From d284ee834668601bfeea054c6e0ec38574b313a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B5=B5=E9=92=8A?= <leave1988@163.com>
Date: Thu, 16 Oct 2025 18:24:08 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E9=9C=80=E6=B1=82-=E6=B4=BB=E5=8A=A8?=
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---
 .../model/BlindBoxTurntableGiftDrawWorld.php  | 103 ++++++++++++++----
 1 file changed, 84 insertions(+), 19 deletions(-)

diff --git a/application/api/model/BlindBoxTurntableGiftDrawWorld.php b/application/api/model/BlindBoxTurntableGiftDrawWorld.php
index d455567..d2fac2e 100644
--- a/application/api/model/BlindBoxTurntableGiftDrawWorld.php
+++ b/application/api/model/BlindBoxTurntableGiftDrawWorld.php
@@ -767,23 +767,75 @@ class BlindBoxTurntableGiftDrawWorld extends Model
      */
     private function handleXlhOperations($room_id, $xlh_ext, $currentXlhPeriodsNum,$addcurrentXlhPeriodsNum,$room)
     {
-        $xlhIsPiaoPing = 0;
-        $xlhPeriodsNum = $this->getCachedXlhPeriodsNum("get");
-        if($xlhPeriodsNum < $xlh_ext['open_condition']['waiting_start_num'] && $currentXlhPeriodsNum >= $xlh_ext['open_condition']['waiting_start_num']){
-            $xlhIsPiaoPing = 1;
+        // 增加对 $xlh_ext 的安全检查
+        if (empty($xlh_ext) || !isset($xlh_ext['open_condition'])) {
+            return;
         }
-        if($xlhPeriodsNum < $xlh_ext['open_condition']['start_num'] && $currentXlhPeriodsNum >= $xlh_ext['open_condition']['start_num']){
-            $xlhIsPiaoPing = 2;
-        }
-        // 更新房间巡乐会次数
-        $this->getCachedXlhPeriodsNum("set",$addcurrentXlhPeriodsNum);
+        // 使用 Redis 锁防止并发问题
+        $lockKey = "xlh_operation_lock_{$room_id}";
+        $lockAcquired = false;
 
-        // 处理飘屏
-        if ($xlhIsPiaoPing == 1 || $xlhIsPiaoPing == 2) {
-            $this->handleXlhPiaoPing($room_id, $xlh_ext, $xlhIsPiaoPing);
+        if ($this->redis) {
+            // 尝试获取锁，最多等待3秒
+            $lockValue = uniqid();
+            for ($i = 0; $i < 30; $i++) {
+                if ($this->redis->set($lockKey, $lockValue, ['NX', 'EX' => 10])) {
+                    $lockAcquired = true;
+                    break;
+                }
+                usleep(100000); // 等待100ms
+            }
+        }
+        try {
+            $xlhPeriodsNum = $this->getCachedXlhPeriodsNum("get");
+            $xlhIsPiaoPing = 0;
+            if($xlhPeriodsNum < $xlh_ext['open_condition']['waiting_start_num'] && $currentXlhPeriodsNum >= $xlh_ext['open_condition']['waiting_start_num']){
+                $xlhIsPiaoPing = 1;
+            }
+            if($xlhPeriodsNum < $xlh_ext['open_condition']['start_num'] && $currentXlhPeriodsNum >= $xlh_ext['open_condition']['start_num']){
+                $xlhIsPiaoPing = 2;
+            }
+            // 更新房间巡乐会次数
+            $this->getCachedXlhPeriodsNum("set",$addcurrentXlhPeriodsNum);
+
+            // 处理飘屏
+            if ($xlhIsPiaoPing == 1 || $xlhIsPiaoPing == 2) {
+                $this->handleXlhPiaoPing($room_id, $xlh_ext, $xlhIsPiaoPing);
+            }
+            // 减少不必要的数据库查询
+            $shouldUpdateStatus = false;
+            if ($xlhPeriodsNum <= $xlh_ext['open_condition']['waiting_start_num']) {
+                $shouldUpdateStatus = true;
+            } else {
+                // 使用缓存优化，避免每次都查询数据库
+                $panXlhCacheKey = "pan_xlh_status";
+                $hasActiveXlh = Cache::get($panXlhCacheKey);
+
+                if ($hasActiveXlh === null) {
+                    $pan_xlh = db::name('vs_room_pan_xlh')
+                        ->where('send_time', 0)
+                        ->order('id', 'desc')
+                        ->find();
+                    $hasActiveXlh = !empty($pan_xlh) ? 1 : 0;
+                    Cache::set($panXlhCacheKey, $hasActiveXlh, 30); // 缓存30秒
+                }
+
+                if (!$hasActiveXlh) {
+                    $shouldUpdateStatus = true;
+                    // 清除缓存以便下次重新检查
+                    Cache::rm($panXlhCacheKey);
+                }
+            }
+
+            if ($shouldUpdateStatus) {
+                $this->updateAndPushXlhStatus($room_id, $xlh_ext, $currentXlhPeriodsNum);
+            }
+        } finally {
+            // 释放锁
+            if ($lockAcquired && $this->redis) {
+                $this->redis->del($lockKey);
+            }
         }
-        // 更新巡乐会状态并推送
-        $this->updateAndPushXlhStatus($room_id, $xlh_ext, $currentXlhPeriodsNum);
     }
     private function handleXlhPiaoPing($room_id, $xlh_ext, $xlhIsPiaoPing){
         if($xlhIsPiaoPing == 1){
@@ -1002,12 +1054,25 @@ class BlindBoxTurntableGiftDrawWorld extends Model
      */
     private function getCachedXlhPeriodsNum($type="get",$num=1) {
         $cacheKey = "xlh_periods_num";
-        $xlh_periods_num = Cache::get($cacheKey) ?? 0;
-        if($type=="set"){
-            $xlh_periods_num = $xlh_periods_num + $num;
-            Cache::set($cacheKey, $xlh_periods_num, 0);
+        if ($type == "set") {
+            if ($this->redis) {
+                // 使用 Redis 原子操作
+                return $this->redis->incrBy($cacheKey, $num);
+            } else {
+                // 回退到缓存操作
+                $xlh_periods_num = Cache::get($cacheKey) ?? 0;
+                $xlh_periods_num = $xlh_periods_num + $num;
+                Cache::set($cacheKey, $xlh_periods_num, 0);
+                return $xlh_periods_num;
+            }
+        } else {
+            if ($this->redis) {
+                $value = $this->redis->get($cacheKey);
+                return $value !== false ? (int)$value : 0;
+            } else {
+                return Cache::get($cacheKey) ?? 0;
+            }
         }
-        return $xlh_periods_num;
     }
     /**
      * 获取缓存的巡乐会期数