374 lines
13 KiB
Python
374 lines
13 KiB
Python
"""Support for Google Calendar Search binary sensors."""
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from __future__ import annotations
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import copy
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from datetime import datetime, timedelta
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import logging
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from typing import Any
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from gcal_sync.api import GoogleCalendarService, ListEventsRequest
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from gcal_sync.exceptions import ApiException
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from gcal_sync.model import DateOrDatetime, Event
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import voluptuous as vol
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from homeassistant.components.calendar import (
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ENTITY_ID_FORMAT,
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CalendarEntity,
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CalendarEvent,
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extract_offset,
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is_offset_reached,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_DEVICE_ID, CONF_ENTITIES, CONF_NAME, CONF_OFFSET
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from homeassistant.core import HomeAssistant, ServiceCall
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from homeassistant.exceptions import PlatformNotReady
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from homeassistant.helpers import (
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config_validation as cv,
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entity_platform,
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entity_registry as er,
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)
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from homeassistant.helpers.entity import generate_entity_id
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.util import Throttle
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from . import (
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CONF_IGNORE_AVAILABILITY,
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CONF_SEARCH,
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CONF_TRACK,
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DATA_SERVICE,
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DEFAULT_CONF_OFFSET,
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DOMAIN,
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YAML_DEVICES,
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get_calendar_info,
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load_config,
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update_config,
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)
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from .api import get_feature_access
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from .const import (
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EVENT_DESCRIPTION,
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EVENT_END_DATE,
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EVENT_END_DATETIME,
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EVENT_IN,
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EVENT_IN_DAYS,
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EVENT_IN_WEEKS,
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EVENT_START_DATE,
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EVENT_START_DATETIME,
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EVENT_SUMMARY,
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EVENT_TYPES_CONF,
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FeatureAccess,
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)
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_LOGGER = logging.getLogger(__name__)
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MIN_TIME_BETWEEN_UPDATES = timedelta(minutes=15)
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# Events have a transparency that determine whether or not they block time on calendar.
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# When an event is opaque, it means "Show me as busy" which is the default. Events that
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# are not opaque are ignored by default.
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OPAQUE = "opaque"
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_EVENT_IN_TYPES = vol.Schema(
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{
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vol.Exclusive(EVENT_IN_DAYS, EVENT_TYPES_CONF): cv.positive_int,
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vol.Exclusive(EVENT_IN_WEEKS, EVENT_TYPES_CONF): cv.positive_int,
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}
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)
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SERVICE_CREATE_EVENT = "create_event"
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CREATE_EVENT_SCHEMA = vol.All(
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cv.has_at_least_one_key(EVENT_START_DATE, EVENT_START_DATETIME, EVENT_IN),
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cv.has_at_most_one_key(EVENT_START_DATE, EVENT_START_DATETIME, EVENT_IN),
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cv.make_entity_service_schema(
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{
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vol.Required(EVENT_SUMMARY): cv.string,
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vol.Optional(EVENT_DESCRIPTION, default=""): cv.string,
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vol.Inclusive(
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EVENT_START_DATE, "dates", "Start and end dates must both be specified"
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): cv.date,
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vol.Inclusive(
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EVENT_END_DATE, "dates", "Start and end dates must both be specified"
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): cv.date,
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vol.Inclusive(
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EVENT_START_DATETIME,
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"datetimes",
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"Start and end datetimes must both be specified",
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): cv.datetime,
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vol.Inclusive(
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EVENT_END_DATETIME,
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"datetimes",
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"Start and end datetimes must both be specified",
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): cv.datetime,
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vol.Optional(EVENT_IN): _EVENT_IN_TYPES,
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}
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),
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)
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up the google calendar platform."""
