core/homeassistant/components/rainbird/calendar.py

124 lines
4.0 KiB
Python

"""Rain Bird irrigation calendar."""
from __future__ import annotations
from datetime import datetime
import logging
from homeassistant.components.calendar import CalendarEntity, CalendarEvent
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from homeassistant.util import dt as dt_util
from .const import DOMAIN
from .coordinator import RainbirdScheduleUpdateCoordinator
_LOGGER = logging.getLogger(__name__)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up entry for a Rain Bird irrigation calendar."""
data = hass.data[DOMAIN][config_entry.entry_id]
if not data.model_info.model_info.max_programs:
return
async_add_entities(
[
RainBirdCalendarEntity(
data.schedule_coordinator,
data.coordinator.unique_id,
data.coordinator.device_info,
data.coordinator.device_name,
)
]
)
class RainBirdCalendarEntity(
CoordinatorEntity[RainbirdScheduleUpdateCoordinator], CalendarEntity
):
"""A calendar event entity."""
_attr_has_entity_name = True
_attr_name: str | None = None
_attr_icon = "mdi:sprinkler"
def __init__(
self,
coordinator: RainbirdScheduleUpdateCoordinator,
unique_id: str | None,
device_info: DeviceInfo | None,
device_name: str,
) -> None:
"""Create the Calendar event device."""
super().__init__(coordinator)
self._event: CalendarEvent | None = None
if unique_id is not None:
self._attr_unique_id = unique_id
self._attr_device_info = device_info
else:
self._attr_name = device_name
@property
def event(self) -> CalendarEvent | None:
"""Return the next upcoming event."""
schedule = self.coordinator.data
if not schedule:
return None
cursor = schedule.timeline_tz(dt_util.DEFAULT_TIME_ZONE).active_after(
dt_util.now()
)
program_event = next(cursor, None)
if not program_event:
return None
return CalendarEvent(
summary=program_event.program_id.name,
start=dt_util.as_local(program_event.start),
end=dt_util.as_local(program_event.end),
rrule=program_event.rrule_str,
)
async def async_get_events(
self, hass: HomeAssistant, start_date: datetime, end_date: datetime
) -> list[CalendarEvent]:
"""Get all events in a specific time frame."""
schedule = self.coordinator.data
if not schedule:
raise HomeAssistantError(
"Unable to get events: No data from controller yet"
)
cursor = schedule.timeline_tz(start_date.tzinfo).overlapping(
start_date,
end_date,
)
return [
CalendarEvent(
summary=program_event.program_id.name,
start=dt_util.as_local(program_event.start),
end=dt_util.as_local(program_event.end),
rrule=program_event.rrule_str,
)
for program_event in cursor
]
async def async_added_to_hass(self) -> None:
"""When entity is added to hass."""
await super().async_added_to_hass()
# We do not ask for an update with async_add_entities()
# because it will update disabled entities. This is started as a
# task to let it sync in the background without blocking startup
self.coordinator.config_entry.async_create_background_task(
self.hass,
self.coordinator.async_request_refresh(),
"rainbird.calendar-refresh",
)