直播实际开始时间

fs-live-app/src/main/java/com/fs/live/websocket/service/WebSocketServer.java

@@ -83,7 +83,7 @@ public class WebSocketServer {
     private final ILiveVideoService liveVideoService = SpringUtils.getBean(ILiveVideoService.class);
     private final ILiveCompletionPointsRecordService completionPointsRecordService = SpringUtils.getBean(ILiveCompletionPointsRecordService.class);
     private static Random random = new Random();
-    
+
     // Redis key 前缀：用户进入直播间时间
     private static final String USER_ENTRY_TIME_KEY = "live:user:entry:time:%s:%s"; // liveId:userId
 
@@ -135,7 +135,7 @@ public class WebSocketServer {
 
             LiveWatchUser liveWatchUserVO = liveWatchUserService.join(fsUser,liveId, userId, location);
             room.put(userId, session);
-            
+
             // 存储用户进入直播间的时间到 Redis（用于计算在线时长）
             // 如果已经存在进入时间，说明是重连，不应该覆盖，保持原来的进入时间
             String entryTimeKey = String.format(USER_ENTRY_TIME_KEY, liveId, userId);
@@ -145,7 +145,7 @@ public class WebSocketServer {
                 redisCache.setCacheObject(entryTimeKey, System.currentTimeMillis(), 24, TimeUnit.HOURS);
             }
             // 如果是重连，不覆盖进入时间，保持原来的进入时间以便正确计算总时长
-            
+
             // 直播间浏览量 +1
             redisCache.incr(PAGE_VIEWS_KEY + liveId, 1);
 
@@ -353,7 +353,7 @@ public class WebSocketServer {
                     long watchUserId = (long) userProperties.get("userId");
 
 
-                    
+
                     if (msg.getData() != null && !msg.getData().isEmpty()) {
                         try {
                             Long currentDuration = Long.parseLong(msg.getData());
@@ -371,18 +371,21 @@ public class WebSocketServer {
                                 isLiveStarted = true;
                             } else if (currentLive.getStartTime() != null) {
                                 // 判断当前时间是否已超过开播时间
-                                LocalDateTime now = java.time.LocalDateTime.now();
+                                LocalDateTime now = LocalDateTime.now();
                                 isLiveStarted = now.isAfter(currentLive.getStartTime()) || now.isEqual(currentLive.getStartTime());
                             }
-                            
-                            if (!isLiveStarted) {
-                                break;
-                            }
 
-                            
                             // 使用Hash结构存储：一个直播间一个Hash，包含所有用户的时长
                             String hashKey = "live:watch:duration:hash:" + liveId;
                             String userIdField = String.valueOf(watchUserId);
+
+                            if (!isLiveStarted) {
+                                redisCache.hashDelete(hashKey, userIdField);
+                                log.debug("[心跳-观看时长] 直播未开始，清除预播时长, liveId={}, userId={}", liveId, watchUserId);
+                                break;
+                            }
+
+                            // 直播已开始，记录观看时长
                             // 获取现有时长
                             Object existingDuration = redisCache.hashGet(hashKey, userIdField);
                             // 只有当新的时长更大时才更新
@@ -396,11 +399,11 @@ public class WebSocketServer {
 
