feat(nickname): 删除昵称系统相关功能 (#2114)

删除了昵称系统的完整实现，包括：
- 移除 nickname.py 插件文件及其所有功能代码
- 从 FriendUser 和 GroupInfoUser 模型中删除 nickname 字段
- 移除相关的数据库配置
- 更新 GroupManager 中的操作者名称获取逻辑
- 简化平台处理的数据源代码

zhenxun/models/friend_user.py

@@ -1,6 +1,5 @@
 from tortoise import fields
 
-from zhenxun.configs.config import Config
 from zhenxun.services.db_context import Model
 
 
@@ -11,8 +10,6 @@ class FriendUser(Model):
     """用户id"""
     user_name = fields.CharField(max_length=255, default="", description="用户名称")
     """用户名称"""
-    nickname = fields.CharField(max_length=255, null=True, description="用户自定义昵称")
-    """私聊下自定义昵称"""
     platform = fields.CharField(255, null=True, description="平台")
     """平台"""
 
@@ -31,53 +28,6 @@ class FriendUser(Model):
             return user.user_name
         return ""
 
-    @classmethod
-    async def get_user_nickname(cls, user_id: str) -> str:
-        """获取用户昵称
-
-        参数:
-            user_id: 用户id
-        """
-        if user := await cls.get_or_none(user_id=user_id):
-            if user.nickname:
-                _tmp = ""
-                if black_word := Config.get_config("nickname", "BLACK_WORD"):
-                    for x in user.nickname:
-                        _tmp += "*" if x in black_word else x
-                return _tmp
-        return ""
-
-    @classmethod
-    async def set_user_nickname(
-        cls,
-        user_id: str,
-        nickname: str,
-        uname: str | None = None,
-        platform: str | None = None,
-    ):
-        """设置用户昵称
-
-        参数:
-            user_id: 用户id
-            nickname: 昵称
-            uname: 用户昵称
-            platform: 平台
-        """
-        defaults = {"nickname": nickname}
-        if uname is not None:
-            defaults["user_name"] = uname
-        if platform is not None:
-            defaults["platform"] = platform
-        await cls.update_or_create(
-            user_id=user_id,
-            defaults=defaults,
-        )
-
     @classmethod
     def _run_script(cls):
-        return [
-            "ALTER TABLE friend_users "
-            "ALTER COLUMN user_id TYPE character varying(255);",
-            "ALTER TABLE friend_users "
-            "ADD COLUMN platform character varying(255) default 'qq';",
-        ]
+        return ["ALTER TABLE friend_users DROP COLUMN nickname;"]