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

<?php

namespace App\Service;

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

class CouponService implements CouponServiceInterface
{
    /**
     * @Inject
     * @var Log
     */
    protected $log;
    
    /**
     * @Inject
     * @var CommonService
     */
    protected $commonService;

     /**
     * 获取用户可领取优惠卷接口
     */
    public function getSystemCouponUserList($userId,$receiveType)
    {
        /* 优惠券活动标志 2 */ 
        $ssdb = ApplicationContext::getContainer()->get(SSDBTask::class);
        $couponActivity = $ssdb->exec('hgetall', SsdbKeysPrefix::COUPON_REBATE_ACTIVITY);
        $activityType = $couponActivity === false ? 0 : $couponActivity['activity'];

        $result = [
            'active_type' => 1,
            'not_receive' => [],
            'jump_data'   => [
                'src'        => "/zh_cjdianc/pages/couponrebate/index?activity_type=".$activityType,
                'src2'       => "/zh_cjdianc/pages/couponrebate/index?activity_type=".$activityType,
                'share_bg'   => env('OSS_IMG_HOST').'/static/img/coupon_share.png',
                'receive_bg' => env('OSS_IMG_HOST').'/static/img/coupon_bg.png',
                'coupons'    => []
            ]
        ];
        $nowTime = time();
        $c_ids = [];
        $whereC = [
            ['end_time','>',$nowTime],
            ['start_time','<=',$nowTime],
            ['status','=',1]
        ];
        // 渠道开启，查询该渠道可以领取的优惠券ID
        // 渠道未开启，查询所有优惠券
        if (env('SUB_CHANNEL') == 1) {
            $c_ids = CouponUserRecType::where('receive_type', $receiveType)->where($whereC)->pluck('system_coupon_user_id');
        } else {
            $c_ids = Coupon::where($whereC)->pluck('id');
        }

        $couponReceive = CouponRec::where('user_id',$userId);

        // 渠道开启，查询该用户在此渠道领过的优惠券ID
        if (env('SUB_CHANNEL') == 1) {
            $couponReceive->where('receive_type', $receiveType);
        }
        $cr_ids = $couponReceive->pluck('system_coupon_user_id');

        // 可领取的券ID
        $c_ids = $c_ids->toArray();
        // 已经领取的券ID
        $cr_ids = $cr_ids->toArray();

        // 当前用户可领的优惠券ID
        $couponIds = array_diff($c_ids, $cr_ids);

        // 转发型优惠券 
        $couponReceiveIds = ($couponActivity === false || $this->commonService->empty($couponActivity['forward']) )? [] : explode(',',$couponActivity['forward']);
        // 所有优惠券 
        $couponIds = array_merge($couponIds,$couponReceiveIds);

        $whereC = [
            ['u.end_time','>',$nowTime],
            ['u.start_time','<=',$nowTime],
            ['u.status','=',1]
        ];
        // 查询领取型1 和 转发型2
        $whereActiveType = [1,2];

        if (env('SUB_CHANNEL') == 1) {
            array_push($whereC, ['type.receive_type','=', $receiveType]);
        }
        
        $coupons = Db::table('ims_system_coupon_user as u')
            ->join('ims_system_coupon_user_receivetype as type', 'u.id', '=', 'type.system_coupon_user_id')
            ->whereIn('u.id', $couponIds)
            ->whereIn('u.active_type', $whereActiveType)
            ->where($whereC)
            ->whereRaw('u.inventory_use < u.inventory and u.inventory-u.inventory_use >= type.one_receive_number')
            ->select('u.*','type.one_receive_number')
            ->orderBy('u.weigh','desc')
            ->get();

        foreach ($coupons as $k => &$v){

            if($v->active_type == 1 && count($result['not_receive']) < 4){
                $result['not_receive'][] = $v;
            }else if($v->active_type == 2 && in_array($v->id,$couponReceiveIds)){
                $result['jump_data']['coupons'][] = $v->id;
            }

            if($v->discount_type == 2){
                $v->discounts = floatval($v->discounts);
            }
        }

        $result['active_type'] = count($result['jump_data']['coupons']) > 0 ? 2 : $result['active_type'] ;

        return $result;
    }

    //统计用户
    public function userCouponAccount()
    {

    }

    /**
     * 用户领取优惠卷
     */
    public function userReceiveCoupon()
    {
       
    }

    /**
     * 获取用户已经领取的优惠卷列表
     */
    public function getUserReceiveCouponList()
    {

