mirror of
https://github.com/Zippland/Bubbles.git
synced 2026-01-19 01:21:15 +08:00
461 lines
20 KiB
Python
461 lines
20 KiB
Python
# -*- coding: utf-8 -*-
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import logging
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import time
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import re
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from collections import deque
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# from threading import Lock # 不再需要锁,使用SQLite的事务机制
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import sqlite3 # 添加sqlite3模块
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import os # 用于处理文件路径
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from function.func_xml_process import XmlProcessor # 导入XmlProcessor
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class MessageSummary:
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"""消息总结功能类 (使用SQLite持久化)
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用于记录、管理和生成聊天历史消息的总结
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"""
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def __init__(self, max_history=200, db_path="data/message_history.db"): # 默认max_history 改为 200
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"""初始化消息总结功能
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Args:
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max_history: 每个聊天保存的最大消息数量
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db_path: SQLite数据库文件路径
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"""
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self.LOG = logging.getLogger("MessageSummary")
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self.max_history = max_history # 使用传入的 max_history
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self.db_path = db_path
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# 实例化XML处理器用于提取引用消息
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self.xml_processor = XmlProcessor(self.LOG)
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try:
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db_dir = os.path.dirname(self.db_path)
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if db_dir and not os.path.exists(db_dir):
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os.makedirs(db_dir)
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self.LOG.info(f"创建数据库目录: {db_dir}")
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self.conn = sqlite3.connect(self.db_path, check_same_thread=False)
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self.cursor = self.conn.cursor()
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self.LOG.info(f"已连接到 SQLite 数据库: {self.db_path}")
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# 检查并添加 sender_wxid 列 (如果不存在)
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self.cursor.execute("PRAGMA table_info(messages)")
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columns = [col[1] for col in self.cursor.fetchall()]
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if 'sender_wxid' not in columns:
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try:
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self.cursor.execute("ALTER TABLE messages ADD COLUMN sender_wxid TEXT")
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self.conn.commit()
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self.LOG.info("已向 messages 表添加 sender_wxid 列")
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except sqlite3.OperationalError as e:
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# 如果表是空的,直接删除重建可能更简单
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self.LOG.warning(f"添加 sender_wxid 列失败 ({e}),可能是因为表非空且有主键?尝试重建表。")
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# 注意:这会丢失现有数据!
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self.cursor.execute("DROP TABLE IF EXISTS messages")
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self.conn.commit()
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self.cursor.execute("""
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CREATE TABLE IF NOT EXISTS messages (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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chat_id TEXT NOT NULL,
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sender TEXT NOT NULL,
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sender_wxid TEXT, -- 新增: 存储发送者wxid
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content TEXT NOT NULL,
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timestamp_float REAL NOT NULL,
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timestamp_str TEXT NOT NULL -- 存储完整时间格式 YYYY-MM-DD HH:MM:SS
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)
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""")
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self.cursor.execute("""
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CREATE INDEX IF NOT EXISTS idx_chat_time ON messages (chat_id, timestamp_float)
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""")
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# 新增 sender_wxid 索引 (可选,如果经常需要按wxid查询)
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self.cursor.execute("""
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CREATE INDEX IF NOT EXISTS idx_sender_wxid ON messages (sender_wxid)
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""")
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self.conn.commit() # 提交更改
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self.LOG.info("消息表已准备就绪")
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except sqlite3.Error as e:
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self.LOG.error(f"数据库初始化失败: {e}")
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raise ConnectionError(f"无法连接或初始化数据库: {e}") from e
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except OSError as e:
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self.LOG.error(f"创建数据库目录失败: {e}")
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raise OSError(f"无法创建数据库目录: {e}") from e
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def close_db(self):
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"""关闭数据库连接"""
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if hasattr(self, 'conn') and self.conn:
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try:
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self.conn.commit() # 确保所有更改都已保存
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self.conn.close()
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self.LOG.info("数据库连接已关闭")
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except sqlite3.Error as e:
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self.LOG.error(f"关闭数据库连接时出错: {e}")
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def record_message(self, chat_id, sender_name, sender_wxid, content, timestamp=None):
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"""记录单条消息到数据库
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Args:
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chat_id: 聊天ID(群ID或用户ID)
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sender_name: 发送者名称
