local_db.py
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"""本地 SQLite 管理层 — 加工数据中心"""
import sqlite3
import config
from pathlib import Path
def get_conn() -> sqlite3.Connection:
conn = sqlite3.connect(config.LOCAL_DB)
conn.row_factory = sqlite3.Row
conn.execute("PRAGMA journal_mode=WAL")
conn.execute("PRAGMA foreign_keys=ON")
return conn
def init_db():
"""初始化本地 DB 表结构"""
conn = get_conn()
conn.executescript("""
-- 消息处理追踪
CREATE TABLE IF NOT EXISTS processed_messages (
msg_id INTEGER PRIMARY KEY,
chatroom_id TEXT,
talker TEXT,
msg_type INTEGER,
processed_at TEXT DEFAULT (datetime('now'))
);
-- 群聊日总结
CREATE TABLE IF NOT EXISTS chat_summaries (
id INTEGER PRIMARY KEY AUTOINCREMENT,
chatroom_id TEXT,
date TEXT,
summary TEXT,
msg_count INTEGER DEFAULT 0,
created_at TEXT DEFAULT (datetime('now'))
);
-- 文章队列
CREATE TABLE IF NOT EXISTS article_queue (
id INTEGER PRIMARY KEY AUTOINCREMENT,
source_msg_id INTEGER,
chatroom_id TEXT,
talker TEXT,
url TEXT,
title TEXT,
status TEXT DEFAULT 'pending',
extracted_at TEXT DEFAULT (datetime('now'))
);
-- 图片分析
CREATE TABLE IF NOT EXISTS image_analysis (
id INTEGER PRIMARY KEY AUTOINCREMENT,
source_msg_id INTEGER,
chatroom_id TEXT,
talker TEXT,
image_path TEXT,
ocr_text TEXT,
description TEXT,
analyzed_at TEXT DEFAULT (datetime('now'))
);
-- 日报
CREATE TABLE IF NOT EXISTS daily_reports (
id INTEGER PRIMARY KEY AUTOINCREMENT,
chatroom_id TEXT,
chatroom_name TEXT,
report_date TEXT,
content TEXT,
msg_count INTEGER DEFAULT 0,
image_count INTEGER DEFAULT 0,
article_count INTEGER DEFAULT 0,
dedup_key TEXT,
article_url TEXT,
created_at TEXT DEFAULT (datetime('now'))
);
-- 日报图片
CREATE TABLE IF NOT EXISTS report_images (
id INTEGER PRIMARY KEY AUTOINCREMENT,
report_id INTEGER,
image_path TEXT,
style TEXT DEFAULT 'wsj',
created_at TEXT DEFAULT (datetime('now'))
);
""")
conn.commit()
# 为已有表补加列（兼容旧表）
migrations = [
"ALTER TABLE daily_reports ADD COLUMN dedup_key TEXT",
"ALTER TABLE daily_reports ADD COLUMN article_url TEXT",
]
for sql in migrations:
try:
conn.execute(sql)
except sqlite3.OperationalError:
pass # 列已存在
conn.commit()
# 加索引加速去重查询
try:
conn.execute("CREATE INDEX IF NOT EXISTS idx_daily_reports_dedup ON daily_reports(dedup_key, report_date)")
except Exception:
pass
conn.commit()
conn.close()
# ── 日报图片管理 ────────────────────────────────────
def report_image_list(limit: int = 100) -> list[dict]:
conn = get_conn()
rows = conn.execute(
"""SELECT ri.*, r.chatroom_name, r.report_date
FROM report_images ri
LEFT JOIN daily_reports r ON ri.report_id = r.id
ORDER BY ri.id DESC LIMIT ?""",
(limit,)
).fetchall()
conn.close()
return [dict(r) for r in rows]
def report_image_add(report_id: int, image_path: str, style: str = "wsj") -> int:
conn = get_conn()
cur = conn.execute(
"INSERT INTO report_images (report_id, image_path, style) VALUES (?, ?, ?)",
(report_id, image_path, style)
)
conn.commit()
row_id = cur.lastrowid
conn.close()
return row_id
def report_image_delete(image_id: int):
conn = get_conn()
conn.execute("DELETE FROM report_images WHERE id = ?", (image_id,))
conn.commit()
conn.close()
# ── 日报管理 ────────────────────────────────────────
def report_list(limit: int = 100) -> list[dict]:
conn = get_conn()
rows = conn.execute(
"SELECT * FROM daily_reports ORDER BY report_date DESC, id DESC LIMIT ?",
(limit,)
).fetchall()
conn.close()
return [dict(r) for r in rows]
def report_get(report_id: int) -> dict | None:
conn = get_conn()
row = conn.execute("SELECT * FROM daily_reports WHERE id = ?", (report_id,)).fetchone()
conn.close()
return dict(row) if row else None
def report_add(chatroom_id: str, chatroom_name: str, report_date: str,
content: str, msg_count: int = 0, image_count: int = 0,
article_count: int = 0, dedup_key: str = "",
article_url: str = "") -> int:
conn = get_conn()
cur = conn.execute(
"""INSERT INTO daily_reports (chatroom_id, chatroom_name, report_date, content,
msg_count, image_count, article_count, dedup_key, article_url)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)""",
(chatroom_id, chatroom_name, report_date, content,
msg_count, image_count, article_count,
dedup_key or None, article_url or None)
)
conn.commit()
row_id = cur.lastrowid
conn.close()
return row_id
def report_delete(report_id: int):
conn = get_conn()
conn.execute("DELETE FROM daily_reports WHERE id = ?", (report_id,))
conn.commit()
conn.close()
# ── 文章摘要去重查询 ────────────────────────────────
def find_article_summary(dedup_key: str, report_type: str) -> dict | None:
"""查某篇文章是否已有摘要/学习结果。
report_type: 'summary' 或 'learn'
"""
conn = get_conn()
row = conn.execute(
"""SELECT * FROM daily_reports
WHERE dedup_key = ? AND report_date = ?
