transforming to integration

custom_components/boiler_aux_heater/button.py

@@ -0,0 +1,48 @@
+"""Button entity for Boiler Auxiliary Heater Control."""
+
+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 import DeviceInfo
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from .const import DOMAIN
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up button entities."""
+    coordinator = hass.data[DOMAIN][entry.entry_id]
+
+    # Only create bath boost button if circulation pump is configured
+    if coordinator.circulation_pump:
+        async_add_entities(
+            [BoilerBathBoostButton(coordinator, entry)]
+        )
+
+
+class BoilerBathBoostButton(ButtonEntity):
+    """Button to start the bath boost timer."""
+
+    _attr_has_entity_name = True
+    _attr_translation_key = "start_bath_boost"
+    _attr_icon = "mdi:bath"
+
+    def __init__(self, coordinator, entry: ConfigEntry) -> None:
+        """Initialize the button."""
+        self.coordinator = coordinator
+        self._attr_unique_id = f"{entry.entry_id}_start_bath_boost"
+        self._attr_device_info = DeviceInfo(
+            identifiers={(DOMAIN, entry.entry_id)},
+            name="Boiler Auxiliary Heater",
+            manufacturer="Custom",
+        )
+
+    async def async_press(self) -> None:
+        """Handle button press - start bath boost."""
+        await self.coordinator.async_start_bath_boost()