'sendUserId'    =>$sendUserId,
            'phone'         =>$phone
        ];

        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        $receiveSsdb = [];

        // 判断是否已全部领取
        $couponActivity = $ssdb->exec('hget', SsdbKeysPrefix::COUPON_REBATE_ACTIVITY,0);
        $userReceiveCouponIds = $ssdb->exec('hgetall', SsdbKeysPrefix::COUPON_REBATE_RECEIVE . $couponActivity . $userId);
        if($userReceiveCouponIds !== false){
            $ids = array_diff($idsData, $userReceiveCouponIds);
            $receiveSsdb = $userReceiveCouponIds;
        }else{
            $ids = $idsData;
        }

        if(count($ids) > 0){
            try{
                Db::transaction( function() use ($ids,$receiveType,$userId,$sendUserId,$phone,$now,&$result,&$errorData,&$receiveSsdb) {
    
                    $success = [];
                    $fail    = [];
    
                    //读写锁，完全控制，性能低
                    $coupons = Coupon::whereIn('id', $ids)->lockForUpdate()
                        ->select('id','title','status','inventory','inventory_use','start_time','end_time','full_amount','discounts','active_type')
                        ->get();
    
                    foreach($coupons as $coupon){
                        $errorData['coupon_id'] = $coupon->id;
    
                        //如果优惠卷库存小于等于已领取的数量 或者 未在活动时间内可领取, 否则返回领取失败的优惠券
                        if (
                            $coupon->status == 1
                            &&
                            $coupon->inventory > $coupon->inventory_use
                            &&
                            $coupon->start_time <= $now
                            &&
                            $coupon->end_time >= $now
                            &&
                            $coupon->active_type == 2
                        )
                        {
    
                            // 查询一次能领取的数量
                            $couponReceiveType = CouponUserRecType::where('system_coupon_user_id',$coupon->id)->select('one_receive_number');
                            if (env('SUB_CHANNEL') == 1) {
                                $couponReceiveType->where('receive_type',$receiveType);
                            }
                            $couponReceiveType = $couponReceiveType->first();
    
                            // 优惠券可领取数量 >= 本次领取数量
                            if($coupon->inventory - $coupon->inventory_use >= $couponReceiveType->one_receive_number){
    
                                // 判断是否领取过 存在记录则领取过
                                $isReceive = CouponRec::select('id')
                                    ->where('system_coupon_user_id',$coupon->id)
                                    ->where('user_id',$userId)
                                    ->exists();
    
                                if(!$isReceive){
                                    //记录已领取的数量
                                    $coupon->inventory_use += $couponReceiveType->number;
    
                                    $couponReceive                        = new CouponRec;
                                    $couponReceive->user_id               = $userId;
                                    $couponReceive->system_coupon_user_id = $coupon->id;
                                    $couponReceive->order_main_id         = 0;
                                    $couponReceive->receive_time          = $now;
                                    $couponReceive->number                = $couponReceiveType->one_receive_number;
                                    $couponReceive->number_remain         = $couponReceiveType->one_receive_number;
                                    $couponReceive->status                = 0;
                                    $couponReceive->update_time           = $now;
                                    $couponReceive->receive_type          = $receiveType;
                                    $couponReceive->send_user_id          = $sendUserId;
                                    $couponReceive->phone                 = $phone;
    
                                    if ( $couponReceive->save() && $coupon->save() ) {
                                        $success[] = $coupon;
                                        $receiveSsdb[] = $coupon->id;
                                    }
                                }else{
                                    $fail[] = $coupon;
                                    $receiveSsdb[] = $coupon->id;
                                    $result['status']       = 3;
                                    $result['coupon_text']  = '您已领取！赶快去下单吧~';
    
                                    $errorData['msg']       = '用户已经领取了优惠券';
                                    $this->log->event(
                                        LogLabel::COUPON_LOG,
                                        $errorData
                                    );
                                }
                            }else{
                                $fail[] = $coupon;
                                $errorData['remain_receive_number'] = $coupon->inventory - $coupon->inventory_use;
                                $errorData['one_receive_number']    = $couponReceiveType->one_receive_number;
                                $errorData['msg']                   = '优惠券剩余数量不足';
                                $this->log->event(
                                    LogLabel::COUPON_LOG,
                                    $errorData
                                );
                            }
                        }else{
                            $fail[] = $coupon;
                            $errorData['msg'] = '优惠券已经过期或者被禁用或者已领完';
                            $this->log->event(
                                LogLabel::COUPON_LOG,
                                $errorData
                            );
                        }
                    }
                    $result['data'] = [
                        'success' => $success,
                        'fail'    => $fail
                    ];
                    if(count($success) > 0){
                        $result['status'] = 0;
                        $result['coupon_text'] = '恭喜您领取成功！';
                    }
                });
            } catch (Exception $e){
                $errorData['msg'] = $e->getMessage();
                $this->log->event(
                    LogLabel::COUPON_LOG,
                    $errorData
                );
            }

