领取奖励新增锁

rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/SpinsTaskReceiveRewardExe.java

@@ -1,6 +1,7 @@
 package com.red.circle.other.app.command;
 
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.red.circle.component.redis.service.RedisService;
 import com.red.circle.other.app.dto.clientobject.SpinsTaskRewardCO;
 import com.red.circle.other.app.dto.cmd.SpinsTaskReceiveRewardCmd;
 import com.red.circle.other.infra.database.rds.entity.task.SpinsTaskConfig;
@@ -13,6 +14,7 @@ import com.red.circle.other.inner.endpoint.activity.LotteryTicketClient;
 import com.red.circle.tool.core.date.TimestampUtils;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -20,6 +22,7 @@ import java.time.LocalDate;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
 
 /**
  * 领取任务奖励执行器
@@ -36,6 +39,10 @@ public class SpinsTaskReceiveRewardExe {
   private final SpinsUserTaskProgressDAO spinsUserTaskProgressDAO;
   private final SpinsUserTaskRecordDAO spinsUserTaskRecordDAO;
   private final LotteryTicketClient lotteryTicketClient;
+  private final RedisService redisService;
+
+  private static final String LOCK_KEY_PREFIX = "spins:task:receive:lock:";
+  private static final long LOCK_EXPIRE_TIME = 10; // 锁过期时间10秒
 
   /**
    * 执行领取任务奖励
@@ -48,6 +55,36 @@ public class SpinsTaskReceiveRewardExe {
     Long userId = cmd.getReqUserId();
     String taskCode = cmd.getTaskCode();
 
+    // 构建分布式锁key
+    String lockKey = LOCK_KEY_PREFIX + userId + ":" + taskCode;
+
+    // 尝试获取锁
+    boolean lockSuccess = redisService.setIfAbsent(lockKey, String.valueOf(System.currentTimeMillis()),
+            LOCK_EXPIRE_TIME, TimeUnit.SECONDS);
+
+    if (!lockSuccess) {
+      log.warn("领取任务奖励请求过于频繁，请稍后再试, userId={}, taskCode={}", userId, taskCode);
+      throw new RuntimeException("The request is too frequent. Please try again later");
+    }
+
+    try {
+      return executeReceiveReward(userId, taskCode);
+    } finally {
+      // 释放锁
+      redisService.delete(lockKey);
+    }
+  }
+
+  /**
+   * 执行领取任务奖励的核心逻辑
+   */
+  private SpinsTaskRewardCO executeReceiveReward(Long userId, String taskCode) {
+    try {
+      Thread.sleep(1000L);
+    } catch (InterruptedException e) {
+      throw new RuntimeException(e);
+    }
+
     // 1. 查询任务配置
     List<SpinsTaskConfig> spinsTaskConfigs = spinsTaskConfigDAO.selectList(
         new LambdaQueryWrapper<SpinsTaskConfig>()