core/homeassistant/components/coinbase/sensor.py

132 lines
4.1 KiB
Python

"""Support for Coinbase sensors."""
from homeassistant.components.sensor import SensorEntity
from homeassistant.const import ATTR_ATTRIBUTION
ATTR_NATIVE_BALANCE = "Balance in native currency"
CURRENCY_ICONS = {
"BTC": "mdi:currency-btc",
"ETH": "mdi:currency-eth",
"EUR": "mdi:currency-eur",
"LTC": "mdi:litecoin",
"USD": "mdi:currency-usd",
}
DEFAULT_COIN_ICON = "mdi:currency-usd-circle"
ATTRIBUTION = "Data provided by coinbase.com"
DATA_COINBASE = "coinbase_cache"
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the Coinbase sensors."""
if discovery_info is None:
return
if "account" in discovery_info:
account = discovery_info["account"]
sensor = AccountSensor(
hass.data[DATA_COINBASE], account["name"], account["balance"]["currency"]
)
if "exchange_currency" in discovery_info:
sensor = ExchangeRateSensor(
hass.data[DATA_COINBASE],
discovery_info["exchange_currency"],
discovery_info["native_currency"],
)
add_entities([sensor], True)
class AccountSensor(SensorEntity):
"""Representation of a Coinbase.com sensor."""
def __init__(self, coinbase_data, name, currency):
"""Initialize the sensor."""
self._coinbase_data = coinbase_data
self._name = f"Coinbase {name}"
self._state = None
self._unit_of_measurement = currency
self._native_balance = None
self._native_currency = None
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def state(self):
"""Return the state of the sensor."""
return self._state
@property
def unit_of_measurement(self):
"""Return the unit of measurement this sensor expresses itself in."""
return self._unit_of_measurement
@property
def icon(self):
"""Return the icon to use in the frontend, if any."""
return CURRENCY_ICONS.get(self._unit_of_measurement, DEFAULT_COIN_ICON)
@property
def extra_state_attributes(self):
"""Return the state attributes of the sensor."""
return {
ATTR_ATTRIBUTION: ATTRIBUTION,
ATTR_NATIVE_BALANCE: f"{self._native_balance} {self._native_currency}",
}
def update(self):
"""Get the latest state of the sensor."""
self._coinbase_data.update()
for account in self._coinbase_data.accounts["data"]:
if self._name == f"Coinbase {account['name']}":
self._state = account["balance"]["amount"]
self._native_balance = account["native_balance"]["amount"]
self._native_currency = account["native_balance"]["currency"]
class ExchangeRateSensor(SensorEntity):
"""Representation of a Coinbase.com sensor."""
def __init__(self, coinbase_data, exchange_currency, native_currency):
"""Initialize the sensor."""
self._coinbase_data = coinbase_data
self.currency = exchange_currency
self._name = f"{exchange_currency} Exchange Rate"
self._state = None
self._unit_of_measurement = native_currency
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def state(self):
"""Return the state of the sensor."""
return self._state
@property
def unit_of_measurement(self):
"""Return the unit of measurement this sensor expresses itself in."""
return self._unit_of_measurement
@property
def icon(self):
"""Return the icon to use in the frontend, if any."""
return CURRENCY_ICONS.get(self.currency, DEFAULT_COIN_ICON)
@property
def extra_state_attributes(self):
"""Return the state attributes of the sensor."""
return {ATTR_ATTRIBUTION: ATTRIBUTION}
def update(self):
"""Get the latest state of the sensor."""
self._coinbase_data.update()
rate = self._coinbase_data.exchange_rates.rates[self.currency]
self._state = round(1 / float(rate), 2)