    }

    /**
     * 获取用户当前订单可用的优惠券列表
     * 按分类（1订单 等优惠）分组返回
     */
    public function getUserAvailableCoupons($orderAmount,$userId,$marketId,$type,$storetypeId,$carIds)
    {
        $available = [];
        $notAvailable = [];
		$storetypeIds = explode(',', str_replace('，', ',', $storetypeId));

        if (empty($orderAmount) || empty($userId)) {
            return [
                'available' => $available,
                'not_available' => array_values($notAvailable)
            ];
        }

        // 获取用户优惠券
        $currentTime = time();

        $data = Db::table('ims_system_coupon_user_receive as receive')
            ->select([
                'receive.id as receive_id',
                'receive.user_id',
                'receive.number_remain',
                'coupon.id',
                'coupon.title',
                'coupon.full_amount',
                'coupon.discounts',
                'coupon.usable_start_time',
                'coupon.usable_end_time',
                'coupon.discount_type'
            ])
            ->join('ims_system_coupon_user as coupon', 'coupon.id', '=', 'receive.system_coupon_user_id')
            ->where(['receive.user_id' => $userId])
            ->whereIn('receive.status', [0,1])
            ->where('receive.number_remain', '>', 0)
            ->whereIn('coupon.type', [1,$type])
            ->where('coupon.full_amount', '<=', $orderAmount)
            ->where('coupon.usable_start_time', '<=', $currentTime)
            ->where('coupon.usable_end_time', '>=', $currentTime)
            ->where('coupon.usable_number', '<=', Db::raw('receive.number_remain'))
            ->where('coupon.market_id', 'in', [0, $marketId])
            ->whereIn('coupon.storetype_id', $storetypeIds)
            ->orderByRaw('coupon.discounts DESC, coupon.full_amount DESC')
            ->get();

        // 分离用户今天用过的优惠券种类
        $container = ApplicationContext::getContainer();
        $redis = $container->get(Redis::class);
        $couponIds = $redis->sMembers('coupon_'.date('Ymd').'_used_'.$userId);

        foreach ($data as $key => &$item) {
            if (in_array($item->id, $couponIds)) {
                $item->msg  = '今日已使用';
                $notAvailable[$item->id] = $item;
            } else {
                $available[] = $item;
            }
        }

        //如果存在特价商品 不给用券
        $carIdsArr = explode(',',$carIds);
        $shopCarExists = ShopCar::whereIn('id',$carIdsArr)
            ->where('money',0.01)
            ->exists();
        if($shopCarExists){
            var_dump(1111);
            foreach ($available as $k => $v) {
                $v->msg = '特价商品不可使用';
                $notAvailable[$v->id] = $v;
            }
            $available = [];
        }

        return [
            'available' => $available,
            'not_available' => array_values($notAvailable)
        ];
    }

    /**
     * @inheritDoc
     */
    public function getOrderCanUseCoupons($orderAmount, $marketId, $userId, $fields=[], $type = 1, $storeTypeIds = [0])
    {

        // 用户今日使用过的优惠券
        $redis = ApplicationContext::getContainer()->get(Redis::class);
        $couponTodayUsedIds = $redis->sMembers('coupon_'.date('Ymd').'_used_'.$userId);
        $currentTime = time();

        $builder = Db::table('ims_system_coupon_user_receive as receive')
            ->join('ims_system_coupon_user as coupon', 'coupon.id', '=', 'receive.system_coupon_user_id', 'inner');

        if (is_array($fields)&&!empty($fields)) {
             $builder->select($fields);
        }

        if (is_array($couponTodayUsedIds)&&!empty($couponTodayUsedIds)) {
            $builder->whereNotIn('coupon.id', $couponTodayUsedIds);
        }

        return $builder->where(['receive.user_id' => $userId])
            ->whereIn('receive.status', [0,1])
            ->where('receive.number_remain', '>', 0)
            ->whereIn('coupon.type', [1,$type])
            ->where('coupon.full_amount', '<=', $orderAmount)
            ->where('coupon.usable_start_time', '<=', $currentTime)
            ->where('coupon.usable_end_time', '>=', $currentTime)
            ->where('coupon.usable_number', '<=', Db::raw('receive.number_remain'))
            ->where('coupon.market_id', 'in', [0, $marketId])
            ->whereIn('coupon.storetype_id', $storeTypeIds)
            ->orderByRaw('coupon.discounts DESC, coupon.full_amount DESC')
            ->get()
            ->toArray();
    }