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sender_wxid: 发送者wxid
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content: 消息内容
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timestamp: 外部提供的时间字符串(优先使用),否则生成
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"""
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try:
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current_time_float = time.time()
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if not timestamp:
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# 默认使用完整时间格式
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timestamp_str = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(current_time_float))
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else:
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# 如果传入的时间戳只有时分,转换为完整格式
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if len(timestamp) <= 5: # 如果格式是 "HH:MM"
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today = time.strftime("%Y-%m-%d", time.localtime(current_time_float))
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timestamp_str = f"{today} {timestamp}:00" # 补上秒
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elif len(timestamp) == 8 and timestamp.count(':') == 2: # 如果格式是 "HH:MM:SS"
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today = time.strftime("%Y-%m-%d", time.localtime(current_time_float))
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timestamp_str = f"{today} {timestamp}"
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elif len(timestamp) == 16 and timestamp.count('-') == 2 and timestamp.count(':') == 1: # "YYYY-MM-DD HH:MM"
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timestamp_str = f"{timestamp}:00" # 补上秒
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else:
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timestamp_str = timestamp # 假设是完整格式
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# 插入新消息,包含 sender_wxid
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self.cursor.execute("""
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INSERT INTO messages (chat_id, sender, sender_wxid, content, timestamp_float, timestamp_str)
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VALUES (?, ?, ?, ?, ?, ?)
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""", (chat_id, sender_name, sender_wxid, content, current_time_float, timestamp_str))
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# 删除超出 max_history 的旧消息
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self.cursor.execute("""
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DELETE FROM messages
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WHERE chat_id = ? AND id NOT IN (
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SELECT id
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FROM messages
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WHERE chat_id = ?
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ORDER BY timestamp_float DESC
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LIMIT ?
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)
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""", (chat_id, chat_id, self.max_history))
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self.conn.commit() # 提交事务
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except sqlite3.Error as e:
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self.LOG.error(f"记录消息到数据库时出错: {e}")
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try:
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self.conn.rollback()
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except:
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pass
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def clear_message_history(self, chat_id):
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"""清除指定聊天的消息历史记录
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Args:
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chat_id: 聊天ID(群ID或用户ID)
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Returns:
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bool: 是否成功清除
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"""
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try:
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self.cursor.execute("DELETE FROM messages WHERE chat_id = ?", (chat_id,))
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rows_deleted = self.cursor.rowcount
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self.conn.commit()
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self.LOG.info(f"为 chat_id={chat_id} 清除了 {rows_deleted} 条历史消息")
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return True
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except sqlite3.Error as e:
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self.LOG.error(f"清除消息历史时出错 (chat_id={chat_id}): {e}")
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return False
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def get_message_count(self, chat_id):
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"""获取指定聊天的消息数量
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Args:
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chat_id: 聊天ID(群ID或用户ID)
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Returns:
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int: 消息数量
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"""
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try:
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self.cursor.execute("SELECT COUNT(*) FROM messages WHERE chat_id = ?", (chat_id,))
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result = self.cursor.fetchone()
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return result[0] if result else 0
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except sqlite3.Error as e:
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self.LOG.error(f"获取消息数量时出错 (chat_id={chat_id}): {e}")
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return 0
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def get_messages(self, chat_id):
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"""获取指定聊天的所有消息 (按时间升序),包含发送者wxid和完整时间戳
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Args:
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chat_id: 聊天ID(群ID或用户ID)
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Returns:
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list: 消息列表,格式为 [{"sender": ..., "sender_wxid": ..., "content": ..., "time": ...}]
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"""
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messages = []
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try:
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# 查询需要的字段,包括 sender_wxid 和 timestamp_str
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self.cursor.execute("""
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SELECT sender, sender_wxid, content, timestamp_str
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FROM messages
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WHERE chat_id = ?
