Revert "Reapply "完善表情资产后台能力并补充群总结落库""

This reverts commit 079f363382.

db/message_summary_db.py

@@ -1,113 +0,0 @@
-# -*- coding: utf-8 -*-
-import json
-from datetime import datetime
-from typing import Dict, Optional
-
-from db.base import BaseDBOperator
-from db.connection import DBConnectionManager
-
-
-class MessageSummaryDBOperator(BaseDBOperator):
-    """群消息总结数据库操作"""
-
-    def __init__(self, db_manager: DBConnectionManager):
-        super().__init__(db_manager)
-        self._create_tables()
-
-    def _create_tables(self):
-        try:
-            self.execute_update("""
-            CREATE TABLE IF NOT EXISTS t_message_summary (
-                id INT AUTO_INCREMENT PRIMARY KEY,
-                chatroom_id VARCHAR(64) NOT NULL COMMENT '群聊ID',
-                group_name VARCHAR(128) DEFAULT '' COMMENT '群名称',
-                summary_type VARCHAR(16) NOT NULL COMMENT '总结类型 daily|manual',
-                period_key VARCHAR(32) NOT NULL COMMENT '周期主键，如 2026-04-01',
-                period_start DATETIME NULL COMMENT '总结周期开始时间',
-                period_end DATETIME NULL COMMENT '总结周期结束时间',
-                source_message_count INT NOT NULL DEFAULT 0 COMMENT '源消息数量',
-                summary_text LONGTEXT COMMENT '总结文本',
-                image_path VARCHAR(255) DEFAULT NULL COMMENT '总结图片路径',
-                meta_json LONGTEXT COMMENT '附加元数据JSON',
-                last_generated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '最后生成时间',
-                create_time DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
-                update_time DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
-                UNIQUE KEY idx_message_summary (chatroom_id, summary_type, period_key),
-                KEY idx_message_summary_lookup (chatroom_id, period_end)
-            ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='群消息总结表';
-            """)
-        except Exception as e:
-            self.LOG.error(f"创建群消息总结表失败: {e}")
-
-    def save_summary(self, summary: Dict) -> bool:
-        try:
-            data = {
-                "chatroom_id": summary.get("chatroom_id", ""),
-                "group_name": summary.get("group_name", ""),
-                "summary_type": summary.get("summary_type", "daily"),
-                "period_key": summary.get("period_key", ""),
-                "period_start": summary.get("period_start"),
-                "period_end": summary.get("period_end"),
-                "source_message_count": int(summary.get("source_message_count", 0) or 0),
-                "summary_text": summary.get("summary_text", ""),
-                "image_path": summary.get("image_path"),
-                "meta_json": json.dumps(summary.get("meta", {}), ensure_ascii=False),
-                "last_generated_at": summary.get(
-                    "last_generated_at",
-                    datetime.now().strftime("%Y-%m-%d %H:%M:%S")
-                ),
-            }
-            fields = ", ".join(data.keys())
-            placeholders = ", ".join(["%s"] * len(data))
-            update_clause = ", ".join(
-                [
-                    f"{key}=VALUES({key})"
-                    for key in data.keys()
-                    if key not in ("chatroom_id", "summary_type", "period_key")
-                ]
-            )
-            sql = f"""
-            INSERT INTO t_message_summary ({fields})
-            VALUES ({placeholders})
-            ON DUPLICATE KEY UPDATE {update_clause}
-            """
-            return self.execute_update(sql, tuple(data.values()))
-        except Exception as e:
-            self.LOG.error(f"保存群消息总结失败: {e}")
-            return False
-
-    def get_summary(self, chatroom_id: str, summary_type: str, period_key: str) -> Optional[Dict]:
-        try:
-            sql = """
-            SELECT *
-            FROM t_message_summary
-            WHERE chatroom_id = %s AND summary_type = %s AND period_key = %s
-            LIMIT 1
-            """
-            row = self.execute_query(sql, (chatroom_id, summary_type, period_key), fetch_one=True)
-            return self._deserialize_row(row)
-        except Exception as e:
-            self.LOG.error(f"获取群消息总结失败: {e}")
-            return None
-
-    @staticmethod
-    def _deserialize_row(row: Optional[Dict]) -> Optional[Dict]:
-        if not row:
-            return row
-
-        meta_json = row.get("meta_json")
-        if meta_json:
-            try:
-                row["meta_json"] = json.loads(meta_json)
-            except Exception:
-                row["meta_json"] = {}
-        else:
-            row["meta_json"] = {}
-
-        for key in ("period_start", "period_end", "last_generated_at", "create_time", "update_time"):
-            value = row.get(key)
-            if isinstance(value, datetime):
-                row[key] = value.strftime("%Y-%m-%d %H:%M:%S")
-
-        row["meta"] = row.get("meta_json", {})
-        return row