Initial commit for relaytv-ha

custom_components/relaytv/coordinator.py

@@ -0,0 +1,32 @@
+"""Coordinator for RelayTV polling."""
+
+from __future__ import annotations
+
+from datetime import timedelta
+import logging
+
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
+
+from .relaytv_api import RelayTVApi
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class RelayTVCoordinator(DataUpdateCoordinator[dict]):
+    """Poll RelayTV for its current status."""
+
+    def __init__(self, hass: HomeAssistant, api: RelayTVApi) -> None:
+        super().__init__(
+            hass,
+            _LOGGER,
+            name="RelayTV status",
+            update_interval=timedelta(seconds=3),
+        )
+        self.api = api
+
+    async def _async_update_data(self) -> dict:
+        data = await self.api.get_status()
+        if data is None:
+            raise UpdateFailed("Unable to fetch RelayTV status")
+        return data