29 lines
989 B
Python
29 lines
989 B
Python
"""
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Модуль хранения и загрузки истории сообщений чата.
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"""
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from typing import List, Dict, Any
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from .connection import get_db_connection
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def db_save_chat_message(session_id: str, role: str, content: str):
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if not content:
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return
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conn = get_db_connection()
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cursor = conn.cursor()
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cursor.execute("""
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INSERT INTO chat_messages (session_id, role, content, created_at)
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VALUES (?, ?, ?, CURRENT_TIMESTAMP)
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""", (session_id, role, content))
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conn.commit()
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conn.close()
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def db_get_chat_history(session_id: str, limit: int = 20) -> List[Dict[str, Any]]:
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conn = get_db_connection()
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cursor = conn.cursor()
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cursor.execute("""
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SELECT role, content FROM chat_messages
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WHERE session_id = ?
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ORDER BY id DESC LIMIT ?
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""", (session_id, limit))
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rows = cursor.fetchall()
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conn.close()
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return [{"role": r["role"], "content": r["content"]} for r in reversed(rows)] |