Add devolo blinds devices (#36597)

* add support for devolo blinds

* correct internal sync function

* correct naming

* fix R1719 in line 73:15

* remove 'break point' print

* simplified _sync check

* change comment

* change log msg

.coveragerc

@@ -170,6 +170,7 @@ omit =
     homeassistant/components/devolo_home_control/__init__.py
     homeassistant/components/devolo_home_control/binary_sensor.py
     homeassistant/components/devolo_home_control/const.py
+    homeassistant/components/devolo_home_control/cover.py
     homeassistant/components/devolo_home_control/devolo_device.py
     homeassistant/components/devolo_home_control/devolo_multi_level_switch.py
     homeassistant/components/devolo_home_control/light.py

homeassistant/components/devolo_home_control/const.py

@@ -3,6 +3,6 @@
 DOMAIN = "devolo_home_control"
 DEFAULT_MYDEVOLO = "https://www.mydevolo.com"
 DEFAULT_MPRM = "https://homecontrol.mydevolo.com"
-PLATFORMS = ["binary_sensor", "light", "sensor", "switch"]
+PLATFORMS = ["binary_sensor", "cover", "light", "sensor", "switch"]
 CONF_MYDEVOLO = "mydevolo_url"
 CONF_HOMECONTROL = "home_control_url"

homeassistant/components/devolo_home_control/cover.py

@@ -0,0 +1,99 @@
+"""Platform for cover integration."""
+import logging
+
+from homeassistant.components.cover import (
+    DEVICE_CLASS_BLIND,
+    SUPPORT_CLOSE,
+    SUPPORT_OPEN,
+    SUPPORT_SET_POSITION,
+    CoverEntity,
+)
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.helpers.typing import HomeAssistantType
+
+from .const import DOMAIN
+from .devolo_device import DevoloDeviceEntity
+
+_LOGGER = logging.getLogger(__name__)
+
+
+async def async_setup_entry(
+    hass: HomeAssistantType, entry: ConfigEntry, async_add_entities
+) -> None:
+    """Get all cover devices and setup them via config entry."""
+    entities = []
+
+    for device in hass.data[DOMAIN]["homecontrol"].multi_level_switch_devices:
+        for multi_level_switch in device.multi_level_switch_property:
+            if multi_level_switch.startswith("devolo.Blinds"):
+                entities.append(
+                    DevoloCoverDeviceEntity(
+                        homecontrol=hass.data[DOMAIN]["homecontrol"],
+                        device_instance=device,
+                        element_uid=multi_level_switch,
+                    )
+                )
+
+    async_add_entities(entities, False)
+
+
+class DevoloCoverDeviceEntity(DevoloDeviceEntity, CoverEntity):
+    """Representation of a cover device within devolo Home Control."""
+
+    def __init__(self, homecontrol, device_instance, element_uid):
+        """Initialize a devolo blinds device."""
+        super().__init__(
+            homecontrol=homecontrol,
+            device_instance=device_instance,
+            element_uid=element_uid,
+            name=device_instance.itemName,
+            sync=self._sync,
+        )
+
+        self._multi_level_switch_property = device_instance.multi_level_switch_property.get(
+            element_uid
+        )
+
+        self._position = self._multi_level_switch_property.value
+
+    @property
+    def current_cover_position(self):
+        """Return the current position. 0 is closed. 100 is open."""
+        return self._position
+
+    @property
+    def device_class(self):
+        """Return the class of the device."""
+        return DEVICE_CLASS_BLIND
+
+    @property
+    def is_closed(self):
+        """Return if the blind is closed or not."""
+        return not bool(self._position)
+
+    @property
+    def supported_features(self):
+        """Flag supported features."""
+        return SUPPORT_OPEN | SUPPORT_CLOSE | SUPPORT_SET_POSITION
+
+    def open_cover(self, **kwargs):
+        """Open the blind."""
+        self._multi_level_switch_property.set(100)
+
+    def close_cover(self, **kwargs):
+        """Close the blind."""
+        self._multi_level_switch_property.set(0)
+
+    def set_cover_position(self, **kwargs):
+        """Set the blind to the given position."""
+        self._multi_level_switch_property.set(kwargs["position"])
+
+    def _sync(self, message=None):
+        """Update the binary sensor state."""
+        if message[0] == self._unique_id:
+            self._position = message[1]
+        elif message[0].startswith("hdm"):
+            self._available = self._device_instance.is_online()
+        else:
+            _LOGGER.debug("Not valid message received: %s", message)
+        self.schedule_update_ha_state()

homeassistant/components/devolo_home_control/switch.py

@@ -19,7 +19,8 @@ async def async_setup_entry(
     entities = []
     for device in devices:
         for binary_switch in device.binary_switch_property:
-            # Exclude the binary switch which have also a multi_level_switches here, because they are implemented as light devices now.
+            # Exclude the binary switch which also has multi_level_switches here,
+            # because those are implemented as light entities now.
             if not hasattr(device, "multi_level_switch_property"):
                 entities.append(
                     DevoloSwitch(