盲盒转盘修改

application/api/model/BlindBoxTurntableGiftDraw.php

@@ -7,9 +7,7 @@ use think\Log;
 use think\Model;
 use think\Db;
 use think\Session;
-//use think\cache\driver\Redis;
 use Redis;
-
 /*
  * 盲盒转盘优化后方法
  *
@@ -68,7 +66,6 @@ class BlindBoxTurntableGiftDraw extends Model
             $currentXlhPeriodsNum = $precomputeResult['data']['current_xlh_periods_num'];
             $xlhIsPiaoPing = $precomputeResult['data']['xlh_is_piao_ping'];
             $expectedCount = count(explode(',', $gift_user_ids)) * $num;
-
             if(count($precomputedResults) != $expectedCount){
                 // 记录错误到Redis
                 $this->recordDrawErrorToRedis($expectedCount, count($precomputedResults), $room_id, $user_id, $gift_bag_id, $num, $gift_user_ids, $precomputedResults);
@@ -186,7 +183,6 @@ class BlindBoxTurntableGiftDraw extends Model
         if ($user_waller['coin'] < $bag_data['gift_price'] * $num * count(explode(',', $gift_user_ids))) {
             return ['code' => 0, 'msg' => '用户金币不足', 'data' => null];
         }
-
         // 4. 获取巡乐会配置（使用缓存）
         $xlh_ext = $this->getCachedXlhConfig();
 
@@ -236,7 +232,7 @@ class BlindBoxTurntableGiftDraw extends Model
 
         // 4. 处理奖池重置逻辑
         $needGiftNum = count($toarray) * $num;
-        $remaining_available_gifts = [];
+        $remaining_available_gifts=[];
         if ($totalRemaining - $needGiftNum <= 0) {
             $remaining_available_gifts = $availableGifts;
             $availableGifts = $this->resetPoolAndReload($bag_data['id'], $room_id, $periods + 1, 0);
@@ -244,7 +240,7 @@ class BlindBoxTurntableGiftDraw extends Model
                 throw new \Exception('重置奖池后仍无可用礼物');
             }
             $totalDrawTimes = 0;
-            // 不要修改$num的值，保持原始请求数量
+            $num = abs($totalRemaining - $num);
         }
 
         // 5. 使用Alias Method预计算抽奖结果（O(1)复杂度）
@@ -293,47 +289,26 @@ class BlindBoxTurntableGiftDraw extends Model
         $roomId,
         $remaining_available_gifts
     ) {
-        // 计算剩余礼物总数量
+        //计算$remaining_available_gifts 里面  remaining_number 的累加
         $remaining_num = 0;
-        foreach ($remaining_available_gifts as $value) {
+        foreach ($remaining_available_gifts as $key=>$value) {
             $remaining_num += $value['remaining_number'];
         }
-
+        if($remaining_num > $num){
-        // 如果剩余礼物数量大于请求数量，只使用部分剩余礼物
+            $availableGifts = $remaining_available_gifts;
-        if($remaining_num > count($toarray) * $num){
+            $remaining_available_gifts = [];
-            // 重新构建剩余礼物数组，只取需要的数量
-            $temp_remaining = [];
-            $need_total = count($toarray) * $num;
-            $current_total = 0;
-
-            foreach ($remaining_available_gifts as $key => $value) {
-                if ($current_total >= $need_total) break;
-
-                $can_take = min($value['remaining_number'], $need_total - $current_total);
-                $temp_remaining[] = [
-                    'id' => $value['id'],
-                    'quantity' => $value['quantity'],
-                    'remaining_number' => $can_take,
-                    'weight' => $value['weight'],
-                    'foreign_id' => $value['foreign_id'],
-                    'gift_bag_id' => $value['gift_bag_id'],
-                    'gift_bag_detail_id' => $value['gift_bag_detail_id']
-                ];
-                $current_total += $can_take;
-            }
-            $remaining_available_gifts = $temp_remaining;
         }
-
         $precomputedResults = [];
         $precomputedResultss = [];
+        $giftBagIdToGift = [];
 
         // 构建Alias表
         $aliasTable = $this->buildAliasTable($availableGifts);
-
+        $remaining_num = 0;
         foreach ($toarray as $giftUserId) {
-            // 处理剩余礼物
             if (!empty($remaining_available_gifts)) {
-                foreach ($remaining_available_gifts as $key => $value) {
+                foreach ($remaining_available_gifts as $key=>$value) {
+                    $remaining_num += $value['remaining_number'];
                     $gift = $giftInfoMap[$value['foreign_id']] ?? null;
                     for ($j = 0; $j < $value['remaining_number']; $j++) {
                         $precomputedResults[] = [
@@ -346,24 +321,27 @@ class BlindBoxTurntableGiftDraw extends Model
                         ];
                         $totalDrawTimes++;
                         $currentXlhPeriodsNum++;
-                    }
-                }
-                $remaining_available_gifts = []; // 清空剩余礼物
-                $numm = $num; // 使用原始请求数量
-            } else {
-                $numm = $num; // 使用原始请求数量
-            }
 
-            // 正常抽奖逻辑
+                    }
+                    unset($remaining_available_gifts[$key]);
+                }
+                $numm = $num;
+            }else{
+                $numm = $num+$remaining_num;
+            }
             for ($i = 0; $i < $numm; $i++) {
-                // 使用Alias Method选择礼物
+                // 使用Alias Method选择礼物（O(1)复杂度）
                 $selectedGift = $this->selectGiftWithAliasMethod($aliasTable);
                 if (!$selectedGift) {
                     return [];
                 }
 
+                // 获取礼物信息（从预加载的map中获取，避免查询）
                 $giftId = $selectedGift['foreign_id'];
                 $gift = $giftInfoMap[$giftId] ?? null;
+//                if (!$gift) {
+//                    continue;
+//                }
 
                 $precomputedResults[] = [
                     'gift_user_id' => $giftUserId,
@@ -385,8 +363,18 @@ class BlindBoxTurntableGiftDraw extends Model
                 $totalDrawTimes++;
                 $currentXlhPeriodsNum++;
 
-                // 更新Alias表
+                // 更新Alias表（模拟库存减少）
                 $this->updateAliasTable($aliasTable, $selectedGift['id']);
+
+                // 检查巡乐会状态
+                if (!empty($xlhExt) && $xlhExt['inlet_bag_id'] == $giftBagId) {
+                    if ($currentXlhPeriodsNum == $xlhExt['open_condition']['waiting_start_num']) {
+                        $xlh_is_piao_ping = 1;
+                    }
+                    if ($currentXlhPeriodsNum == $xlhExt['open_condition']['start_num']) {
+                        $xlh_is_piao_ping = 2;
+                    }
+                }
             }
         }
 
@@ -714,7 +702,7 @@ class BlindBoxTurntableGiftDraw extends Model
         // 批量发送礼物
         foreach ($giftUserCounts as $userGift) {
             if($userGift['count'] > 9){ //防止礼物超发，礼物超10个则不发送
-                 continue;
+                continue;
             }
             $giveGiftExt = [
                 'gift_id' => $userGift['gift_id'],
@@ -1571,7 +1559,6 @@ class BlindBoxTurntableGiftDraw extends Model
 
         return ['code' => 1, 'msg' => '成功', 'data' => $result_list];
     }
-
     //错误日志记录-------------------------------------------------------
     /**
      * 记录抽奖错误日志到Redis