Files
gree-controller/home-assistant/custom_components/gree_controller/api.py
T
2026-08-23 21:34:07 +02:00

77 lines
2.8 KiB
Python

"""HTTP client for the standalone GREE Controller service."""
from __future__ import annotations
from typing import Any
from aiohttp import ClientError, ClientSession
class GreeControllerApiError(Exception):
"""Raised when the controller API cannot be used."""
class GreeControllerClient:
"""Small async client backed by Home Assistant's shared ClientSession."""
def __init__(self, session: ClientSession, base_url: str, token: str = "") -> None:
self._session = session
self._base_url = base_url.rstrip("/")
self._token = token.strip()
@property
def base_url(self) -> str:
"""Return the normalized controller URL."""
return self._base_url
def _headers(self) -> dict[str, str]:
headers = {"Accept": "application/json"}
if self._token:
headers["Authorization"] = f"Bearer {self._token}"
return headers
async def _request(self, method: str, path: str, **kwargs: Any) -> Any:
try:
async with self._session.request(
method,
f"{self._base_url}{path}",
headers=self._headers(),
timeout=10,
**kwargs,
) as response:
if response.status == 401:
raise GreeControllerApiError("Controller authentication failed")
if response.status >= 400:
try:
body = await response.json()
message = body.get("error", f"HTTP {response.status}")
except (ValueError, TypeError):
message = f"HTTP {response.status}"
raise GreeControllerApiError(message)
if response.status == 204:
return None
return await response.json()
except GreeControllerApiError:
raise
except (ClientError, TimeoutError) as err:
raise GreeControllerApiError(str(err)) from err
async def health(self) -> dict[str, Any]:
"""Return the public controller health payload."""
return await self._request("GET", "/api/health")
async def devices(self) -> list[dict[str, Any]]:
"""Return all controller devices."""
data = await self._request("GET", "/api/integrations/home-assistant/devices")
if not isinstance(data, list):
raise GreeControllerApiError("Controller returned an invalid devices payload")
return data
async def command(self, device_id: str, payload: dict[str, Any]) -> dict[str, Any]:
"""Send a device command and return the updated device state."""
return await self._request(
"POST",
f"/api/integrations/home-assistant/devices/{device_id}/command",
json=payload,
)