Reapply "完善表情资产后台能力并补充群总结落库"

This reverts commit 57bb46bb21.

db/emoji_asset_db.py

@@ -0,0 +1,141 @@
+# -*- coding: utf-8 -*-
+from datetime import datetime
+from typing import Dict, List, Optional
+
+from db.base import BaseDBOperator
+from db.connection import DBConnectionManager
+
+
+class EmojiAssetDBOperator(BaseDBOperator):
+    """表情资产数据库操作"""
+
+    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_emoji_asset (
+                id INT AUTO_INCREMENT PRIMARY KEY,
+                md5 VARCHAR(64) NOT NULL COMMENT '表情MD5',
+                total_length INT NOT NULL DEFAULT 0 COMMENT '表情长度',
+                file_path VARCHAR(255) NOT NULL COMMENT '本地访问路径',
+                file_ext VARCHAR(16) DEFAULT '' COMMENT '文件扩展名',
+                source_message_id BIGINT DEFAULT NULL COMMENT '来源消息ID',
+                source_chatroom_id VARCHAR(64) DEFAULT '' COMMENT '来源群ID',
+                source_wxid VARCHAR(64) DEFAULT '' COMMENT '来源发送人',
+                usage_count INT NOT NULL DEFAULT 0 COMMENT '使用次数',
+                last_used_at DATETIME DEFAULT NULL COMMENT '最近采集时间',
+                last_sent_at DATETIME DEFAULT NULL COMMENT '最近发送时间',
+                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_emoji_asset_md5 (md5),
+                KEY idx_emoji_asset_recent (update_time),
+                KEY idx_emoji_asset_group (source_chatroom_id, update_time)
+            ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='表情资产表';
+            """)
+        except Exception as e:
+            self.LOG.error(f"创建表情资产表失败: {e}")
+
+    def save_asset(self, asset: Dict) -> bool:
+        try:
+            sql = """
+            INSERT INTO t_emoji_asset (
+                md5, total_length, file_path, file_ext,
+                source_message_id, source_chatroom_id, source_wxid,
+                usage_count, last_used_at, last_sent_at
+            )
+            VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
+            ON DUPLICATE KEY UPDATE
+                total_length = VALUES(total_length),
+                file_path = VALUES(file_path),
+                file_ext = VALUES(file_ext),
+                source_message_id = COALESCE(VALUES(source_message_id), source_message_id),
+                source_chatroom_id = CASE
+                    WHEN VALUES(source_chatroom_id) IS NULL OR VALUES(source_chatroom_id) = '' THEN source_chatroom_id
+                    ELSE VALUES(source_chatroom_id)
+                END,
+                source_wxid = CASE
+                    WHEN VALUES(source_wxid) IS NULL OR VALUES(source_wxid) = '' THEN source_wxid
+                    ELSE VALUES(source_wxid)
+                END,
+                usage_count = usage_count + 1,
+                last_used_at = VALUES(last_used_at)
+            """
+            now = asset.get("last_used_at") or datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+            params = (
+                asset.get("md5", ""),
+                int(asset.get("total_length", 0) or 0),
+                asset.get("file_path", ""),
+                asset.get("file_ext", ""),
+                asset.get("source_message_id"),
+                asset.get("source_chatroom_id", ""),
+                asset.get("source_wxid", ""),
+                int(asset.get("usage_count", 1) or 1),
+                now,
+                asset.get("last_sent_at"),
+            )
+            return self.execute_update(sql, params)
+        except Exception as e:
+            self.LOG.error(f"保存表情资产失败: {e}")
+            return False
+
+    def list_assets(self, limit: int = 60, chatroom_id: str = "") -> List[Dict]:
+        try:
+            sql = """
+            SELECT id, md5, total_length, file_path, file_ext, source_message_id,
+                   source_chatroom_id, source_wxid, usage_count, last_used_at,
+                   last_sent_at, create_time, update_time
+            FROM t_emoji_asset
+            WHERE file_path IS NOT NULL AND file_path <> ''
+            """
+            params = []
+            if chatroom_id:
+                sql += " AND source_chatroom_id = %s "
+                params.append(chatroom_id)
+            sql += " ORDER BY COALESCE(last_sent_at, last_used_at, update_time) DESC LIMIT %s "
+            params.append(limit)
+            rows = self.execute_query(sql, tuple(params)) or []
+            return [self._serialize_row(row) for row in rows]
+        except Exception as e:
+            self.LOG.error(f"查询表情资产失败: {e}")
+            return []
+
+    def get_asset_by_md5(self, md5: str) -> Optional[Dict]:
+        try:
+            sql = """
+            SELECT id, md5, total_length, file_path, file_ext, source_message_id,
+                   source_chatroom_id, source_wxid, usage_count, last_used_at,
+                   last_sent_at, create_time, update_time
+            FROM t_emoji_asset
+            WHERE md5 = %s
+            LIMIT 1
+            """
+            row = self.execute_query(sql, (md5,), fetch_one=True)
+            return self._serialize_row(row) if row else None
+        except Exception as e:
+            self.LOG.error(f"查询表情资产详情失败: {e}")
+            return None
+
+    def mark_sent(self, md5: str) -> bool:
+        try:
+            sql = """
+            UPDATE t_emoji_asset
+            SET last_sent_at = NOW()
+            WHERE md5 = %s
+            """
+            return self.execute_update(sql, (md5,))
+        except Exception as e:
+            self.LOG.error(f"更新表情发送时间失败: {e}")
+            return False
+
+    @staticmethod
+    def _serialize_row(row: Dict) -> Dict:
+        if not row:
+            return row
+        for key in ("last_used_at", "last_sent_at", "create_time", "update_time"):
+            value = row.get(key)
+            if isinstance(value, datetime):
+                row[key] = value.strftime("%Y-%m-%d %H:%M:%S")
+        return row