76 lines
2.0 KiB
Python
76 lines
2.0 KiB
Python
"""Support for August sensors."""
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import logging
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from homeassistant.const import ENERGY_KILO_WATT_HOUR
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from homeassistant.helpers.entity import Entity
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from .const import CONF_LOADZONE, DOMAIN
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up the August sensors."""
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coordinator = hass.data[DOMAIN][config_entry.entry_id]
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settlement_point = config_entry.data[CONF_LOADZONE]
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async_add_entities([GriddyPriceSensor(settlement_point, coordinator)], True)
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class GriddyPriceSensor(Entity):
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"""Representation of an August sensor."""
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def __init__(self, settlement_point, coordinator):
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"""Initialize the sensor."""
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self._coordinator = coordinator
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self._settlement_point = settlement_point
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement."""
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return f"¢/{ENERGY_KILO_WATT_HOUR}"
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@property
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def name(self):
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"""Device Name."""
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return f"{self._settlement_point} Price Now"
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@property
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def icon(self):
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"""Device Ice."""
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return "mdi:currency-usd"
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@property
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def unique_id(self):
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"""Device Uniqueid."""
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return f"{self._settlement_point}_price_now"
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@property
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def available(self):
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"""Return True if entity is available."""
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return self._coordinator.last_update_success
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@property
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def state(self):
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"""Get the current price."""
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return round(float(self._coordinator.data.now.price_cents_kwh), 4)
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@property
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def should_poll(self):
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"""Return False, updates are controlled via coordinator."""
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return False
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async def async_update(self):
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"""Update the entity.
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Only used by the generic entity update service.
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"""
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await self._coordinator.async_request_refresh()
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async def async_added_to_hass(self):
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"""Subscribe to updates."""
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self.async_on_remove(
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self._coordinator.async_add_listener(self.async_write_ha_state)
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)
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