trigger_entity.py

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"""Trigger entity."""
 
from __future__ import annotations
 
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.template import TemplateStateFromEntityId
from homeassistant.helpers.trigger_template_entity import TriggerBaseEntity
from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
from . import TriggerUpdateCoordinator
 
 
class TriggerEntity(  # pylint: disable=hass-enforce-class-module
    TriggerBaseEntity, CoordinatorEntity[TriggerUpdateCoordinator]
):
    """Template entity based on trigger data."""
 
    def __init__(
        self,
        hass: HomeAssistant,
        coordinator: TriggerUpdateCoordinator,
        config: dict,
    ) -> None:
        """Initialize the entity."""
        CoordinatorEntity.__init__(self, coordinator)
        TriggerBaseEntity.__init__(self, hass, config)
 
    async def async_added_to_hass(self) -> None:
        """Handle being added to Home Assistant."""
        await super().async_added_to_hass()
        if self.coordinator.data is not None:
            self._process_data()
 
    def _set_unique_id(self, unique_id: str | None) -> None:
        """Set unique id."""
        if unique_id and self.coordinator.unique_id:
            self._unique_id = f"{self.coordinator.unique_id}-{unique_id}"
        else:
            self._unique_id = unique_id
 
    @callback
    def _process_data(self) -> None:
        """Process new data."""
 
        run_variables = self.coordinator.data["run_variables"]
        variables = {
            "this": TemplateStateFromEntityId(self.hass, self.entity_id),
            **(run_variables or {}),
        }
 
        self._render_templates(variables)
 
        self.async_set_context(self.coordinator.data["context"])
 
    @callback
    def _handle_coordinator_update(self) -> None:
        """Handle updated data from the coordinator."""
        self._process_data()
        self.async_write_ha_state()