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calendar_service = hass.data[DOMAIN][config_entry.entry_id][DATA_SERVICE]
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try:
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result = await calendar_service.async_list_calendars()
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except ApiException as err:
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raise PlatformNotReady(str(err)) from err
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entity_registry = er.async_get(hass)
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registry_entries = er.async_entries_for_config_entry(
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entity_registry, config_entry.entry_id
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)
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entity_entry_map = {
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entity_entry.unique_id: entity_entry for entity_entry in registry_entries
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}
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# Yaml configuration may override objects from the API
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calendars = await hass.async_add_executor_job(
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load_config, hass.config.path(YAML_DEVICES)
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)
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new_calendars = []
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entities = []
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for calendar_item in result.items:
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calendar_id = calendar_item.id
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if calendars and calendar_id in calendars:
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calendar_info = calendars[calendar_id]
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else:
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calendar_info = get_calendar_info(
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hass, calendar_item.dict(exclude_unset=True)
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)
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new_calendars.append(calendar_info)
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# Yaml calendar config may map one calendar to multiple entities with extra options like
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# offsets or search criteria.
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num_entities = len(calendar_info[CONF_ENTITIES])
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for data in calendar_info[CONF_ENTITIES]:
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entity_enabled = data.get(CONF_TRACK, True)
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if not entity_enabled:
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_LOGGER.warning(
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"The 'track' option in google_calendars.yaml has been deprecated. The setting "
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"has been imported to the UI, and should now be removed from google_calendars.yaml"
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)
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entity_name = data[CONF_DEVICE_ID]
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# The unique id is based on the config entry and calendar id since multiple accounts
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# can have a common calendar id (e.g. `en.usa#holiday@group.v.calendar.google.com`).
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# When using google_calendars.yaml with multiple entities for a single calendar, we
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# have no way to set a unique id.
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if num_entities > 1:
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unique_id = None
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else:
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unique_id = f"{config_entry.unique_id}-{calendar_id}"
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# Migrate to new unique_id format which supports multiple config entries as of 2022.7
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for old_unique_id in (calendar_id, f"{calendar_id}-{entity_name}"):
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if not (entity_entry := entity_entry_map.get(old_unique_id)):
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continue
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if unique_id:
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_LOGGER.debug(
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"Migrating unique_id for %s from %s to %s",
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entity_entry.entity_id,
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old_unique_id,
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unique_id,
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)
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entity_registry.async_update_entity(
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entity_entry.entity_id, new_unique_id=unique_id
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)
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else:
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_LOGGER.debug(
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"Removing entity registry entry for %s from %s",
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entity_entry.entity_id,
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old_unique_id,
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)
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entity_registry.async_remove(
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entity_entry.entity_id,
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)
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entities.append(
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GoogleCalendarEntity(
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calendar_service,
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calendar_id,
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data,
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generate_entity_id(ENTITY_ID_FORMAT, entity_name, hass=hass),
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unique_id,
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entity_enabled,
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)
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)
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async_add_entities(entities, True)
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if calendars and new_calendars:
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def append_calendars_to_config() -> None:
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path = hass.config.path(YAML_DEVICES)
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for calendar in new_calendars:
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update_config(path, calendar)
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await hass.async_add_executor_job(append_calendars_to_config)
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platform = entity_platform.async_get_current_platform()
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if get_feature_access(hass, config_entry) is FeatureAccess.read_write:
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platform.async_register_entity_service(
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SERVICE_CREATE_EVENT,
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CREATE_EVENT_SCHEMA,
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async_create_event,
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)
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class GoogleCalendarEntity(CalendarEntity):
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"""A calendar event device."""
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def __init__(
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self,
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calendar_service: GoogleCalendarService,
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calendar_id: str,
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data: dict[str, Any],
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entity_id: str,
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unique_id: str | None,
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entity_enabled: bool,
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) -> None:
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"""Create the Calendar event device."""
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self.calendar_service = calendar_service
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self.calendar_id = calendar_id
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self._search: str | None = data.get(CONF_SEARCH)
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self._ignore_availability: bool = data.get(CONF_IGNORE_AVAILABILITY, False)
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self._event: CalendarEvent | None = None
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self._name: str = data[CONF_NAME]
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self._offset = data.get(CONF_OFFSET, DEFAULT_CONF_OFFSET)
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self._offset_value: timedelta | None = None
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self.entity_id = entity_id
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self._attr_unique_id = unique_id
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self._attr_entity_registry_enabled_default = entity_enabled
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@property
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def extra_state_attributes(self) -> dict[str, bool]:
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"""Return the device state attributes."""
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return {"offset_reached": self.offset_reached}
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@property
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def offset_reached(self) -> bool:
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"""Return whether or not the event offset was reached."""
