Files
web-page-backend/stock-lab/app/db.py

55 lines
1.8 KiB
Python

import sqlite3
import os
import hashlib
from typing import List, Dict, Any
DB_PATH = "/app/data/stock.db"
def _conn() -> sqlite3.Connection:
os.makedirs(os.path.dirname(DB_PATH), exist_ok=True)
conn = sqlite3.connect(DB_PATH)
conn.row_factory = sqlite3.Row
return conn
def init_db():
with _conn() as conn:
conn.execute("""
CREATE TABLE IF NOT EXISTS articles (
id INTEGER PRIMARY KEY AUTOINCREMENT,
hash TEXT UNIQUE NOT NULL,
title TEXT NOT NULL,
link TEXT,
summary TEXT,
press TEXT,
pub_date TEXT,
crawled_at TEXT
)
""")
conn.execute("CREATE INDEX IF NOT EXISTS idx_articles_crawled ON articles(crawled_at DESC)")
def save_articles(articles: List[Dict[str, str]]) -> int:
count = 0
with _conn() as conn:
for a in articles:
# 중복 체크용 해시 (제목+링크)
unique_str = f"{a['title']}|{a['link']}"
h = hashlib.md5(unique_str.encode()).hexdigest()
try:
conn.execute("""
INSERT INTO articles (hash, title, link, summary, press, pub_date, crawled_at)
VALUES (?, ?, ?, ?, ?, ?, ?)
""", (h, a['title'], a['link'], a['summary'], a['press'], a['date'], a['crawled_at']))
count += 1
except sqlite3.IntegrityError:
pass # 이미 존재함
return count
def get_latest_articles(limit: int = 20) -> List[Dict[str, Any]]:
with _conn() as conn:
rows = conn.execute(
"SELECT * FROM articles ORDER BY crawled_at DESC, id DESC LIMIT ?",
(limit,)
).fetchall()
return [dict(r) for r in rows]