fastcheck/fastcheck_api/app/services/legacy_service.py
2026-04-29 11:18:51 -04:00

116 lines
4.4 KiB
Python

from __future__ import annotations
import base64
import json
import time
from typing import Any
import httpx
from fastcheck_api.app.core.config import settings
class LegacyService:
def __init__(self) -> None:
self._client = httpx.AsyncClient(
base_url=settings.legacy_base_url,
timeout=settings.legacy_http_timeout_seconds,
)
self._user_tokens: dict[str, tuple[str, float | None]] = {}
async def close(self) -> None:
await self._client.aclose()
def _extract_exp(self, token: str) -> float | None:
try:
parts = token.split(".")
if len(parts) < 2:
return None
payload_b64 = parts[1]
payload_b64 += "=" * (-len(payload_b64) % 4)
payload_raw = base64.urlsafe_b64decode(payload_b64.encode("utf-8"))
payload = json.loads(payload_raw.decode("utf-8"))
exp = payload.get("exp")
if isinstance(exp, (int, float)):
return float(exp)
except Exception:
return None
return None
def set_user_token(self, *, user_id: str, token: str) -> None:
exp = self._extract_exp(token)
self._user_tokens[user_id] = (token, exp)
def get_user_token(self, *, user_id: str) -> str | None:
entry = self._user_tokens.get(user_id)
if not entry:
return None
token, exp = entry
if exp is None:
return token
if (time.time() + 60) < exp:
return token
self._user_tokens.pop(user_id, None)
return None
async def login_user(self, *, user_id: str, email: str, password: str) -> str:
try:
resp = await self._client.post("auth/login", json={"email": email, "password": password})
resp.raise_for_status()
data = resp.json()
token = data.get("token") if isinstance(data, dict) else None
if not token or not isinstance(token, str):
raise RuntimeError("Legacy login did not return a token")
self.set_user_token(user_id=user_id, token=token)
return token
except httpx.HTTPStatusError as e:
body = (e.response.text or "").replace("\n", " ").strip()
if len(body) > 500:
body = body[:500] + "..."
raise RuntimeError(f"Legacy login failed ({e.response.status_code}): {body or 'no body'}") from e
except httpx.RequestError as e:
raise RuntimeError(f"Legacy login request error: {str(e)}") from e
async def lookup_rut(self, *, rut: str, token: str) -> dict[str, Any]:
try:
resp = await self._client.post(
"rut/lookup",
headers={"Authorization": f"Bearer {token}"},
json={"rut": rut, "isMonitoring": False, "type": "masiva"},
)
resp.raise_for_status()
data = resp.json()
if not isinstance(data, dict):
raise RuntimeError("Unexpected legacy response")
return data
except httpx.HTTPStatusError as e:
body = (e.response.text or "").replace("\n", " ").strip()
if len(body) > 500:
body = body[:500] + "..."
raise RuntimeError(f"Legacy lookup failed ({e.response.status_code}): {body or 'no body'}") from e
except httpx.RequestError as e:
raise RuntimeError(f"Legacy lookup request error: {str(e)}") from e
async def save_fastcheck_summary(self, *, rut: str, summary: str, token: str) -> dict[str, Any]:
try:
resp = await self._client.post(
f"rut/fast-check-summary/{rut}",
headers={"Authorization": f"Bearer {token}"},
json={"summary": summary},
)
resp.raise_for_status()
data = resp.json()
if not isinstance(data, dict):
raise RuntimeError("Unexpected legacy response")
return data
except httpx.HTTPStatusError as e:
body = (e.response.text or "").replace("\n", " ").strip()
if len(body) > 500:
body = body[:500] + "..."
raise RuntimeError(f"Legacy save summary failed ({e.response.status_code}): {body or 'no body'}") from e
except httpx.RequestError as e:
raise RuntimeError(f"Legacy save summary request error: {str(e)}") from e
legacy_service = LegacyService()