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ORDER BY timestamp_float ASC
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LIMIT ?
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""", (chat_id, self.max_history))
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rows = self.cursor.fetchall()
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# 将数据库行转换为期望的字典列表格式
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for row in rows:
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messages.append({
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"sender": row[0],
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"sender_wxid": row[1], # 添加 sender_wxid
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"content": row[2],
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"time": row[3] # 使用存储的完整 timestamp_str
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})
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except sqlite3.Error as e:
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self.LOG.error(f"获取消息列表时出错 (chat_id={chat_id}): {e}")
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return messages
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def _basic_summarize(self, messages):
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"""基本的消息总结逻辑,不使用AI
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Args:
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messages: 消息列表 (格式同 get_messages 返回值)
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Returns:
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str: 消息总结
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"""
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if not messages:
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return "没有可以总结的历史消息。"
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res = ["以下是近期聊天记录摘要:\n"]
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for msg in messages:
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# 使用新的时间格式和发送者
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res.append(f"[{msg['time']}]{msg['sender']}: {msg['content']}")
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return "\n".join(res)
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def _ai_summarize(self, messages, chat_model, chat_id):
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"""使用AI模型生成消息总结
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Args:
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messages: 消息列表 (格式同 get_messages 返回值)
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chat_model: AI聊天模型对象
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chat_id: 聊天ID
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Returns:
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str: 消息总结
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"""
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if not messages:
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return "没有可以总结的历史消息。"
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formatted_msgs = []
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for msg in messages:
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# 使用新的时间格式和发送者
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formatted_msgs.append(f"[{msg['time']}]{msg['sender']}: {msg['content']}")
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# 构建提示词 ... (保持不变)
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prompt = (
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"你是泡泡,请仔细阅读并分析以下聊天记录,生成一简要的、结构清晰且抓住重点的摘要。\n\n"
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"摘要格式要求:\n"
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"1. 使用数字编号列表 (例如 1., 2., 3.) 来组织内容,每个编号代表一个独立的主要讨论主题,不要超过3个主题。\n"
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"2. 在每个编号的主题下,写成一段不带格式的文字,每个主题单独成段并空行,需包含以下内容:\n"
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" - 这个讨论的核心的简要描述。\n"
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" - 该讨论的关键成员 (用括号 [用户名] 格式) 和他们的关键发言内容、成员之间的关键互动。\n"
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" - 该讨论的讨论结果。\n"
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"3. 总结需客观、精炼、简短精悍,直接呈现最核心且精简的事实,尽量不要添加额外的评论或分析,不要总结有关自己的事情。\n"
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"4. 不要暴露出格式,不要说核心是xxx参与者是xxx结果是xxx,自然一点。\n\n"
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"聊天记录如下:\n" + "\n".join(formatted_msgs)
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)
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try:
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# 调用AI部分保持不变,但现在AI模型内部应使用数据库历史记录
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# 确保调用 get_answer 时,AI模型实例已经关联了 MessageSummary
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summary = chat_model.get_answer(prompt, f"summary_{chat_id}") # 使用特殊 wxid 避免冲突
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if not summary:
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return self._basic_summarize(messages)
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return summary
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except Exception as e:
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self.LOG.error(f"使用AI生成总结失败: {e}")
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return self._basic_summarize(messages)
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def summarize_messages(self, chat_id, chat_model=None):
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"""生成消息总结
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Args:
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chat_id: 聊天ID(群ID或用户ID)
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chat_model: AI聊天模型对象,如果为None则使用基础总结
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Returns:
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str: 消息总结
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"""
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messages = self.get_messages(chat_id)
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if not messages:
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return "没有可以总结的历史消息。"
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if chat_model:
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# 检查 chat_model 是否具有 get_answer 方法并且已经初始化了 message_summary
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if hasattr(chat_model, 'get_answer') and hasattr(chat_model, 'message_summary') and chat_model.message_summary:
