Convert Mill consumption attributes to sensors (#52311)

.coveragerc

@@ -622,6 +622,7 @@ omit =
     homeassistant/components/mill/__init__.py
     homeassistant/components/mill/climate.py
     homeassistant/components/mill/const.py
+    homeassistant/components/mill/sensor.py
     homeassistant/components/minecraft_server/__init__.py
     homeassistant/components/minecraft_server/binary_sensor.py
     homeassistant/components/minecraft_server/const.py

homeassistant/components/mill/__init__.py

@@ -1,10 +1,29 @@
 """The mill component."""
+from mill import Mill
 
-PLATFORMS = ["climate"]
+from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
+from homeassistant.exceptions import ConfigEntryNotReady
+from homeassistant.helpers.aiohttp_client import async_get_clientsession
+
+from .const import DOMAIN
+
+PLATFORMS = ["climate", "sensor"]
 
 
 async def async_setup_entry(hass, entry):
     """Set up the Mill heater."""
+    mill_data_connection = Mill(
+        entry.data[CONF_USERNAME],
+        entry.data[CONF_PASSWORD],
+        websession=async_get_clientsession(hass),
+    )
+    if not await mill_data_connection.connect():
+        raise ConfigEntryNotReady
+
+    await mill_data_connection.find_all_heaters()
+
+    hass.data[DOMAIN] = mill_data_connection
+
     hass.config_entries.async_setup_platforms(entry, PLATFORMS)
     return True
 

homeassistant/components/mill/climate.py

@@ -1,5 +1,4 @@
 """Support for mill wifi-enabled home heaters."""
-from mill import Mill
 import voluptuous as vol
 
 from homeassistant.components.climate import ClimateEntity
@@ -12,15 +11,8 @@ from homeassistant.components.climate.const import (
     SUPPORT_FAN_MODE,
     SUPPORT_TARGET_TEMPERATURE,
 )
-from homeassistant.const import (
-    ATTR_TEMPERATURE,
-    CONF_PASSWORD,
-    CONF_USERNAME,
-    TEMP_CELSIUS,
-)
-from homeassistant.exceptions import ConfigEntryNotReady
+from homeassistant.const import ATTR_TEMPERATURE, TEMP_CELSIUS
 from homeassistant.helpers import config_validation as cv
-from homeassistant.helpers.aiohttp_client import async_get_clientsession
 
 from .const import (
     ATTR_AWAY_TEMP,
@@ -48,15 +40,8 @@ SET_ROOM_TEMP_SCHEMA = vol.Schema(
 
 async def async_setup_entry(hass, entry, async_add_entities):
     """Set up the Mill climate."""
-    mill_data_connection = Mill(
-        entry.data[CONF_USERNAME],
-        entry.data[CONF_PASSWORD],
-        websession=async_get_clientsession(hass),
-    )
-    if not await mill_data_connection.connect():
-        raise ConfigEntryNotReady
 
-    await mill_data_connection.find_all_heaters()
+    mill_data_connection = hass.data[DOMAIN]
 
     dev = []
     for heater in mill_data_connection.heaters.values():
@@ -109,8 +94,6 @@ class MillHeater(ClimateEntity):
             "heating": self._heater.is_heating,
             "controlled_by_tibber": self._heater.tibber_control,
             "heater_generation": 1 if self._heater.is_gen1 else 2,
-            "consumption_today": self._heater.day_consumption,
-            "consumption_total": self._heater.year_consumption,
         }
         if self._heater.room:
             res["room"] = self._heater.room.name

homeassistant/components/mill/const.py

@@ -4,8 +4,10 @@ ATTR_AWAY_TEMP = "away_temp"
 ATTR_COMFORT_TEMP = "comfort_temp"
 ATTR_ROOM_NAME = "room_name"
 ATTR_SLEEP_TEMP = "sleep_temp"
+CONSUMPTION_TODAY = "consumption_today"
+CONSUMPTION_YEAR = "consumption_year"
+DOMAIN = "mill"
 MANUFACTURER = "Mill"
 MAX_TEMP = 35
 MIN_TEMP = 5
-DOMAIN = "mill"
 SERVICE_SET_ROOM_TEMP = "set_room_temperature"

