Add sensor platform to goalzero (#49835)

* Add sensor platform to goalzero

* Tweak

* Remove unused DATA_SCHEMA

* Simplify

* Remove last_reset

* Update on reload

homeassistant/components/goalzero/sensor.py

@@ -0,0 +1,59 @@
+"""Support for Goal Zero Yeti Sensors."""
+from homeassistant.components.sensor import ATTR_LAST_RESET, ATTR_STATE_CLASS
+from homeassistant.const import (
+    ATTR_DEVICE_CLASS,
+    ATTR_NAME,
+    ATTR_UNIT_OF_MEASUREMENT,
+    CONF_NAME,
+)
+
+from . import YetiEntity
+from .const import (
+    ATTR_DEFAULT_ENABLED,
+    DATA_KEY_API,
+    DATA_KEY_COORDINATOR,
+    DOMAIN,
+    SENSOR_DICT,
+)
+
+
+async def async_setup_entry(hass, entry, async_add_entities):
+    """Set up the Goal Zero Yeti sensor."""
+    name = entry.data[CONF_NAME]
+    goalzero_data = hass.data[DOMAIN][entry.entry_id]
+    sensors = [
+        YetiSensor(
+            goalzero_data[DATA_KEY_API],
+            goalzero_data[DATA_KEY_COORDINATOR],
+            name,
+            sensor_name,
+            entry.entry_id,
+        )
+        for sensor_name in SENSOR_DICT
+    ]
+    async_add_entities(sensors, True)
+
+
+class YetiSensor(YetiEntity):
+    """Representation of a Goal Zero Yeti sensor."""
+
+    def __init__(self, api, coordinator, name, sensor_name, server_unique_id):
+        """Initialize a Goal Zero Yeti sensor."""
+        super().__init__(api, coordinator, name, server_unique_id)
+
+        self._condition = sensor_name
+
+        sensor = SENSOR_DICT[sensor_name]
+        self._attr_name = f"{name} {sensor.get(ATTR_NAME)}"
+        self._attr_unique_id = f"{self._server_unique_id}/{sensor_name}"
+        self._attr_unit_of_measurement = sensor.get(ATTR_UNIT_OF_MEASUREMENT)
+        self._attr_entity_registry_enabled_default = sensor.get(ATTR_DEFAULT_ENABLED)
+        self._device_class = sensor.get(ATTR_DEVICE_CLASS)
+        self._attr_last_reset = sensor.get(ATTR_LAST_RESET)
+        self._attr_state_class = sensor.get(ATTR_STATE_CLASS)
+
+    @property
+    def state(self):
+        """Return the state."""
+        if self.api.data:
+            return self.api.data[self._condition]