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return self._ai_summarize(messages, chat_model, chat_id)
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else:
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self.LOG.warning(f"提供的 chat_model ({type(chat_model)}) 不支持基于数据库历史的总结或未正确初始化。将使用基础总结。")
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return self._basic_summarize(messages)
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else:
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return self._basic_summarize(messages)
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def process_message_from_wxmsg(self, msg, wcf, all_contacts, bot_wxid=None):
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"""从微信消息对象中处理并记录与总结相关的文本消息
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记录所有群聊和私聊的文本(1)和App/卡片(49)消息。
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使用 XmlProcessor 提取用户实际输入的新内容或卡片标题。
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Args:
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msg: 微信消息对象(WxMsg)
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wcf: 微信接口对象
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all_contacts: 所有联系人字典
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bot_wxid: 机器人自己的wxid (必须提供以正确记录 sender_wxid)
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"""
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if msg.type != 0x01 and msg.type != 49:
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return
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chat_id = msg.roomid if msg.from_group() else msg.sender
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if not chat_id:
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self.LOG.warning(f"无法确定消息的chat_id (msg.id={msg.id}), 跳过记录")
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return
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sender_wxid = msg.sender
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if not sender_wxid:
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# 理论上不应发生,但做个防护
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self.LOG.error(f"消息 (id={msg.id}) 缺少 sender wxid,无法记录!")
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return
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# 确定发送者名称 (逻辑不变)
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sender_name = ""
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if msg.from_group():
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sender_name = wcf.get_alias_in_chatroom(sender_wxid, chat_id)
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if not sender_name:
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sender_name = all_contacts.get(sender_wxid, sender_wxid)
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else:
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if bot_wxid and sender_wxid == bot_wxid:
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sender_name = all_contacts.get(bot_wxid, "机器人")
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else:
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sender_name = all_contacts.get(sender_wxid, sender_wxid)
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# 使用 XmlProcessor 提取消息详情 (逻辑不变)
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extracted_data = None
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try:
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if msg.from_group():
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extracted_data = self.xml_processor.extract_quoted_message(msg)
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else:
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extracted_data = self.xml_processor.extract_private_quoted_message(msg)
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except Exception as e:
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self.LOG.error(f"使用XmlProcessor提取消息内容时出错 (msg.id={msg.id}, type={msg.type}): {e}")
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if msg.type == 0x01 and not ("<" in msg.content and ">" in msg.content):
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content_to_record = msg.content.strip()
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source_info = "来自 纯文本消息 (XML解析失败后备)"
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self.LOG.warning(f"XML解析失败,但记录纯文本消息: {content_to_record[:50]}...")
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current_time_str = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
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# 调用 record_message 时需要 sender_wxid
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self.record_message(chat_id, sender_name, sender_wxid, content_to_record, current_time_str)
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return
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# 确定要记录的内容 (content_to_record) - 复用之前的逻辑
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content_to_record = ""
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source_info = "未知来源"
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# 优先使用提取到的新内容 (来自回复或普通文本或<title>)
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temp_new_content = extracted_data.get("new_content", "").strip()
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if temp_new_content:
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content_to_record = temp_new_content
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source_info = "来自 new_content (回复/文本/标题)"
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# 如果是引用类型消息,添加引用标记和引用内容的简略信息
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if extracted_data.get("has_quote", False):
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quoted_sender = extracted_data.get("quoted_sender", "")
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quoted_content = extracted_data.get("quoted_content", "")
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# 处理被引用内容
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if quoted_content:
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# 对较长的引用内容进行截断
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max_quote_length = 30
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if len(quoted_content) > max_quote_length:
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quoted_content = quoted_content[:max_quote_length] + "..."
