调整 message_util 的发送text方法名，方便替换wcf.send_text。加入了虚拟群组管理功能；

db/group_virtual_redis.py

@@ -0,0 +1,57 @@
+import json
+import logging
+from typing import Dict, Any, List, Optional
+
+from db.connection import DBConnectionManager
+
+
+class GroupVirtualRedisDB:
+    """群组虚拟聊天Redis数据库操作类"""
+
+    def __init__(self, db_manager: DBConnectionManager):
+        self.db_manager = db_manager
+        self.redis_client = db_manager.get_redis_connection()
+        self.LOG = logging.getLogger("Plugin.GroupVirtual.Redis")
+        self.chat_groups_key = "group_virtual:chat_groups"
+
+    def load_chat_groups(self) -> Dict[str, Any]:
+        """从Redis加载虚拟聊天组数据"""
+        try:
+            chat_groups_json = self.redis_client.get(self.chat_groups_key)
+            if chat_groups_json:
+                return json.loads(chat_groups_json)
+            else:
+                # 如果Redis中没有数据，返回空结构
+                return {"chatGroups": []}
+        except Exception as e:
+            self.LOG.error(f"从Redis加载虚拟聊天组数据失败: {e}")
+            return {"chatGroups": []}
+
+    def save_chat_groups(self, chat_groups: Dict[str, Any]) -> bool:
+        """保存虚拟聊天组数据到Redis"""
+        try:
+            chat_groups_json = json.dumps(chat_groups, ensure_ascii=False)
+            self.redis_client.set(self.chat_groups_key, chat_groups_json)
+            return True
+        except Exception as e:
+            self.LOG.error(f"保存虚拟聊天组数据到Redis失败: {e}")
+            return False
+
+    def get_chat_group(self, chat_group_id: str) -> Optional[Dict[str, Any]]:
+        """获取指定ID的虚拟聊天组"""
+        chat_groups = self.load_chat_groups()
+        for group in chat_groups.get("chatGroups", []):
+            if group["id"] == chat_group_id:
+                return group
+        return None
+
+    def get_chat_groups_by_group_id(self, group_id: str) -> List[Dict[str, Any]]:
+        """获取包含指定群的所有虚拟聊天组"""
+        result = []
+        chat_groups = self.load_chat_groups()
+        for chat_group in chat_groups.get("chatGroups", []):
+            for group in chat_group.get("groups", []):
+                if group["id"] == group_id:
+                    result.append(chat_group)
+                    break
+        return result