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<?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 Exception;
class CouponRebateService implements CouponRebateServiceInterface{ /** * @Inject * @var Log */ protected $log;
/** * 领取优惠券 */ public function userReceiveCoupon($params) { $userId = $params["user_id"]; $receiveType = $params["receive_type"]; $id = $params["id"]; $sendUserId = $params["send_user_id"]; $phone = $params["phone"]; $now = time();
// status : 0 领取成功 >0 领取失败
$result = [ 'status' => 1, 'data' => [], 'coupon_text' => '继续努力~' ];
// 错误日志记录
$errorData = [ 'coupon_id' =>$id, 'user_id' =>$userId, 'receiveType' =>$receiveType, 'sendUserId' =>$sendUserId, 'phone' =>$phone ];
Db::transaction( function() use ($id,$receiveType,$userId,$sendUserId,$phone,$now,&$result,&$errorData) {
try{ //读写锁，完全控制，性能低
$cp = Coupon::where('id', $id)->lockForUpdate() ->select('id','title','status','inventory','inventory_use','start_time','end_time','full_amount','discounts') ->first();
$couponReceiveType = CouponUserRecType::where('system_coupon_user_id',$cp->id)->select('one_receive_number');
if (env('SUB_CHANNEL') == 1) { $couponReceiveType->where('receive_type',$receiveType); } // 查询一次能领取的数量
$crt = $couponReceiveType->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 ) { $result['status'] = 2; $result['coupon_text'] = '红包已经领完~';
$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 ); }else{ // 判断是否领取过 存在记录则领取过
$isReceive = CouponRec::select('id') ->where('system_coupon_user_id',$id) ->where('user_id',$userId) ->exists();
if(!$isReceive){
$cp->inventory_use += $cr->number;//记录已领取的数量
if ( $cr->save() && $cp->save() ) { $result['status'] = 0; // $result['data'] = $cp;
$result['coupon_text'] = $cp['discounts'].'元红包'; } }else{ $errorData['msg'] = '用户已经领取了此优惠券'; $this->log->event( LogLabel::COUPON_LOG, $errorData ); } } } catch (Exception $e){ $errorData['msg'] = $e->getMessage(); $this->log->event( LogLabel::COUPON_LOG, $errorData ); } });
return $result; }
/* * 判断用户是否已领取过优惠券 * */ public function isCouponRebate($user_id) { $res = Db::table('ims_system_coupon_user as u') ->leftjoin('ims_system_coupon_user_receive as r','u.id','=','r.system_coupon_user_id') ->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() { $time = time(); $res = Db::table('ims_system_coupon_user') ->where([ ['status' ,'=', 1], ['active_type' ,'=', 2], ['start_time' ,'<=', $time], ['end_time' ,'>', $time], ]) ->whereRaw('inventory > inventory_use') ->orderBy('addtime','desc') ->get(); return $res; }
/* * 支付成功 返券 */ public function couponRebate($order_id) {
/* 判断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', '=', $order_id], ['r.send_user_id', '>', 0], ['r.rebate_type', '=', 1], ['r.receive_type', '=', 4], ['u.status', '=', 1], ]) ->select('r.id', 'r.send_user_id', 'u.system_coupon_id') ->first(); /* 如果使用的优惠券为转发活动优惠券 则给赠送者返一张优惠券*/ if (isset($coupon->send_user_id) && ($coupon->send_user_id) > 0) { //判断该优惠券是否有库存
// $inventory = Db::table('system_coupon_user_receive as r');
// if($inventory['inventory'] <= 0){
// return '库存不足';
// }
//判断用户是否已有该类型优惠券
$exist_coupon = Db::table('ims_system_coupon_user_receive') ->where([ ['system_coupon_user_id', '=', $coupon->system_coupon_id], ['user_id', '=', $coupon->send_user_id], ['receive_type', '=', 5], ['status', '=', 0], ]) ->select('id') ->first(); //return $exist_coupon;
//开启事务
try { /* * 如果已有该优惠券 则领取数量 和 可用数量 自增1 * 否则新增一条返券记录 */ $nowTime = time(); $res = Db::table('ims_system_coupon_user_receive')->updateOrInsert( [ 'system_coupon_user_id' => $coupon->system_coupon_id, 'user_id' => $coupon->send_user_id, 'receive_type' => 5, 'status' => 0, ], [ 'order_main_id' => $order_id, 'receive_time' => $nowTime, 'number' => 1, 'number_remain' => 1, 'update_time' => $nowTime, 'created_at' => $nowTime, 'updated_at' => $nowTime, ] );// if ($res) {
// //首次返券更新rebate_type字段 防止重复返券
// Db::table('system_coupon_user_receive')->where('id', $coupon->id)->update(['rebate_type' => 2]);
// //更新库存操作
// Db::table('system_coupon_user')
// ->where('id', $coupon->id)
// ->increment('inventory_use');
// } else {
// Db::rollBack();
// return '事务失败';
// }
// 提交
Db::commit(); } catch (\Exception $e) { // 回滚
Db::rollBack(); return '返券失败'; } } else {// $str1 = 'order_main_id:'.$this->order_id . ',未查询到用户领取优惠券信息['.$coupon.']';
// $this->couponErrorLog($str1);
}
return $exist_coupon->id; }}
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