homeassistant/components/mill/sensor.py

@@ -0,0 +1,85 @@
+"""Support for mill wifi-enabled home heaters."""
+
+from homeassistant.components.sensor import (
+    DEVICE_CLASS_ENERGY,
+    STATE_CLASS_MEASUREMENT,
+    SensorEntity,
+)
+from homeassistant.const import ENERGY_KILO_WATT_HOUR, STATE_UNKNOWN
+from homeassistant.util import dt as dt_util
+
+from .const import CONSUMPTION_TODAY, CONSUMPTION_YEAR, DOMAIN, MANUFACTURER
+
+
+async def async_setup_entry(hass, entry, async_add_entities):
+    """Set up the Mill sensor."""
+
+    mill_data_connection = hass.data[DOMAIN]
+
+    dev = []
+    for heater in mill_data_connection.heaters.values():
+        for sensor_type in [CONSUMPTION_TODAY, CONSUMPTION_YEAR]:
+            dev.append(
+                MillHeaterEnergySensor(heater, mill_data_connection, sensor_type)
+            )
+    async_add_entities(dev)
+
+
+class MillHeaterEnergySensor(SensorEntity):
+    """Representation of a Mill Sensor device."""
+
+    def __init__(self, heater, mill_data_connection, sensor_type):
+        """Initialize the sensor."""
+        self._id = heater.device_id
+        self._conn = mill_data_connection
+        self._sensor_type = sensor_type
+
+        self._attr_device_class = DEVICE_CLASS_ENERGY
+        self._attr_name = f"{heater.name} {sensor_type.replace('_', ' ')}"
+        self._attr_unique_id = f"{heater.device_id}_{sensor_type}"
+        self._attr_unit_of_measurement = ENERGY_KILO_WATT_HOUR
+        self._attr_state_class = STATE_CLASS_MEASUREMENT
+        self._attr_device_info = {
+            "identifiers": {(DOMAIN, heater.device_id)},
+            "name": self.name,
+            "manufacturer": MANUFACTURER,
+            "model": f"generation {1 if heater.is_gen1 else 2}",
+        }
+        if self._sensor_type == CONSUMPTION_TODAY:
+            self._attr_last_reset = dt_util.as_utc(
+                dt_util.now().replace(hour=0, minute=0, second=0, microsecond=0)
+            )
+        elif self._sensor_type == CONSUMPTION_YEAR:
+            self._attr_last_reset = dt_util.as_utc(
+                dt_util.now().replace(
+                    month=1, day=1, hour=0, minute=0, second=0, microsecond=0
+                )
+            )
+
+    async def async_update(self):
+        """Retrieve latest state."""
+        heater = await self._conn.update_device(self._id)
+        self._attr_available = heater.available
+
+        if self._sensor_type == CONSUMPTION_TODAY:
+            _state = heater.day_consumption
+        elif self._sensor_type == CONSUMPTION_YEAR:
+            _state = heater.year_consumption
+        else:
+            _state = None
+        if _state is None:
+            self._attr_state = _state
+            return
+
+        if self.state not in [STATE_UNKNOWN, None] and _state < self.state:
+            if self._sensor_type == CONSUMPTION_TODAY:
+                self._attr_last_reset = dt_util.as_utc(
+                    dt_util.now().replace(hour=0, minute=0, second=0, microsecond=0)
+                )
+            elif self._sensor_type == CONSUMPTION_YEAR:
+                self._attr_last_reset = dt_util.as_utc(
+                    dt_util.now().replace(
+                        month=1, day=1, hour=0, minute=0, second=0, microsecond=0
+                    )
+                )
+        self._attr_state = _state