红包状态修改

application/common/library/RedpacketLua.php

@@ -22,7 +22,7 @@ local currentTime = tonumber(ARGV[1])
 -- 检查红包是否存在
 local redpacketData = redis.call('HGETALL', redpacketKey)
 if not redpacketData or #redpacketData == 0 then
-    return {0, "红包不存在"}
+    return {0, "红包不存在", 0}
 end
 
 -- 将哈希数据转为table
@@ -38,27 +38,27 @@ local endTime = tonumber(redpacket['end_time'])
 
 if status == 0 then
     if currentTime < startTime then
-        return {0, "红包还未开始"}
+        return {0, "红包还未开始", 0}
     else
-        -- 更新状态为进行中
+        -- 更新状态为进行中(1)
         redis.call('HSET', redpacketKey, 'status', 1)
         status = 1
     end
 end
 
--- if status ~= 1 then
- --   return {0, "红包已结束"}
--- end
+if status ~= 1 then
+    return {0, "红包已结束", 0}
+end
 
--- if currentTime > endTime then
---    redis.call('HSET', redpacketKey, 'status', 2)
---    return {0, "红包已结束"}
--- end
+if currentTime > endTime then
+    redis.call('HSET', redpacketKey, 'status', 2)
+    return {0, "红包已结束", 0}
+end
 
 -- 检查是否已经抢过
 local hasGrabbed = redis.call('SISMEMBER', userSetKey, userId)
 if hasGrabbed == 1 then
-    return {0, "已经抢过该红包"}
+    return {0, "已经抢过该红包", 0}
 end
 
 -- 检查是否还有剩余
@@ -66,14 +66,17 @@ local leftAmount = tonumber(redpacket['left_amount'])
 local leftCount = tonumber(redpacket['left_count'])
 
 if leftCount <= 0 or leftAmount <= 0 then
-    return {0, "红包已抢完"}
+    return {0, "红包已抢完", 0}
 end
 
 -- 计算红包金额
 local amount = 0
+local isFinished = 0
+
 if leftCount == 1 then
     -- 最后一个红包，获得剩余所有金额
     amount = leftAmount
+    isFinished = 1
 else
     -- 随机算法：二倍均值法，保证公平性
     local maxAmount = leftAmount / leftCount * 2
@@ -82,6 +85,10 @@ else
     if amount > leftAmount then
         amount = leftAmount
     end
+    -- 检查是否是最后一个（由于浮点数计算可能有误差）
+    if leftCount == 1 or (leftAmount - amount) < 0.01 then
+        isFinished = 1
+    end
 end
 
 -- 更新红包数据
@@ -94,12 +101,14 @@ redis.call('HSET', redpacketKey, 'left_count', newLeftCount)
 -- 标记用户已抢
 redis.call('SADD', userSetKey, userId)
 
--- 如果抢完了，更新状态
-if newLeftCount == 0 then
+-- 如果抢完了，更新状态为已结束(2)
+if isFinished == 1 then
     redis.call('HSET', redpacketKey, 'status', 2)
 end
 
-return {1, tostring(amount)}
+return {1, tostring(amount), isFinished}
 LUA;
     }
+
+
 }

application/common/service/RedpacketService.php

@@ -32,6 +32,9 @@ class RedpacketService
      */
     public function grabWithResult($redpacketId, $userId)
     {
+        // 首先检查并更新红包状态
+        $this->checkAndUpdateRedpacketStatus($redpacketId);
+
         $redpacketModel = new Redpacket();
         $redpacket = $redpacketModel->getRedpacketInfo($redpacketId);
 
@@ -103,6 +106,7 @@ class RedpacketService
         }
 
         $amount = floatval($result[1]);
+        $isFinished = $result[2] == 1; // Lua脚本返回是否抢完
 
         // Lua脚本执行成功，记录到数据库
         Db::startTrans();
@@ -142,12 +146,20 @@ class RedpacketService
                 Db::rollback();
             }
 
-            // 更新红包剩余数量和金额
+            // 更新红包剩余数量和金额，如果抢完了更新状态
+            $updateData = [
+                'left_amount' => Db::raw('left_amount - ' . $amount),
+                'left_count' => Db::raw('left_count - 1'),
+                'updatetime' => time()
+            ];
+
+            if ($isFinished) {
+                $updateData['status'] = Redpacket::STATUS_FINISHED;
+            }
+
             Db::name('redpacket')
                 ->where('id', $redpacketId)
-                ->dec('left_amount', $amount)
-                ->dec('left_count', 1)
-                ->update();
+                ->update($updateData);
 
             Db::commit();
 
@@ -585,4 +597,67 @@ class RedpacketService
         }
         return true;
     }
+
+    /**
+     * 检查并更新红包状态
+     * 在抢红包前调用，确保状态正确
+     */
+    public function checkAndUpdateRedpacketStatus($redpacketId)
+    {
+        $redpacket = Db::name('redpacket')->where('id', $redpacketId)->find();
+        if (!$redpacket) {
+            return false;
+        }
+
+        $now = time();
+        $redis = Cache::store('redis')->handler();
+        $redpacketKey = "redpacket:{$redpacketId}";
+
+        // 如果红包状态为未开始(0)，但当前时间已超过开始时间，则更新为进行中(1)
+        if ($redpacket['status'] == Redpacket::STATUS_PENDING && $now >= $redpacket['start_time']) {
+            Db::name('redpacket')
+                ->where('id', $redpacketId)
+                ->update([
+                    'status' => Redpacket::STATUS_ACTIVE,
+                    'updatetime' => $now
+                ]);
+
+            // 更新Redis中的状态
+            $redis->hSet($redpacketKey, 'status', Redpacket::STATUS_ACTIVE);
+
+            return true;
+        }
+
+        // 如果红包状态为进行中(1)，但已抢完，则更新为已结束(2)
+        if ($redpacket['status'] == Redpacket::STATUS_ACTIVE && $redpacket['left_count'] <= 0) {
+            Db::name('redpacket')
+                ->where('id', $redpacketId)
+                ->update([
+                    'status' => Redpacket::STATUS_FINISHED,
+                    'updatetime' => $now
+                ]);
+
+            // 更新Redis中的状态
+            $redis->hSet($redpacketKey, 'status', Redpacket::STATUS_FINISHED);
+
+            return true;
+        }
+
+        // 如果红包状态为进行中(1)，但已超过结束时间，则更新为已结束(2)
+        if ($redpacket['status'] == Redpacket::STATUS_ACTIVE && $now > $redpacket['end_time']) {
+            Db::name('redpacket')
+                ->where('id', $redpacketId)
+                ->update([
+                    'status' => Redpacket::STATUS_FINISHED,
+                    'updatetime' => $now
+                ]);
+
+            // 更新Redis中的状态
+            $redis->hSet($redpacketKey, 'status', Redpacket::STATUS_FINISHED);
+
+            return true;
+        }
+
+        return false;
+    }
 }