            if(count($receiveSsdb) > 0){
                $saveSsdb = [];
                foreach($receiveSsdb as $kssdb => $vssdb){
                    $saveSsdb[] = $kssdb;
                    $saveSsdb[] = $vssdb;
                }
                // 记录到ssdb
                if(false === $ssdb->exec('multi_hset',SsdbKeysPrefix::COUPON_REBATE_RECEIVE . $couponActivity . $userId, $saveSsdb)){
                    $errorData['msg']       = '记录领取优惠券到ssdb失败';
                    $this->log->event(
                        LogLabel::COUPON_LOG,
                        $errorData
                    );
                };
            }
        }else{
            $result['status']       = 2;
            $result['coupon_text']  = '您已领取！赶快去下单吧~';
        }
        
        return $result;
    }

    /*
     * 判断用户是否已领取过优惠券
     * */
    public function isCouponRebate($user_id)
    {
        //获取SSDB上的活动信息
        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        $active = $ssdb->exec('hgetall',SsdbKeysPrefix::COUPON_REBATE_ACTIVITY);
        $coupon_ids = explode(',',$active['forward']);
        $res = Db::table('ims_system_coupon_user as u')
            ->leftjoin('ims_system_coupon_user_receive as r', 'u.id', '=', 'r.system_coupon_user_id')
            ->whereIn('r.system_coupon_user_id',$coupon_ids)
            ->where([
                ['r.user_id', '=', $user_id],
                ['r.receive_type', '=', 4],
                ['u.active_type', '=', 2],
            ])
            ->select('r.id')
            ->first();
        return $res;
    }

    /*
     *获取活动信息
     */
    public function getActiveInfo()
    {
        //获取SSDB上的活动信息
        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        $active = $ssdb->exec('hgetall',SsdbKeysPrefix::COUPON_REBATE_ACTIVITY);
        $coupon_ids = explode(',',$active['forward']);
        $time = time();
        $res = Db::table('ims_system_coupon_user')
            ->whereIn('id',$coupon_ids)
            ->where([
                ['status', '=', 1],
                ['active_type', '=', 2],
                ['start_time', '<=', $time],
                ['end_time', '>', $time],
            ])
            ->whereRaw('inventory > inventory_use')
            ->orderBy('weigh', 'desc')
            ->orderBy('addtime', 'desc')
            ->get();
        return $res;
    }
    
    /**
     * 将优惠券绑定活动
     * 领取优惠券 COUPON_REBATE_FORWARD  可多张
     * 返还优惠券 COUPON_REBATE_REPAY    只一张
     */
    public function tieCouponActive($couponActivity, $couponForward, $couponRepay)
    {
        $result = [
            'forward' => true,
            'repay' => true,
            'activity' => true,
        ];

        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        // $rrss1 = $ssdb->exec('hgetall', SsdbKeysPrefix::COUPON_REBATE_FORWARD . $couponActivity);
        // $rrss2 = $ssdb->exec('hget', SsdbKeysPrefix::COUPON_REBATE_REPAY . $couponActivity,0);
        // $rrss3 = $ssdb->exec('hget', SsdbKeysPrefix::COUPON_REBATE_ACTIVITY,0);
        // return [$rrss1,$rrss2,$rrss3];

        // 记录活动本次 activity_type 活动标志值
        if (false === $ssdb->exec('hset', SsdbKeysPrefix::COUPON_REBATE_ACTIVITY, [0,$couponActivity])) {

            $this->log->event(
                LogLabel::COUPON_LOG,
                [
                    'coupon_activity' => $couponActivity,
                    'msg' => '记录活动标志值（activity_type）到ssdb失败'
                ]
            );
            $result['activity'] = false;
        };

        // 记录领取类型优惠券
        $forwardData = [];
        foreach ($couponForward as $kForward => $vForward) {
            $forwardData[] = $kForward;
            $forwardData[] = $vForward;
        }

        if (false === $ssdb->exec('multi_hset', SsdbKeysPrefix::COUPON_REBATE_FORWARD . $couponActivity, $forwardData)) {

            $this->log->event(
                LogLabel::COUPON_LOG,
                [
                    'coupon_activity' => $couponActivity,
                    'coupon_forward' => $forwardData,
                    'msg' => '绑定-领取-优惠券到ssdb失败'
                ]
            );
            $result['forward'] = false;
        };

        // 记录返还类型优惠券
        if (false === $ssdb->exec('hset', SsdbKeysPrefix::COUPON_REBATE_REPAY . $couponActivity, [0,$couponRepay])) {

