Add get_config_parameters websocket command to zwave_js (#46463)

* Add get_configuration_values websocket command to zwave_js

* Tweak return value

* Review comments and cleanup returned values

* Update test

* Rename to get_config_parameters

* Add get_configuration_values websocket command to zwave_js

* Rename to get_config_parameters

* fix test

* fix tests #2

* Add readable to metadata

Co-authored-by: Raman Gupta <7243222+raman325@users.noreply.github.com>

homeassistant/components/zwave_js/api.py

@@ -31,6 +31,7 @@ def async_register_api(hass: HomeAssistant) -> None:
     websocket_api.async_register_command(hass, websocket_stop_inclusion)
     websocket_api.async_register_command(hass, websocket_remove_node)
     websocket_api.async_register_command(hass, websocket_stop_exclusion)
+    websocket_api.async_register_command(hass, websocket_get_config_parameters)
     hass.http.register_view(DumpView)  # type: ignore
 
 
@@ -263,6 +264,48 @@ async def websocket_remove_node(
     )
 
 
+@websocket_api.require_admin
+@websocket_api.websocket_command(
+    {
+        vol.Required(TYPE): "zwave_js/get_config_parameters",
+        vol.Required(ENTRY_ID): str,
+        vol.Required(NODE_ID): int,
+    }
+)
+@callback
+def websocket_get_config_parameters(
+    hass: HomeAssistant, connection: ActiveConnection, msg: dict
+) -> None:
+    """Get a list of configuration parameterss for a Z-Wave node."""
+    entry_id = msg[ENTRY_ID]
+    node_id = msg[NODE_ID]
+    client = hass.data[DOMAIN][entry_id][DATA_CLIENT]
+    node = client.driver.controller.nodes[node_id]
+    values = node.get_configuration_values()
+    result = {}
+    for value_id, zwave_value in values.items():
+        metadata = zwave_value.metadata
+        result[value_id] = {
+            "property": zwave_value.property_,
+            "configuration_value_type": zwave_value.configuration_value_type.value,
+            "metadata": {
+                "description": metadata.description,
+                "label": metadata.label,
+                "type": metadata.type,
+                "min": metadata.min,
+                "max": metadata.max,
+                "unit": metadata.unit,
+                "writeable": metadata.writeable,
+                "readable": metadata.readable,
+            },
+            "value": zwave_value.value,
+        }
+    connection.send_result(
+        msg[ID],
+        result,
+    )
+
+
 class DumpView(HomeAssistantView):
     """View to dump the state of the Z-Wave JS server."""
 

tests/components/zwave_js/test_api.py

@@ -41,6 +41,24 @@ async def test_websocket_api(hass, integration, multisensor_6, hass_ws_client):
     assert not result["is_secure"]
     assert result["status"] == 1
 
+    # Test getting configuration parameter values
+    await ws_client.send_json(
+        {
+            ID: 4,
+            TYPE: "zwave_js/get_config_parameters",
+            ENTRY_ID: entry.entry_id,
+            NODE_ID: node.node_id,
+        }
+    )
+    msg = await ws_client.receive_json()
+    result = msg["result"]
+
+    assert len(result) == 61
+    key = "52-112-0-2-00-00"
+    assert result[key]["property"] == 2
+    assert result[key]["metadata"]["type"] == "number"
+    assert result[key]["configuration_value_type"] == "enumerated"
+
 
 async def test_add_node(
     hass, integration, client, hass_ws_client, nortek_thermostat_added_event