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"""
๋ฐ์ดํฐ๋ฒ ์ด์ค ๊ด๋ฆฌ ๋ชจ๋
SQLite๋ฅผ ์ฌ์ฉํ ์ฑํ
ํ์คํ ๋ฆฌ ๋ฐ ์ฌ์ฉ์ ๋ฐ์ดํฐ ๊ด๋ฆฌ
"""
import sqlite3
import logging
import json
from datetime import datetime
from typing import List, Dict, Any, Optional
from pathlib import Path
logger = logging.getLogger(__name__)
class DatabaseManager:
"""SQLite ๋ฐ์ดํฐ๋ฒ ์ด์ค ๊ด๋ฆฌ ํด๋์ค"""
def __init__(self, db_path: str = "./lily_llm.db"):
self.db_path = Path(db_path)
self.db_path.parent.mkdir(exist_ok=True)
self.init_database()
def init_database(self):
"""๋ฐ์ดํฐ๋ฒ ์ด์ค ์ด๊ธฐํ ๋ฐ ํ
์ด๋ธ ์์ฑ"""
try:
with sqlite3.connect(self.db_path) as conn:
cursor = conn.cursor()
# ์ฌ์ฉ์ ํ
์ด๋ธ
cursor.execute("""
CREATE TABLE IF NOT EXISTS users (
user_id TEXT PRIMARY KEY,
username TEXT,
email TEXT,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
last_login TIMESTAMP,
is_active BOOLEAN DEFAULT TRUE
)
""")
# ์ฑํ
์ธ์
ํ
์ด๋ธ
cursor.execute("""
CREATE TABLE IF NOT EXISTS chat_sessions (
session_id TEXT PRIMARY KEY,
user_id TEXT,
session_name TEXT,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
last_activity TIMESTAMP,
is_active BOOLEAN DEFAULT TRUE,
FOREIGN KEY (user_id) REFERENCES users (user_id)
)
""")
# ์ฑํ
๋ฉ์์ง ํ
์ด๋ธ
cursor.execute("""
CREATE TABLE IF NOT EXISTS chat_messages (
message_id INTEGER PRIMARY KEY AUTOINCREMENT,
session_id TEXT,
user_id TEXT,
message_type TEXT CHECK(message_type IN ('user', 'assistant', 'system')),
content TEXT,
metadata TEXT,
timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (session_id) REFERENCES chat_sessions (session_id),
FOREIGN KEY (user_id) REFERENCES users (user_id)
)
""")
# ๋ฌธ์ ์ ๋ณด ํ
์ด๋ธ
cursor.execute("""
CREATE TABLE IF NOT EXISTS documents (
document_id TEXT PRIMARY KEY,
user_id TEXT,
filename TEXT,
file_type TEXT,
file_size INTEGER,
upload_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
last_accessed TIMESTAMP,
is_active BOOLEAN DEFAULT TRUE,
metadata TEXT,
FOREIGN KEY (user_id) REFERENCES users (user_id)
)
""")
# RAG ์ฟผ๋ฆฌ ํ์คํ ๋ฆฌ ํ
์ด๋ธ
cursor.execute("""
CREATE TABLE IF NOT EXISTS rag_queries (
query_id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id TEXT,
document_id TEXT,
query_text TEXT,
response_text TEXT,
processing_time REAL,
search_results INTEGER,
query_type TEXT CHECK(query_type IN ('text', 'hybrid')),
timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (user_id) REFERENCES users (user_id),
FOREIGN KEY (document_id) REFERENCES documents (document_id)
)
""")
conn.commit()
logger.info("โ
๋ฐ์ดํฐ๋ฒ ์ด์ค ์ด๊ธฐํ ์๋ฃ")
except Exception as e:
