49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
"""The OurGroceries coordinator."""
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from __future__ import annotations
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import asyncio
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from datetime import timedelta
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import logging
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from ourgroceries import OurGroceries
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
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from .const import DOMAIN
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SCAN_INTERVAL = 60
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_LOGGER = logging.getLogger(__name__)
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class OurGroceriesDataUpdateCoordinator(DataUpdateCoordinator[dict[str, dict]]):
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"""Class to manage fetching OurGroceries data."""
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def __init__(self, hass: HomeAssistant, og: OurGroceries) -> None:
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"""Initialize global OurGroceries data updater."""
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self.og = og
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self.lists: list[dict] = []
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self._cache: dict[str, dict] = {}
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interval = timedelta(seconds=SCAN_INTERVAL)
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super().__init__(
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hass,
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_LOGGER,
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name=DOMAIN,
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update_interval=interval,
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)
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async def _update_list(self, list_id: str, version_id: str) -> None:
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old_version = self._cache.get(list_id, {}).get("list", {}).get("versionId", "")
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if old_version == version_id:
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return
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self._cache[list_id] = await self.og.get_list_items(list_id=list_id)
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async def _async_update_data(self) -> dict[str, dict]:
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"""Fetch data from OurGroceries."""
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self.lists = (await self.og.get_my_lists())["shoppingLists"]
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await asyncio.gather(
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*[self._update_list(sl["id"], sl["versionId"]) for sl in self.lists]
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)
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return self._cache
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