Add sensor to switchbot platform (#56416)

Co-authored-by: J. Nick Koston <nick@koston.org>

homeassistant/components/switchbot/sensor.py

@@ -0,0 +1,93 @@
+"""Support for SwitchBot sensors."""
+from __future__ import annotations
+
+from homeassistant.components.sensor import SensorEntity, SensorEntityDescription
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import (
+    CONF_MAC,
+    CONF_NAME,
+    DEVICE_CLASS_BATTERY,
+    DEVICE_CLASS_ILLUMINANCE,
+    DEVICE_CLASS_SIGNAL_STRENGTH,
+    PERCENTAGE,
+    SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
+)
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from .const import DATA_COORDINATOR, DOMAIN
+from .coordinator import SwitchbotDataUpdateCoordinator
+from .entity import SwitchbotEntity
+
+PARALLEL_UPDATES = 1
+
+SENSOR_TYPES: dict[str, SensorEntityDescription] = {
+    "rssi": SensorEntityDescription(
+        key="rssi",
+        native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
+        device_class=DEVICE_CLASS_SIGNAL_STRENGTH,
+        entity_registry_enabled_default=False,
+    ),
+    "battery": SensorEntityDescription(
+        key="battery",
+        native_unit_of_measurement=PERCENTAGE,
+        device_class=DEVICE_CLASS_BATTERY,
+    ),
+    "lightLevel": SensorEntityDescription(
+        key="lightLevel",
+        native_unit_of_measurement="Level",
+        device_class=DEVICE_CLASS_ILLUMINANCE,
+    ),
+}
+
+
+async def async_setup_entry(
+    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+) -> None:
+    """Set up Switchbot sensor based on a config entry."""
+    coordinator: SwitchbotDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id][
+        DATA_COORDINATOR
+    ]
+
+    if not coordinator.data[entry.unique_id].get("data"):
+        return
+
+    async_add_entities(
+        [
+            SwitchBotSensor(
+                coordinator,
+                entry.unique_id,
+                sensor,
+                entry.data[CONF_MAC],
+                entry.data[CONF_NAME],
+            )
+            for sensor in coordinator.data[entry.unique_id]["data"]
+            if sensor in SENSOR_TYPES
+        ]
+    )
+
+
+class SwitchBotSensor(SwitchbotEntity, SensorEntity):
+    """Representation of a Switchbot sensor."""
+
+    coordinator: SwitchbotDataUpdateCoordinator
+
+    def __init__(
+        self,
+        coordinator: SwitchbotDataUpdateCoordinator,
+        idx: str | None,
+        sensor: str,
+        mac: str,
+        switchbot_name: str,
+    ) -> None:
+        """Initialize the Switchbot sensor."""
+        super().__init__(coordinator, idx, mac, name=switchbot_name)
+        self._sensor = sensor
+        self._attr_unique_id = f"{idx}-{sensor}"
+        self._attr_name = f"{switchbot_name} {sensor.title()}"
+        self.entity_description = SENSOR_TYPES[sensor]
+
+    @property
+    def native_value(self) -> str:
+        """Return the state of the sensor."""
+        return self.data["data"][self._sensor]