logger.error(f"โ ๋ฐ์ดํฐ๋ฒ ์ด์ค ์ด๊ธฐํ ์คํจ: {e}")
raise
def add_user(self, user_id: str, username: str = None, email: str = None) -> bool:
"""์ฌ์ฉ์ ์ถ๊ฐ"""
try:
with sqlite3.connect(self.db_path) as conn:
cursor = conn.cursor()
cursor.execute("""
INSERT OR REPLACE INTO users (user_id, username, email, last_login)
VALUES (?, ?, ?, CURRENT_TIMESTAMP)
""", (user_id, username, email))
conn.commit()
logger.info(f"โ
์ฌ์ฉ์ ์ถ๊ฐ ์๋ฃ: {user_id}")
return True
except Exception as e:
logger.error(f"โ ์ฌ์ฉ์ ์ถ๊ฐ ์คํจ: {e}")
return False
def get_user(self, user_id: str) -> Optional[Dict[str, Any]]:
"""์ฌ์ฉ์ ์ ๋ณด ์กฐํ"""
try:
with sqlite3.connect(self.db_path) as conn:
cursor = conn.cursor()
cursor.execute("SELECT * FROM users WHERE user_id = ?", (user_id,))
row = cursor.fetchone()
if row:
columns = [description[0] for description in cursor.description]
return dict(zip(columns, row))
return None
except Exception as e:
logger.error(f"โ ์ฌ์ฉ์ ์กฐํ ์คํจ: {e}")
return None
def create_chat_session(self, user_id: str, session_name: str = None) -> Optional[str]:
"""์ฑํ
์ธ์
์์ฑ"""
try:
session_id = f"session_{user_id}_{datetime.now().strftime('%Y%m%d_%H%M%S')}"
with sqlite3.connect(self.db_path) as conn:
cursor = conn.cursor()
cursor.execute("""
INSERT INTO chat_sessions (session_id, user_id, session_name, last_activity)
VALUES (?, ?, ?, CURRENT_TIMESTAMP)
""", (session_id, user_id, session_name))
conn.commit()
logger.info(f"โ
์ฑํ
์ธ์
์์ฑ ์๋ฃ: {session_id}")
return session_id
except Exception as e:
logger.error(f"โ ์ฑํ
์ธ์
์์ฑ ์คํจ: {e}")
return None
def add_chat_message(self, session_id: str, user_id: str, message_type: str,
content: str, metadata: Dict[str, Any] = None) -> bool:
"""์ฑํ
๋ฉ์์ง ์ถ๊ฐ"""
try:
with sqlite3.connect(self.db_path) as conn:
cursor = conn.cursor()
# ๋ฉ์์ง ์ถ๊ฐ
cursor.execute("""
INSERT INTO chat_messages (session_id, user_id, message_type, content, metadata)
VALUES (?, ?, ?, ?, ?)
""", (session_id, user_id, message_type, content,
json.dumps(metadata) if metadata else None))
# ์ธ์
ํ๋ ์๊ฐ ์
๋ฐ์ดํธ
cursor.execute("""
UPDATE chat_sessions SET last_activity = CURRENT_TIMESTAMP
WHERE session_id = ?
""", (session_id,))
conn.commit()
logger.info(f"โ
๋ฉ์์ง ์ถ๊ฐ ์๋ฃ: {message_type}")
return True
except Exception as e:
logger.error(f"โ ๋ฉ์์ง ์ถ๊ฐ ์คํจ: {e}")
return False
def get_chat_history(self, session_id: str, limit: int = 50) -> List[Dict[str, Any]]:
"""์ฑํ
ํ์คํ ๋ฆฌ ์กฐํ"""
try:
with sqlite3.connect(self.db_path) as conn:
cursor = conn.cursor()
cursor.execute("""
SELECT * FROM chat_messages
WHERE session_id = ?
ORDER BY timestamp DESC
LIMIT ?