            $this->log->event(
                LogLabel::COUPON_LOG,
                [
                    'coupon_activity' => $couponActivity,
                    'coupon_Repay' => $couponRepay,
                    'msg' => '绑定-返还-优惠券到ssdb失败'
                ]
            );
            $result['repay'] = false;
        };

        return $result;
    }

	/*
     * 支付成功 返券
    */
    public function couponRebate($order_id)
    {
        //获取SSDB上的活动信息
        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        $active = $ssdb->execWithoutTask('hgetall',SsdbKeysPrefix::COUPON_REBATE_ACTIVITY);
        //判断返券优惠券是否有库存
        $inventory = Db::table('ims_system_coupon_user')
            ->where('id',$active['repay'])
            ->whereRaw('inventory > inventory_use')
            ->exists();
        if(!$inventory){
            return '库存不足';
        }

        //获取活动发放优惠券id
        $coupon_ids = explode(',',$active['forward']);

        /*  判断被使用的优惠券类型是否为转发活动优惠券 */
        $coupon = Db::table('ims_system_coupon_user_receive as r')
            ->leftjoin('ims_system_coupon_user_use as u', 'u.user_receive_id', '=', 'r.id')
            ->where([
                ['u.order_main_id', '=', $order_id],
                ['r.send_user_id', '>', 0],
                ['r.rebate_type', '=', 1],
                ['r.receive_type', '=', 4],
            ])
            ->whereIn('r.system_coupon_user_id',$coupon_ids)
            ->select('r.user_id', 'r.send_user_id')
            ->first();
        /* 如果使用的优惠券为转发活动优惠券 则给赠送者返一张优惠券*/
        if (isset($coupon->send_user_id) && ($coupon->send_user_id) > 0) {
            //是否已返过券
            $exists_coupon_rebate = Db::table('ims_system_coupon_user_receive')
                ->where([
                    ['system_coupon_user_id' ,'=', $active['repay']],
                    ['user_id' ,'=', $coupon->send_user_id],
                    ['receive_type' ,'=', 5],
                ])
                ->select('id','status')
                ->first();
            //开启事务
            Db::beginTransaction();
            try {
                //返券
                if($exists_coupon_rebate->id){
                    //如果已有该优惠券 则领取数量 和 可用数量 自增1
                    Db::table('ims_system_coupon_user_receive')
                        ->where([
                            ['id' ,'=', $exists_coupon_rebate->id],
                        ])
                        ->increment('number');
                    Db::table('ims_system_coupon_user_receive')
                        ->where([
                            ['id' ,'=', $exists_coupon_rebate->id],
                        ])
                        ->increment('number_remain');
                    //如果该用户在领取表中 status为已用完状态 2 则改为已用部分 1
                    if($exists_coupon_rebate->status == 2){
                        Db::table('ims_system_coupon_user_receive')
                            ->where([
                                ['id' ,'=', $exists_coupon_rebate->id],
                            ])
                            ->update(['status' => 1]);;
                    }
                }else {
                    //否则新增一条返券记录
                    $nowTime = time();
                    Db::table('ims_system_coupon_user_receive')->insert([
                        [
                            'user_id' => $coupon->send_user_id,
                            'system_coupon_user_id' => $active['repay'],
                            'receive_type' => 5,
                            'status' => 0,
                            'number' => 1,
                            'number_remain' => 1,
                            'order_main_id' => $order_id,
                            'receive_time' => $nowTime,
                            'update_time' => $nowTime,
                            'created_at' => $nowTime,
                            'updated_at' => $nowTime,
                        ]
                    ]);
                }
                //首次返券更新rebate_type字段 防止重复返券
                Db::table('ims_system_coupon_user_receive')
                    ->where([
                        ['user_id','=',$coupon->user_id],
                        ['receive_type','=',4],
                    ])
                    ->whereIn('system_coupon_user_id',$coupon_ids)
                    ->update(['rebate_type' => 2]);
                //更新库存操作
                Db::table('ims_system_coupon_user')
                    ->where('id', $active['repay']['repay'])
                    ->increment('inventory_use');

                // 提交
                Db::commit();
            } catch (\Exception $e) {
                // 回滚
                Db::rollBack();
                $log_Data = array();
                $log_Data['name'] = '返券';
                $log_Data['order_main_id'] = $order_id;
                $log_Data['msg'] = '返券失败';
                $this->log->event(
                    LogLabel::COUPON_LOG,
                    $log_Data
                );
            }
        }
        $log_Data = array();
        $log_Data['name'] = '返券';
        $log_Data['user_id'] = $order_id;
        $log_Data['send_user_id'] = $coupon->send_user_id;
        $log_Data['order_main_id'] = $order_id;
        $log_Data['msg'] = '返券成功';
        $this->log->event(
            LogLabel::COUPON_LOG,
            $log_Data
        );
        return '返券成功';
    }
}