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if self._event and self._offset_value:
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return is_offset_reached(
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self._event.start_datetime_local, self._offset_value
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)
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return False
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@property
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def event(self) -> CalendarEvent | None:
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"""Return the next upcoming event."""
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return self._event
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@property
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def name(self) -> str:
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"""Return the name of the entity."""
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return self._name
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def _event_filter(self, event: Event) -> bool:
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"""Return True if the event is visible."""
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if self._ignore_availability:
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return True
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return event.transparency == OPAQUE
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async def async_get_events(
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self, hass: HomeAssistant, start_date: datetime, end_date: datetime
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) -> list[CalendarEvent]:
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"""Get all events in a specific time frame."""
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request = ListEventsRequest(
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calendar_id=self.calendar_id,
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start_time=start_date,
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end_time=end_date,
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search=self._search,
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)
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result_items = []
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try:
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result = await self.calendar_service.async_list_events(request)
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async for result_page in result:
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result_items.extend(result_page.items)
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except ApiException as err:
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_LOGGER.error("Unable to connect to Google: %s", err)
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return []
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return [
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_get_calendar_event(event)
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for event in filter(self._event_filter, result_items)
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]
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@Throttle(MIN_TIME_BETWEEN_UPDATES)
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async def async_update(self) -> None:
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"""Get the latest data."""
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request = ListEventsRequest(calendar_id=self.calendar_id, search=self._search)
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try:
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result = await self.calendar_service.async_list_events(request)
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except ApiException as err:
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_LOGGER.error("Unable to connect to Google: %s", err)
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return
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# Pick the first visible event and apply offset calculations.
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valid_items = filter(self._event_filter, result.items)
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event = copy.deepcopy(next(valid_items, None))
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if event:
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(event.summary, offset) = extract_offset(event.summary, self._offset)
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self._event = _get_calendar_event(event)
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self._offset_value = offset
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else:
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self._event = None
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def _get_calendar_event(event: Event) -> CalendarEvent:
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"""Return a CalendarEvent from an API event."""
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return CalendarEvent(
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summary=event.summary,
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start=event.start.value,
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end=event.end.value,
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description=event.description,
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location=event.location,
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)
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async def async_create_event(entity: GoogleCalendarEntity, call: ServiceCall) -> None:
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"""Add a new event to calendar."""
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start: DateOrDatetime | None = None
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end: DateOrDatetime | None = None
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hass = entity.hass
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if EVENT_IN in call.data:
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if EVENT_IN_DAYS in call.data[EVENT_IN]:
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now = datetime.now()
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start_in = now + timedelta(days=call.data[EVENT_IN][EVENT_IN_DAYS])
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end_in = start_in + timedelta(days=1)
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start = DateOrDatetime(date=start_in)
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end = DateOrDatetime(date=end_in)
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elif EVENT_IN_WEEKS in call.data[EVENT_IN]:
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now = datetime.now()
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start_in = now + timedelta(weeks=call.data[EVENT_IN][EVENT_IN_WEEKS])
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end_in = start_in + timedelta(days=1)
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start = DateOrDatetime(date=start_in)
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end = DateOrDatetime(date=end_in)
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elif EVENT_START_DATE in call.data and EVENT_END_DATE in call.data:
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start = DateOrDatetime(date=call.data[EVENT_START_DATE])
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end = DateOrDatetime(date=call.data[EVENT_END_DATE])
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elif EVENT_START_DATETIME in call.data and EVENT_END_DATETIME in call.data:
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start_dt = call.data[EVENT_START_DATETIME]
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end_dt = call.data[EVENT_END_DATETIME]
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start = DateOrDatetime(date_time=start_dt, timezone=str(hass.config.time_zone))
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end = DateOrDatetime(date_time=end_dt, timezone=str(hass.config.time_zone))
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if start is None or end is None:
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raise ValueError("Missing required fields to set start or end date/datetime")
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await entity.calendar_service.async_create_event(
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entity.calendar_id,
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Event(
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summary=call.data[EVENT_SUMMARY],
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description=call.data[EVENT_DESCRIPTION],
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start=start,
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end=end,
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),
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)
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