""", (session_id, limit))
rows = cursor.fetchall()
columns = [description[0] for description in cursor.description]
messages = []
for row in reversed(rows): # ์๊ฐ์์ผ๋ก ์ ๋ ฌ
message = dict(zip(columns, row))
if message['metadata']:
message['metadata'] = json.loads(message['metadata'])
messages.append(message)
return messages
except Exception as e:
logger.error(f"โ ์ฑํ
ํ์คํ ๋ฆฌ ์กฐํ ์คํจ: {e}")
return []
def add_document_record(self, document_id: str, user_id: str, filename: str,
file_type: str, file_size: int, metadata: Dict[str, Any] = None) -> bool:
"""๋ฌธ์ ์ ๋ณด ์ถ๊ฐ"""
try:
with sqlite3.connect(self.db_path) as conn:
cursor = conn.cursor()
cursor.execute("""
INSERT INTO documents (document_id, user_id, filename, file_type, file_size, metadata)
VALUES (?, ?, ?, ?, ?, ?)
""", (document_id, user_id, filename, file_type, file_size,
json.dumps(metadata) if metadata else None))
conn.commit()
logger.info(f"โ
๋ฌธ์ ์ ๋ณด ์ถ๊ฐ ์๋ฃ: {document_id}")
return True
except Exception as e:
logger.error(f"โ ๋ฌธ์ ์ ๋ณด ์ถ๊ฐ ์คํจ: {e}")
return False
def add_rag_query(self, user_id: str, document_id: str, query_text: str,
response_text: str, processing_time: float, search_results: int,
query_type: str = 'text') -> bool:
"""RAG ์ฟผ๋ฆฌ ํ์คํ ๋ฆฌ ์ถ๊ฐ"""
try:
with sqlite3.connect(self.db_path) as conn:
cursor = conn.cursor()
cursor.execute("""
INSERT INTO rag_queries (user_id, document_id, query_text, response_text,
processing_time, search_results, query_type)
VALUES (?, ?, ?, ?, ?, ?, ?)
""", (user_id, document_id, query_text, response_text,
processing_time, search_results, query_type))
conn.commit()
logger.info(f"โ
RAG ์ฟผ๋ฆฌ ํ์คํ ๋ฆฌ ์ถ๊ฐ ์๋ฃ")
return True
except Exception as e:
logger.error(f"โ RAG ์ฟผ๋ฆฌ ํ์คํ ๋ฆฌ ์ถ๊ฐ ์คํจ: {e}")
return False
def get_user_documents(self, user_id: str) -> List[Dict[str, Any]]:
"""์ฌ์ฉ์์ ๋ฌธ์ ๋ชฉ๋ก ์กฐํ"""
try:
with sqlite3.connect(self.db_path) as conn:
cursor = conn.cursor()
cursor.execute("""
SELECT * FROM documents
WHERE user_id = ? AND is_active = TRUE
ORDER BY upload_date DESC
""", (user_id,))
rows = cursor.fetchall()
columns = [description[0] for description in cursor.description]
documents = []
for row in rows:
doc = dict(zip(columns, row))
if doc['metadata']:
doc['metadata'] = json.loads(doc['metadata'])
documents.append(doc)
return documents
except Exception as e:
logger.error(f"โ ์ฌ์ฉ์ ๋ฌธ์ ๋ชฉ๋ก ์กฐํ ์คํจ: {e}")
return []
def get_user_sessions(self, user_id: str) -> List[Dict[str, Any]]:
"""์ฌ์ฉ์์ ์ฑํ
์ธ์
๋ชฉ๋ก ์กฐํ"""
try:
with sqlite3.connect(self.db_path) as conn:
cursor = conn.cursor()
cursor.execute("""
SELECT * FROM chat_sessions
WHERE user_id = ? AND is_active = TRUE
ORDER BY last_activity DESC
""", (user_id,))
rows = cursor.fetchall()
columns = [description[0] for description in cursor.description]
sessions = []
for row in rows:
sessions.append(dict(zip(columns, row)))
return sessions
except Exception as e:
logger.error(f"โ ์ฌ์ฉ์ ์ธ์
๋ชฉ๋ก ์กฐํ ์คํจ: {e}")
return []
# ์ ์ญ ์ธ์คํด์ค
db_manager = DatabaseManager() |