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# 如果被引用的是卡片,则使用标准卡片格式
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if extracted_data.get("quoted_is_card", False):
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quoted_card_title = extracted_data.get("quoted_card_title", "")
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quoted_card_type = extracted_data.get("quoted_card_type", "")
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# 根据卡片类型确定内容类型
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card_type = "卡片"
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if "链接" in quoted_card_type or "消息" in quoted_card_type:
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card_type = "链接"
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elif "视频" in quoted_card_type or "音乐" in quoted_card_type:
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card_type = "媒体"
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elif "位置" in quoted_card_type:
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card_type = "位置"
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elif "图片" in quoted_card_type:
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card_type = "图片"
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elif "文件" in quoted_card_type:
|
||
card_type = "文件"
|
||
|
||
# 整个卡片内容包裹在【】中
|
||
quoted_content = f"【{card_type}: {quoted_card_title}】"
|
||
|
||
# 根据是否有被引用者信息构建引用前缀
|
||
if quoted_sender:
|
||
content_to_record = f"{content_to_record} 【回复 {quoted_sender}:{quoted_content}】"
|
||
else:
|
||
content_to_record = f"{content_to_record} 【回复:{quoted_content}】"
|
||
|
||
# 其次,如果新内容为空,但这是一个卡片且有标题,则使用卡片标题
|
||
elif extracted_data.get("is_card") and extracted_data.get("card_title", "").strip():
|
||
card_title = extracted_data.get("card_title", "").strip()
|
||
card_description = extracted_data.get("card_description", "").strip()
|
||
card_type = extracted_data.get("card_type", "")
|
||
card_source = extracted_data.get("card_appname") or extracted_data.get("card_sourcedisplayname", "")
|
||
|
||
if "链接" in card_type or "消息" in card_type: content_type = "链接"
|
||
elif "视频" in card_type or "音乐" in card_type: content_type = "媒体"
|
||
elif "位置" in card_type: content_type = "位置"
|
||
elif "图片" in card_type: content_type = "图片"
|
||
elif "文件" in card_type: content_type = "文件"
|
||
else: content_type = "卡片"
|
||
|
||
card_content = f"{content_type}: {card_title}"
|
||
if card_description:
|
||
max_desc_length = 50
|
||
if len(card_description) > max_desc_length:
|
||
card_description = card_description[:max_desc_length] + "..."
|
||
card_content += f" - {card_description}"
|
||
if card_source:
|
||
card_content += f" (来自:{card_source})"
|
||
content_to_record = f"【{card_content}】"
|
||
source_info = "来自 卡片(标题+描述)"
|
||
|
||
# 普通文本消息的保底处理
|
||
elif msg.type == 0x01 and not ("<" in msg.content and ">" in msg.content): # 再次确认是纯文本
|
||
content_to_record = msg.content.strip() # 使用原始纯文本
|
||
source_info = "来自 纯文本消息"
|
||
|
||
|
||
# 如果最终没有提取到有效内容,则不记录 (逻辑不变)
|
||
if not content_to_record:
|
||
self.LOG.debug(f"未能提取到有效文本内容用于记录,跳过 (msg.id={msg.id}, type={msg.type}) - IsCard: {extracted_data.get('is_card', False)}, HasQuote: {extracted_data.get('has_quote', False)}")
|
||
return
|
||
|
||
# 获取当前时间字符串 (使用完整格式)
|
||
current_time_str = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
|
||
|
||
self.LOG.debug(f"记录消息 (来源: {source_info}, 类型: {'群聊' if msg.from_group() else '私聊'}): '[{current_time_str}]{sender_name}({sender_wxid}): {content_to_record}' (来自 msg.id={msg.id})")
|
||
# 调用 record_message 时传入 sender_wxid
|
||
self.record_message(chat_id, sender_name, sender_wxid, content_to_record, current_time_str)
|