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sternwarte-homeassistant-integration/custom_components/sternwarte/button.py

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+"""Button entities for Sternwarte."""
+
+from __future__ import annotations
+
+from homeassistant.components.button import ButtonEntity
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from .const import DOMAIN, ENTITY_SET_NAUTICAL_SCHEDULE
+from .entity import SternwarteEntity
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up Sternwarte buttons."""
+    coordinator = hass.data[DOMAIN][entry.entry_id]
+    async_add_entities([SternwarteSetNauticalScheduleButton(coordinator)])
+
+
+class SternwarteSetNauticalScheduleButton(SternwarteEntity, ButtonEntity):
+    """Button to set the next nautical dusk/dawn schedule."""
+
+    _attr_name = "Nautische Dämmerung setzen"
+    _attr_icon = "mdi:weather-night"
+
+    def __init__(self, coordinator):
+        super().__init__(coordinator, ENTITY_SET_NAUTICAL_SCHEDULE)
+
+    async def async_press(self) -> None:
+        await self.coordinator.async_set_next_nautical_schedule()