                             }
                         } catch (Exception e) {
-                            log.error("[心跳-观看时长] 更新失败, liveId={}, userId={}, data={}", 
+                            log.error("[心跳-观看时长] 更新失败, liveId={}, userId={}, data={}",
                                     liveId, watchUserId, msg.getData(), e);
                         }
                     }
-                    
+
                     sendMessage(session, JSONObject.toJSONString(R.ok().put("data", msg)));
                     break;
                 case "sendMsg":
@@ -741,7 +744,7 @@ public class WebSocketServer {
      */
     public void broadcastWebMessage(Long liveId, String message) {
         ConcurrentHashMap<Long, Session> room = getRoom(liveId);
-        
+
         if (room.isEmpty()) {
             return;
         }
@@ -867,7 +870,7 @@ public class WebSocketServer {
         for (Map.Entry<Long, ConcurrentHashMap<Long, Session>> roomEntry : rooms.entrySet()) {
             Long liveId = roomEntry.getKey();
             ConcurrentHashMap<Long, Session> room = roomEntry.getValue();
-            
+
             // 如果房间为空，跳过
             if (room.isEmpty()) {
                 continue;
@@ -879,12 +882,12 @@ public class WebSocketServer {
             for (Map.Entry<Long, Session> userEntry : room.entrySet()) {
                 Long userId = userEntry.getKey();
                 Session session = userEntry.getValue();
-                
+
                 if (session == null) {
                     toRemove.add(userId);
                     continue;
                 }
-                
+
                 Long lastHeartbeat = heartbeatCache.get(session.getId());
                 if (lastHeartbeat != null && (currentTime - lastHeartbeat) > HEARTBEAT_TIMEOUT) {
                     toRemove.add(userId);
@@ -954,11 +957,11 @@ public class WebSocketServer {
      */
     public void broadcastLikeMessage(Long liveId, String message) {
         ConcurrentHashMap<Long, Session> room = getRoom(liveId);
-        
+
         if (room.isEmpty()) {
             return;
         }
-        
+
         // 使用快照遍历，避免并发修改
         for (Map.Entry<Long, Session> entry : room.entrySet()) {
             Session session = entry.getValue();
@@ -1119,31 +1122,31 @@ public class WebSocketServer {
             // 从 Redis 获取用户进入时间
             String entryTimeKey = String.format(USER_ENTRY_TIME_KEY, liveId, userId);
             Long entryTime = redisCache.getCacheObject(entryTimeKey);
-            
+
             if (entryTime == null) {
                 // 如果没有进入时间记录，可能是旧数据，跳过
                 return;
             }
-            
+
             long currentTimeMillis = System.currentTimeMillis();
             Date now = new Date();
-            
+
             // 计算在线时长（秒）
             long durationSeconds = (currentTimeMillis - entryTime) / 1000;
-            
+
             if (durationSeconds <= 0) {
                 return;
             }
-            
+
             // 获取当前直播/回放状态
             Map<String, Integer> flagMap = liveWatchUserService.getLiveFlagWithCache(liveId);
             Integer currentLiveFlag = flagMap.get("liveFlag");
             Integer currentReplayFlag = flagMap.get("replayFlag");
-            
+
             // 查询用户记录
             LiveWatchUserEntry liveWatchUser = liveWatchUserService.selectLiveWatchAndCompanyUserByFlag(
                     liveId, userId, currentLiveFlag, currentReplayFlag);
-            
+
             if (liveWatchUser != null) {
                 // 累加在线时长
                 Long onlineSeconds = liveWatchUser.getOnlineSeconds();
@@ -1152,7 +1155,7 @@ public class WebSocketServer {
                 }
                 liveWatchUser.setOnlineSeconds(onlineSeconds + durationSeconds);
                 liveWatchUser.setUpdateTime(now);
-                
+
                 // 更新数据库
                 liveWatchUserService.updateLiveWatchUserEntry(liveWatchUser);
                 // 如果 LiveWatchUserEntry 存在，并且当前是直播状态（liveFlag = 1），更新 LiveWatchLog
@@ -1164,15 +1167,15 @@ public class WebSocketServer {
 //                            liveWatchUser.getOnlineSeconds());
 //                }
             }
-            
+
             // 删除 Redis 中的进入时间记录
             redisCache.deleteObject(entryTimeKey);
         } catch (Exception e) {
-            log.error("更新用户在线时长异常：liveId={}, userId={}, error={}", 
+            log.error("更新用户在线时长异常：liveId={}, userId={}, error={}",
                     liveId, userId, e.getMessage(), e);
         }
     }
-    
+
     /**
      * 在连接时更新 LiveWatchLog 的 logType
      * 如果 logType 类型不是 2，修改 logType 类型为 1（看课中）
@@ -1183,7 +1186,7 @@ public class WebSocketServer {
             queryLog.setLiveId(liveId);
             queryLog.setQwUserId(String.valueOf(qwUserId));
             queryLog.setExternalContactId(externalContactId);
-            
+
             List<LiveWatchLog> logs = liveWatchLogService.selectLiveWatchLogList(queryLog);
             if (logs != null && !logs.isEmpty()) {
                 for (LiveWatchLog log : logs) {
@@ -1195,11 +1198,11 @@ public class WebSocketServer {
                 }
             }
         } catch (Exception e) {
-            log.error("更新 LiveWatchLog logType 异常（连接时）：liveId={}, userId={}, error={}", 
+            log.error("更新 LiveWatchLog logType 异常（连接时）：liveId={}, userId={}, error={}",
                     liveId, userId, e.getMessage(), e);
         }
     }
-    
+
     /**
      * 实时更新用户看课状态（在心跳时调用）
      * 在直播期间实时更新用户的看课状态，而不是等到关闭 WebSocket 或清理无效会话时才更新
@@ -1212,36 +1215,36 @@ public class WebSocketServer {
             // 获取当前直播/回放状态
