102 lines
3.5 KiB
Python

import json
import os
import sqlite3
import time
from typing import Any
class ClaimStore:
def __init__(self, path: str, ttl_sec: int) -> None:
self._path = path or ":memory:"
self._ttl = max(60, ttl_sec)
self._ensure_dir()
self._init_db()
def _ensure_dir(self) -> None:
if self._path in {":memory:", ""}:
return
parent = os.path.dirname(self._path)
if parent:
os.makedirs(parent, exist_ok=True)
def _connect(self) -> sqlite3.Connection:
conn = sqlite3.connect(self._path)
conn.row_factory = sqlite3.Row
return conn
def _init_db(self) -> None:
with self._connect() as conn:
conn.execute(
"""
CREATE TABLE IF NOT EXISTS atlasbot_claims (
conversation_id TEXT PRIMARY KEY,
updated_at REAL NOT NULL,
snapshot_id TEXT,
claims_json TEXT,
snapshot_json TEXT
)
"""
)
conn.execute(
"CREATE INDEX IF NOT EXISTS atlasbot_claims_updated ON atlasbot_claims(updated_at)"
)
conn.commit()
def get(self, conversation_id: str) -> dict[str, Any] | None:
if not conversation_id:
return None
with self._connect() as conn:
self._cleanup(conn)
row = conn.execute(
"SELECT updated_at, snapshot_id, claims_json, snapshot_json FROM atlasbot_claims WHERE conversation_id = ?",
(conversation_id,),
).fetchone()
if not row:
return None
return {
"updated_at": row["updated_at"],
"snapshot_id": row["snapshot_id"],
"claims": _safe_json(row["claims_json"], []),
"snapshot": _safe_json(row["snapshot_json"], None),
}
def set(self, conversation_id: str, payload: dict[str, Any]) -> None:
if not conversation_id:
return
updated_at = float(payload.get("updated_at") or time.monotonic())
snapshot_id = payload.get("snapshot_id")
claims_json = json.dumps(payload.get("claims") or [])
snapshot_json = json.dumps(payload.get("snapshot")) if payload.get("snapshot") is not None else None
with self._connect() as conn:
conn.execute(
"""
INSERT INTO atlasbot_claims (conversation_id, updated_at, snapshot_id, claims_json, snapshot_json)
VALUES (?, ?, ?, ?, ?)
ON CONFLICT(conversation_id) DO UPDATE SET
updated_at=excluded.updated_at,
snapshot_id=excluded.snapshot_id,
claims_json=excluded.claims_json,
snapshot_json=excluded.snapshot_json
""",
(conversation_id, updated_at, snapshot_id, claims_json, snapshot_json),
)
conn.commit()
def cleanup(self) -> None:
with self._connect() as conn:
self._cleanup(conn)
def _cleanup(self, conn: sqlite3.Connection) -> None:
cutoff = time.monotonic() - self._ttl
conn.execute("DELETE FROM atlasbot_claims WHERE updated_at < ?", (cutoff,))
conn.commit()
def _safe_json(raw: str | None, fallback: Any) -> Any:
if not raw:
return fallback
try:
return json.loads(raw)
except Exception:
return fallback