ORDER BY id DESC LIMIT 1""",
(dedup_key, report_type)
).fetchone()
conn.close()
return dict(row) if row else None
def find_article_summaries_batch(dedup_keys: list[str], report_type: str = "summary") -> dict[str, dict]:
"""批量查哪些 dedup_key 已有摘要。
返回 {dedup_key: {id, content, created_at}, ...}
report_type: 'summary' 或 'learn' 或 ''（查任何类型）
"""
if not dedup_keys:
return {}
conn = get_conn()
placeholders = ",".join(["?"] * len(dedup_keys))
if report_type:
sql = f"""SELECT dedup_key, id, content, report_date, created_at
FROM daily_reports
WHERE dedup_key IN ({placeholders}) AND report_date = ?
ORDER BY id DESC"""
rows = conn.execute(sql, [*dedup_keys, report_type]).fetchall()
else:
sql = f"""SELECT dedup_key, id, content, report_date, created_at
FROM daily_reports
WHERE dedup_key IN ({placeholders})
ORDER BY id DESC"""
rows = conn.execute(sql, dedup_keys).fetchall()
conn.close()
result = {}
for row in rows:
d = dict(row)
dk = d.pop("dedup_key")
if dk and dk not in result:
result[dk] = d
return result
# ── 文章队列 ────────────────────────────────────────
def article_list(status: str = "pending", limit: int = 100) -> list[dict]:
conn = get_conn()
rows = conn.execute(
"""SELECT * FROM article_queue WHERE status = ? ORDER BY id DESC LIMIT ?""",
(status, limit)
).fetchall()
conn.close()
return [dict(r) for r in rows]
def article_add(source_msg_id: int, chatroom_id: str, talker: str,
url: str, title: str) -> int:
conn = get_conn()
cur = conn.execute(
"""INSERT INTO article_queue (source_msg_id, chatroom_id, talker, url, title)
VALUES (?, ?, ?, ?, ?)""",
(source_msg_id, chatroom_id, talker, url, title)
)
conn.commit()
row_id = cur.lastrowid
conn.close()
return row_id
def article_update_status(article_id: int, status: str):
conn = get_conn()
conn.execute(
"UPDATE article_queue SET status = ? WHERE id = ?",
(status, article_id)
)
conn.commit()
conn.close()
# ── 图片分析 ────────────────────────────────────────
def image_list(limit: int = 100) -> list[dict]:
conn = get_conn()
rows = conn.execute(
"SELECT * FROM image_analysis ORDER BY id DESC LIMIT ?",
(limit,)
).fetchall()
conn.close()
return [dict(r) for r in rows]
def image_add(source_msg_id: int, chatroom_id: str, talker: str,
image_path: str, ocr_text: str = "", description: str = "") -> int:
conn = get_conn()
cur = conn.execute(
"""INSERT INTO image_analysis (source_msg_id, chatroom_id, talker, image_path, ocr_text, description)
VALUES (?, ?, ?, ?, ?, ?)""",
(source_msg_id, chatroom_id, talker, image_path, ocr_text, description)
)
conn.commit()
row_id = cur.lastrowid
conn.close()
return row_id
# ── 群聊总结 ────────────────────────────────────────
def summary_list(limit: int = 50) -> list[dict]:
conn = get_conn()
rows = conn.execute(
"SELECT * FROM chat_summaries ORDER BY date DESC, id DESC LIMIT ?",
(limit,)
).fetchall()
conn.close()
return [dict(r) for r in rows]
def summary_add(chatroom_id: str, date: str, summary: str, msg_count: int = 0) -> int:
conn = get_conn()
cur = conn.execute(
"""INSERT INTO chat_summaries (chatroom_id, date, summary, msg_count)
VALUES (?, ?, ?, ?)""",
(chatroom_id, date, summary, msg_count)
)
conn.commit()
row_id = cur.lastrowid
conn.close()
return row_id