             Map<String, Integer> flagMap = liveWatchUserService.getLiveFlagWithCache(liveId);
             Integer currentLiveFlag = flagMap.get("liveFlag");
-            
+
             // 只在直播状态（liveFlag = 1）时更新
             if (currentLiveFlag == null || currentLiveFlag != 1) {
                 return;
             }
-            
+
             // 获取用户的 companyId 和 companyUserId（使用带缓存的查询方法）
             LiveUserFirstEntry liveUserFirstEntry = liveUserFirstEntryService.selectEntityByLiveIdUserIdWithCache(liveId, userId);
             if (liveUserFirstEntry == null) {
                 return;
             }
-            
+
             Long companyId = liveUserFirstEntry.getCompanyId();
             Long companyUserId = liveUserFirstEntry.getCompanyUserId();
-            
+
             // 如果 companyId 和 companyUserId 有效，则更新看课状态
             if (companyId != null && companyId > 0 && companyUserId != null && companyUserId > 0) {
                 // 检查是否达到关键观看时长节点，在这些节点实时更新
                 // 关键节点：3分钟（180秒）、20分钟（1200秒）、30分钟（1800秒）
                 boolean isKeyDuration = (watchDuration == 180 || watchDuration == 1200 || watchDuration == 1800) ||
                                        (watchDuration > 180 && watchDuration % 60 == 0); // 每分钟更新一次
-                
+
                 // 使用 Redis 缓存控制更新频率，避免频繁更新数据库
                 // 策略：在关键节点立即更新，其他时候每60秒更新一次
                 String updateLockKey = "live:watch:log:update:lock:" + liveId + ":" + userId;
                 String lastUpdateKey = "live:watch:log:last:duration:" + liveId + ":" + userId;
-                
+
                 // 获取上次更新的时长
                 Long lastUpdateDuration = redisCache.getCacheObject(lastUpdateKey);
-                
+
                 // 如果达到关键节点，或者距离上次更新已超过60秒，则更新
                 boolean shouldUpdate = false;
                 if (isKeyDuration) {
@@ -1251,11 +1254,11 @@ public class WebSocketServer {
                     // 每60秒更新一次
                     shouldUpdate = true;
                 }
-                
+
                 if (shouldUpdate) {
                     // 使用分布式锁，避免并发更新（锁超时时间10秒）
                     Boolean canUpdate = redisCache.setIfAbsent(updateLockKey, "1", 10, TimeUnit.SECONDS);
-                    
+
                     if (Boolean.TRUE.equals(canUpdate)) {
                         // 异步更新，避免阻塞心跳处理
                         CompletableFuture.runAsync(() -> {
@@ -1264,7 +1267,7 @@ public class WebSocketServer {
                                 // 更新上次更新的时长
                                 redisCache.setCacheObject(lastUpdateKey, watchDuration, 2, TimeUnit.HOURS);
                             } catch (Exception e) {
-                                log.error("实时更新看课状态异常：liveId={}, userId={}, error={}", 
+                                log.error("实时更新看课状态异常：liveId={}, userId={}, error={}",
                                         liveId, userId, e.getMessage(), e);
                             } finally {
                                 // 释放锁
@@ -1275,11 +1278,11 @@ public class WebSocketServer {
                 }
             }
         } catch (Exception e) {
-            log.error("实时更新看课状态异常：liveId={}, userId={}, error={}", 
+            log.error("实时更新看课状态异常：liveId={}, userId={}, error={}",
                     liveId, userId, e.getMessage(), e);
         }
     }
-    
+
     /**
      * 根据在线时长更新 LiveWatchLog 的 logType
      * @param liveId 直播间ID
@@ -1288,7 +1291,7 @@ public class WebSocketServer {
      * @param companyUserId 销售ID
      * @param onlineSeconds 在线时长（秒）
      */
-    private void updateLiveWatchLogTypeByDuration(Long liveId, Long userId, Long companyId, 
+    private void updateLiveWatchLogTypeByDuration(Long liveId, Long userId, Long companyId,
                                                    Long companyUserId, Long onlineSeconds) {
         try {
             // 获取直播视频总时长（videoType = 1 的视频，使用带缓存的查询方法）
@@ -1300,13 +1303,13 @@ public class WebSocketServer {
                         .mapToLong(LiveVideo::getDuration)
                         .sum();
             }
-            
+
             // 查询 LiveWatchLog
             LiveWatchLog queryLog = new LiveWatchLog();
             queryLog.setLiveId(liveId);
             queryLog.setCompanyId(companyId);
             queryLog.setCompanyUserId(companyUserId);
-            
+
             List<LiveWatchLog> logs = liveWatchLogService.selectLiveWatchLogList(queryLog);
             if (logs == null || logs.isEmpty()) {
                 return;
@@ -1315,7 +1318,7 @@ public class WebSocketServer {
             for (LiveWatchLog log : logs) {
                 boolean needUpdate = false;
                 Integer newLogType = log.getLogType();
-                
+
                 // ① 如果在线时长 <= 3分钟，修改 logType 为 4（看课中断）
                 if (onlineSeconds <= 180) { // 3分钟 = 180秒
                     newLogType = 4;
@@ -1333,7 +1336,7 @@ public class WebSocketServer {
                     log.setFinishTime(now);
                     needUpdate = true;
                 }
-                
+
                 // 如果 logType 已经是 2（完课），不再更新
                 if (needUpdate && (log.getLogType() == null || log.getLogType() != 2)) {
                     log.setLogType(newLogType);
@@ -1341,7 +1344,7 @@ public class WebSocketServer {
                 }
             }
         } catch (Exception e) {
-            log.error("根据在线时长更新 LiveWatchLog logType 异常：liveId={}, userId={}, error={}", 
+            log.error("根据在线时长更新 LiveWatchLog logType 异常：liveId={}, userId={}, error={}",
                     liveId, userId, e.getMessage(), e);
         }
     }