    /**
     * 缓存优惠券今日使用情况
     * @param $userId
     * @param $couponId
     * @param $couponRecId
     * @return bool
     */
    function cacheTodayCouponUsed($userId, $couponId, $couponRecId)
    {

        $redis = ApplicationContext::getContainer()->get(Redis::class);

        $setRes = $redis->sAdd(
            'coupon_'.date('Ymd').'_used_'.$userId,
            $couponId
        );

        $expireRes = $redis->expire(
            'coupon_'.date('Ymd').'_used_'.$userId,
            strtotime(date('Y-m-d').' 23:59:59')-time()
        );

        return $setRes&&$expireRes;
    }

    /**
     * 取消订单返券
     * @param $order_id
     * @return bool
     */
    public function refundOrderCoupons($global_order_id){
        $order_main = OrderMain::where('global_order_id',$global_order_id)
            ->select('id','user_id')
            ->first();
        $order_id = $order_main->id;
        $coupon = CouponUserUse::where([
                ['order_main_id','=',$order_id],
                ['status','=',CouponUserUse::COUPON_USE_STATE_USED],
            ])
            ->select('id','user_receive_id','number')
            ->first();

        if (empty($coupon)) {
            return '';
        }

        // 返回用户优惠券数量并更新状态
        $res = Db::update("UPDATE ims_system_coupon_user_receive SET number_remain=number_remain+{$coupon->number}, status=IF(number=number_remain,0,1), update_time=".time().""
            ." WHERE id={$coupon->user_receive_id} AND number>=(number_remain+{$coupon->number})");

        // 更新使用记录状态为已退回
        CouponUserUse::where([
                ['id','=',$coupon->id],
                ['status','=',CouponUserUse::COUPON_USE_STATE_USED],
            ])
            ->update([
                'status' => CouponUserUse::COUPON_USE_STATE_CANCEL,
                'return_time' => time(),
                'update_time' => time(),
            ]);

        //删除当日 redis 使用记录缓存
        $redis = ApplicationContext::getContainer()->get(Redis::class);
        $remRes = $redis->sRem(
            'coupon_'.date('Ymd').'_used_'.$order_main->user_id,
            $coupon->system_coupon_id
        );
        return $remRes;
    }

   /* 删除-优惠券今日使用的缓存
     * @param $userId
     * @param $couponId
     * @return bool
     */
    public function clearTodayCouponUsed($userId, $couponId)
    {

        $redis = ApplicationContext::getContainer()->get(Redis::class);

        $res = $redis->sRem(
            'coupon_'.date('Ymd').'_used_'.$userId,
            $couponId
        );
        return $res;
    }

    /**
     * 退款返还优惠券
     * 先查询是否正常使用优惠券
     * 修改状态，退还领取记录库存,删除ssdb缓存
     */
    public function orderRefundCoupons($global_order_id)
    {
        $order_main = OrderMain::where('global_order_id',$global_order_id)
            ->select('id','user_id')
            ->first();
        $time = time();
        Db::beginTransaction();
        try {
            $couponUses = CouponUserUse::query()
                    ->select('id','system_coupon_id','user_id','number','user_receive_id')
                    ->where('order_main_id',$order_main->id)
                    ->where('status',CouponUserUse::COUPON_USE_STATE_USED)
                    ->get();
            if(!empty($couponUses)){
                foreach($couponUses as $use){
                    $use->status = CouponUserUse::COUPON_USE_STATE_CANCEL;
                    $use->return_time = $time;
                    $use->update_time = $time;
                    $res = $use->save();

                    $couponReceive = CouponRec::query()
                            ->where('id',$use->user_receive_id)
                            ->whereRaw('number >= number_remain+'.$use->number)
                            ->update([
                                'number_remain' => Db::raw('number_remain+'.$use->number),
                                'status'        => Db::raw('IF(number=number_remain,' . CouponRec::STATE_UNUSED . ',' . CouponRec::STATE_SOME . ')'),
                                'update_time'   => $time
                                ]);

                    $clearUseRedis = $this->clearTodayCouponUsed($use->user_id,$use->system_coupon_id);
                }
            }

            Db::commit();
            return true;
        } catch (Exception $e) {

            $this->log->event(LogLabel::ORDER_LOG, ['msg'=> '订单退款','exception' => $e->getMessage()]);
            Db::rollBack();
            return false;
        }
    }
}