Add Reolink button platform (home-assistant#88687)

Co-authored-by: Franck Nijhof <frenck@frenck.nl>

.coveragerc

@@ -977,6 +977,7 @@ omit =
     homeassistant/components/remote_rpi_gpio/*
     homeassistant/components/reolink/__init__.py
     homeassistant/components/reolink/binary_sensor.py
+    homeassistant/components/reolink/button.py
     homeassistant/components/reolink/camera.py
     homeassistant/components/reolink/entity.py
     homeassistant/components/reolink/host.py

homeassistant/components/reolink/__init__.py

@@ -23,7 +23,13 @@
 
 _LOGGER = logging.getLogger(__name__)
 
-PLATFORMS = [Platform.BINARY_SENSOR, Platform.CAMERA, Platform.NUMBER, Platform.UPDATE]
+PLATFORMS = [
+    Platform.BINARY_SENSOR,
+    Platform.BUTTON,
+    Platform.CAMERA,
+    Platform.NUMBER,
+    Platform.UPDATE,
+]
 DEVICE_UPDATE_INTERVAL = timedelta(seconds=60)
 FIRMWARE_UPDATE_INTERVAL = timedelta(hours=12)
 

homeassistant/components/reolink/button.py

@@ -0,0 +1,136 @@
+"""Component providing support for Reolink button entities."""
+from __future__ import annotations
+
+from collections.abc import Callable
+from dataclasses import dataclass
+from typing import Any
+
+from reolink_aio.api import GuardEnum, Host, PtzEnum
+
+from homeassistant.components.button import ButtonEntity, ButtonEntityDescription
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import EntityCategory
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from . import ReolinkData
+from .const import DOMAIN
+from .entity import ReolinkCoordinatorEntity
+
+
+@dataclass
+class ReolinkButtonEntityDescriptionMixin:
+    """Mixin values for Reolink button entities."""
+
+    method: Callable[[Host, int], Any]
+
+
+@dataclass
+class ReolinkButtonEntityDescription(
+    ButtonEntityDescription, ReolinkButtonEntityDescriptionMixin
+):
+    """A class that describes button entities."""
+
+    supported: Callable[[Host, int], bool] = lambda api, ch: True
+
+
+BUTTON_ENTITIES = (
+    ReolinkButtonEntityDescription(
+        key="ptz_stop",
+        name="PTZ stop",
+        icon="mdi:pan",
+        supported=lambda api, ch: api.supported(ch, "pan_tilt"),
+        method=lambda api, ch: api.set_ptz_command(ch, command=PtzEnum.stop.value),
+    ),
+    ReolinkButtonEntityDescription(
+        key="ptz_left",
+        name="PTZ left",
+        icon="mdi:pan",
+        supported=lambda api, ch: api.supported(ch, "pan_tilt"),
+        method=lambda api, ch: api.set_ptz_command(ch, command=PtzEnum.left.value),
+    ),
+    ReolinkButtonEntityDescription(
+        key="ptz_right",
+        name="PTZ right",
+        icon="mdi:pan",
+        supported=lambda api, ch: api.supported(ch, "pan_tilt"),
+        method=lambda api, ch: api.set_ptz_command(ch, command=PtzEnum.right.value),
+    ),
+    ReolinkButtonEntityDescription(
+        key="ptz_up",
+        name="PTZ up",
+        icon="mdi:pan",
+        supported=lambda api, ch: api.supported(ch, "pan_tilt"),
+        method=lambda api, ch: api.set_ptz_command(ch, command=PtzEnum.up.value),
+    ),
+    ReolinkButtonEntityDescription(
+        key="ptz_down",
+        name="PTZ down",
+        icon="mdi:pan",
+        supported=lambda api, ch: api.supported(ch, "pan_tilt"),
+        method=lambda api, ch: api.set_ptz_command(ch, command=PtzEnum.down.value),
+    ),
+    ReolinkButtonEntityDescription(
+        key="ptz_calibrate",
+        name="PTZ calibrate",
+        icon="mdi:pan",
+        entity_category=EntityCategory.CONFIG,
+        supported=lambda api, ch: api.supported(ch, "ptz_callibrate"),
+        method=lambda api, ch: api.ptz_callibrate(ch),
+    ),
+    ReolinkButtonEntityDescription(
+        key="guard_go_to",
+        name="Guard go to",
+        icon="mdi:crosshairs-gps",
+        supported=lambda api, ch: api.supported(ch, "ptz_guard"),
+        method=lambda api, ch: api.set_ptz_guard(ch, command=GuardEnum.goto.value),
+    ),
+    ReolinkButtonEntityDescription(
+        key="guard_set",
+        name="Guard set current position",
+        icon="mdi:crosshairs-gps",
+        entity_category=EntityCategory.CONFIG,
+        supported=lambda api, ch: api.supported(ch, "ptz_guard"),
+        method=lambda api, ch: api.set_ptz_guard(ch, command=GuardEnum.set.value),
+    ),
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up a Reolink button entities."""
+    reolink_data: ReolinkData = hass.data[DOMAIN][config_entry.entry_id]
+
+    async_add_entities(
+        ReolinkButtonEntity(reolink_data, channel, entity_description)
+        for entity_description in BUTTON_ENTITIES
+        for channel in reolink_data.host.api.channels
+        if entity_description.supported(reolink_data.host.api, channel)
+    )
+
+
+class ReolinkButtonEntity(ReolinkCoordinatorEntity, ButtonEntity):
+    """Base button entity class for Reolink IP cameras."""
+
+    entity_description: ReolinkButtonEntityDescription
+
+    def __init__(
+        self,
+        reolink_data: ReolinkData,
+        channel: int,
+        entity_description: ReolinkButtonEntityDescription,
+    ) -> None:
+        """Initialize Reolink button entity."""
+        super().__init__(reolink_data, channel)
+        self.entity_description = entity_description
+
+        self._attr_unique_id = (
+            f"{self._host.unique_id}_{channel}_{entity_description.key}"
+        )
+
+    async def async_press(self) -> None:
+        """Execute the button action."""
+        await self.entity_description.method(self._host.api, self._channel)